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Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v...
127
Transcript of Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v...
![Page 1: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/1.jpg)
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Learning C# by Developing Games
with Unity 3D Beginner's Guide
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Learning C# by Developing Games
with Unity 3D Beginner's Guide* + , - . / 0 1 2 3 4 5 6 7 8 9 : ; 2 8 < = > / ? 1 / @ 0' > > . / 0 1 2 ? . A ? A . B A C D $ + , 9 . 2 + E 2 1 / ? = + + ; F 9 - = A . A , . + C < : A C G ? 2 + . A C / @ 9 . A 2 . / A B 9 > ? - ? 2 A F G/ @ C / . A : 2 > - = - 2 1 / ? = + + ; DH / . ? 2 , < = > / ? 1 A C I J A , 2 A F = A . 4 5 6 78 < = > / ? 1 A C = - 8 9 : ; 2 8 < = > / ? 1 / @ 0 K 2 C DK / B A . - 8 > 9 : A7 L K / B A . - J 2 . A A 2 / . F / @ 0 1 9 F 7 4 8 G ) M D Dwww.packtpub.com
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About the Author� � � � � � � � � � �A > A : 2 . + @ / : : + < @ 2 A . ( F A 9 ? < . A ? D ) , + @ C / ? : 1 9 . 0 A G 1 A A 9 . @ A C 1 / ? � > A : 2 . / : 9 > � @ 0 / @ A A . / @ 0 C A 0 . A A GA � < / , F A @ 2 E + . 2 1 A ) J $ 9 B - D� 1 A @ , A . ? + @ 9 > : + F , < 2 A . ? : 9 F A + @ 2 1 A ? : A @ A G 1 A 2 + + ; 9 @ / @ 2 A . A ? 2 / @ = < / > C / @ 0 : + F , < 2 A . ? G = < 29 : + < , > A - A 9 . ? D� � � � � � � � � � � � � � � � � � �F 9 C A 9 B 9 / > 9 = > A � < ? 2 = A E + . A ) @ / 2 A 4 5 6 6 D� � � � � � � � � � � � � � � � � � �9 = + < 2 > A 9 . @ / @ 0 * � E + . ) @ / 2 - D & A � < F , A C + @ / 2 D
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About the Reviewers� ¡ � ¢ � � £% 9 @ C 1 / ) @ / B A . ? / 2 - 9 @ C 1 9 ? , 9 ? ? A C 1 / ? 1 / 0 1 A . ? A : + @ C 9 . - E . + F 2 1 A * J � + 9 . C D ¤ < . / @ 0 1 / ?, 9 ? 2 - A 9 . D
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ª « ¬ ® ¯ ° ± ² « ³ ¬ ´ µ ¶ ® « ® · µ ¸ µ ¹ ® º ± ® ¯ µ µ ¯ ² ¬ ® » ¼
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Ñ ´ µ Í º ¯ É ¬ µ Ê µ ¬ ´ ® ¯ ² Ï ± É ¹ ¹ µ ¯ ® ¸ µ É « ¯ ® ¸ µ É « ¯ ® ¸ µ Ò ¼ ¼
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Ó ± ± µ Ï Ï ² « ³ ® ¬ ´ µ Ô É Ê µ Õ Ë Ö µ ± ¬ Ï É « ¯ ¬ ´ µ ² × ® Ê º ® « µ « ¬ Ï » Ø »
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× ´ É « ³ ² « ³ ¬ ´ µ Ù ± µ « µ Ï » ¼ ¼
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Ú ® ® Û ² « ³ É ¬ µ ¸ µ « Ê ® µ × Ü Ý µ É ¬ ° µ Ï Ì Ì ÐÍ Ï ² « ³ ¬ ´ µ Ù ¬ É ¬ µ ¶ É ± ´ ² « µ É ¬ ¬ ´ µ Ô É Ê µ Õ Ë Ö µ ± ¬ ¹ µ ¸ µ ¹ Ì Ì ¼
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# cp /usr/src/asterisk-addons/configs/cdr_mysql.conf.sample
/etc/asterisk/cdr_mysql.conf
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Discovering Your Hidden
Scripting Skills
1
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E A A > ? > / ; A 0 / = = A . / ? 1 D
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2 1 / @ 0 ? - + <Teaching behaviors to GameObjects
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[ 13 ]
What just happened?� 1 A , 9 0 A / @ 2 1 A
![Page 31: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/31.jpg)
[ 14 ]
! @ 2 1 A F A @ < @ 9 B / 0 9 2 A 2 + ) � � � � � * + � � � � � *# .! @ 2 1 A , � � - � � � 2 9 = @ 9 B / 0 9 2 A 2 + + � � � � � *# .! @ 2 1 A , � � - � � � 2 9 = . / 0 1 2 ( : > / : ; G E . + F 2 1 A , + , ( < , F A @ < @ 9 B / 0 9 2 A 2 + + � � � � � *' ? + < . ) @ / 2 -ó ô
State MachineDõ ô " / 0 1 2 ( : > / : ; + @ / @ 2 1 A , � � - � � � 2 9 = 9 @ C : . A 9 2 A 9 E + > C A . @ 9 F A CCode
Dö ô " / 0 1 2 ( : > / : ; + @ 2 1 ACode
E + > C A . 9 @ C 9 : . A 9 2 A 9 E + > C A . @ 9 F A CScripts
D. ô ! @ 2 1 AScripts
E + > C A . G : . A 9 2 A 9C# Script
D/ ô ! F F A C / 9 2 A > - . A @ 9 F ANewBehaviourScript
2 +LearningScript
DWhat just happened?� A : . A 9 2 A C + @ A + E 2 1 A
Code? < = E + > C A . ? G @ 9 F A C
Scripts
LearningScript.csD
![Page 32: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/32.jpg)
Ä � ¾ � Æ Á ä �
[ 15 ]
Introducing the MonoDevelop code editor) @ / 2 - < ? A ? 9 @ A ì 2 A . @ 9 > A C / 2 + . 2 + A C / 2 / 2 ? * � ? : . / , 2 ? D � B A @ 2 1 + < 0 1 ) @ / 2 - : 9 @ : . A 9 2 A 9 = 9 ? / :< ? / @ 0 2 1 A : + C A A C / 2 + .J / @ : A ) @ / 2 - 9 @ CLearningScript
/ @ 2 1 AScripts
E + > C A . Dó ôLearningScript
I
What just happened?LearningScript
+ , A @ G . A 9 C - 2 + A C / 2 D
![Page 33: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/33.jpg)
[ 16 ]
in Unity
public class LearningScript : MonoBehaviour� 1 A : > 9 ? ? @ 9 F ALearningScript LearningScript.cs
D � 1 / ?, � � - � � � 2 9 = G / ? / @ � C / 2 F + C A G. A 9 C - 2 + = A . A @ 9 F A C D 8 > A 9 ? A . A @ 9 F A / 2 . / 0 1 2 2 1 A @ 9 @ C 2 1 A . A D ! E - + < . A @ 9 F A 2 1 A ? : . / , 2 > 9 2 A . G= A 2 1 / ? Ipublic class NewBehaviourScript : MonoBehaviour
NewBehaviourScript
, � � - � � � D
![Page 34: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/34.jpg)
Ä � ¾ � Æ Á ä �
[ 17 ]
Summary
![Page 35: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/35.jpg)
![Page 36: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/36.jpg)
Introducing the Building Blocks
) ? / @ 0 B 9 . / 9 = > A ? / @ 9 ? : . / , 2) ? / @ 0 F A 2 1 + C ? / @ 9 ? : . / , 2� < . @ / @ 0 9 ? : . / , 2 / @ 2 + 9 * + F , + @ A @ 2
2
![Page 37: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/37.jpg)
0 Å Æ ä Â 1 2 å 3 Å 4 Æ � Á 5 2 3 À 1 3 Å 4 5 À Â å 6 Ç Ã Â ä 7 Å 3 Æ 8 9 å ä 3 � Æ Ç
[ 20 ]
9 @ C- + < > A 9 . @ ) @ / 2 - D � ý ü þ ý ü : ü ý � � � � � � � � � ÿ ú � � � ý ü þ J / @ : A - + < 9 . A ? 2 < C - / @ 0 * � G 9 @ C * � / ? 9 @ N > 9 @ 0 < 9 0 A G! 2 F 9 ; A ? ? A @ ? A 2 + > A 9 . @ 2 1 A : + . . A : 2 2 A . F / @ + > + 0 - E + . * � D ' > ? + G ) @ / 2 - J : . / , 2 9 @ C + + 9 . A # # 8> 9 @ 0 < 9 0 A ? D � 1 A 9 < 2 1 + . ? + E 2 1 AUnderstanding what a variable does in a script
![Page 38: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/38.jpg)
Ä � ¾ � Æ Á ä ;
[ 21 ]
9 ? , / C A . GF 9 / > = + ì 9 B 9 . / 9 = > A / @ ? 2 A 9 C DNaming a variable) ? / @ 0 2 1 A , / : 2 < . A + E 2 1 A
myNumber
myNumberF 9 / > = + ì 9 @ 9 > + 0 - GmyNumber myNumber� 1 A
myNumberB 9 . / 9 = > A / ? @ + 2 1 / @ 0 F + . A 2 1 9 @ 9 @ 9 F A C , > 9 : A 1 + > C A . 2 + ? 2 + . A ? + F A C 9 2 9
myNumber
![Page 39: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/39.jpg)
0 Å Æ ä Â 1 2 å 3 Å 4 Æ � Á 5 2 3 À 1 3 Å 4 5 À Â å 6 Ç Ã Â ä 7 Å 3 Æ 8 9 å ä 3 � Æ Ç
[ 22 ]
@ A ì 2 ? : . A A @ ? 1 + 2 Dó ô ! @ 2 1 A ) @ / 2 - , � � - � � � , 9 @ A > G C + < = > A ( : > / : ; + @LearningScript
Dõ ôö ô
! � � < " � �? / @ : A 2 1 / ? ? : . / , 2ó ô ¤ . 9 0LearningScript
+ @ 2 + 2 1 A Dõ ô J A > A : 2 ? + 2 1 9 2 / 2 9 , , A 9 . ? / @ 2 1 A � � � � � � � � � , 9 @ A > Dö ôLearningScript. ô # , A @ 2 1 A ) @ / 2 -/ ô * > / : ; + @ D
![Page 40: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/40.jpg)
Ä � ¾ � Æ Á ä ;
[ 23 ]
What just happened?
