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Merge pull request #17 from bvisness/add-mat4

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Implement addition for mat4's
This commit is contained in:
Zak Strange
2016-08-20 21:29:45 -04:00
committed by GitHub
parent ed4aef49e1 31a6bd200b
commit afba6f4631
1 changed files with 36 additions and 0 deletions
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36
HandmadeMath.h
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@@ -357,6 +357,7 @@ HMMDEF hmm_vec4 HMM_DivideVec4(hmm_vec4 Left, hmm_vec4 Right);
HMMDEF hmm_mat4 HMM_Mat4(void);
HMMDEF hmm_mat4 HMM_Mat4d(float Diagonal);
HMMDEF hmm_mat4 HMM_AddMat4(hmm_mat4 Left, hmm_mat4 Right);
HMMDEF hmm_mat4 HMM_MultiplyMat4(hmm_mat4 Left, hmm_mat4 Right);
HMMDEF hmm_vec4 HMM_MultiplyMat4ByVec4(hmm_mat4 Matrix, hmm_vec4 Vector);
@@ -395,6 +396,7 @@ HMMDEF hmm_vec4 HMM_Divide(int X, int Y, int Z, int W);
HMMDEF hmm_vec2 operator+(hmm_vec2 Left, hmm_vec2 Right);
HMMDEF hmm_vec3 operator+(hmm_vec3 Left, hmm_vec3 Right);
HMMDEF hmm_vec4 operator+(hmm_vec4 Left, hmm_vec4 Right);
HMMDEF hmm_mat4 operator+(hmm_mat4 Left, hmm_mat4 Right);
HMMDEF hmm_vec2 operator-(hmm_vec2 Left, hmm_vec2 Right);
HMMDEF hmm_vec3 operator-(hmm_vec3 Left, hmm_vec3 Right);
@@ -836,6 +838,24 @@ HMM_Mat4d(float Diagonal)
return (Result);
}
HINLINE hmm_mat4
HMM_AddMat4(hmm_mat4 Left, hmm_mat4 Right)
{
hmm_mat4 Result;
int Rows;
for (Rows = 0; Rows < 4; ++Rows)
{
int Columns;
for (Columns = 0; Columns < 4; ++Columns)
{
Result.Elements[Rows][Columns] = Left.Elements[Rows][Columns] + Right.Elements[Rows][Columns];
}
}
return (Result);
}
hmm_mat4
HMM_MultiplyMat4(hmm_mat4 Left, hmm_mat4 Right)
{
@@ -1019,6 +1039,14 @@ Add(hmm_vec4 Left, hmm_vec4 Right)
return (Result);
}
HINLINE hmm_mat4
Add(hmm_mat4 Left, hmm_mat4 Right)
{
hmm_mat4 Result = HMM_AddMat4(Left, Right);
return (Result);
}
HINLINE hmm_vec2
Subtract(hmm_vec2 Left, hmm_vec2 Right)
{
@@ -1131,6 +1159,14 @@ operator+(hmm_vec4 Left, hmm_vec4 Right)
return (Result);
}
HINLINE hmm_mat4
operator+(hmm_mat4 Left, hmm_mat4 Right)
{
hmm_mat4 Result = Add(Left, Right);
return (Result);
}
HINLINE hmm_vec2
operator-(hmm_vec2 Left, hmm_vec2 Right)
{