add(path, image) {
		this._wanted.add(path);
		let texture = this._textures[path];
		if (texture === undefined) {
			texture = create_texture(this._context, image);
			this._textures[path] = texture;
		}
		return texture;
	}
// add and mark as wanted.
add and mark as wanted.
add and mark as wanted .
add(path, image) {
		this._wanted.add(path);
		let texture = this._textures[path];
		if (texture === undefined) {
			texture = create_texture(this._context, image);
			this._textures[path] = texture;
		}
		return texture;
	}
add ( path , image ) { this . _wanted . add ( path ) ; let texture = this . _textures [ path ] ; if ( texture === undefined ) { texture = create_texture ( this . _context , image ) ; this . _textures [ path ] = texture ; } return texture ; }
add and mark as wanted.
add and mark as wanted .