89 lines
2.8 KiB
TypeScript
89 lines
2.8 KiB
TypeScript
import { Color, DataTexture, DoubleSide, MeshBasicMaterial, MeshStandardMaterial, RepeatWrapping, RGBFormat, Texture, TextureLoader, Vector2 } from "three"
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import { useLoader, type TresLoader } from '@tresjs/core'
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import { getFilename, patterns, type patternTypes } from "~/components/pattern"
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const set_metaril_func = (scene: any, material: any) => {
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scene.children.forEach((el: any) => {
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if (el.isMesh) {
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el.castShadow = true
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el.receiveShadow = true
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}
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// if (el.material) {
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el.material = material
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// }
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set_metaril_func(el, material)
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})
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}
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const noiseTexturePromise = useLoader(TextureLoader, '/texture/images.jpeg')
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const loaded_patterns: { [key: string]: any } = {}
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for (let index = 0; index < patterns.length; index++) {
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const element = patterns[index];
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const filename = getFilename(element.name)
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if (filename) {
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loaded_patterns[filename] = useLoader(TextureLoader, filename)
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}
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}
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Promise.all(Object.keys(loaded_patterns))
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function generateNoiseTexture(width: number, height: number) {
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const size = width * height;
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const data = new Uint8Array(4 * size);
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for (let i = 0; i < size; i++) {
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const r = Math.floor(Math.random() * 255) * 0.05;
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const g = 0;
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const b = Math.floor(Math.random() * 255) * 0.05;
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const stride = i * 4;
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data[stride] = r;
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data[stride + 1] = g;
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data[stride + 2] = b;
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data[stride + 3] = 255;
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}
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// used the buffer to create a DataTexture
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const texture = new DataTexture(data, width, height);
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texture.needsUpdate = true;
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return texture;
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}
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export const set_material = (scene: any, color: any, pattern: { pattern: patternTypes, count: number } | undefined = undefined) => {
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let c = color
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const material = new MeshStandardMaterial({
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color: new Color(c || '#9c9c00'),
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// alphaMap: pattern ? texture : null,
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transparent: true,
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opacity: 1,
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roughness: 0.2,
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metalness: 0,
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side: DoubleSide,
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})
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const promises = []
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if (pattern && pattern.pattern !== undefined) {
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const filename = getFilename(pattern.pattern)
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if (filename) {
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const texture = loaded_patterns[filename]
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promises.push(texture)
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texture.then((res: Texture) => {
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res.wrapT = RepeatWrapping;
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res.repeat.set(1, pattern.count);
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res.needsUpdate = true
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material.alphaMap = res
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return res
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})
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}
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}
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if (scene) set_metaril_func(scene, material)
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else console.log(scene)
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Promise.all(promises).then((values) => {
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if (scene) set_metaril_func(scene, material)
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else console.log(scene)
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});
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} |