void CCamera::RotateY (GLfloat Angle)
{
RotatedY += Angle;
//Rotate viewdir around the up vector:
ViewDir = Normalize3dVector(ViewDir*cos(Angle*float(PIdiv180))
- RightVector*sin(Angle*float(PIdiv180)));
//now compute the new RightVector (by cross product)
RightVector = CrossProduct(&ViewDir, &UpVector);
}
void CCamera::RotateZ (GLfloat Angle)
{
RotatedZ += Angle;
//Rotate viewdir around the right vector:
RightVector = Normalize3dVector(RightVector*cos(Angle*PIdiv180)
+ UpVector*sin(Angle*PIdiv180));
//now compute the new UpVector (by cross product)
UpVector = CrossProduct(&ViewDir, &RightVector)*-1;
}
void GlCamera::rotateX (GLfloat angle)
{
rotatedX += angle;
//Rotate viewdir around the right vector:
viewDir = Normalize3dVector(viewDir*cos(angle*PIdiv180)
+ upVector*sin(angle*PIdiv180));
//now compute the new UpVector (by cross product)
upVector = CrossProduct(&viewDir, &rightVector)*-1;
}