myNumberB 9 . / 9 = > A I
J / @ : AmyNumberó ô J 2 + , 2 1 A 0 9 F A 9 @ C : 1 9 @ 0 A 2 + Dõ ô D
![Page 41: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/41.jpg)
0 Å Æ ä Â 1 2 å 3 Å 4 Æ � Á 5 2 3 À 1 3 Å 4 5 À Â å 6 Ç Ã Â ä 7 Å 3 Æ 8 9 å ä 3 � Æ Ç
[ 24 ]
What just happened?/ 2 2 1 9 @ 2 1 9 2 DmyNumber
G + . 2 1 A 2 - , A ? + EÞ ß à � � á � é G D! @ 2 1 A � � � � � � � � � , 9 @ A > G 2 . - : 1 9 @ 0 / @ 0 2 1 A B 9 > < A + EmyNumber
2 + ? + F A + 2 1 A . B 9 > < A G A B A @ 9DUsing a method in a script
What is a method?J + - + < ? 9 - G@ < F = A . ? + @ : A G 9 @ C 2 1 A @ 0 / B A 2 1 / ? : 1 < @ ; + E : + C A 9 @ 9 F A G ? < : 1 9 ?AddTwoNumbers()
D+ B A . G � < ? 2 : 9 > > 2 1 AAddTwoNumbers()
F A 2 1 + C DA C / 2LearningScriptÞ ß à � � á � ê G D " / 0 1 2ó ô ! @ # + @ + ¤ A B A > + , G ? A > A : 2
LearningScriptõ ô
![Page 42: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/42.jpg)
Ä � ¾ � Æ Á ä ;
[ 25 ]
ö ô
- + < > A 9 . @ A C2 1 A @ < F = A . ? 2 1 9 2 9 . A 0 + / @ 0 2 + = A 9 C C A C D = � � á � ; A - / ?, . A ? ? A C D 8 . A ? ? 2 1 A = � � á �AddTwoNumbers()K / @ A ? 4 5 G 4 6 G 4 4 G 9 @ C 4 7 F 9 ; A < , 2 1 A
AddTwoNumbers()
Method names are substitutes too� 9 ; A 9 > + + ; 9 2 > / @ A 4 5 E . + F 2 1 A , . A B / + < ? ? : . A A @ ? 1 + 2 Ivoid AddTwoNumbers ()
![Page 43: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/43.jpg)
0 Å Æ ä Â 1 2 å 3 Å 4 Æ � Á 5 2 3 À 1 3 Å 4 5 À Â å 6 Ç Ã Â ä 7 Å 3 Æ 8 9 å ä 3 � Æ Ç
[ 26 ]
� 1 AAddTwoNumbers()
/ ? 2 1 A @ 9 F A + E 2 1 A F A 2 1 + C D K / ; A 9 B 9 . / 9 = > A GAddTwoNumbers()
/ ?AddTwoNumbers()+ < . ? : . / , 2 D
AddTwoNumbers();� 1 A F A 2 1 + C @ 9 F AAddTwoNumbers(): < . > - ( = . 9 : A ? / ? A ì A : < 2 A C D
# E : + < . ? A G 2 1 / ?AddTwoNumbers()
F A 2 1 + C + @ > - 1 9 ? + @ A > / @ A + E : + C A 2 + A ì A : < 2 A G = < 2 9F A 2 1 + C : + < > C 1 9 B A F 9 @ - > / @ A ? + E : + C A D D � 1 A @ G6 D % + = 9 : ; 2 + ) @ / 2 - 9 @ C 1 9 B A 2 1 A4 D DWhat just happened?# 1 @ + ¥ $ + 2 1 / @ 0 1 9 , , A @ A C ¥' : 2 < 9 > > - G 9 ? - + < ? / 2 2 1 A . A > + + ; / @ 0 9 2 2 1 A = > 9 @ ; , 9 @ A > G 2 1 A ? : . / , 2 / ? . < @ @ / @ 0 , A . E A : 2 > - G= � � á �
![Page 44: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/44.jpg)
Ä � ¾ � Æ Á ä ;
[ 27 ]
= � � á � ; A -AddTwoNumbers()4 7 G 2 + 9 C C 2 1 A 2 1 A B 9 > < A ? ? 2 + . A C / @ 2 1 A B 9 . / 9 = > A ?
number19 @ C
number2D� 1 / > A ) @ / 2 - / ? / @ 2 1 A F + C A G ? A > A : 2 2 1 A� � � � � � � � � D ! @ 2 1 A � � � � � � � � � , 9 @ A > G > + : 9 2 AB 9 > < A ? G : < . . A @ 2 > - 9 @ C, 9 @ A > ? + / 2 1 9 ? E + : < ? G 2 1 A @ , . A ? ? 2 1 A = � � á �D, A . E + . F 9 2 9 ? ; D Þ ß à � � á � ê GD
Introducing the class� 1 A , > 9 -= 9 ? / : , . + 0 . 9 F F / @ 0 ? ; / > > ? 9 @ C 2 A > > - + < 2 1 9 2 9 ? : . / , 2 / ? . A 9 > > - 9 : > 9 ? ? D
LearningScript > � � ü � ú ý ü � � ú � � � � � � ? ú û ý ú � � � ÿ ú ü � ú � � � � � � �
![Page 45: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/45.jpg)
0 Å Æ ä Â 1 2 å 3 Å 4 Æ � Á 5 2 3 À 1 3 Å 4 5 À Â å 6 Ç Ã Â ä 7 Å 3 Æ 8 9 å ä 3 � Æ Ç
[ 28 ]
! @ Þ ß à � � á � î G
a Component' % 9 F A ( * . A 9 2 + . 1 9 2
� � � � � � � � � , 9 @ A > DA more technical look at the magicE + > C A . + @ + < . 1 9 . C C . / B A D � A : 9 @ ? A A / 2 . / 0 1 2 2 1 A . A / @ 2 1 A , � � - � � � �+ < . ? : . / , 2 2 + = A 9 * + F , + @ A @ 2 + E 2 1 A % 9 F A # = � A : 2 D
![Page 46: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/46.jpg)
Ä � ¾ � Æ Á ä ;
[ 29 ]
Even more Unity magic
MonoBehaviourD
LearningScript
public class LearningScript : MonoBehaviour
LearningScript= A 1 9 B / + . ? E . + F 2 1 AMonoBehaviour
: > 9 ? ? D � 1 / ? ? / F , > - F A 9 @ ? 2 1 9 2 2 1 A # + @ + A 1 9 B / + < .@ + : + / @ : / C A @ : A 2 1 9 2 2 1 A B 9 . / 9 = > A ? 9 @ C F A 2 1 + C ? / @ 1 A . / 2 A C > + + ; � < ? 2 > / ; A ? + F A + E 2 1 A : + C ADLearningScript
Ivoid Start ()
void Update ()
� . - 9 ? A 9 . : 1 + @ 2 1 A E + . 9 @ C' > ? + ? A 9 . : 1 E + .MonoBehaviour
MonoBehaviour Start()9 @ C
Update()F A 2 1 + C ? D
Components communicating using the Dot Syntax9 @ C 2 1 A% 9 F A # = � A : 2 ? 2 + = A 9 = > A 2 + < ? A 2 1 A B 9 . / 9 = > A ? 9 @ C F A 2 1 + C ? / @ + 2 1 A . * + F , + @ A @ 2 ? D
![Page 47: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/47.jpg)
0 Å Æ ä Â 1 2 å 3 Å 4 Æ � Á 5 2 3 À 1 3 Å 4 5 À Â å 6 Ç Ã Â ä 7 Å 3 Æ 8 9 å ä 3 � Æ Ç
[ 30 ]
What's with the dots?
transform.position.x
Þ ß à � � á � í G � � � � @ A � � � � � � à B � � �
Summary� 1 / ? : 1 9 , 2 A . / @ 2 . + C < : A C - + < 2 + 2 1 A = 9 ? / : : + @ : A , 2 ? + E B 9 . / 9 = > A ? G F A 2 1 + C ? G 9 @ C ¤ + 2 J - @ 2 9 ì D9 * + F , + @ A @ 2 D � 1 A ¤ + 2 J - @ 2 9 ì / ? � < ? 2 > / ; A 9 @ 9 C C . A ? ? 2 + > + : 9 2 A % 9 F A # = � A : 2 ? 9 @ C * + F , + @ A @ 2 ? D
![Page 48: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/48.jpg)
) ? / @ 0 , < = > / : B 9 . / 9 = > A ? E + . 2 1 A ) @ / 2 - ! @ ? , A : 2 + . , 9 @ A >$ 9 F / @ 0 9 B 9 . / 9 = > A , . + , A . > -
3
![Page 49: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/49.jpg)
[ 32 ]
Writing C# statements properly? A @ 2 A @ : A D � 1 A @A @ C 2 1 A ? 2 9 2 A F A @ 2 D� � C � � D � ü � ú � public int number1 = 2;� 1 A ? 2 9 2 A F A @ 2 : 9 @ = A + @ ? A B A . 9 > > / @ A ? D � 1 / 2 A ? , 9 : A 9 @ C : 9 . . / 9 0 A . A 2 < . @ ? 9 . A / 0 @ + . A C G ? + / Epublic
int
number1
=
2;? A F / ( : + > + @ 9 2 2 1 A A @ C DUnderstanding Component properties in Unity's
Inspector% 9 F A # = � A : 2 ? 1 9 B A ? + F A? A > A : 2 9 @ C > + + ; 9 2 2 1 A � � � � � � � � � , 9 @ A > D # @ A + E 2 1 A * + F , + @ A @ 2 ? / ? 2 1 A D
![Page 50: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/50.jpg)
Ä � ¾ � Æ Á ä E
[ 33 ]
' @ - * + F , + @ A @ 2 + E � � � � � � � � � 9 . A � < ? 2 B 9 . / 9 = > A ? + EUnity changes script and variable names slightly � � � � � � � � �, 9 @ A > 9 ? 9
LearningScript2 +� � � � � � � � � , 9 @ A > 9 ?
number1G 9 @ Cnumber2
9 ?� 1 A ? A C / ? , > 9 - A C : 1 9 @ 0 A ? / F , . + B A . A 9 C 9 = / > / 2 - / @ � � � � � � � � � DChanging a property's value in the Inspector panel� 1 A . A 9 . A ¤ < . / @ 0 2 1 A F + C A F + C A N� 1 A @ - + < 9 . A / @ 2 1 Aù � ü � � � ú û � ý ü � �� � � ÿ � � � � � D� � ú ü þ � ÿ � � � � ú � � � � � � � û � � � û � � ? ú � � � ÿ ý ü � � F G H I J K L M N � ú ü � � � �F G H I J K L M N � ú ü � � � ? � û û ý � � ú ü � ? ú � � � ÿ � � � ú � ú ÿ ÿ ý þ ü � � ý ü � � � û ÿ û ý � �
![Page 51: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/51.jpg)
[ 34 ]
� � � � � � � � � , 9 @ A > G - + < : 9 @ . A ? A 2 2 1 A B 9 > < A ?2 1 A * + F , + @ A @ 2 ? : . / , 2 G 9 @ C 2 1 A @ ? A > A : 2 $ � � � �
Displaying public variables in the Inspector panel
publicF A 9 @ ? 9 2 2 1 A = A 0 / @ @ / @ 0 + E9 B 9 . / 9 = > A ? 2 9 2 A F A @ 2 I
public int number1 = 2;! 2 F A 9 @ ? 2 1 9 2 2 1 A� � � � � � � � � , 9 @ A > ? + 2 1 9 2 - + < : 9 @ F 9 @ / , < > 9 2 A 2 1 A B 9 > < A ? 2 + . A C / @ 2 1 A B 9 . / 9 = > A D ! 2 9 > ? + F A 9 @ ?J - @ 2 9 ì / @ Þ ß à � � á � í G D$ + 2 9 > > B 9 . / 9 = > A ? @ A A C 2 + = Apublic2 1 A � � � � � � � � �� � � � � � � � � LearningScriptó ô
private int number1 = 2;
![Page 52: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/52.jpg)
Ä � ¾ � Æ Á ä E
[ 35 ]
õ ôint number2 = 9;ö ô. ô ! @ ) @ / 2 - G ? A > A : 2 D
What just happened?� � � � � � � � � 9 @ C9 . A 0 + @ A Dprivate int number1 = 2;� 1 A , . A : A C / @ 0 > / @ A A ì , > / : / 2 > - ? 2 9 2 A ? 2 1 9 2 2 1 A
number1B 9 . / 9 = > A / ? 2 + = A
privateG2 1 A . A E + . A 2 1 A B 9 . / 9 = > A / ? @ + > + @ 0 A . 9 , . + , A . 2 - / @ 2 1 A � � � � � � � � �, . / B 9 2 A B 9 . / 9 = > A 2 + ? 2 + . A C 9 2 9 D
int number2 = 9;� 1 Anumber2? , A : / E - / 2 9 ?
