Created
July 11, 2014 19:14
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| import opengl | |
| import glut | |
| proc paint() {.cdecl.} = | |
| glClearColor(0.3,0.3,0.3,0.0) | |
| glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT) | |
| glShadeModel(GL_SMOOTH) | |
| glLoadIdentity() | |
| glTranslatef(-15.0, -15.0, 0.0) | |
| glBegin(GL_TRIANGLES) | |
| glColor3f(1.0, 0.0, 0.0) | |
| glVertex2f(0.0, 0.0) | |
| glColor3f(0.0, 1.0, 0.0) | |
| glVertex2f(30.0, 0.0) | |
| glColor3f(0.0, 0.0, 1.0) | |
| glVertex2f(0.0, 30.0) | |
| glEnd() | |
| glFlush() | |
| proc reshape(width, height) {.cdecl.} = | |
| glViewport(0, 0, width, height) | |
| glMatrixMode(GL_PROJECTION) | |
| glLoadIdentity() | |
| glOrtho(-30.0, 30.0, -30.0, 30.0, -30.0, 30.0) | |
| glMatrixMode(GL_MODELVIEW) | |
| glutInit() | |
| glutInitWindowSize(640, 480) | |
| discard glutCreateWindow("Triangle") | |
| glutDisplayFunc(paint) | |
| glutReshapeFunc(reshape) | |
| glutMainLoop() |
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