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#ifndef _ASURA_MATRIX_H_
#define _ASURA_MATRIX_H_
#include <asura-base/Classes.h>
#include "../Scripting/Scripting.h"
namespace_begin(AsuraEngine)
namespace_begin(Math)
/// ҪתõOpenGLglm::mat4
/// https://blog.csdn.net/candycat1992/article/details/8830894
class Matrix44
{
public:
static const Matrix44 Identity;
Matrix44();
Matrix44(const Matrix44& m);
~Matrix44();
void operator = (const Matrix44& m);
void SetOrtho(float _left, float _right, float _bottom, float _top, float _near, float _far);
Matrix44 operator * (const Matrix44 & m) const;
void operator *= (const Matrix44 & m);
const float* GetElements() const;
void SetIdentity();
void SetTranslation(float x, float y);
void SetRotation(float r);
void SetScale(float sx, float sy);
void SetShear(float kx, float ky);
void SetTransformation(float x, float y, float angle, float sx, float sy, float ox, float oy);
void Translate(float x, float y);
void Rotate(float r);
void Scale(float sx, float sy);
void Transform(float x, float y, float angle, float sx, float sy, float ox, float oy);
///
/// Multiplies this Matrix44 with a shear transformation.
/// @param kx Shear along the x-axis.
/// @param ky Shear along the y-axis.
///
void Shear(float kx, float ky);
void Ortho(float left, float right, float bottom, float top, float near, float far);
/////
///// Transforms an array of vertices by this Matrix44. The sources and
///// destination arrays may be the same.
/////
///// @param dst Storage for the transformed vertices.
///// @param src The source vertices.
///// @param size The number of vertices.
/////
//void transform(Graphics::Vertex* dst, const Graphics::Vertex * src, int size) const;
///
/// ʽ
///
float Calculate();
private:
///
/// | e0 e4 e8 e12 |
/// | e1 e5 e9 e13 |
/// | e2 e6 e10 e14 |
/// | e3 e7 e11 e15 |
///
float e[16];
};
namespace_end
namespace_end
namespace AEMath = AsuraEngine::Math;
#endif
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