void GetMM(M4* result, V3 pos, V3 rot)
{
M4 rotation;
M4 translation;
GetRotationMatrix(&rotation, rot);
GetTranslationMatrix(&translation, pos);
MatrixMult(result, translation, rotation);
}
void TransformObject::GetWorldTransform(Matrix4f & outM) const
{
Matrix4f posM, rotM, scaleM;
GetTranslationMatrix(posM);
GetRotationMatrix(rotM);
GetScaleMatrix(scaleM);
Matrix4f ret = Matrix4f::Multiply(posM, rotM, scaleM);
outM.SetValues(&ret);
}
void TransformObject::GetWorldTransform(Matrix4f & outM) const
{
//TODO: Figure out the math for making one matrix instead of multiplying the pos, rot, and scale matrices.
Matrix4f posM, rotM, scaleM;
GetTranslationMatrix(posM);
GetRotationMatrix(rotM);
GetScaleMatrix(scaleM);
Matrix4f ret = Matrix4f::Multiply(posM, rotM, scaleM);
outM.Set(ret);
}
inline Matrix3 GetToClipspaceTransform(const FSize& destFrame,
const FPoint& sourcePoint,
bool swapHeightSign) {
// (Position / Resolution) * 2 - 1
auto toClipspace = Matrix3{
2.0f / destFrame.width, 0.0f, -1.0f,
0.0f, (swapHeightSign ? -2.0f : 2.0f) / destFrame.height,
(swapHeightSign ? 1.0f : -1.0f),
0.0f, 0.0f, 1.0f
};
return toClipspace * GetTranslationMatrix(-sourcePoint.x, -sourcePoint.y);
}
a2de::Matrix3x3 Matrix3x3::GetTranslationMatrix(const Vector2D& pos) {
return GetTranslationMatrix(pos.GetX(), pos.GetY());
}
inline constexpr Matrix3 GetTranslationMatrix(const FPoint& point) {
return GetTranslationMatrix(point.x, point.y);
}
