nge',this.onStackingDistanceChange_.bind(this));stackingDistanceSlider.addEventListener('input',this.onStackingDistanceChange_.bind(this));this.trackMouse_();this.camera_=new tr.ui.b.Camera(this.mouseModeSelector_);this.camera_.addEventListener('renderrequired',this.onRenderRequired_.bind(this));this.cameraWasReset_=false;this.camera_.canvas=this.canvas_;this.viewportRect_=tr.b.math.Rect.fromXYWH(0,0,0,0);this.pixelRatio_=window.devicePixelRatio||1;},updateHeaderVisibility_(){if(this.headerText)...