privateD
public+ .
privateG = - C A E 9 < > 2 G
privateD� �
public� ûprivate
F 9 @ / , < > 9 2 A 2 1 A B 9 > < A ? F 9 @ < 9 > > - / @ 2 1 A � � � � � � � � � , 9 @ A > 9 @ - F + . A DNaming your variables properly
public bool theBearMakesBigPottyInTheWoods = true;
theBearMakesBigPottyInTheWoodsG ! 1 9 C
public bool potty = true;
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potty
potty
Begin variable names with lowercase
Transform/ ? 9 : > 9 ? ? G 9 @ C
transform/ ? 9 B 9 . / 9 = > A D
Using multi-word variable names
public bool theBearMakesBigPottyInTheWoods = true;Dpublic
� � � � � � � � �LearningScript� � � � � � � � � , 9 @ A > D
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Declaring a variable and its type� B A . - B 9 . / 9 = > A� A 1 9 B A 2 + ? , A : / E - 2 1 A 2 - , A + E C 9 2 9 9 B 9 . / 9 = > A : 9 @ ? 2 + . A� A 1 9 B A 2 + , . + B / C A 9 @ 9 F A E + . 2 1 A B 9 . / 9 = > A
typeOfData nameOfTheVariable;
LearningScript
int number1; / ? 2 1 A 2 - , A + E C 9 2 9 2 1 9 2number1
intG F A 9 @ / @ 0 9 @ / @ 2 A 0 A .
number1/ ? 2 1 A ? A F / ( : + > + @ 9 2 2 1 A A @ C� 1 A ? A : + @ C . A � < / . A F A @ 2 + E @ 9 F / @ 0 9 B 9 . / 9 = > A 1 9 ? 9 > . A 9 C - = A A @ C / ? : < ? ? A C D � 1 A 2 1 / . C/ ? : + @ : A . @ A C Ipublic private
= - C A E 9 < > 2� � � � � � � � � , 9 @ A > G + . = A 9 : : A ? ? / = > A E . + F + 2 1 A . ? : . / , 2 ?� 1 A B 9 > < A ? 2 + . A C / @number1
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The most common built-in variable types2 1 9 2 B 9 . / 9 = > A ? : 9 @ ? 2 + . A DO < ? 2 2 1 A ? A = 9 ? / : 2 - , A ? 9 . A , . A ? A @ 2 A C 1 A . A ? + 2 1 9 2 - + < < @ C A . ? 2 9 @ C 2 1 A : + @ : A , 2 + E 9 B 9 . / 9 = > A= A / @ 0 9 = > A 2 + ? 2 + . A + @ > - 2 1 A 2 - , A + E 2 1 A C 9 2 9 - + < ? , A : / E - D � 1 A : < ? 2 + F 2 - , A ? + E C 9 2 9 2 1 9 2 - + <Þ ß à � � á � î GP à Q á / @ 2 1 A C / ? : < ? ? / + @ + E ¤ + 2 J - @ 2 9 ì DType Contents of the variable
int
float
string
bool
A simple integer, such as the number 3
A number with a decimal, such as the number 3.14
Characters in double quotes, such as, “Watch me go now”
A boolean, either ortrue false� � û �� û � � � � � � � � � ý ü þ � � � � � � � û � � ý � � R ý ü � � � � ÿ ý � � � � ? � û ü � � � � � � ÿ � � � � / @LearningScript' C C ? + F A F + . A B 9 . / 9 = > A ? 2 +
LearningScript� � � � � � � � � , 9 @ A > D � 1 A ? A 9 . A 9 > >public9 , , A 9 . / @ 2 1 A � � � � � � � � � , 9 @ A > I
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What just happened? � � � � � � � � � , 9 @ A > I� 1 A B 9 . / 9 = > A ? 9 . A C / ? , > 9 - A C / @ 2 1 A � � � � � � � � �Where you declare a variable is importantC A : > 9 . / @ 0 9 @ C < ? / @ 0 B 9 . / 9 = > A ? / @ F 9 @ - , > 9 : A ? / @ 9 ? : . / , 2 D � 1 A B 9 . / 9 = > A ? 2 1 9 2 ! 1 9 B AD � 1 A - 9 . A F A F = A . ? + E 2 1 A
LearningScript� � � � � � � � � , 9 @ A > + . = A / @ 0 9 : : A ? ? A C = - + 2 1 A . ? : . / , 2 ? D: 9 @ > A 9 C 2 +9 @ - F A 2 1 + C ? 9 . A C A : > 9 . A C ? + 2 1 9 2 ! ? A A 2 1 A F 9 > > / @ + @ A , > 9 : A D # 2 1 A . , A + , > A > / ; A 2 + C A : > 9 . A
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C � � ú û ý ü þ � � � û � � � � � û ? ú û ý ú � � � ÿ ú � � � � � þ ý ü ü ý ü þ � ú � ú ÿ ÿ � ú �þ ý ? � � � � ú � � ü � ú � � � � � ú � � � ÿ � � � � � � û ? ú û ý ú � � � ÿ ú ü � � � ÿ � �� � � � � � � � � , 9 @ A > G @ + . : 9 @ 2 1 A - = A 9 : : A ? ? A C = - + 2 1 A .? : . / , 2 ? D � 1 / ? = . / @ 0 ? < ? 2 + 9 @ + 2 1 A . , . + 0 . 9 F F / @ 0 : + @ : A , 2 : 9 > > A C D
> / ; A 2 1 AAddTwoNumbers()
F A 2 1 + C / @ Þ ß à � � á � S G� � � � � � � D: > + ? / @ 0
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T � � � � � � � ÿ ú û � � ÿ � ú � � � � ú û � � � � � û � ý ü þ ÿ ÿ � ú ÿ ý ÿ � ú � � � � ü � ÿ � � � � � ý ü þ ÿ � ú � � � � ü � ÿ � ú ü � � � � � � ÿ � ý ÿ � � ú � � � � ý ÿ U � ÿ � � �ú ü � ý ÿ � ÿ � ú � � � string block3 = "Block 3 text";� 1 A , . A : A C / @ 0 > / @ A C A : > 9 . A ? 9 > + : 9 >
stringB 9 . / 9 = > A @ 9 F A C
block3D � 1 / ? B 9 . / 9 = > A A ì / ? 2 ? / @2 1 A : + C A = > + : ; 2 1 9 2 / ? > 9 = A > A C D ! E - + < 2 . - 2 + < ? A 2 1 A B 9 . / 9 = > A
block3+ < 2 ? / C A + EG ? < : 1 9 ? / @ + .? 9 - / @ 0 2 1 9 2 B 9 . / 9 = > A
block3� 1 A ? : + , A + E 2 1 A B 9 . / 9 = > Ablock3
block1B 9 . / 9 = > A I
string block1 = "Block 1 text";� 1 A , . A : A C / @ 0 > / @ A C A : > 9 . A ? 9string
2 - , A F A F = A . B 9 . / 9 = > A @ 9 F A Cblock1
D � 1 / ? B 9 . / 9 = > AA ì / ? 2 ? / @ 2 1 A : + C A = > + : ; 2 1 9 2 / ? > 9 = A > A C D � 1 / ? : + C A = > + : ; = A 0 / @ ? + @ > / @ A L 9 @ CA @ C ? + @ > / @ A 4 5 D � 1 / ? F A 9 @ ? 2 1 A B 9 . / 9 = > Ablock1 D � 1 A
block1B 9 . / 9 = > A/ ? < ? A C / @ + @ > / @ A 6 5 G 9 @ C / @� 1 A ? : + , A + E 2 1 A
block1> / @ A ? L 9 @ C 4 5 D� � � � � � � � �� � � � � � � � �
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Summary � � � � � � � � � , 9 @ A > 9 . A F A F = A .� � � � � � � � � , 9 @ A > Gpublic
D � 1 A 2 - , A + E C 9 2 9 9
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) ? / @ 0 F A 2 1 + C ? / @ 9 ? : . / , 2$ 9 F / @ 0 F A 2 1 + C ? , . + , A . > -* 9 > > / @ 0 9 F A 2 1 + C" A 2 < . @ / @ 0 9 B 9 > < A E . + F 9 F A 2 1 + CUpdate()
9 @ CStart()
F A 2 1 + C ?/ @ 2 + F A 2 1 + C ? D
4
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' 2 2 1 A = A 0 / @ @ / @ 0 + E Þ ß à � � á � é G - + < > A 9 . @ A C 9 = + < 2 * �A @ CUsing methods in a script� 1 A . A 9 . A � + , . + B / C A = A 1 9 B / + . 2 + 9 % 9 F A # = � A : 2V � � � � � � � � � � ú � � � � � � ý ü ú ÿ û ý � � ý ÿ ý ü � � � � � ÿ
Naming methods properly@ 9 F A ? E + . - + < . F A 2 1 + C ? D O < ? 2 > / ; A ! A ì , > 9 / @ A C E + . B 9 . / 9 = > A ? G / E - + <J / @ : A F A 2 1 + C ? F 9 ; A % 9 F A # = � A : 2 C + ? + F A 2 1 / @ 0 < ? A E < > G - + < ? 1 + < > C 0 / B A - + < . F A 2 1 + C 9JumpOverTheFence
+ .ClimbTheWall
D
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Wiggle
WiggleMyButtD
Begin method names with an uppercase letter X � � � � � � � �X � � � � � � � �) ? / @ 0 2 1 / ? A ì 9 F , > A 9 0 9 / @ Ivoid AddTwoNumbers ()
{
// Code goes here
}
� 1 A F A 2 1 + C9 F A 2 1 + C G@ + 2 1 / @ 0 > / ; A 9 ? / F , > A B 9 . / 9 = > A + @ 9 + @ A > / @ A ? 2 9 2 A F A @ 2 D
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� 1 A . A 9 . A 2 1 . A A' , 9 / . + E : < . > - = . 9 : A ? ? 1 + < > C = A , . A ? A @ 2 E + . : + @ 2 9 / @ / @ 0 2 1 A : + C A = > + : ; IreturnDataType NameOfTheMethod ( )
{
}K + + ; / @ 0 9 2LearningScript
+ @ : A 9 0 9 / @ G + . 9 @ - ) @ / 2 - 0 A @ A . 9 2 A C ? : . / , 2 G 2 1 AStart()F A 2 1 + C 1 9 ? 2 1 A 2 1 . A A = 9 . A ( = + @ A F / @ / F < F . A � < / . A F A @ 2 ? E + . 9 F A 2 1 + C I
void Start ()
{
}
void/ ? < ? A C D � 1 / ? / @ E + . F ? ) @ / 2 - 2 1 9 2@ + 2 1 / @ 0 / ? = A / @ 0 . A 2 < . @ A C E . + F 2 1 A F A 2 1 + C D
Start()DF A 2 1 + C / ? 0 + / @ 0 2 + C + D
Start()
/ ? : + @ : A . @ A C Iprivate
= - C A E 9 < > 2 D� 1 A . A E + . A G 2 1 / ? F A 2 1 + C : 9 @ @ + 2 = A : 9 > > A C E . + F + 2 1 A . ? : . / , 2 ? D
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� A2 9 ; A 2 1 A @ A ì 2 ? 2 A , 9 @ C > A 9 . @ 2 1 A < ? A E < > @ A ? ? + E 2 1 A , 9 . A @ 2 1 A ? A ? DLearningScript
AddTwoNumbers()F A 2 1 + C 2 + F 9 ; A / 2 F < : 1 F + . A < ? A E < > D
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) ? / @ 0 2 1 Aó ô # , A @LearningScript
/ @ # + @ + ¤ A B A > + , 2 + F + C / E - / 2 Dõ ôö ôAddTwoNumbers(). ô
AddTwoNumbers()/ ôY ô * > / : ; + @ / @ ) @ / 2 - DWhat just happened?' ? 2 1 / ? ? : . / , 2 A ì A : < 2 A ? G 2 1 A
AddTwoNumbers()
� 1 + ? A , 9 . A @ 2 1 A ? A ? 9 . A > / ; A 9AddTwoNumbers()
9 : + < , > A + E! E - + < > + + ; < , 2 1 AB 9 . / 9 = > A ?
