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Showing content from https://github.com/pmndrs/react-three-gpu-pathtracer below:

pmndrs/react-three-gpu-pathtracer: ⚡️ A React abstraction for the popular three-gpu-pathtracer


react-three-gpu-pathtracer

This demo is real, you can click it! It contains full code, too. 📦

GameBoy model by (@kleingeo) on Sketchfab . GameBoy Cartridge by (@MeBob) on Sketchfab .

react-three-gpu-pathtracer lets you render your react-three-fiber scenes using Path Tracing! It is as simple as

import { Pathtracer } from "@react-three/gpu-pathtracer";

function GradientSphere() {
  return (
    <Canvas>
      <Pathtracer>{/* Your scene */}</Pathtracer>
    </Canvas>
  );
}

The <Pathtracer /> component wraps your scene. The scene is then rendered using Path Tracing.

Prop Type Default Description minSamples number 1 Default: 5. Min number of samples before blending the base scene with the pathtraced one. samples number 1 Max number of samples before the pathtracer stops. frames number Infinity Number of frames to path trace. Will pause rendering once this number is reached. tiles [number, number] / THREE.Vector2 / { x: number; y: number } / number 2 Number of tiles. Can be used to improve the responsiveness of a page while still rendering a high resolution target. bounces number 1 The number of ray bounces to test. Higher is better quality but slower performance. enabled boolean true Wether to enable pathtracing.

Env maps can be added using Drei's <Environment /> component just like in a regular scene.

<Pathtracer>
  <Environment
    preset="..."
    background // Optional, set as scene background
    backgroundBlurriness={0.5}
    backgroundIntensity={1}
  />
</Pathtracer>

This hook provides access to useful functions in the internal renderer. Can only be used within the <Pathtracer /> component.

const { renderer, update, reset } = usePathtracer();
Return value Type Description pathtracer WebGLPathTracer Internal renderer. Can be used to access/edit internal properties renderer WebGLPathTracer DEPRECIATED: use pathtracer to not get confused with raster renderer reset () => void Flushes the rendered scene and resets the samples count. update () => void Tells the pathtracer that the scene has been updated. Everything is managed internally now.

When you set controls be sure to use makeDefault and it's best to import the OrbitControls from drei

<OrbitControls makeDefault>
        // ...
cd project-root
yarn
yarn dev
cd package
npm run release

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