SIEコード [1160] Matrixのmultiplyメソッドの整理 (Sie-announce) - SIE

Revision: 1160
          http://svn.sourceforge.jp/view?root=sie&view=rev&rev=1160
Author:   dhrname
Date:     2009-05-12 22:50:57 +0900 (Tue, 12 May 2009)

Log Message:
-----------
Matrixのmultiplyメソッドの整理

Modified Paths:
--------------
    branches/04x/047/sie.js

Modified: branches/04x/047/sie.js
===================================================================

--- branches/04x/047/sie.js	2009-05-11 14:22:42 UTC (rev 1159)
+++ branches/04x/047/sie.js	2009-05-12 13:50:57 UTC (rev 1160)
@@ -1494,13 +1494,7 @@
 }
 //Matrix同士の積を算出
 Matrix.prototype.multiply = function matrixmultiply( /*Matrix*/ m) {
-  var a = this.a * m.a + this.c * m.b;
-  var b = this.b * m.a + this.d * m.b;
-  var c = this.a * m.c + this.c * m.d;
-  var d = this.b * m.c + this.d * m.d;
-  var e = this.a * m.e + this.c * m.f + this.e;
-  var f = this.b * m.e + this.d * m.f + this.f;
-  var s = new Matrix(a,b,c,d,e,f);
+  var s = new Matrix(this.a * m.a + this.c * m.b,this.b * m.a + this.d * m.b,this.a * m.c + this.c * m.d,this.b * m.c + this.d * m.d,this.a * m.e + this.c * m.f + this.e,this.b * m.e + this.d * m.f + this.f);
   return s;
 }
 //行列式



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[Sie-announce] SIEコード [1160] Matrixのmultiplyメソッドの整理