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Initial checkin

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Brian Fiete 2019-08-23 11:56:54 -07:00
parent c74712dad9
commit 078564ac9e
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BeefySysLib/util/Matrix4.cpp Normal file
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#include "Matrix4.h"
#include "Quaternion.h"
USING_NS_BF;
Matrix4 Matrix4::sIdentity(
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f);
Matrix4 Matrix4::CreateTransform(const Vector3& position, const Vector3& scale, const Quaternion& orientation)
{
// Ordering:
// 1. Scale
// 2. Rotate
// 3. Translate
Matrix4 rot = orientation.ToMatrix();
return Matrix4(
scale.mX * rot.m00, scale.mY * rot.m01, scale.mZ * rot.m02, position.mX,
scale.mX * rot.m10, scale.mY * rot.m11, scale.mZ * rot.m12, position.mY,
scale.mX * rot.m20, scale.mY * rot.m21, scale.mZ * rot.m22, position.mZ,
0, 0, 0, 1);
}