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Improve Matrix constructor to read from arrays too.

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This commit is contained in:
Jürg Lehni 2011-02-15 23:15:28 +00:00
parent 9d1458e6ae
commit 99bde74a10
1 changed files with 11 additions and 3 deletions
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12
src/basic/Matrix.js
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@ -35,18 +35,26 @@ var Matrix = Base.extend({
* @constructor
*/
initialize: function(m00, m10, m01, m11, m02, m12) {
var ok = true;
if (arguments.length == 6) {
this.set(m00, m10, m01, m11, m02, m12);
} else if (arguments == 1) {
var mx = arguments[0];
// TODO: Check for array!
if (mx instanceof Matrix) {
this.set(mx._m00, mx._m10, mx._m01, mx._m11, mx._m02, mx._m12);
} else if (Array.isArray(mx)) {
this.set.apply(this, mx);
} else {
ok = false;
}
} else if (arguments.length) {
throw Error('Insufficient matrix parameters');
ok = false;
} else {
this._m00 = this._m11 = 1;
this._m10 = this._m01 = this._m02 = this._m12 = 0;
}
if (!ok)
throw Error('Unsupported matrix parameters');
},
/**