刪掉原先的程式碼
打上新的程式碼
#include <GL/glut.h>
void display()
{
glutSolidTeapot(0.3);
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("Week02");
glutDisplayFunc(display);
glutMainLoop();
}

改顏色
#include <GL/glut.h>
void display()
{
glColor3f(1,0,0); ←***新增這行***
glutSolidTeapot(0.3);
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("Week02");
glutDisplayFunc(display);
glutMainLoop();
}

點線面
#include <GL/glut.h>
void display()
{
glBegin(GL_POLYGON);
glColor3f(1,0,0);glVertex2f(1,0);
glColor3f(0,1,0);glVertex2f(-1,1);
glColor3f(0,0,1);glVertex2f(-1,-1);
glEnd();
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("Week02");
glutDisplayFunc(display);
glutMainLoop();
}

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