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feat: add hue & saturation (#151)
* init hue saturation * add hue-saturation effect * fix warning import * fix name .md * update package V2 * delete import --------- Co-authored-by: Alvaro Saburido <alvaro.saburido@gmail.com>
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‎docs/.vitepress/config.ts‎

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@@ -56,6 +56,7 @@ export default defineConfig({
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{ text: 'Scanline', link: '/guide/pmndrs/scanline' },
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{ text: 'Pixelation', link: '/guide/pmndrs/pixelation' },
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{ text: 'Vignette', link: '/guide/pmndrs/vignette' },
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{ text: 'Hue & Saturation', link: '/guide/pmndrs/hue-saturation' },
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],
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},
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{

‎docs/.vitepress/theme/components/pmdrs/HueSaturationDemo.vue‎

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<script setup lang="ts">
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import { Environment, OrbitControls } from '@tresjs/cientos'
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import { TresCanvas } from '@tresjs/core'
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import { TresLeches, useControls } from '@tresjs/leches'
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import { EffectComposerPmndrs, HueSaturationPmndrs } from '@tresjs/post-processing'
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import { BlendFunction } from 'postprocessing'
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import { NoToneMapping } from 'three'
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import '@tresjs/leches/styles'
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const gl = {
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toneMapping: NoToneMapping,
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multisampling: 8,
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}
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const { saturation, hue, blendFunction } = useControls({
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hue: { value: -Math.PI, min: -Math.PI, max: Math.PI, step: 0.001 },
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saturation: { value: 1, min: -1, max: 1, step: 0.001 },
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blendFunction: {
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options: Object.keys(BlendFunction).map(key => ({
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text: key,
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value: BlendFunction[key],
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})),
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value: BlendFunction.SRC,
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},
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})
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</script>
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<template>
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<TresLeches style="left: initial;right:10px; top:10px;" />
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<TresCanvas
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v-bind="gl"
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>
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<TresPerspectiveCamera
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:position="[5, 5, 5]"
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:look-at="[0, 0, 0]"
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/>
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<OrbitControls auto-rotate />
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<TresMesh :position="[0, 1, 0]">
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<TresBoxGeometry :args="[2, 2, 2]" />
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<TresMeshPhysicalMaterial color="white" />
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</TresMesh>
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<Suspense>
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<Environment background :blur=".25" preset="modern" />
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</Suspense>
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<Suspense>
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<EffectComposerPmndrs>
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<HueSaturationPmndrs :blendFunction="Number(blendFunction.value)" :hue="hue.value" :saturation="saturation.value" />
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</EffectComposerPmndrs>
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</Suspense>
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</TresCanvas>
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</template>

‎docs/components.d.ts‎

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@@ -15,6 +15,8 @@ declare module 'vue' {
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GlitchDemo: typeof import('./.vitepress/theme/components/pmdrs/GlitchDemo.vue')['default']
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GlitchThreeDemo: typeof import('./.vitepress/theme/components/three/GlitchThreeDemo.vue')['default']
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HalftoneThreeDemo: typeof import('./.vitepress/theme/components/three/HalftoneThreeDemo.vue')['default']
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HueSaturation: typeof import('./.vitepress/theme/components/pmdrs/HueSaturationDemo.vue')['default']
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HueSaturationDemo: typeof import('./.vitepress/theme/components/pmdrs/HueSaturationDemo.vue')['default']
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LoveVueThreeJS: typeof import('./.vitepress/theme/components/LoveVueThreeJS.vue')['default']
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NoiseDemo: typeof import('./.vitepress/theme/components/pmdrs/NoiseDemo.vue')['default']
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OutlineDemo: typeof import('./.vitepress/theme/components/pmdrs/OutlineDemo.vue')['default']

‎docs/guide/pmndrs/hue-saturation.md‎

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# Hue & Saturation
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<DocsDemo>
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<HueSaturationDemo />
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</DocsDemo>
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The `HueSaturation` effect is part of the [`postprocessing`](https://pmndrs.github.io/postprocessing/public/docs/class/src/effects/HueSaturationEffect.js~HueSaturationEffect.html) package. It allows you to adjust the hue and saturation of your scene, providing flexibility for color grading and artistic effects.
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## Usage
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The `<HueSaturationPmndrs>` component is straightforward to use and provides customizable options to fine-tune the hue and saturation of your visuals.
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```vue{2,5-9,26-32}
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<script setup lang="ts">
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import { EffectComposerPmndrs, HueSaturationPmndrs } from '@tresjs/post-processing'
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import { BlendFunction } from 'postprocessing'
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const effectProps = {
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saturation: 1,
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hue: -Math.PI,
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blendFunction: BlendFunction.SRC,
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}
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</script>
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<template>
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<TresCanvas>
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<TresPerspectiveCamera
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:position="[5, 5, 5]"
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:look-at="[0, 0, 0]"
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/>
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<OrbitControls auto-rotate />
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<TresMesh :position="[0, 1, 0]">
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<TresBoxGeometry :args="[2, 2, 2]" />
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<TresMeshPhysicalMaterial color="white" />
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</TresMesh>
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<Suspense>
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<EffectComposerPmndrs>
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<HueSaturationPmndrs
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v-bind="effectProps"
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/>
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</EffectComposerPmndrs>
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</Suspense>
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</TresCanvas>
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</template>
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```
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## Props
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| Prop | Description | Default |
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| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------ |
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| **saturation** | The saturation adjustment. A value of `0.0` results in grayscale, while `1.0` leaves saturation unchanged. Range: `[0.0, 1.0]`. | `0.0` |
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| **hue** | The hue adjustment in radians. Values range from `[-π, π]` (or `[0, 2π]` for a full rotation). | `0.0` |
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| **blendFunction** | Defines how the effect blends with the original scene. See the [`BlendFunction`](https://pmndrs.github.io/postprocessing/public/docs/variable/index.html#static-variable-BlendFunction) options. | `BlendFunction.SRC` |
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## Further Reading
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For more details, see the [HueSaturation documentation](https://pmndrs.github.io/postprocessing/public/docs/class/src/effects/HueSaturationEffect.js~HueSaturationEffect.html).

