46 lines
1.7 KiB
TypeScript
46 lines
1.7 KiB
TypeScript
import { EffectComposer } from "three/examples/jsm/postprocessing/EffectComposer.js";
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import { RenderPass } from "three/examples/jsm/postprocessing/RenderPass.js";
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import { ShaderPass } from "three/examples/jsm/postprocessing/ShaderPass.js";
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import { FXAAShader } from "three/examples/jsm/shaders/FXAAShader.js";
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import { SkinViewer, SkinViewerOptions } from "./viewer.js";
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export class FXAASkinViewer extends SkinViewer {
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readonly composer: EffectComposer;
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readonly renderPass: RenderPass;
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readonly fxaaPass: ShaderPass;
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/**
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* Note: FXAA doesn't work well with transparent backgrounds.
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* It's recommended to use an opaque background and set `options.alpha` to false.
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*/
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constructor(options: SkinViewerOptions = {}) {
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super(options);
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this.composer = new EffectComposer(this.renderer);
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this.renderPass = new RenderPass(this.scene, this.camera);
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this.fxaaPass = new ShaderPass(FXAAShader);
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this.composer.addPass(this.renderPass);
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this.composer.addPass(this.fxaaPass);
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this.updateComposerSize();
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}
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setSize(width: number, height: number): void {
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super.setSize(width, height);
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if (this.composer !== undefined) {
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this.updateComposerSize();
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}
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}
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private updateComposerSize(): void {
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this.composer.setSize(this.width, this.height);
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const pixelRatio = this.renderer.getPixelRatio();
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this.composer.setPixelRatio(pixelRatio);
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this.fxaaPass.material.uniforms["resolution"].value.x = 1 / (this.width * pixelRatio);
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this.fxaaPass.material.uniforms["resolution"].value.y = 1 / (this.height * pixelRatio);
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}
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render(): void {
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this.composer.render();
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}
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}
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