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feat: vignette effect (#75)
* feat: vignette effect * Update docs/guide/effects/vignette.md Co-authored-by: Tino Koch <17991193+Tinoooo@users.noreply.github.com> --------- Co-authored-by: Tino Koch <17991193+Tinoooo@users.noreply.github.com>
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‎docs/.vitepress/config.ts‎

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@@ -34,6 +34,7 @@ export default defineConfig({
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{ text: 'Noise', link: '/guide/effects/noise' },
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{ text: 'Outline', link: '/guide/effects/outline' },
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{ text: 'Pixelation', link: '/guide/effects/pixelation' },
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{ text: 'Vignette', link: '/guide/effects/vignette' },
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],
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},
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],

‎docs/.vitepress/theme/components/BlenderCube.vue‎

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<script setup lang="ts">
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import { useGLTF } from '@tresjs/cientos'
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const { nodes }
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= await useGLTF('https://raw.githubusercontent.com/Tresjs/assets/main/models/gltf/blender-cube.glb', { draco: true })
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const model = nodes.Cube
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</script>
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<template>
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<primitive :object="model" />
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</template>

‎docs/.vitepress/theme/components/VignetteDemo.vue‎

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<script setup lang="ts">
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import { TresCanvas } from '@tresjs/core'
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import { BasicShadowMap, SRGBColorSpace, NoToneMapping } from 'three'
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import { OrbitControls } from '@tresjs/cientos'
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import { EffectComposer, Vignette, DepthOfField } from '@tresjs/post-processing'
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import BlenderCube from './BlenderCube.vue'
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const gl = {
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clearColor: '#4f4f4f',
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shadows: true,
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alpha: false,
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shadowMapType: BasicShadowMap,
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outputColorSpace: SRGBColorSpace,
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toneMapping: NoToneMapping,
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}
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</script>
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<template>
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<TresLeches />
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<TresCanvas v-bind="gl">
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<TresPerspectiveCamera :position="[3, 3, 3]" />
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<OrbitControls />
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<Suspense>
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<BlenderCube />
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</Suspense>
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<EffectComposer>
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<DepthOfField
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:focus-distance="0"
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:focal-length="0.02"
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:bokeh-scale="2"
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/>
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<Vignette
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:darkness="0.9"
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:offset="0.3"
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/>
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</EffectComposer>
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<TresAmbientLight :intensity="1" />
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</TresCanvas>
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</template>

‎docs/components.d.ts‎

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declare module 'vue' {
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export interface GlobalComponents {
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BlenderCube: typeof import('./.vitepress/theme/components/BlenderCube.vue')['default']
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BloomDemo: typeof import('./.vitepress/theme/components/BloomDemo.vue')['default']
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DepthOfFieldDemo: typeof import('./.vitepress/theme/components/DepthOfFieldDemo.vue')['default']
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DocsDemo: typeof import('./.vitepress/theme/components/DocsDemo.vue')['default']
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PixelationDemo: typeof import('./.vitepress/theme/components/PixelationDemo.vue')['default']
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RouterLink: typeof import('vue-router')['RouterLink']
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RouterView: typeof import('vue-router')['RouterView']
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VignetteDemo: typeof import('./.vitepress/theme/components/VignetteDemo.vue')['default']
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}
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}

‎docs/guide/effects/vignette.md‎

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# Vignette
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<DocsDemo>
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<VignetteDemo />
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</DocsDemo>
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Vignette is an effect that darkens the edges of the scene to make the center pop.
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## Usage
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```vue
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<script setup lang="ts">
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import { EffectComposer, Vignette } from '@tresjs/post-processing'
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</script>
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<template>
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<EffectComposer>
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<Vignette
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:darkness="0.9"
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:offset="0.2"
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/>
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</EffectComposer>
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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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| technique | Whether the noise should be multiplied with the input color. | VignetteTechnique.DEFAULT |
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| blendFunction | The blend function to use. This prop is not reactive. | BlendFunction.NORMAL |
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| offset | The offset value. | 0.5 |
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| darkness | The darkness value. | 0.5 |
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## Further Reading
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see [postprocessing docs](https://pmndrs.github.io/postprocessing/public/docs/class/src/effects/VignetteEffect.js~VignetteEffect.html)