firstNumber9 @ C
secondNumberD � 1 A 2 - , A / ?
intG + .
integer
number1Gnumber2
G 9 @ Cnumber3
D � 1 A - 9 . A 9 > ? + + E 2 1 A2 - , Aint
D � 1 A ? A B 9 . / 9 = > A ? 1 9 B A 2 + = A + E 2 - , Aint
intD
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firstNumber
firstNumber ? ú � � � ý � ú � � ú � � � ÿ � � û � ÿ ' ? - + < : 9 @ ? A A + @ > / @ A 4 4 + E 2 1 A : + C A = > + : ; G 2 1 + ? A B 9 . / 9 = > A ? 9 . A = A / @ 0 9 C C A C 2 + 0 A 2 1 A . DHow many parameters can a method have?� A : 9 @ 1 9 B A 9 ? F 9 @ - 9 ? - + <Calling a method! E - + < 9 . A > + + ; / @ 0 9 2
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/ @ : + C A D ! @ 2 1 A , . A B / + < ? ? : . A A @ ? 1 + 2 G > + + ; 9 2 > / @ A 6 4 IAddTwoNumbers(number1, number2);, 9 . A @ 2 1 A ? A ? 9 . A 2 1 A B 9 . / 9 = > A ? G
number19 @ C
number29 . A : 9 > > A C 2 1 A 9 . 0 < F A @ 2 ? 2 1 9 2 9 . A = A / @ 0 , 9 ? ? A C 2 + 2 1 A F A 2 1 + C D ! @ ? / F , > A 2 A . F ? G 2 1 A B 9 > < A ?firstNumber
9 @ CsecondNumber
firstNumber9 @ C
secondNumberD, 9 . 9 F A 2 A . ? > + + ; ? � < ? 2 > / ; A 2 1 / ? I
firstNumber = number1;
secondNumber = number2;J / @ : A 2 1 A 9 . 0 < F A @ 2number1
firstNumber: + @ 2 9 / @ ? 2 1 A B 9 > < A 4J / @ : A 2 1 A 9 . 0 < F A @ 2
number2
secondNumber: + @ 2 9 / @ ? 2 1 A B 9 > < A 7 D2 . 9 @ ? E A . . A C E . + F 2 1 A F A 2 1 + C : 9 > > 2 + 2 1 A F A 2 1 + C : + C A = > + : ; D
8 . A B / + < ? > - G 9 > > - + < 1 9 C 2 1 AAddTwoNumbers()
AddTwoNumbers()
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� 1 A @ A ì 2 ? : . A A @ ? 1 + 2 / ?# + C / E -
LearningScript2 + : 9 > > 2 1 A
AddTwoNumbers()2 + 2 9 > D ' > ? + : . A 9 2 A 9 @ + 2 1 A .ó ô # , A @LearningScript
/ @ # + @ + ¤ A B A > + , 2 + F + C / E - / 2 Dõ ôö ôAddTwoNumbers(). ô
DisplayResult()F A 2 1 + C D/ ôY ô * > / : ; + @ 8 > 9 - / @ ) @ / 2 - D
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What just happened?' ? - + < : 9 @ ? A A2 + > A 9 . @ E . + F 2 1 / ? A ì 9 F , > A / ? 2 1 / ? I! @ E 9 : 2 G 2 1 A B 9 > < A . A 2 < . @ A C E . + F 9 F A 2 1 + C : + < > C A 9 ? / > - = A ? 2 + . A C / @ 9 B 9 . / 9 = > Avoid Start()) @ / 2 - : 9 > > ? 2 1 A
Start()F A 2 1 + C + @ : A + @ > - D� 1 A : + C A
int answer =
AddTwoNumbers(number1, number2) +
AddTwoNumbers(number1, number3);H / . ? 2 2 1 A . A / ? 9 : 9 > > 2 +AddTwoNumbers(number1, number2)� 1 A 9 . 0 < F A @ 2 ?
number19 @ C
number2? A @ C 2 1 A / @ 2 A 0 A . ? 4 9 @ C 7 2 + 2 1 A F A 2 1 + C
int AddTwoNumbers(int firstNumber, int secondNumber);� 1 A / @ 2 A 0 A . ? 4 9 @ C 7 9 . A 9 ? ? / 0 @ A C 2 + 2 1 A , 9 . 9 F A 2 A . B 9 . / 9 = > A ?firstNumber9 @ C
secondNumber.
int result = firstNumber + secondNumber;� 1 A @ < F = A . ? 4 9 @ C 7 9 . A 9 C C A C 9 @ C ? 2 + . A C / @ 2 1 A C A : > 9 . A C B 9 . / 9 = > A . A ? < > 2 D
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return result;
� 1 A . A - + < ? A AAddTwoNumbers(number1, number2)
AddTwoNumbers(number1, number3)� 1 A 9 . 0 < F A @ 2 ?number1
9 @ Cnumber3
firstNumber9 @ CsecondNumber
D2
9 @ C7
9 . A 9 C C A C 9 @ C ? 2 + . A C / @ . A ? < > 2 D� 1 A . A - + < ? A A
AddTwoNumbers(number1, number3) 9D
59 @ C
99 . A 9 C C A C 2 + 0 A 2 1 A . 9 @ C 2 1 A . A ? < > 2 9 @ 2 / @ 2 A 0 A .
14� 1 AStart()
DisplayResult(answer);� 1 / ? / ? : 9 > > / @ 0 2 1 ADisplayResult()
F A 2 1 + C + @ > / @ A 4 L D9 B 9 > < A + E 2 - , Aint
D
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[ 54 ]
void DisplayResult(int total)
Debug.Log("The grand total is: " + total);� 1 / ? + < 2 , < 2 2 + 2 1 A ) @ / 2 -� 1 A ) @ / 2 - C / ? , > 9 - ? D� 1 AStart()/ @
LearningScript2 + A ì A : < 2 A G 2 1 A ? : . / , 2 / ? C + @ A D� . - F + C / E - / @ 0 > / @ A 6 4 2 + 9 C C 2 1 A @ < F = A . ? 2 + 0 A 2 1 A . 2 1 9 2 9 . A ? 2 + . A C / @ 2 1 A B 9 . / 9 = > A ?
number29 @ Cnumber3 AddTwoNumbers()
D � 1 A . A ? < > 2 / @2 1 A ? 1 + < > C = A DCalling a method is a logic detour
Using Unity's Update and Start methods= A : 9 < ? A 2 1 A - 9 . A . 9 2 1 A . / F , + . 2 9 @ 2 D � 1 A ? A 9 . A 2 1 A F + ? 2 : + F F + @ > - < ? A CMonoBehaviour
MonoBehaviourF A 2 1 + C / ? / @ : > < C A C / @ 9 ) @ / 2 - ? : . / , 2 2 + : 9 < ? A 2 1 A ? : . / , 2 2 + A ì A : < 2 A D ! ? 9 -< ? < 9 > > - = A : 9 < ? A + 2 1 A . F A 2 1 + C ? / @ 2 1 A ? : . / , 2 F 9 - = A : 9 > > A C E . + F 9 @ + 2 1 A . ? : . / , 2 + . : > 9 ? ? D
MonoBehaviour/ ? - + < . E . / A @ C D
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[ 55 ]
$ � % � � � � � � D O < ? 2 ? A 9 . : 1 E + .MonoBehavior
II
public class LearningScript : MonoBehaviour� 1 / ? > / @ A ? 9 - ? 2 1 9 2LearningScript
/ @ 1 A . / 2 ? E . + FMonoBehaviour
D ' @ - ? : . / , 2 2 1 9 2 / @ 1 A . / 2 ?E . + FMonoBehaviour Update()
9 @ CStart()
/ E 2 1 A - 9 . A� < ? 2 1 9 B A / 2 / @ 1 A . / 2 E . + FMonoBehavior
= - 9 C C / @ 0 I: MonoBehaviour� ú � ü � � � ÿ � � � � ý ü � � � � �
The Start method is called one time
Start()F A 2 1 + C / ? : 9 > > A C D � 1 / ? F A 2 1 + C / ? , . / F 9 . / > - < ? A C 2 +2 + = A . A 9 C - 2 + 0 + = A E + . A
Update()2 1 9 2 F 9 @ - + E 2 1 A A ì 9 F , > A ? ! < ? A C / @LearningScript
9 . A F 9 ; / @ 0< ? A + EStart()+ E 2 1 A E 9 : 2 2 1 9 2 ? / @ : A
Start()
The Update method is called over and over and over…' ? - + < ? 2 < C - 2 1 A ? 9 F , > A : + C A / @ 2 1 A+ E 2 1 A : + C A / ? / @ 2 1 AUpdate()
F A 2 1 + C D ' ? - + < . 0 9 F A . < @ ? G 2 1 A J : A @ A / ? C / ? , > 9 - A C F 9 @ -G + . D2 1 AUpdate()
F A 2 1 + C / ? : 9 > > A C = - ) @ / 2 - 2 + . < @ - + < . : + C A D
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[ 56 ]
J / @ : AUpdate()
/ ?2 1 A @ A ì 2 : 1 9 , 2 A . DUpdate()
Summary
Start()9 @ C
Update()F A 2 1 + C ? G
MonoBehaviour: > 9 ? ? DF 9 ; / @ 0 C A : / ? / + @ ? / @ - + < . : + C A D
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Making Decisions in Code
! E ? 2 9 2 A F A @ 2 C A : / ? / + @ ?! E ( A > ? A ? 2 9 2 A F A @ 2 C A : / ? / + @ ?
5
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[ 58 ]
! E G / E G / E D ! E ! C + 2 1 / ? \ / E ! C + 2 1 9 2 \ � 1 9 2 1 9 , , A @ ? / E \* A . 2 9 / @ > -' @
if? 2 9 2 A F A @ 2 / ?
