bool MayaCamera::MouseDrag(int button, int x, int y, const ModifierKeys& mods)
{
if (mods.alt)
{
int dx = x - prevx;
int dy = y - prevy;
if (button == MOUSE_LEFT_BUTTON)
{
OrbitLeft(-dx * orbitSpeed);
OrbitUp(dy * orbitSpeed);
}
else if (button == MOUSE_MIDDLE_BUTTON)
{
DollyLeft(dx * dollySpeed);
DollyUp(dy * dollySpeed);
}
else if (button == MOUSE_RIGHT_BUTTON)
{
int val = (abs(dx) > abs(dy) ? dx : dy);
Zoom(val * zoomSpeed);
}
prevx = x;
prevy = y;
return true;
}
return false;
}
void ArcBallCameraController::RotateTargetUp(float angle_)
{
m_bRecomputeViewMatrix = true;
Quaternion rot;
rot.FromAxisAngle(Right(), angle_);
Vector3F dir = Direction() * m_fDistance;
Vector3F vec;
rot.Transform(dir, vec);
//Vector3F::Transform(dir, rot, vec);
m_Target += vec - dir;
OrbitUp(-angle_);
}