大小,顏色以及點線面。
#include <GL/glut.h>
void display()
{
glClearColor(1,1,1,1);
glClear(GL_COLOR_BUFFER_BIT);
//glColor3f(1,1,1);
glBegin(GL_POLYGON); //line //points
glColor3f(1,0,0);
glVertex2f(-1,-1);
glColor3f(0,1,0);
glVertex2f(0.5,1);
glColor3f(0,0,1);
glVertex2f(1,0.5);
glEnd();
glFlush();
}
int main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutCreateWindow("GLUT 01163611");
glutDisplayFunc(display);
glutMainLoop();
}
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