- override
Evaluates this display object to see if the coordinates localX and
localY are inside this display object.
If the coordinates are inside, this display object is returned; null otherwise.
localX and localY are relative to to the origin (0,0) of this
display object (local coordinates).
Source
@override
DisplayObject hitTestInput(num localX, num localY) {
if (this.hitTestState == null) return null;
Matrix matrix = hitTestState.transformationMatrix;
num deltaX = localX - matrix.tx;
num deltaY = localY - matrix.ty;
num childX = (matrix.d * deltaX - matrix.c * deltaY) / matrix.det;
num childY = (matrix.a * deltaY - matrix.b * deltaX) / matrix.det;
return hitTestState.hitTestInput(childX, childY) != null ? this : null;
}