3629       mult: function(source, target) {
3631         if (source instanceof PVector) {
3632           x = source.x;
3633           y = source.y;
3637         } else if (source instanceof Array) {
3638           x = source[0];
3639           y = source[1];
3700         var source;  variable in PMatrix2D
3702           source = arguments[0].array();
3704           source = Array.prototype.slice.call(arguments);
3706           source = arguments[0];
3714             result[e] += this.elements[row * 3 + 0] * source[col + 0] +
3715                          this.elements[row * 3 + 1] * source[col + 3];
3721         var source;  variable in PMatrix2D
3723           source = arguments[0].array();
3725           source = Array.prototype.slice.call(arguments);
3727           source = arguments[0];
3729         var result = [0, 0, source[2],
3730                       0, 0, source[5]];
3731         result[2] = source[2] + this.elements[2] * source[0] + this.elements[5] * source[1];
3732         result[5] = source[5] + this.elements[2] * source[3] + this.elements[5] * source[4];
3733         result[0] = this.elements[0] * source[0] + this.elements[3] * source[1];
3734         result[3] = this.elements[0] * source[3] + this.elements[3] * source[4];
3735         result[1] = this.elements[1] * source[0] + this.elements[4] * source[1];
3736         result[4] = this.elements[1] * source[3] + this.elements[4] * source[4];
3831       mult: function(source, target) {
3833         if (source instanceof PVector) {
3834           x = source.x;
3835           y = source.y;
3836           z = source.z;
3841         } else if (source instanceof Array) {
3842           x = source[0];
3843           y = source[1];
3844           z = source[2];
3845           w = source[3] || 1;
3872         var source;  variable in PMatrix3D
3874           source = arguments[0].array();
3876           source = Array.prototype.slice.call(arguments);
3878           source = arguments[0];
3888             result[e] += this.elements[col + 0] * source[row * 4 + 0] + this.elements[col + 4] *
3889                          source[row * 4 + 1] + this.elements[col + 8] * source[row * 4 + 2] +
3890                          this.elements[col + 12] * source[row * 4 + 3];
3896         var source;  variable in PMatrix3D
3898           source = arguments[0].array();
3900           source = Array.prototype.slice.call(arguments);
3902           source = arguments[0];
3912             result[e] += this.elements[row * 4 + 0] * source[col + 0] + this.elements[row * 4 + 1] *
3913                          source[col + 4] + this.elements[row * 4 + 2] * source[col + 8] +
3914                          this.elements[row * 4 + 3] * source[col + 12];