Add Matrix3x4

This commit is contained in:
Wojtek Figat
2021-02-02 15:44:14 +01:00
parent 00fab5cfd6
commit 81cc8cf69c
2 changed files with 62 additions and 54 deletions

View File

@@ -0,0 +1,55 @@
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
#pragma once
#include "Matrix.h"
/// <summary>
/// Helper matrix for optimized float3x4 package of transformation matrices.
/// </summary>
struct FLAXENGINE_API Matrix3x4
{
float M[3][4];
void SetMatrix(const Matrix& m)
{
const float* src = m.Raw;
float* dst = &M[0][0];
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
dst[4] = src[4];
dst[5] = src[5];
dst[6] = src[6];
dst[7] = src[7];
dst[8] = src[8];
dst[9] = src[9];
dst[10] = src[10];
dst[11] = src[11];
}
void SetMatrixTranspose(const Matrix& m)
{
const float* src = m.Raw;
float* dst = &M[0][0];
dst[0] = src[0];
dst[1] = src[4];
dst[2] = src[8];
dst[3] = src[12];
dst[4] = src[1];
dst[5] = src[5];
dst[6] = src[9];
dst[7] = src[13];
dst[8] = src[2];
dst[9] = src[6];
dst[10] = src[10];
dst[11] = src[14];
}
};
template<>
struct TIsPODType<Matrix3x4>
{
enum { Value = true };
};