Sun-Jeong Kim

OpenGL Programming (1)

10th Week, 2008

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Getting Started – VS.net

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New Project

Visual C++Win32 Application

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Application Settings

Empty project

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“Prac06” Solution

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Downloading “main1.cpp”

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Adding the Source Code (1)

Project Add Existing Item

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Adding the Source Code (2)

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Linking the Library Files

Project PropertiesConfiguration Properties Linker Input

Additional Dependencies: opengl32.lib glu32.libopengl32.lib glu32.lib

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실행 결과 – “main1.cpp”

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Includes, Global Variables, and Prototypes

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Window Procedure (1)

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Window Procedure (2)

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bSetupPixelFormat( )

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Resize( ) and DrawScene( )

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연습 문제 (1)

메뉴를 추가하시오.

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Drawing Modes (1)

Points

Lines

Triangles

Rectangles

N-Polygons

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Drawing Modes (2)

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Drawing Modes (3)

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Drawing Modes (4)

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실행 결과 – Drawing Modes

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Points in OpenGL

glBegin(GL_POINTS);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

glBegin(GL_POINTS);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

p0p1

p2

p3

p4

p5

p6

p7

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Lines in OpenGL (1)

Line Segments

glBegin(GL_LINES);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

glBegin(GL_LINES);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

p0p1

p2

p3

p4

p5

p6

p7

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Lines in OpenGL (2)

Polylines – Line Loop

glBegin(GL_LINE_LOOP);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

glBegin(GL_LINE_LOOP);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

p0p1

p2

p3p4

p5

p6

p7

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Polygons in OpenGL (1)

Triangles

glBegin(GL_TRIANGLES);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

glBegin(GL_TRIANGLES);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

p0p1

p2

p3p4

p5

p6

p7

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Polygons in OpenGL (2)

Quadrilaterals

glBegin(GL_QUADS);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

glBegin(GL_QUADS);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

p0p1

p2

p3p4

p5

p6

p7

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Polygons in OpenGL (3)

Polygon

glBegin(GL_POLYGON);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

glBegin(GL_POLYGON);

glVertex2fv(p0);

glVertex2fv(p1);

glVertex2fv(p2);

glVertex2fv(p3);

glVertex2fv(p4);

glVertex2fv(p5);

glVertex2fv(p6);

glVertex2fv(p7);

glEnd();

p0p1

p2

p3p4

p5

p6

p7

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Drawing Points (1)

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Drawing Points (2)

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Drawing Points (3)

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Drawing Points (4)

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Drawing Points (5)

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실행 결과 – Drawing Points

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연습 문제 (2)

다음 도형들을 마우스로 이용하여 점의 위치를 입력 받고, OpenGL 함수를 이용하여 그리시오.

Lines (선분)

Triangles (삼각형)

Rectangles (직사각형)

N-Polygons (다각형)