来自丁源发的问题
【OpenGL函数glRotatef的问题.glRotatef(30.0f,0.0f,1.0f,0.0f)第一个参数是指什么?表示模型物体绕Y轴逆时针旋转30?还是理解为坐标系顺时针旋转30..?glPushMatrix();glRotatef(ballR,0.0f,1.0f,0.0f);glTranslatef(-0】
OpenGL函数glRotatef的问题.
glRotatef(30.0f,0.0f,1.0f,0.0f)第一个参数是指什么?表示模型物体绕Y轴逆时针旋转30?还是理解为坐标系顺时针旋转30..?
glPushMatrix();
glRotatef(ballR,0.0f,1.0f,0.0f);
glTranslatef(-0.8,0.0f,0.0f);
glColor3ub(255,0,0);
glutSolidSphere(0.1f,15,15);
glPopMatrix();
如何解释球的旋转方向?
