src/graphics/webgl-layer.js
function(e) {
        if (typeof e._glBufferIndex === "number")
            this._registryHoles.push(e._glBufferIndex);
        e._glBufferIndex = null;
    }
function(e) {
        if (typeof e._glBufferIndex === "number")
            this._registryHoles.push(e._glBufferIndex);
        e._glBufferIndex = null;
    }
function ( e ) { if ( typeof e . _glBufferIndex === "number" ) this . _registryHoles . push ( e . _glBufferIndex ) ; e . _glBufferIndex = null ; }
remove an entity; allow its buffer index to be reused
remove an entity ; allow its buffer index to be reused