' ? 9 F , > / @ 0 + E� 1 A 2 A F , A . 9 2 < . A / ? : + > C� 1 A : 1 9 . 9 : 2 A . C / A C� 1 A " %2 . < A + . E 9 > ? A Dó ô # + C / E -
LearningScriptõ ôö ô ! @ ) @ / 2 - G : > / : ; + @ 8 > 9 - D
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What just happened?) @ / 2 - I* + C A 9 @ 9 > - ? / ? I
bool theBearMadeBigPottyInTheWoods = true;� 1 / ? + + > A 9 @ B 9 . / 9 = > A / ? C A : > 9 . A C 9 @ C 9 ? ? / 0 @ A C 2 1 A B 9 > < A + Etrue
D� 1 A : + C Aif( theBearMadeBigPottyInTheWoods)' @
if true+ .
falseD� 1 A B 9 . / 9 = > A
theBearMadeBigPottyInTheWoods/ ? ? 2 + . / @ 0 9 B 9 > < A
trueG? : . A A @ ? 1 + 2 D
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[ 60 ]
Using the NOT operator to change the condition
theBearMadeBigPottyInTheWoods = false;' ? ? / 0 @ ? 2 1 A B 9 > < Afalse
2 +theBearMadeBigPottyInTheWoods
Dif( ! theBearMadeBigPottyInTheWoods)
theBearMadeBigPottyInTheWoods/ ? E 9 > ? A D
2 1 A * + @ ? + > A ? : . A A @ ? 1 + 2A ì A : < 2 A 2 1 A : + C A = > + : ; D/ ? A ì A : < 2 A C D
&&
||
condition to checkó ô # + C / E -LearningScriptõ ôö ô ! @ ) @ / 2 - G : > / : ; + @ 8 > 9 - D
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� ÿ ý ü þ � � ^ _ � � � û ú � � û What just happened?& A . A / ? 2 1 A + < 2 , < 2 - + < 0 A 2 / @ 2 1 A ) @ / 2 - I
* + C A 9 @ 9 > - ? / ? I� 1 A : + C Abool theBearMadeBigPottyInTheWoods = true;'bool
B 9 . / 9 = > A / ? C A : > 9 . A C 9 @ C 9 ? ? / 0 @ A C 2 1 A B 9 > < A + Etrue
Dint temperature = 40;' @
intB 9 . / 9 = > A / ? C A : > 9 . A C 9 @ C 9 ? ? / 0 @ A C 2 1 A B 9 > < A
40D
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[ 62 ]
if(temperature >= 35 && theBearMadeBigPottyInTheWoods)' @if true
Dtemperature
/ ? 0 . A 9 2 A . 2 1 A @ G + . A � < 9 > 2 + G35
D� 1 A B 9 > < A ? 2 + . A C / @temperature
/ ?40� 1 A B 9 > < A ? 2 + . A C / @
theBearMadeBigPottyInTheWoods
if(temperature >= 35 || theBearMadeBigPottyInTheWoods)' @if
� . - : 1 9 @ 0 / @ 0temperature 30
D # @ > - + @ A + E 2 1 Aif= A 2 . < A I
� 1 A : + C Aif(temperature >= 35 && theBearMadeBigPottyInTheWoods): + C A = > + : ; C + A ? @ + 2 A ì A : < 2 A D
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[ 63 ]
if(temperature >= 35 || theBearMadeBigPottyInTheWoods)
theBearMadeBigPottyInTheWoods
J + E 9 . G 2 1 Aif true
E + . 2 1 A : + C A = > + : ; 2 +A ì A : < 2 A D � 1 A . A / ? 9 @2 1 Aif false
D9 > 2 A . @ 9 2 A : + C A = > + : ;9 . A � < ? 2 > / ; A . A 0 < > 9 .
elseó ô # + C / E -LearningScriptõ ô
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[ 64 ]
ö ô ! @ ) @ / 2 - G : > / : ; + @ 8 > 9 - D
else if: + C A = > + : ; D
What just happened?� 1 A 9 @ 9 > - ? / ?bool theBearMadeBigPottyInTheWoods = false;� 1 A B 9 . / 9 = > A
theBearMadeBigPottyInTheWoods/ ? 9 ? ? / 0 @ A C 2 1 A B 9 > < A + E E 9 > ? A D
if( theBearMadeBigPottyInTheWoods)
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[ 65 ]
` 4 D � 1 9 2 > + 0 / : 9 > + , A . 9 2 + . : 9 @ 2 < . @ 9true false
G + . 9false/ @ 2 +
true
true
Making decisions based on user input¤ A : / ? / + @ ? Þ ß à � � á � S G a � � � � b c � � � @; A - 2 + : 9 > > 2 1 AAddTwoNumbers()
F A 2 1 + C Iif(Input.GetKeyUp(Keycode.Return))
AddTwoNumbers();� 1 Aif Return
GetKeyUp()IReturn
; A - / ? . A > A 9 ? A C GAddTwoNumbers()
/ ? A ì A : < 2 A C DAddTwoNumbers()ù � ü � � û � ý ÿ � ü � � � ü � � ý ü � � � � � � � � � � � � � � û ú ü ý � û ú ü � � ÿ � � � � � ú ? �
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[ 66 ]
$ � % � � � � � � < @ C A . 2 1 AGetComponents()
F A 2 1 + C Ipublic HingeJoint[] hingeJoints;
void Example() {
hingeJoints = gameObject.GetComponents<HingeJoint>();
...
}' > > 2 1 AHingeJoints
HingeJoints HingeJoints
K / ; A 9 ? < , A . ( B 9 . / 9 = > A C / B / C A C / @ 2 + F 9 @ - : < = = - 1 + > A ? DStoring items in an arrayK + + ; / @ 0 9 2 2 1 A
GetComponents()A ì 9 F , > A + @ 2 1 A9 . . 9 - / ? : . A 9 2 A C I
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' ? , A . 2 1 A : + C A + @ > / @ A 6 Ipublic HingeJoint[] hingeJoints;
public� � � � � � � � � D ' > ? + 2 1 A 9 . . 9 - / ?9 : : A ? ? / = > A E . + F + 2 1 A . ? : . / , 2 ? D
HingeJoint[]
HingeJoint HingeJoint/ ? 9 : > 9 ? ? / @ 2 1 A N D� 1 A ? � < 9 . A = . 9 : ; A 2 ? ? , A : / E - 2 1 9 2 2 1 A B 9 . / 9 = > A : . A 9 2 A C / ? 0 + / @ 0 2 + = A 9 @ 9 . . 9 - G
HingeJoint+ = � A : 2 ? G 9 @ C+ @ > -
HingeJoint+ = � A : 2 ? D
hingeJoint/ ? 2 1 A @ 9 F A + E 2 1 A 9 . . 9 - = A / @ 0 : . A 9 2 A C DC A : > 9 . A C / ? 9 : 2 < 9 > > - 0 + / @ 0 2 + = A 9 @ 9 . . 9 - D
GetComponent()F A 2 1 + C . A 2 . / A B A ? 9 > > 2 1 A
HingeJoints+ @ 2 1 A % 9 F A # = � A : 2 9 @ C ? 2 + . A ? A 9 : 1 + E 2 1 A F / @ 2 + 2 1 A 9 . . 9 - I' ? , A . 2 1 A : + C A + @ > / @ A 7 I
hingeJoints = gameObject.
GetComponents<HingeJoint>();
hingeJoints/ ? 2 1 A 9 . . 9 -% 9 F A # = � A : 2 / ? 2 1 A B 9 . / 9 = > A 2 1 9 2 ? 2 + . A ? 2 1 A % 9 F A # = � A : 2 2 1 / ? ? : . / , 2 / ?9 2 2 9 : 1 A C 2 +
GetComponents<HingeJoint>()/ ? 2 1 A F A 2 1 + C < ? A C 2 + E / @ C A B A . -
HingeJoint+ = � A : 2 + @ 2 1 / ? % 9 F A # = � A : 2' ? A 9 : 1
HingeJoint+ = � A : 2 / ? E + < @ C G / 2 / ? ? 2 + . A C / @ 2 + + @ A + E 2 1 A : < = = - 1 + > A ? + E 2 1 A 9 . . 9 - D� 1 A ? A : < = = - 1 + > A ? 9 : 2 < 9 > > - 1 9 B A 9 . A 9 > @ 9 F A : 9 > > A C 9 @ D � 1 A ? A A > A F A @ 2 ? 9 : 2 < 9 > > -
hingeJoint9 . . 9 - D � 9 : 1 A > A F A @ 2 / ? 0 / B A @ 9 @ / @ C A ì
HingeJoint? A : + @ C + @ A E + < @ C / ? ? 2 + . A C / @ 2 1 A A > A F A @ 2 9 2 / @ C A ì 6 D � 1 A 2 1 / . C 9 2 / @ C A ì 4 G 9 @ C + @ 9 @ CHingeJoints
9 . A E + < @ C + @ 2 1 A % 9 F A # = � A : 2 DHingeJoint2 1 A ? A : + @ C
HingeJoint
hingeJoint[1]? , A : / E - 2 1 A / @ C A ì @ < F = A . D
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[ 68 ]
� ÿ � � ý ú � � � � û � � þ ý ü ü � û ÿ 9List
Storing items in a List) ? / @ 0 9List
/ @ ? 2 A 9 C + EList
DList
/ ? 9 C � < ? 2 9 = > AList
List1 9 ? 2 1 A 9 = / > / 2 - 2 + ? 2 + . A 9 @ - 2 - , A + E + = � A : 2 G
List2 + ? 2 + . A D
List+ E / @ 2 A 0 A . ? G + E 2 1 A
int2 - , A G2 1 A @ - + < : 9 @ : . A 9 2 A 9
List int2 - , A D � 9 @ 2 9
List� 1 A @ : . A 9 2 A 9List string
2 - , A D* . A 9 2 A 9List
2 1 9 2 ? 2 + . A ? 2 1 A @ 9 F A ? + E ? + F A , + @ / A ? D J / @ : A 2 1 A - 9 . A @ 9 F A ? G < ? A2 1 Astring
2 - , A Dó ô # + C / E -LearningScriptõ ôö ô
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[ 69 ]
. ô ! @ ) @ / 2 - G : > / : ; + @ 8 > 9 - D
What just happened?? : . A A @ ? 1 + 2 / ? 2 1 A2 + 2 9 > + E 7 A > A F A @ 2 ? / @ 2 1 AList
I
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[ 70 ]
� û � ú û � � � � ú � � û � ÿ � úList
� 1 A 9 @ 9 > - ? / ? + EUsing System.Collections.Generic;� + = A 9 = > A 2 + < ? A 9
ListE + . < ? / @ 0 9List
D* 1 9 @ 0 A 2 1 A < ? / @ 0 ? 2 9 2 A F A @ 2 2 +using System.Collections.Generic;
DList<string> myFavoritePonies = new List<string>();� 1 / ? ? 2 9 2 A F A @ 2 : . A 9 2 A ? 9 @ A F , 2 -
List+ = � A : 2 D
List<string> List+ E 2 - , Astring
D� 1 A @ 9 F A + E 2 1 AList
/ ?myFavoritePonies
D=C A : > 9 . / @ 0 2 1 A 2 - , A 9 @ C 2 1 A @ 9 F A D� B A . - 2 1 / @ 0 + @ 2 1 A . / 0 1 2 ? / C A / ? � < ? 2 > / ; A 9 ? ? / 0 @ / @ 0 9 B 9 > < A 2 + 9 B 9 . / 9 = > A G 2 1 A . A E + . A
new List<string() List+ = � A : 2 / @ : + F , < 2 A .
