step 1 : 從網址下載: sorce , date , win32 ,glut32.dll ( jsyeh.org/3dcg10 )

1.調整顏色glColor3f(1,0,0);
(紅,綠,藍)
程式碼
void display()
{
glColor3f(1,0,0);
glutSolidTeapot(0.3);
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc, argv); //引入程式
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH); //雙視窗
glutCreateWindow("hello 3D"); //視窗名稱
glutDisplayFunc(display); //展示
glutMainLoop();
}

調整背景
#include <GL/glut.h>
void display()
{
glClearColor(1,1,0,0);
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1,0,0);
glutSolidTeapot(0.3);
glutSwapBuffers();
}
int main(int argc ,char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("hello 3D");
glutDisplayFunc(display);
glutMainLoop();
}

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