week10 鍵盤控制

#include<GL/glut.h>
float angleX=0;
void keyboard(unsigned char key,int x,int y)
{
 if(key=='a')angleX+=3;
 if(key=='b')angleX-=3;
 glutPostRedisplay();//改變角度後，重新re-display顯示
}
void display()
{
 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 glPushMatrix();
  glRotatef(angleX,0,1,0);
  glutSolidTeapot(0.3);
 glPopMatrix();
 glutSwapBuffers();

}
int main()
{
 glutInitDisplayMode(GLUT_DOUBLE |GLUT_DEPTH);
 glutCreateWindow("week10");

 glutDisplayFunc(display);
 glutKeyboardFunc(keyboard);

 glutMainLoop();

}