private void CollectTilePolygons()
{
if (!m_Tile.m_CollisionObjects.IsEmpty())
{
foreach (var collision in m_Tile.m_CollisionObjects)
{
var tilePoly = new TilePolygon();
tilePoly.IsClosed = collision.IsClosed;
tilePoly.ColliderLayerName = collision.m_PhysicsLayer;
tilePoly.ColliderLayerId = LayerMask.NameToLayer(collision.m_PhysicsLayer);
tilePoly.IsTrigger = m_ImportContext.GetIsTriggerOverridable(collision.m_IsTrigger);
var points = m_ImportContext.MakePointsPPU(collision.Points);
points = points.Select(pt => (Vector2)m_Transform.MultiplyPoint(pt)).ToArray();
// Make sure the polygon points order is still CCW. Otherwise clipper may subtract polygons from each other.
if (PolygonUtils.SumOverEdges(points) < 0)
{
points = points.Reverse().ToArray();
}
tilePoly.Points = points;
m_Polygons.Add(tilePoly);
}
}
}
public static void AddCollider(this CollisionObject collision, SuperTile tile, GameObject goParent, SuperImportContext importContext)
{
var go = new GameObject(collision.m_ObjectName);
if (collision.CollisionShapeType == CollisionShapeType.Polygon)
{
AddPolygonCollider(go, collision, tile, importContext);
}
else if (collision.CollisionShapeType == CollisionShapeType.Polyline)
{
AddEdgeCollider(go, collision, tile, importContext);
}
else if (collision.CollisionShapeType == CollisionShapeType.Ellipse)
{
AddEllipseCollider(go, collision, tile, importContext);
}
else if (collision.CollisionShapeType == CollisionShapeType.Rectangle)
{
AddBoxCollider(go, collision, tile, importContext);
}
// Additional settings on the collider that was just added
var addedCollider = go.GetComponent <Collider2D>();
if (addedCollider != null)
{
addedCollider.isTrigger = importContext.GetIsTriggerOverridable(collision.m_IsTrigger);
}
goParent.AddChildWithUniqueName(go);
}