threepipe/examples/ssao-plugin/script.js

A 3D viewer framework built on top of three.js in TypeScript with a focus on quality rendering, modularity and extensibility.

import { _testFinish, LoadingScreenPlugin, RenderTargetPreviewPlugin, SSAAPlugin, SSAOPlugin, ThreeViewer, UnsignedByteType, } from 'threepipe';
import { TweakpaneUiPlugin } from '@threepipe/plugin-tweakpane';
const viewer = new ThreeViewer({
    canvas: document.getElementById('mcanvas'),
    msaa: true,
    plugins: [SSAAPlugin, LoadingScreenPlugin],
    tonemap: false,
});
async function init() {
    const ssaoPlugin = viewer.addPluginSync(new SSAOPlugin(UnsignedByteType, 1));
    await viewer.setEnvironmentMap('https://threejs.org/examples/textures/equirectangular/venice_sunset_1k.hdr');
    await viewer.load('https://threejs.org/examples/models/gltf/kira.glb', {
        autoCenter: true,
        autoScale: true,
    });
    const ssaoTarget = ssaoPlugin.target;
    if (!ssaoTarget) {
        throw new Error('ssaoPlugin.target returned undefined');
    }
    // to render ssao buffer to screen, uncomment this line:
    // viewer.renderManager.screenPass.overrideReadBuffer = ssaoTarget
    // or set a custom pipeline
    // viewer.renderManager.autoBuildPipeline = false
    // viewer.renderManager.pipeline = ['gbuffer', 'ssao', 'screen']
    const targetPreview = await viewer.addPlugin(RenderTargetPreviewPlugin);
    targetPreview.addTarget(() => ssaoTarget, 'ssao', false, true, true, (s) => `${s} = vec4(${s}.r);`);
    const ui = viewer.addPluginSync(TweakpaneUiPlugin, true);
    ui.setupPluginUi(SSAOPlugin);
}
init().finally(_testFinish);