src/Layer.js
/**
     * Custom Layer API: `render` function
     */
Custom Layer API: `render` function
Custom Layer API : ` render ` function
render (gl, matrix) {
        this._paintLayer();
        if (this.isAnimated()) {
            this._needRefresh();
        }
    }
render ( gl , matrix ) { this . _paintLayer ( ) ; if ( this . isAnimated ( ) ) { this . _needRefresh ( ) ; } }
Custom Layer API: `render` function
Custom Layer API : ` render ` function