transformPoint method
- Point<
num> point, - [Point<
num> returnPoint]
Implementation
Point<num> transformPoint(math.Point<num> point, [Point<num> returnPoint]) {
var px = point.x.toDouble();
var py = point.y.toDouble();
var td = m03 * px + m13 * py + m33;
var tx = m00 * px + m10 * py + m30;
var ty = m01 * px + m11 * py + m31;
if (returnPoint is Point) {
returnPoint.setTo(tx / td, ty / td);
return returnPoint;
} else {
return Point<num>(tx / td, ty / td);
}
}