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webgl-fluid

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webgl-fluid

ES Module support for https://github.com/PavelDoGreat/WebGL-Fluid-Simulation.

0.3.7
Source
npm

Version published: 11 months ago

Weekly downloads: 295; decreased by-7.52%

Maintainers: 1

Weekly downloads

Created: 4 years ago

Source

WebGL Fluid

ES Module support for WebGL-Fluid-Simulation.
🕹 Playground

Features

Hover to activate by default, can also be Click
Background image
Control whether to trigger multiple random splats initially
Control initial splats count

Install

NPM

npm i webgl-fluid

CDN + ESM

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
</head>

<body>
  <canvas style="width: 100vw; height: 100vh;" />
  <script type="importmap">
    {
      "imports": {
        "webgl-fluid": "https://cdn.jsdelivr.net/npm/webgl-fluid@0.3/dist/webgl-fluid.mjs"
      }
    }
  </script>
  <script type="module">
    import WebGLFluid from 'webgl-fluid'

    WebGLFluid(document.querySelector('canvas'), {
      // options
    })
  </script>
</body>

</html>

CDN + IIFE

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
</head>

<body>
  <canvas style="width: 100vw; height: 100vh;" />
  <script src="https://cdn.jsdelivr.net/npm/webgl-fluid@0.3"></script>
  <script>
    WebGLFluid(document.querySelector('canvas'), {
      // options
    })
  </script>
</body>

</html>

Options

WebGLFluid(document.querySelector('canvas'), {
  IMMEDIATE: true, // Whether to trigger multiple random splats when initialized
  TRIGGER: 'hover', // Can be change to 'click'
  SIM_RESOLUTION: 128,
  DYE_RESOLUTION: 1024,
  CAPTURE_RESOLUTION: 512,
  DENSITY_DISSIPATION: 1,
  VELOCITY_DISSIPATION: 0.3,
  PRESSURE: 0.8,
  PRESSURE_ITERATIONS: 20,
  CURL: 30,
  SPLAT_RADIUS: 0.35,
  SPLAT_FORCE: 6000,
  SPLAT_COUNT: parseInt(Math.random() * 20) + 5, // Initial splats count (when IMMEDIATE is set to true)
  SHADING: true,
  COLORFUL: true,
  COLOR_UPDATE_SPEED: 10,
  PAUSED: false,
  BACK_COLOR: { r: 0, g: 0, b: 0 },
  TRANSPARENT: false,
  BLOOM: true,
  BLOOM_ITERATIONS: 8,
  BLOOM_RESOLUTION: 256,
  BLOOM_INTENSITY: 0.8,
  BLOOM_THRESHOLD: 0.6,
  BLOOM_SOFT_KNEE: 0.7,
  SUNRAYS: true,
  SUNRAYS_RESOLUTION: 196,
  SUNRAYS_WEIGHT: 1.0,
})

Background Color

Background color will be whitened by 13 on each RGB color values when options.BLOOM is true. Set it to false to get pure color.

Background Image

CSS

canvas {
  width: 100vw;
  height: 100vh;
  background-image: url("xxx.png");
  background-size: 100% 100%;
}

WebGLFluid(document.querySelector('canvas'), {
  TRANSPARENT: true
})

Example

Vanilla JS

<!-- index.html -->

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
</head>

<body>
  <canvas style="width: 100vw; height: 100vh;" />
  <script src="src/index.js"></script>
</body>

</html>

// src/index.js

import WebGLFluid from 'webgl-fluid'

WebGLFluid(document.querySelector('canvas'), {
  // options
})

Vue 3

<template>
  <canvas ref="canvas" />
</template>

<script setup>
import { onMounted, ref } from 'vue'
import WebGLFluid from 'webgl-fluid'

const canvas = ref()

onMounted(() => {
  WebGLFluid(canvas.value)
})
</script>

<style>
canvas {
  width: 100vw;
  height: 100vh;
}
</style>

Vue 2

<template>
  <canvas ref="canvas" />
</template>

<script>
import WebGLFluid from 'webgl-fluid'

export default {
  mounted() {
    WebGLFluid(this.$refs.canvas)
  }
}
</script>

<style>
canvas {
  width: 100vw;
  height: 100vh;
}
</style>

Changelog

Detailed changes for each release are documented in the release notes

Keywords

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Package last updated on 17 Dec 2023

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