#include <GL/glut.h> void display() { glClear(GL_COLOR_BUFFER_BIT); glColor3f(1.0,1.0,0.0); glBegin(GL_QUAD_STRIP); glVertex3f(0.2, 0.2,0.0); glVertex3f(0.8, 0.2,0.0); glVertex3f(0.2,0.4,0.0); glVertex3f(0.8,0.4,0.0); glVertex3f(0.2,0.8,0.0); glVertex3f(0.8,0.8,0.0); glEnd(); glFlush(); } void init() { glClearColor(0.0,0.5,0.2,0.8); } int main(int argc, char** argv) { glutCreateWindow("simple 3D"); glutDisplayFunc(display); init(); glutMainLoop(); }
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