threepipe
Version:
A 3D viewer framework built on top of three.js in TypeScript with a focus on quality rendering, modularity and extensibility.
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JavaScript
import { _testFinish, DepthBufferPlugin, downloadBlob, HalfFloatType, LoadingScreenPlugin, RenderTargetPreviewPlugin, ThreeViewer, } from 'threepipe';
import { createSimpleButtons } from '../examples-utils/simple-bottom-buttons.js';
const viewer = new ThreeViewer({
canvas: document.getElementById('mcanvas'),
msaa: true,
plugins: [LoadingScreenPlugin],
});
async function init() {
const depthPlugin = viewer.addPluginSync(new DepthBufferPlugin(HalfFloatType));
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,
});
// Disable automatic near/far plane calculation based on scene bounding box
viewer.scene.mainCamera.userData.autoNearFar = false;
viewer.scene.mainCamera.userData.minNearPlane = 1;
viewer.scene.mainCamera.userData.maxFarPlane = 10;
viewer.scene.refreshScene();
const depthTarget = depthPlugin.target;
if (!depthTarget) {
throw new Error('depthPlugin.target returned undefined');
}
// to render depth buffer to screen, uncomment this line:
// viewer.renderManager.screenPass.overrideReadBuffer = depthTarget
const targetPreview = await viewer.addPlugin(RenderTargetPreviewPlugin);
targetPreview.addTarget(() => depthTarget, 'depth');
createSimpleButtons({
['Toggle Depth rendering']: () => {
viewer.renderManager.screenPass.overrideReadBuffer =
viewer.renderManager.screenPass.overrideReadBuffer ? null : depthTarget;
viewer.setDirty();
},
['Download snapshot']: async (btn) => {
btn.disabled = true;
const blob = await viewer.getScreenshotBlob({ mimeType: 'image/png' });
if (blob)
downloadBlob(blob, 'file.png');
else
console.error('Unable to get screenshot');
btn.disabled = false;
},
});
}
init().finally(_testFinish);