Attachment 31482 Details for Bug 25297 – program draws two triangles to form a square

program draws two triangles to form a square

test.c (text/x-csrc), 1008 bytes, created by Rafael Monica on 2009-11-26 06:06:25 UTC

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Creator: Rafael Monica

Created: 2009-11-26 06:06:25 UTC

Size: 1008 bytes

patch

obsolete

>/* gcc -Wall -o test test.c -lGL -lglut */
>#include <GL/gl.h>
>#include <GL/glut.h>
>
>void display()
>{
>    glClear (GL_COLOR_BUFFER_BIT);
>    
>    glBegin(GL_TRIANGLES);
>        glColor3f (1.0, 0.0, 0.0);
>
>        glEdgeFlag(GL_TRUE);
>        glVertex3f (0.25, 0.75, 0.0);
>        glVertex3f (0.25, 0.25, 0.0);
>        glEdgeFlag(GL_FALSE);
>        glVertex3f (0.75, 0.25, 0.0);
>
>        glVertex3f (0.25, 0.75, 0.0);
>        glEdgeFlag(GL_TRUE);
>        glVertex3f (0.75, 0.25, 0.0);
>        glVertex3f (0.75, 0.75, 0.0);
>    glEnd();
>    
>    glFlush();
>}
>
>void init ()
>{
>    glClearColor (0.0, 0.0, 0.0, 1.0);
>    glPolygonMode(GL_FRONT, GL_LINE);
>
>    glMatrixMode(GL_PROJECTION);
>    glLoadIdentity();
>    glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
>}
>
>int main(int argc, char** argv)
>{
>    glutInit(&argc, argv);
>    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
>    glutInitWindowSize (250, 250);
>    glutCreateWindow ("Test");
>    init ();
>    glutDisplayFunc(display);
>    glutMainLoop();
>    return 0;
>}

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Attachments on bug 25297: 31482 | 31642

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