mulTransVec2 static method

Vector2 mulTransVec2(
  1. Transform t,
  2. Vector2 v
)

Implementation

static Vector2 mulTransVec2(Transform t, Vector2 v) {
  final pX = v.x - t.p.x;
  final pY = v.y - t.p.y;
  return Vector2(t.q.cos * pX + t.q.sin * pY, -t.q.sin * pX + t.q.cos * pY);
}