three.js添加效果合成，抗锯齿，发光效果

three.js添加效果合成，抗锯齿，发光，故障效果

effectComposer = new EffectComposer(renderer);

抗锯齿

effectComposer.addPass(new SMAAPass());

发光

effectComposer.addPass(new UnrealBloomPass());

故障

effectComposer.addPass(new GlitchPass());