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Merge pull request #915 from sapics/matrix-invert

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Fix matrix invert calculation
This commit is contained in:
Jürg Lehni 2016-01-19 09:58:52 +01:00
commit ceaf168f8c
1 changed files with 3 additions and 2 deletions
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5
src/basic/Matrix.js
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@ -442,10 +442,11 @@ var Matrix = Base.extend(/** @lends Matrix# */{
if (det) { if (det) {
this._tx = (this._b * ty - this._d * tx) / det; this._tx = (this._b * ty - this._d * tx) / det;
this._ty = (this._c * tx - this._a * ty) / det; this._ty = (this._c * tx - this._a * ty) / det;
this._d /= det; var d = this._a / det;
this._a = this._d / det;
this._c /= -det; this._c /= -det;
this._b /= -det; this._b /= -det;
this._a /= det; this._d = d;
res = this; res = this;
} }
return res; return res;