有糖綠茶Week14

 

glutTimerFunc(X,timer,X)是設定鬧鐘

glutPostRedisplay()重置畫面

加上

glutKeyboardFunc(keyboard);

跟

void keyboard(unsigned char key,int x,int y)

{

    glutTimerFunc(0,timer,0);

}

按空白鍵播放

glutMouseFunc(mouse);

void mouse(int button,int state,int x,int y)

{

    if(state==GLUT_DOWN)oldAngle=x;

    if(state==GLUT_UP)newAngle=x;

    glutPostRedisplay();

}

這是用來轉動茶壺

glutMotionFunc(motion);

void motion(int x,int y)

{

    angle=x;

    glutPostRedisplay();

}

這是更新角度

找出旋轉的坐標

放回正確位置


程式:https://github.com/greentearoy/2023graphicsa