globalVertices method

List<Vector2> globalVertices()

gives back the shape vectors multiplied by the size and scale

Implementation

List<Vector2> globalVertices() {
  final scale = absoluteScale;
  final shouldReverse = scale.y.isNegative ^ scale.x.isNegative;
  final angle = absoluteAngle;
  final position = absoluteTopLeftPosition;
  if (!_cachedGlobalVertices.isCacheValid<dynamic>(<dynamic>[
    position,
    size,
    scale,
    angle,
  ])) {
    for (var i = 0; i < _vertices.length; i++) {
      _globalVertices[i].setFrom(absolutePositionOf(_vertices[i]));
    }
    if (shouldReverse) {
      // Since the list will be clockwise we have to reverse it for it to
      // become counterclockwise.
      _reverseList(_globalVertices);
    }
    _cachedGlobalVertices.updateCache<dynamic>(
      _globalVertices,
      <dynamic>[position.clone(), size.clone(), scale.clone(), angle],
    );
  }
  return _cachedGlobalVertices.value!;
}