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minor matrix function

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This commit is contained in:
Vladislav Khorev 2013-05-27 20:15:24 +00:00
parent efad72f2ac
commit 925225df0e
3 changed files with 15 additions and 0 deletions
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1
Salmon Engine/Salmon Engine.vcxproj
View File

@ -57,6 +57,7 @@
<ClInclude Include="..\include\Utils\Network\SignalSender.h" />
<ClInclude Include="..\include\Utils\PngHelper.h" />
<ClInclude Include="..\include\Utils\SerializeInterface\SerializeInterface.h" />
<ClInclude Include="..\include\Utils\SimpleTimer.h" />
<ClInclude Include="..\include\Utils\TgaLoader.h" />
<ClInclude Include="..\include\Utils\ThreadUtils.h" />
<ClInclude Include="..\include\Utils\ThreadUtilsImpl.h" />

2
include/Utils/DataTypes/NewDataTypes.h
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@ -168,6 +168,8 @@ typedef tmat3<float> mat3;
mat3 TransposeMatrix(const mat3& m);
mat3 InverseMatrix(const mat3& m);
mat3 CreateZRotationMatrix(float angle);
//Outside:
inline vec2 operator*(const vec2& a, float c)
{

12
src/Utils/DataTypes/NewDataTypes.cpp
View File

@ -53,5 +53,17 @@ mat3 InverseMatrix(const mat3& m)
return r;
}
mat3 CreateZRotationMatrix(float angle)
{
mat3 result = IdentityMatrix;
result.m[0] = cosf(angle);
result.m[1] = -sinf(angle);
result.m[3] = sinf(angle);
result.m[4] = cosf(angle);
return result;
}
} //namespace SE