Method dotProduct

src/scripting/api/Display/Matrix.ts:83–96

(o:Array<number>)

    }

    private dotProduct(o:Array<number>):Array<number> {
      if (o.length < 9) {
        throw new Error('Matrix dot product expects a 3x3 Matrix');
      }
      var res:Array<number> = [0, 0, 0, 0, 0, 0, 0, 0, 0];
      for (var i = 0; i < 3; i++) {
        for (var j = 0; j < 3; j++) {
          for (var k = 0; k < 3; k++) {
            res[i * 3 + j] += this._data[i * 3 + k] * o[k * 3 + j];
          }
        }
      }
      return res;
    }

    public setTo(a:number = 1, b:number = 0, c:number = 0, d:number = 1, tx:number = 0, ty:number = 0):void {
      this._data = [a, c, tx, b, d, ty, 0, 0, 1];