myFavoritePoniesDù ú � ý ÿ � ý � û � ü � � û � ý ÿ � ú �
Listý ÿ ú ü � � U � � � ú � ý � ÿ � � ú ü ÿ � � û � � ú � ú ý ü� � � � � ü � ÿ > � ú þ ý ü � ú ü � þ þ ú û � � ü ú ÿ ú ü � � U � � � ú � ú ü ÿ � � û � � � � þ þ � � � �
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[ 71 ]
myFavoritePonies.Add("Princess Cadence");� 1 A ? A 2 1 . A A > / @ A ? + E : + C A 9 . A 9 C C / @ 0strings
G 2 1 A , + @ - @ 9 F A ? G 2 + 2 1 AmyFavoritePonies List
DO < ? 2 > / ; A 9 @ 9 . . 9 - G A 9 : 1 , + @ - @ 9 F Astring
9 C C A C / ? 0 / B A @ 9 @ / @ C A ì @ < F = A . E + .2 1 A A > A F A @ 2 2 1 9 2 A 9 : 1 , + @ - @ 9 F A / ? ? 2 + . A C / @ ImyFavoritePonies
Princess
Cadence
Index 0 Index 1 Index 2
FluttershyNightmare
Moon
Debug.Log("This List has " + myFavoritePonies.Count + " ponies");
myFavoritePonies.Count. A 2 . / A B A ? 2 1 A @ < F = A . + E A > A F A @ 2 ? / @ 2 1 A
ListD
Debug.Log("The pony's name at index 1 is " + myFavoritePonies[1]);K / ; A 2 1 AList
/ ? 9 2 / @ C A ì 5 D
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[ 72 ]
' C C 9 @ + 2 1 A . , + @ - 2 + 2 1 AList
G C / ? , > 9 - 2 1 A@ < F = A . + E A > A F A @ 2 ? / @ 2 1 AList
V � � ý ü þ ú ü � � � � � ü � � � � �List� ý ÿ ý ÿ ý � � � ÿ ÿ ý � � � � � � � � ÿ ý ü þ ú ü ú û û ú �
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Storing items in a Dictionaryd � e2 1 A B 9 > < A ? 2 + . A C D* . A 9 2 A 9
Dictionary< ? / @ 0 2 - , A
intE + . 2 1 A ; A - ? Dó ô # + C / E -
LearningScriptõ ôö ô ! @ ) @ / 2 - G : > / : ; + @ 8 > 9 - D
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� 1 A 9 @ 9 > - ? / ?Dictionary<int, string> myFavoritePonies = new Dictionary<int, string>();¤ A : > 9 . / @ 0 9
Dictionary/ ? B A . - ? / F / > 9 . 2 + C A : > 9 . / @ 0 9
ListD'
Dictionary. A � < / . A ? - + < 2 + ? , A : / E - 2 1 A 2 - , A E + . 2 1 A
KeyD� 1 / ? A ì 9 F , > A < ? A C / @ 2 A 0 A . ? E + . 2 1 A ; A - ? D
myFavoritePonies.Add(10, "Princess Cadence");
myFavoritePonies.Add(20, "Fluttershy");
AddG � < ? 2 > / ; A - + < C / C E + . 9
ListD
myFavoritePonies[30] = "Nightmare Moon";
myFavoritePonies[40] = "Rainbow Dash";
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Using a Collection Initializer to add items to a List or Dictionary
List+ .Dictionary
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[ 76 ]
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List<string> myFavoritePonies = new List<string>() {"Princess Cadence", Fluttershy"};
List� 1 / ? / ? 9 @ + 2 1 A . < ? A + E : < . > - = . 9 : A ? D� 1 / ?List
List? 2 9 2 A F A @ 2 DDictionary<int, string> ponyDictionary = new Dictionary<int, string>() {{10, "Nightmare Moon"}, {20, "Rainbow Dash"}};
Dictionary
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[ 77 ]
Looping though lists to make decisions 2 + 0 A 2 C 9 2 9 / @ 2 + 2 1 A F G2 1 A @ A A C A C C 9 2 9 Dforeach
> + + ,for
> + + ,while
> + + ,: - : > A 2 1 . + < 0 1 2 1 A A > A F A @ 2 ? 9 @ C . A 2 . / A B A C 9 2 9 / ? 2 + < ? A 2 1 Aforeach
> + + , D2 1 A C A ? / . A C C 9 2 9 E . + F A 9 : 1 + @ A = - < ? / @ 0
foreach> + + , ? Dó ô # + C / E -
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[ 78 ]
ö ô ! @ ) @ / 2 - G : > / : ; + @ 8 > 9 - D
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H + . A 9 : 1string[] ponyArray = new string[] {"AppleJack", "Rarity"};'string
9 . . 9 - @ 9 F A CponyArray
foreach(string pony in ponyArray)'foreach
> + + , / ? < ? A C 2 + . A 2 . / A B A + @ A A > A F A @ 2 G 9 , + @ - @ 9 F A ? 2 . / @ 0 G ? 2 + . A C/ @ponyArray
D' B 9 . / 9 = > A / ? C A : > 9 . A C @ 9 F A Cpony
2 + 1 + > C 2 1 A . A 2 . / A B A C , + @ - @ 9 F A D# @ : A 9 , + @ - @ 9 F A / ? . A 2 . / A B A C G 2 1 Aforeach
ponyArray1 9 ? = A A @ . A 2 . / A B A C 9 @ C2 A ? 2 A C / @ 2 1 A : + C A = > + : ; D
if(pony == "Rarity");! E 2 1 A . A 2 . / A B A C ? 2 . / @ 0 ? 2 + . A C / @pony
/ ? A � < 9 > 2 +"Rarity"
G 2 1 A @ > / @ A 6 L A ì A : < 2 A ? DDebug.Log("I was looking for " + pony);2 1 A DList<string> ponyList = new List<string>() {"Princess Cadence", "Fluttershy"};'List
@ 9 F A CponyList string? 2 . / @ 0 ? 9 . A 9 C C A C D� 1 A : + C A + @
foreach(string pony in ponyList)'foreach
> + + , / ? < ? A C 2 + . A 2 . / A B A + @ A A > A F A @ 2 G 9 , + @ - @ 9 F Astring
G ? 2 + . A C/ @ponyList
D' B 9 . / 9 = > A / ? C A : > 9 . A C @ 9 F A Cpony
2 + 1 + > C 2 1 A . A 2 . / A B A C , + @ - @ 9 F A D
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[ 80 ]
# @ : A 9 , + @ - @ 9 F A / ? . A 2 . / A B A C G 2 1 Aforeach/ ? A ì A : < 2 A C D
ponyList1 9 ? = A A @ . A 2 . / A B A C 9 @ C2 A ? 2 A C / @ 2 1 A : + C A = > + : ; D
if(pony == "Fluttershy")! E 2 1 A . A 2 . / A B A C ? 2 . / @ 0 ? 2 + . A C / @pony
/ ? A � < 9 > 2 +"Fluttershy"
G 2 1 A @ > / @ ADebug.Log("I was looking for " + pony);
pony/ ? C / ? , > 9 - A C/ @ 2 1 A D
Dictionary<int, string> ponyDictionary = new Dictionary<int, string>() {{10, "Nightmare Moon"}, {20, "Rainbow Dash"}};'Dictionary
@ 9 F A CponyDictionary
<int, string>
foreach(KeyValuePair<int, string> pony in ponyDictionary)'foreach
> + + , / ? < ? A C 2 + . A 2 . / A B A + @ AKeyValuePair
G 9 ; A - 9 @ C B 9 > < A G ? 2 + . A C / @ponyDictionary
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2 + 1 + > C 2 1 A . A 2 . / A B A CKeyValuePair
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: + C A = > + : ;KeyValuePair
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1 9 ? = A A @. A 2 . / A B A C 9 @ C 2 A ? 2 A C / @ 2 1 A : + C A = > + : ; Dif(pony.Key == 20)! E 2 1 A . A 2 . / A B A C
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Debug.Log("I was looking for " + pony.Value);� 1 A ? 2 . / @ 0I was looking for
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for� 1 A ? - @ 2 9 ì + E 9for
> + + , Ifor (initializer; condition; iterator)
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code block
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D � 1 A @ < ? A 9for
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[ 82 ]
What just happened?ponyList
G 2 1 A @ 9 F A ? + E 2 1 AponyList
� 1 A 9 @ 9 > - ? / ? + E 2 1 AList<string> ponyList = new List<string>() {"Princess Cadence", "Fluttershy", "Rainbow Dash", "Rarity"};'List
@ 9 F A CponyList string
2 - , A DH + < . ? 2 . / @ 0 ? 9 . A 9 C C A C + E 2 1 A , + @ - @ 9 F A ? DDebug.Log("Number of elements in ponyList: " + ponyList.Count);� 1 A ? 2 . / @ 0
Number of elements in ponyList:, > < ? 2 1 A @ < F = A . + E A > A F A @ 2 ?< ? A C / @
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ponyList.Count/ ? < ? / @ 0 C + 2 ? - @ 2 9 ì 2 + 9 : : A ? ? 2 1 A
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ListD
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for(int i = 0; i < ponyList.Count; i++)� 1 Afor loop
/ ? : . A 9 2 A C D� A C A : > 9 . A C 9 B 9 . / 9 = > Ai
+ E 2 - , Aint
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� 1 A : + C A + @Debug.Log(ponyList[i]);� 1 A A > A F A @ 2 ? / @
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ponyList[0]G 2 1 A A > A F A @ 2 9 2 / @ C A ì 5 D� 1 A A > A F A @ 2 9 2 / @ C A ì 5 / ? ? 2 + . / @ 0
Princess CadenceD
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i
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[ 84 ]
if(ponyList[i] == "Fluttershy")2 1 A @ 9 F A . A 2 . / A B A C E . + FponyList Fluttershy"
DDebug.Log("I was looking for " + ponyList[i]);� 1 A ? 2 . / @ 0
I was looking for, > < ? 2 1 A @ 9 F A
Fluttershy/ ? C / ? , > 9 - A C / @2 1 A D
Using the while loop� 1 Awhile
> + + , A ì A : < 2 A ? 9Vwhile for
� � � � ý ü � � � � � � ü � ü � � ú û � ÿ fThe syntax of a while loop:
initializer
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{
code block
iterator
}
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[ 85 ]
What just happened?= A A @ ? A 9 . : 1 / @ 0 E + .Fluttershy
/ @ ? 2 A 9 C + ERainbow Dash
G 9 @ C @ + 2 / @ : > < C A C 2 1 Abreak
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[ 86 ]
for> + + , A ì 9 F , > A D
int i = 0;
while(i < ponyList.Count)� 1 AwhileJ / @ : Ai
/ ?0
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while
if(ponyList[i] == "Rainbow Dash")
if? 2 9 2 A F A @ 2 / ? : 1 A : ; / @ 0 2 +? A A / E 2 1 A @ 9 F A . A 2 . / A B A C E . + F
ponyList/ ? A � < 9 > 2 +
Rainbow DashD
i++;� 1 A / 2 A . 9 2 + .i
/ ? / @ : . A F A @ 2 A C = - 6 9 @ C 2 1 A > + + , . A , A 9 2 ? = 9 : ; 2 + > / @ A 6 4 2 + : 1 A : ;i2 1 A > + + , D� 1 A : + C A
