private void Calculate()
{
// If we have finished an animation, reset the animation state
// We do this here (rather than in Animate()) as we need the
// _currentProcess information in the UpdateStates() function of the
// window and control classes.
float offset = _amount;
if (_tweener != null)
{
offset = _tweener.Tween(_amount, 0.0f, 1.0f, 1.0f);
}
if (_effect == EffectType.Fade)
{
_matrix.SetFader(((float)(_endAlpha - _startAlpha) * offset + _startAlpha) * 0.01f);
}
else if (_effect == EffectType.Slide)
{
_matrix.SetTranslation((_endX - _startX) * offset + _startX, (_endY - _startY) * offset + _startY, 0);
}
else if (_effect == EffectType.RotateX)
{
_matrix.SetXRotation(((_endX - _startX) * offset + _startX) * DEGREE_TO_RADIAN, _centerX, _centerY, 1.0f);
}
else if (_effect == EffectType.RotateY)
{
_matrix.SetYRotation(((_endX - _startX) * offset + _startX) * DEGREE_TO_RADIAN, _centerX, _centerY, 1.0f);
}
else if (_effect == EffectType.RotateZ)
{
if (_clockHandle != ClockHandleType.None)
{
SetClock();
}
_matrix.SetZRotation(((_endX - _startX) * offset + _startX) * DEGREE_TO_RADIAN, _centerX, _centerY,
GUIGraphicsContext.PixelRatio);
}
else if (_effect == EffectType.Zoom)
{
float scaleX = ((_endX - _startX) * offset + _startX) * 0.01f;
float scaleY = ((_endY - _startY) * offset + _startY) * 0.01f;
_matrix.SetScaler(scaleX, scaleY, _centerX, _centerY);
}
}
