public Matrix GetViewTransformationMatrix()
{
if (isViewTransformationDirty)
{
camTranslationVector.X = -position.X;
camTranslationVector.Y = -position.Y;
Matrix.CreateTranslation(ref camTranslationVector, out camTranslationMatrix);
Matrix.CreateRotationZ(rotation, out camRotationMatrix);
camScaleVector.X = zoom;
camScaleVector.Y = zoom;
camScaleVector.Z = 1;
Matrix.CreateScale(ref camScaleVector, out camScaleMatrix);
resTranslationVector.X = ResolutionIndependentRenderer.VirtualWidth * 0.5f;
resTranslationVector.Y = ResolutionIndependentRenderer.VirtualHeight * 0.5f;
resTranslationVector.Z = 0;
Matrix.CreateTranslation(ref resTranslationVector, out resTranslationMatrix);
transform = camRotationMatrix *
camTranslationMatrix *
camScaleMatrix *
resTranslationMatrix *
ResolutionIndependentRenderer.GetTransformationMatrix();
isViewTransformationDirty = false;
}
return(transform);
}
public Matrix GetViewTransformationMatrix()
{
if (_isViewTransformationDirty)
{
_camTranslationVector.X = -_position.X;
_camTranslationVector.Y = -_position.Y;
Matrix.CreateTranslation(ref _camTranslationVector, out _camTranslationMatrix);
Matrix.CreateRotationZ(_rotation, out _camRotationMatrix);
_camScaleVector.X = _zoom;
_camScaleVector.Y = _zoom;
_camScaleVector.Z = 1;
Matrix.CreateScale(ref _camScaleVector, out _camScaleMatrix);
_resTranslationVector.X = ResolutionIndependentRenderer.VirtualWidth * 0.5f;
_resTranslationVector.Y = ResolutionIndependentRenderer.VirtualHeight * 0.5f;
_resTranslationVector.Z = 0;
Matrix.CreateTranslation(ref _resTranslationVector, out _resTranslationMatrix);
_transform = _camTranslationMatrix *
_camRotationMatrix *
_camScaleMatrix *
_resTranslationMatrix *
ResolutionIndependentRenderer.GetTransformationMatrix();
_isViewTransformationDirty = false;
}
return(_transform);
}