system/output/videooutput.js
function() {
		if ( !this.force2D && WebGLRenderer.isSupported( this.el ) ) {
			this.renderer = new WebGLRenderer( this.el );
		} else if ( Canvas2DRenderer.isSupported( this.el ) ) {
			this.renderer = new Canvas2DRenderer( this.el );
		} else {
			throw new Error( "No supported renderer!" );
		}
	}
function() {
		if ( !this.force2D && WebGLRenderer.isSupported( this.el ) ) {
			this.renderer = new WebGLRenderer( this.el );
		} else if ( Canvas2DRenderer.isSupported( this.el ) ) {
			this.renderer = new Canvas2DRenderer( this.el );
		} else {
			throw new Error( "No supported renderer!" );
		}
	}
function ( ) { if ( ! this . force2D && WebGLRenderer . isSupported ( this . el ) ) { this . renderer = new WebGLRenderer ( this . el ) ; } else if ( Canvas2DRenderer . isSupported ( this . el ) ) { this . renderer = new Canvas2DRenderer ( this . el ) ; } else { throw new Error ( "No supported renderer!" ) ; } }
Initialize renderer.
Initialize renderer .