Debug.Log("Stop. I was looking for " + ponyList[i]);� 1 A ? 2 . / @ 0Stop. I was looking for
, > < ? 2 1 A @ 9 F ARainbow Dash
/ ?C / ? , > 9 - A C / @ 2 1 A D
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� 1 A : + C Abreak;
break
while
+ E , + @ - @ 9 F A ? C / ? , > 9 - A C / @ 2 1 A = A E + . A ? 2 + , , / @ 0 DSummary
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Communication
¤ + 2 J - @ 2 9 ì = A / @ 0 � < ? 2 9 @ 9 C C . A ? ?) ? / @ 0 ¤ + 2 J - @ 2 9 ì / @ 9 ? : . / , 2
6
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[ 90 ]
Using Dot Syntax is like addressing a letter� B A . ? A A @ ? + F A 2 1 / @ 0www.unity3d.com
& A . A / ? 9 F 9 / > / @ 0 9 C C . A ? ? I� A . . - $ + . 2 + @4 4 F - J 2 . A A 2Post Office Syntax
Terry Norton
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Essex, VT General
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[ 91 ]
! : + < > C E + . A ? A A + @ A = / 0 / ? ? < A 2 . - / @ 0 2 + . A 2 . / A B A F -2 + 2 1 A ? < @ 0 > 9 ? ? A ? D� 1 A ? 9 F A . < > A ? + E 9 : : A ? ? 9 , , > - 2 + F A F = A . B 9 . / 9 = > A ? 9 @ C F A 2 1 + C ? + E 9 : > 9 ? ? + . ? : . / , 2 Dprivate
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[ 92 ]
LearningScript< ? A 2 1 A 0 A @ A . 9 > 2 A . Fpublic class LearningScript : MonoBehaviour
LearningScript/ 2 ? F A F = A . B 9 . / 9 = > A ? 9 @ C F A 2 1 + C ? D ' @ - B 9 . / 9 = > A @ + 2 C A : > 9 . A C / @ 9 F A 2 1 + C / ? 9 F A F = A .B 9 . / 9 = > A + E 2 1 A : > 9 ? ? D! @ Þ ß à � � á � S G ! 2 + > C - + < 9 = + < 2 2 1 A F 9 0 / : 2 1 9 2� � � � � � � � �J A > A : 2 9 @ - % 9 F A # = � A : 2 / @ 2 1 A G 2 1 A @ > + + ; 9 2 2 1 A � � � � � � � � � D H + . A ì 9 F , > A G ? A > A : 22 1 A % 9 F A # = � A : 2 D � 1 A . A 9 . A ? A B A . 9 > * + F , + @ A @ 2 ? + @ 2 1 A
O < ? 2 > / ; A 9 @int
G + . 9string
/ ? 9 2 - , A + E C 9 2 9 G 2 1 A @ 9 F A + E 9 : > 9 ? ? / ? 9 > ? + 9 2 - , A+ E C 9 2 9 D/ 2 : 9 @ � < ? 2 9 ? A 9 ? / > - ? 2 + . A 9 . A E A . A @ : A 2 + 9 @ + = � A : 2 + E 2 1 ALearningScript
2 - , A G 9 ?LearningScript myVariable;
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Ä � ¾ � Æ Á ä g
[ 93 ]
+ = � A : 2 / @ F A F + . - DV ÿ û ý � �LearningScript
D # 9 ; A ? + F A2 1 ALearningScript
LearningScript2 + 6 5 5 5 % 9 F A # = � A : 2 ? G 9 @ C : > / : ; + @+ E 2 - , A
LearningScript= - 2 1 Ascript h ? � ü � � � þ � � � � U � � û � ú � � � û � � ú � ú ÿ ÿ ý ÿ ú � � � � ú T � � � � ü � ü � � � � ú ÿ ÿ ý ÿ ú � � � � ú ü ý ü ÿ � ú ü � � � U � � V T � � � � ü � ü � � � U � � ú ü � ú ü ý ü ÿ � ú ü �� � U � � ú û � � � ÿ ú � � � ý ü þ
Using Dot Syntax in a scriptA 9 : 1 * + F , + @ A @ 2 + = � A : 2 . A ? / C A ? / @ : + F , < 2 A . F A F + . - G ? 2 + . / @ 0 C 9 2 9Accessing a Component's own variables and methods¤ + 2 J - @ 2 9 ì : 9 @ = A < ? A C 2 + 9 : : A ? ? 9 @ - , < = / : B 9 . / 9 = > A + . F A 2 1 + C + @ 9 @ - * + F , + @ A @ 2 + @ 9 @ -
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[ 94 ]
> + + ; / @ 0 / @LearningScript
Dthis
variable methodor1
variable methodor2
Dot Syntax for the current Component
To access the item in :bold
B 9 . / 9 = > A / @LearningScript
E . + F / @ ? / C ALearningScript
Dó ô # + C / E -LearningScript
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Ä � ¾ � Æ Á ä g
[ 95 ]
õ ôö ô ! @ ) @ / 2 - G : > / : ; + @What just happened?& A . A 9 . A 2 1 A + < 2 , < 2 ? / @ 2 1 A I
string myString = "Access the variable ";
myString/ ? 2 1 A
private
Debug.Log(myString + "the normal way.");2 1 A B 9 . / 9 = > A @ 9 F A� 1 Astring
B 9 > < A / @myString
GAccessing this variableE + . 2 1 A B 9 . / 9 = > A @ 9 F A
myString GetComponent()G
Debug.Log(this.myString + "using 'this' keyword.");
myString/ ? = A / @ 0 9 : : A ? ? A C < ? / @ 0 ¤ + 2 J - @ 2 9 ì� 1 A
this2 1 A : < . . A @ 2 * + F , + @ A @ 2
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[ 96 ]
Debug.Log(GetComponent<LearningScript>().myString + "using
GetComponent.");
myString/ ? = A / @ 0 9 : : A ? ? A C < ? / @ 0 ¤ + 2 J - @ 2 9 ì 9 0 9 / @
GetComponent<T>()F A 2 1 + C / ? . A 2 . / A B / @ 0 2 1 A
LearningScript* + F , + @ A @ 2K / @ A 4 4 I
Debug.Log(this);) ? / @ 0this
G 2 1 A * + F , + @ A @ 2 / ? ? A @ 2 2 + 2 1 Athis
/ ? 2 1 A: < . . A @ 2LearningScript
* + F , + @ A @ 2 + = � A : 2K / @ A 4 7 IDebug.Log(GetComponent<LearningScript>());) ? / @ 0
GetComponent<LearningScript>()G 2 1 A * + F , + @ A @ 2 / ? ? A @ 2 2 + 2 1 ALearningScript
* + F , + @ A @ 2 + = � A : 2� 1 Athis GetComponent<LearningScript>()
9 . A = + 2 1 . A 2 . / A B / @ 02 1 A ? 9 F ALearningScript
* + F , + @ A @ 2 + = � A : 2Q á � ß � b �2 1 A B 9 . / 9 = > A ? 9 @ C F A 2 1 + C ? / @ 2 1 A : < . . A @ 2 * + F , + @ A @ 2 + = � A : 2 < ? / @ 0 ¤ + 2 J - @ 2 9 ì DmyString
/ ?myString
DGetComponent()
F A 2 1 + C 2 + . A 2 . / A B A 2 1 A: < . . A @ 2 * + F , + @ A @ 2 + = � A : 2 + E 2 1 ALearningScript
: > 9 ? ? / @ F A F + . - G 2 1 A @ < ? A ¤ + 2 J - @ 2 9 ì 2 +9 : : A ? ?myString< ? / @ 0 2 1 A
this
this? / F , > -F A 9 @ ? 2 1 A : < . . A @ 2 / @ ? 2 9 @ : A + = � A : 2 + E 2 1 A
LearningScript: > 9 ? ? G 2 1 A : < . . A @ 2 * + F , + @ A @ 2 D
thisthis
this
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i j k l m n o p
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Accessing another Component on the current GameObject* + F , + @ A @ 2 + @ 2 1 A ? 9 F A % 9 F A # = � A : 2 G 2 1 A D " A F A F = A . GLearningScript
/ ?Component variable methodor
Dot Syntax for the current GameObject
To access item in :another bold
Component3
4
the Main Camera G2 1 A @ 1 9 B ALearningScriptó ô ! @ ) @ / 2 - G : . A 9 2 A 9 @ + 2 1 A . 9 @ C @ 9 F A / 2
TalkToMeDõ ô # 9 ; A 9
public stringB 9 . / 9 = > A @ 9 F A C
hereItIsDö ô ' ? ? / 0 @ ? + F A 2 A ì 2 2 +
hereItIsD. ô # 9 ; A 9
publicF A 2 1 + C @ 9 F A C
MakeMeTalk()D/ ô & 9 B A
MakeMeTalk()+ < 2 , < 2 ? + F A 2 A ì 2 2 + 2 1 A DY ô
MakeMeTalk()2 + 2 1 A> / ; A 2 1 / ? I
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[ 98 ]
q ô # + C / E -LearningScript
2 + . A 2 . / A B A 2 1 ATalkToMe
* + F , + @ A @ 2 Dr ô # + C / E -LearningScript
2 + . A 2 . / A B A 2 1 A C 9 2 9 / @hereItIs.s ô # + C / E -
LearningScript2 + : 9 > > 2 1 A
MakeMeTalk()
ó t ô J 9 B A - + < . ? : . / , 2 ? Dó ó ô * > / : ; + @ / @ ) @ / 2 - DWhat just happened?2 1 A + < 2 , < 2 I
� 1 ALearningScript
* + F , + @ A @ 2 : + C A . A 2 . / A B A C 9 B 9 . / 9 = > A 9 @ C : 9 > > A C 9 F A 2 1 + C + @2 1 ATalkToMe
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i j k l m n o p
[ 99 ]
# @ LearningScript:
TalkToMe otherComponent;' B 9 . / 9 = > AotherComponent
/ ? C A : > 9 . A C 2 + ? 2 + . A 9 B 9 > < A + E 2 - , ATalkToMe'
TalkToMe
otherComponentK / @ A 6 5 IotherComponent = GetComponent<TalkToMe>();" A F A F = A . G 2 1 / ? / ? / @ 2 1 A
Start()� 1 A 0 A @ A . / : B A . ? / + @ + E 2 1 AGetComponent<T>()
F A 2 1 + C / ? : 9 > > A C 2 + . A 2 . / A B A 9. A E A . A @ : A 2 + 2 1 ATalkToMe
* + F , + @ A @ 2 + = � A : 2 D � 1 / ? / ? / 2 A F 7 + @ 2 1 A , . A B / + < ? 0 . 9 , 1 / :D� 1 A<T>
, 9 . 2 / ? 2 1 A 2 - , A + E * + F , + @ A @ 2 G 2 1 A : > 9 ? ? @ 9 F A G 2 1 9 2 2 1 A F A 2 1 + C� 1 / ? . A E A . A @ : A / ? ? 2 + . A C / @ 2 1 A B 9 . / 9 = > AotherComponent
TalkToMe� < ? 2 < ? A 2 1 A . A E A . A @ : A ? 2 + . A C / @otherComponent
/ @ ? 2 A 9 C + E 1 9 B / @ 0 2 + < ? AGetComponent<TalkToMe>()
Debug.Log("This is the TalkToMe Component: " + otherComponent);� 1 / ? > / @ A + E : + C A ? A @ C ? 2 1 A B 9 > < A ? 2 + . A C / @otherComponent
2 + 2 1 A ) @ / 2 -TalkToMe
* + F , + @ A @ 2 + = � A : 2K / @ A 4 5 IDebug.Log(otherComponent.hereItIs);¤ + 2 J - @ 2 9 ì / ? < ? A C 2 + > + : 9 2 A 9 @ C . A 2 . / A B A 2 1 A B 9 > < A ? 2 + . A C / @ 2 1 A B 9 . / 9 = > A
hereItIs+ E 2 1 ATalkToMe D� 1 A
hereItIs TalkToMe: > 9 ? ? D
hereItIs/ ?public
? + 2 1 9 2 / 2 : 9 @ = A 9 : : A ? ? A C E . + F + 2 1 A . ? : . / , 2 ? DotherComponent
GetComponent<TalkToMe>().hereItIs A ì 9 F , > A I
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[ 100 ]
� � � ý ÿ ÿ � ý � � ? ú � ý �
K / @ A 4 6 IotherComponent.MakeMeTalk();¤ + 2 J - @ 2 9 ì / ? < ? A C 2 + > + : 9 2 A 9 @ C : 9 > > 2 1 A
MakeMeTalk()F A 2 1 + C + E 2 1 A
TalkToMe* + F , + @ A @ 2 + = � A : 2TalkToMe D
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i j k l m n o p
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# @TalkToMe
Ipublic void MakeMeTalk()� 1 A
MakeMeTalk()F A 2 1 + C / ?