‎playground/components.d.ts‎

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declare module 'vue' {
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export interface GlobalComponents {
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BlenderCube: typeof import('./src/components/BlenderCube.vue')['default']
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copy: typeof import('./src/components/UnrealBloom copy.vue')['default']
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GlitchDemo: typeof import('./src/components/GlitchDemo.vue')['default']
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NoiseDemo: typeof import('./src/components/NoiseDemo.vue')['default']

‎playground/src/components/BlenderCube.vue‎

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<script setup lang="ts">
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import { useGLTF } from '@tresjs/cientos'
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const { nodes }
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= await useGLTF('https://raw.githubusercontent.com/Tresjs/assets/main/models/gltf/blender-cube.glb', { draco: true })
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const model = nodes.Cube
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</script>
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<template>
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<primitive :object="model" />
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</template>

‎playground/src/pages/vignette.vue‎

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<script setup lang="ts">
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import { TresCanvas } from '@tresjs/core'
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import { BasicShadowMap, SRGBColorSpace, NoToneMapping } from 'three'
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import { OrbitControls } from '@tresjs/cientos'
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import { EffectComposer, Vignette, DepthOfField } from '@tresjs/post-processing'
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import { TresLeches, useControls } from '@tresjs/leches'
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import BlenderCube from '../components/BlenderCube.vue'
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import '@tresjs/leches/styles'
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const gl = {
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clearColor: '#4f4f4f',
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shadows: true,
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alpha: false,
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shadowMapType: BasicShadowMap,
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outputColorSpace: SRGBColorSpace,
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toneMapping: NoToneMapping,
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}
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const { darkness, offset } = useControls({
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offset: {
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value: 0.3,
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min: 0,
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max: 1,
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step: 0.01,
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},
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darkness: {
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value: 0.9,
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min: 0,
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max: 1,
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step: 0.01,
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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 v-bind="gl">
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<TresPerspectiveCamera :position="[3, 3, 3]" />
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<OrbitControls />
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<Suspense>
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<BlenderCube />
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</Suspense>
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<EffectComposer>
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<DepthOfField
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:focus-distance="0"
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:focal-length="0.02"
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:bokeh-scale="2"
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/>
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<Vignette
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:darkness="darkness.value"
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:offset="offset.value"
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/>
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</EffectComposer>
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<TresAmbientLight :intensity="1" />
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</TresCanvas>
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</template>

‎playground/src/router.ts‎

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makeRoute('Pixelation', '👾'),
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makeRoute('Bloom', '🌼'),
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makeRoute('Noise', '📟'),
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makeRoute('Vignette', '🕶️'),
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]
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export const router = createRouter({

‎src/core/effects/Vignette.vue‎

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<script lang="ts" setup>
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import { BlendFunction, VignetteEffect, VignetteTechnique } from 'postprocessing'
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import { useEffect } from '../composables/effect'
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import { makePropWatchersUsingAllProps } from '../../util/prop'
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import { omit } from '../../util/object'
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export interface VignetteProps {
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/**
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* Whether the noise should be multiplied with the input color.
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*/
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technique?: VignetteTechnique
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blendFunction?: BlendFunction
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offset: number
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darkness: number
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}
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const props = withDefaults(defineProps<VignetteProps>(), {
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technique: VignetteTechnique.DEFAULT,
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blendFunction: BlendFunction.NORMAL,
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offset: 0.5,
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darkness: 0.5,
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})
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const { pass, effect } = useEffect(() => new VignetteEffect(props))
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defineExpose({ pass, effect }) // to allow users to modify pass and effect via template ref
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makePropWatchersUsingAllProps(
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omit(props, ['blendFunction']),
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effect,
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() => new VignetteEffect(),
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)
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</script>
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<template></template>

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