‎playground/src/pages/postprocessing/hue-saturation.vue‎

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<script setup lang="ts">
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import { Environment, OrbitControls } from '@tresjs/cientos'
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import { TresCanvas } from '@tresjs/core'
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import { TresLeches, useControls } from '@tresjs/leches'
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import { EffectComposerPmndrs, HueSaturationPmndrs } from '@tresjs/post-processing'
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import { BlendFunction } from 'postprocessing'
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import { NoToneMapping } from 'three'
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import '@tresjs/leches/styles'
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const gl = {
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toneMapping: NoToneMapping,
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multisampling: 8,
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}
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const { saturation, hue, blendFunction } = useControls({
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hue: { value: 0, min: -Math.PI, max: Math.PI, step: 0.001 },
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saturation: { value: 0, min: -1, max: 1, step: 0.001 },
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blendFunction: {
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options: Object.keys(BlendFunction).map(key => ({
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text: key,
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value: BlendFunction[key],
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})),
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value: BlendFunction.SRC,
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},
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})
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</script>
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<template>
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<TresLeches />
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<TresCanvas
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v-bind="gl"
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>
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<TresPerspectiveCamera
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:position="[5, 5, 5]"
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:look-at="[0, 0, 0]"
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/>
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<OrbitControls auto-rotate />
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<TresMesh :position="[0, 1, 0]">
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<TresBoxGeometry :args="[2, 2, 2]" />
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<TresMeshPhysicalMaterial color="white" :roughness="1" :transmission="0" />
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</TresMesh>
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<Suspense>
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<Environment background :blur=".25" preset="modern" />
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</Suspense>
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<Suspense>
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<EffectComposerPmndrs>
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<HueSaturationPmndrs :blendFunction="Number(blendFunction.value)" :hue="hue.value" :saturation="saturation.value" />
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</EffectComposerPmndrs>
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</Suspense>
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</TresCanvas>
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</template>

‎playground/src/router.ts‎

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makeRoute('Outline', '🔲', false),
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makeRoute('Glitch', '📺', false),
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makeRoute('Depth of Field', '📷', false),
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makeRoute('Hue & Saturation', '📷', false),
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makeRoute('Pixelation', '👾', false),
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makeRoute('Bloom', '🌼', false),
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makeRoute('Noise', '📟', false),

‎src/core/pmndrs/HueSaturationPmndrs.vue‎

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<script lang="ts" setup>
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import type { BlendFunction } from 'postprocessing'
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import { HueSaturationEffect } from 'postprocessing'
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import { makePropWatchers } from '../../util/prop'
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import { useEffectPmndrs } from './composables/useEffectPmndrs'
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export interface HueSaturationPmndrsProps {
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/**
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* The saturation adjustment. A value of 0.0 results in grayscale, and 1.0 leaves saturation unchanged.
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* Range: [0.0, 1.0]
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*/
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saturation?: number
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/**
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* The hue adjustment in radians.
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* Range: [-π, π] (or [0, 2π] for a full rotation)
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*/
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hue?: number
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/**
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* The blend function. Defines how the effect blends with the original scene.
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*/
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blendFunction?: BlendFunction
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}
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const props = withDefaults(
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defineProps<HueSaturationPmndrsProps>(),
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{
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saturation: 0.0,
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hue: 0.0,
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},
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)
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const { pass, effect } = useEffectPmndrs(() => new HueSaturationEffect(props), props)
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defineExpose({ pass, effect })
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makePropWatchers(
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[
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[() => props.blendFunction, 'blendMode.blendFunction'],
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[() => props.hue, 'hue'],
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[() => props.saturation, 'saturation'],
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],
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effect,
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() => new HueSaturationEffect(),
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)
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</script>

‎src/core/pmndrs/index.ts‎

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import OutlinePmndrs, { type OutlinePmndrsProps } from './OutlinePmndrs.vue'
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import PixelationPmndrs, { type PixelationPmndrsProps } from './PixelationPmndrs.vue'
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import VignettePmndrs, { type VignettePmndrsProps } from './VignettePmndrs.vue'
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import HueSaturationPmndrs, { type HueSaturationPmndrsProps } from './HueSaturationPmndrs.vue'
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import ScanlinePmndrs, { type ScanlinePmndrsProps } from './ScanlinePmndrs.vue'
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export {
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PixelationPmndrs,
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useEffectPmndrs,
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VignettePmndrs,
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HueSaturationPmndrs,
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ScanlinePmndrs,
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BloomPmndrsProps,
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DepthOfFieldPmndrsProps,
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EffectComposerPmndrsProps,
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OutlinePmndrsProps,
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PixelationPmndrsProps,
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VignettePmndrsProps,
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HueSaturationPmndrsProps,
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ScanlinePmndrsProps,
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}

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