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Bug 1035598 - Add a PostTranslate() method to Matrix4x4. r=mattwoodrow

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This commit is contained in:
Botond Ballo 2014-07-22 18:09:53 -04:00
parent e8f8e0c180
commit 76d325bbe8
1 changed files with 18 additions and 0 deletions
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18
gfx/2d/Matrix.h
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@ -443,6 +443,24 @@ public:
return *this;
}
Matrix4x4 &PostTranslate(Float aX, Float aY, Float aZ)
{
_11 += _14 * aX;
_21 += _24 * aX;
_31 += _34 * aX;
_41 += _44 * aX;
_12 += _14 * aY;
_22 += _24 * aY;
_32 += _34 * aY;
_42 += _44 * aY;
_13 += _14 * aZ;
_23 += _24 * aZ;
_33 += _34 * aZ;
_43 += _44 * aZ;
return *this;
}
bool operator==(const Matrix4x4& o) const
{
// XXX would be nice to memcmp here, but that breaks IEEE 754 semantics