mirror of
https://github.com/luanti-org/luanti.git
synced 2025-06-27 16:36:03 +00:00
44 lines
788 B
C
44 lines
788 B
C
|
#pragma once
|
||
|
|
|
||
|
|
#include "irrMath.h"
|
||
|
|
#include <matrix4.h>
|
||
|
|
#include <variant>
|
||
|
|
#include <vector3d.h>
|
||
|
|
#include <quaternion.h>
|
||
|
|
|
||
|
|
namespace irr
|
||
|
|
{
|
||
|
|
namespace core
|
||
|
|
{
|
||
|
|
|
||
|
|
struct Transform {
|
||
|
|
vector3df translation;
|
||
|
|
quaternion rotation;
|
||
|
|
vector3df scale{1};
|
||
|
|
|
||
|
|
// Tries to decompose the matrix, if there is one.
|
||
|
|
static Transform decompose(const core::matrix4 &mat)
|
||
|
|
{
|
||
|
|
auto scale = mat.getScale();
|
||
|
|
return {
|
||
|
|
mat.getTranslation(),
|
||
|
|
quaternion(mat.getRotationDegrees(scale) * DEGTORAD),
|
||
|
|
scale,
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
matrix4 buildMatrix() const
|
||
|
|
{
|
||
|
|
matrix4 T;
|
||
|
|
T.setTranslation(translation);
|
||
|
|
matrix4 R;
|
||
|
|
// TODO this is sussy. probably shouldn't be doing this.
|
||
|
|
rotation.getMatrix_transposed(R);
|
||
|
|
matrix4 S;
|
||
|
|
S.setScale(scale);
|
||
|
|
return T * R * S;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace core
|
||
|
|
} // end namespace irr
|