protected override ICollider CreateCollider(IBody body)
{
var pointsInMeters = new Vector2[Points.Length];
for (int i = 0; i < Points.Length; i++)
{
pointsInMeters[i] = Physics.PixelsToMeters(Points[i]);
}
return(body.AddPolygonCollider(Physics.PixelsToMeters(Position), pointsInMeters));
}
private void UpdateColliders()
{
if (Scene == null)
{
return;
}
_body = Scene.World.CreateStaticBody();
var offset = -((TileMap.Size * TileMap.TileSize).ToVector2() * 0.5f);
for (int y = 0; y < TileMap.Size.y; y++)
{
for (int x = 0; x < TileMap.Size.x; x++)
{
var tile = Layer.Tiles[x + y * TileMap.Size.x];
if (null == tile)
{
continue;
}
if (tile.Polygons != null && tile.Polygons.Length > 0)
{
foreach (var polygon in tile.Polygons)
{
var collider = _body.AddPolygonCollider(
Physics.PixelsToMeters(offset + new Vector2(x * TileMap.TileSize.x, y * TileMap.TileSize.y)), polygon.Points);
if (polygon.Properties.TryGetValue("Layer", out var polygonLayer))
{
collider.CollisionMask = (uint)(1 << Physics.NameToLayer(polygonLayer));
collider.CollidesWithMask = Physics.GetLayerCollisionMask(Physics.NameToLayer(polygonLayer));
}
}
}
if (tile.Properties.TryGetValue("Layer", out var layer))
{
var collider = _body.AddBoxCollider(
Physics.PixelsToMeters(offset + new Vector2((x + 0.5f) * TileMap.TileSize.x, (y + 0.5f) * TileMap.TileSize.y)),
Physics.PixelsToMeters(TileMap.TileSize.ToVector2()));
collider.CollisionMask = (uint)(1 << Physics.NameToLayer(layer));
collider.CollidesWithMask = Physics.GetLayerCollisionMask(Physics.NameToLayer(layer));
}
}
}
_body.Position = Position;
}