public? + 2 1 9 2 / 2 : 9 @ = A : 9 > > A C E . + F + 2 1 A . ? : . / , 2 ?! 2 ? : + C A = > + : ; ? / F , > - ? A @ C ? 9 ? 2 . / @ 0 + E 2 A ì 2 2 + 2 1 A ) @ / 2 -
LearningScript: > 9 ? ?# @
LearningScriptIK / @ A 4 4 I
}* + C Aif ; A - 9 0 9 / @
TalkToMeT � � � � ü � ü � û � � � �ü � ÿ � ü ÿ � ý ü ú ? ý ü þ ú ü � � ý � ÿ T � � � � ü � ü � ÿ ú ü þ ý ü þ ú û � � ü � Accessing other GameObjects and their Components+ 2 1 A . % 9 F A + = � A : 2 ? G 9 @ C 2 1 A / . * + F , + @ A @ 2 ? < ? / @ 0 ¤ + 2 J - @ 2 9 ì D
Component variable methodor
Dot Syntax for another GameObject
To access the item in :bold
Component6
7GameObject
GameObject
GameObject5
![Page 119: Learning C# by Developing Games... 6XSSRUW ÀOHV H%RRNV GLVFRXQW RIIHUV DQG PRUH z } µ u ] P Z Á v } À ] ] ( } µ } . o v } Á v o } o } D ] Ç } µ l v } Á Z W l } + } } l À](https://reader036.fdocuments.net/reader036/viewer/2022071608/6146c416f4263007b13563a7/html5/thumbnails/119.jpg)
[ 102 ]
ó ô ! @ - + < .Capsule
9 @ CCube
Dõ ô ' C C 9 2 + 2 1 A ? + - + < : 9 @ A 9 ? / > - ? A A 2 1 A % 9 F A # = � A : 2 ? Dö ô 9 ? 9 @ A ì 9 F , > A I
. ô/ ô
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i j k l m n o p
[ 103 ]
Y ôSpinner
? : . / , 2 2 + 2 1 A 9 @ C 2 1 A % 9 F A # = � A : 2 ? Dq ô # + C / E -LeaningScript
r ô J 9 B A 2 1 As ô ! @ ) @ / 2 - G : > / : ; + @ D
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[ 104 ]
What just happened? I
? : . / , 2 @ 9 F A CSpinner% 9 F A # = � A : 2 ? D � 1 A @ - + < : > / : ; + @
Spinner* + F , + @ A @ 2 + = � A : 2 ? 9 . ASpinner
: > 9 ? ? / ? � < ? 2� + 9 : : A ? ? A 9 : 1Spinner
* + F , + @ A @ 2 E . + F 2 1 ALearningScript
* + F , + @ A @ 2 G - + < @ A A CSpinner> ü û � ú � � ý � � � � � � ú � ú ? � � ú T � � � � ü � ü � � � � � � � ÿ � û ý ü � � � ^ ü � �ú � � � � ý ÿ ú � ú ÿ � # @
LearningScriptI
GameObject capsuleGO;' B 9 . / 9 = > A + E 2 - , AGameObject
/ ? C A : > 9 . A C / @ 2 1 ASpinner cubeComp;' B 9 . / 9 = > A + E 2 - , A
Spinner/ ? C A : > 9 . A C
Spinner* + F , + @ A @ 2 + = � A : 2 : . A 9 2 A C E . + F2 1 A
Spinner: > 9 ? ?
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i j k l m n o p
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void Start()� 1 AStart()" A F A F = A . G 2 1 / ? F A 2 1 + C / ? : 9 > > A C + @ > - + @ : AK / @ A 6 6 I
capsuleGO = GameObject.Find("Capsule");� 1 AFind()
F A 2 1 + C + E 2 1 AGameObject
: > 9 ? ? > + : 9 2 A ? 9 % 9 F A # = � A : 2 / @ + < .� 1 A . A E A . A @ : A 2 + 2 1 A % 9 F A # = � A : 2 / ? 9 ? ? / 0 @ A C 2 + 2 1 A B 9 . / 9 = > AcapsuleGO� 1 / ? / ? / 2 A F L / @ 2 1 A , . A B / + < ? 0 . 9 , 1 / : 9 @ C 9 > ? + + @ 2 1 A , . A B / + < ? : + C A ? : . A A @ ? 1 + 2K / @ A 6 4 I
Debug.Log(capsuleGO); % 9 F A # = � A : 2 / ? / @ E 9 : 2 . A E A . A @ : A C/ @ 2 1 A B 9 . / 9 = > AcapsuleGOK / @ A 6 7 I
cubeComp = GameObject.Find("Cube").GetComponent<Spinner>();� 1 / ? . A 2 . / A B A C . A E A . A @ : A 2 + 2 1 ASpinner
* + F , + @ A @ 2 + = � A : 2 / ? + @ 2 1 A% 9 F A # = � A : 2� 1 / ? / ?Debug.Log(cubeComp);
Spinner* + F , + @ A @ 2 / ? , 9 . 2 + E 2 1 A% 9 F A # = � A : 2 G 9 @ C / ? / @ E 9 : 2 . A E A . A @ : A C / @ 2 1 A B 9 . / 9 = > AcubeComp
if(Input.GetKey(KeyCode.LeftArrow)� 1 / ?if! E , . A ? ? A C G K / @ A 4 6 + E 2 1 A : + C A = > + : ; / ? A ì A : < 2 A CK / @ A 4 6 I
capsuleGO.GetComponent<Spinner>().SpinLeft();9 @ + 2 1 A . % 9 F A # = � A : 2 D� 1 ACapsuleGO
% 9 F A # = � A : 2� 1 ASpinner
* + F , + @ A @ 2 + = � A : 2 / ? > + : 9 2 A C + @ 2 1 A % 9 F A # = � A : 2� 1 ASpinLeft()
F A 2 1 + C / ? : 9 > > A C / @ 2 1 ASpinner
* + F , + @ A @ 2 + E 2 1 A% 9 F A # = � A : 2Spinner
* + F , + @ A @ 2 + = � A : 2
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[ 106 ]
public void SpinLeft()� 1 / ? / ? 2 1 ASpinLeft()
F A 2 1 + C : 9 > > A C E . + F 2 1 ALearningScript
+ = � A : 2transform.Rotate(0, 0, 60 * Time.deltaTime);� 1 A
Rotate()F A 2 1 + C + @ 2 1 A
Transform: 9 < ? A ?
transform/ ? < ? A C / @ 2 1 A ¤ + 2 J - @ 2 9 ì? 2 9 2 A F A @ 2 / @ ? 2 A 9 C + E 2 1 A
GetComponent<Transform>()F A 2 1 + C) @ / 2 - 1 9 ? ? A B A . 9 > = < / > 2 ( / @ * + F , + @ A @ 2 ? G ? < : 1 9 ? 2 1 A
Transform* + F , + @ A @ 2 : > 9 ? ?H / @ C 2 1 A
GameObject: > 9 ? ? / @ 2 1 AB 9 . / 9 = > A ? / ? @ 9 F A C
transform! @ ? 2 A 9 C + E 1 9 B / @ 0 2 + < ? A 2 1 AGetComponent()
F A 2 1 + C + @ 9 % 9 F A # = � A : 2 G) @ / 2 - 1 9 ? , . + B / C A C 9 : + @ B A @ / A @ 2 B 9 . / 9 = > A 9 > . A 9 C - 9 ? ? / 0 @ A C 2 1 A B 9 > < A + E 2 1 ATransform
* + F , + @ A @ 2transform
B 9 . / 9 = > A C A ? : . / = A C / @ 2 1 AI
� 1 ARotate()
LearningScript+ = � A : 2 D
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i j k l m n o p
[ 107 ]
On LearningScript:
if(Input.GetKey(KeyCode.RightArrow)� 1 / ?if
capsuleGO.GetComponent<Spinner>().SpinRight();� 1 / ? / ? 9 > F + ? 2 9 @ A ì 9 : 2 . A , A 9 2 + E > / @ A 4 6 G A ì : A , 2 2 1 ASpinRight()
F A 2 1 + C/ ? = A / @ 0 : 9 > > A Cif(Input.GetKey(KeyCode.UpArrow)� 1 / ?
if! E , . A ? ? A C G > / @ A 7 6 + E 2 1 A : + C A = > + : ; / ? A ì A : < 2 A CK / @ A 7 6 IcubeComp.SpinLeft();" A E A . = 9 : ; 2 + > / @ A 6 7 D � 1 A
cubeCompB 9 . / 9 = > A 9 > . A 9 C - ? 2 + . A ? 2 1 A . A E A . A @ : A 2 + 2 1 A% 9 F A # = � A : 2 9 @ C 2 1 A
Spinner* + F , + @ A @ 2 + = � A : 2 G 2 1 A . A E + . A O < ? 2 2 1 A B 9 . / 9 = > A
cubeComp/ ? @ A A C A C / @ 2 1 A ¤ + 2 J - @ 2 9 ì 2 + : 9 > > 2 1 A
SpinLeft()F A 2 1 + C + @ 2 1 A% 9 F A # = � A : 2
if(Input.GetKey(KeyCode.DownArrow)� 1 / ?if! @
LearningScript
SpinLeft()F A 2 1 + C + @ 2 1 A / .
Spinner
cubeComp Spinner* + F , + @ A @ 2 D � 1 A . A / ? @ +capsuleComp
Spinner* + F , + @ A @ 2 D
capsuleComp Spinner
capsuleCompD
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[ 108 ]
Accessing GameObjects using drag-and-drop versus
writing code
� û � ý ü þ � � ú � � � � ý ÿ > / @ A ? + E : + C A / @LearningScript
9 ? ? / 0 @ 2 1 A% 9 F A # = � A : 2 2 + 2 1 A B 9 . / 9 = > AcapsuleGO
< ? / @ 0 C . 9 0 ( 9 @ C ( C . + , Dó ô//
N G + . . A F + B A / 2 Dõ ôpublic
> / ; A 2 1 / ? Ipublic
GameObject capsuleGO;ö ô. ô ! @ ) @ / 2 - G ? A > A : 2 2 1 A % 9 F A # = � A : 2 D/ ô ¤ . 9 0 2 1 A 2 + 2 1 A � � � � � � � � � D � 1 AY ô * > / : ; + @ D
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i j k l m n o p
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B 9 . / 9 = > A D � A: 1 9 @ 0 ALearningScript
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