From a3687808ea22ec7bb51873974cb2ec6dd23ec552 Mon Sep 17 00:00:00 2001
From: Kseninia Mikhaylova <k.mikhailova@svs-tech.pro>
Date: Thu, 26 Sep 2024 14:52:27 +0300
Subject: [PATCH] texture scaling

---
 components/model/fence.vue |  4 +++
 utils/material.ts          | 56 +++++++++++++++++++++++++++++---------
 2 files changed, 47 insertions(+), 13 deletions(-)

diff --git a/components/model/fence.vue b/components/model/fence.vue
index 9ff3eed..e48a4a1 100644
--- a/components/model/fence.vue
+++ b/components/model/fence.vue
@@ -183,5 +183,9 @@ watch([instanced_lamelle, lamelle_color], setLamellesColor)
         <template v-for="item in fastening">
             <TresObject3D v-bind="item.clone()" />
         </template>
+        <TresMesh :position="[0, 0, 0]">
+            <TresBoxGeometry :args="[0.1, 0.1, 0.1]" />
+            <TresMeshBasicMaterial color="violet" />
+        </TresMesh>
     </TresGroup>
 </template>
\ No newline at end of file
diff --git a/utils/material.ts b/utils/material.ts
index 2be14d3..2ca8880 100644
--- a/utils/material.ts
+++ b/utils/material.ts
@@ -2,12 +2,42 @@ import { Color, DataTexture, DoubleSide, MeshBasicMaterial, MeshStandardMaterial
 import { useLoader, type TresLoader } from '@tresjs/core'
 import { getFilename, patterns, type patternTypes } from "~/components/pattern"
 
+
 const set_metaril_func = (scene: any, material: any) => {
     scene.children.forEach((el: any) => {
         if (el.isMesh && !el.isInstancedMesh) {
             el.castShadow = true
             el.receiveShadow = true
         }
+
+        if (el.material) {
+            // Получите UV-координаты
+            const uvAttribute = el.geometry.getAttribute('uv');
+            const uvs = [];
+
+            for (let i = 0; i < uvAttribute.count; i++) {
+                uvs.push(uvAttribute.getX(i), uvAttribute.getY(i));
+            }
+
+            // Вычисление минимальных и максимальных UV
+            const minU = Math.min(...uvs.filter((_, index) => index % 2 === 0)); // X координаты
+            const maxU = Math.max(...uvs.filter((_, index) => index % 2 === 0));
+            const minV = Math.min(...uvs.filter((_, index) => index % 2 === 1)); // Y координаты
+            const maxV = Math.max(...uvs.filter((_, index) => index % 2 === 1));
+
+            // Определите размеры текстуры на поверхности
+            const surfaceWidth = maxU - minU;
+            const surfaceHeight = (maxV - minV) * el.scale.y;
+
+            material.normalMap.wrapS = RepeatWrapping; 
+            material.normalMap.wrapT = RepeatWrapping; 
+            material.normalMap.repeat.set(surfaceWidth, surfaceHeight); 
+            material.normalMap.needsUpdate = true
+
+            console.log(`Ширина текстуры на поверхности: ${surfaceWidth * 128}`);
+            console.log(`Высота текстуры на поверхности: ${surfaceHeight * 128}`);
+        }
+
         if (el.material) el.material = material
         set_metaril_func(el, material)
     })
@@ -23,23 +53,23 @@ for (let index = 0; index < patterns.length; index++) {
 }
 function generateNoiseTexture(width: number, height: number) {
     const size = width * height;
-    const data = new Uint8Array( 4 * size );
-    const color = new Color( 0xffffff );
-    
-    for ( let i = 0; i < size; i ++ ) {
-        const r = Math.floor( Math.random() * 255 );
+    const data = new Uint8Array(4 * size);
+    const color = new Color(0xffffff);
+
+    for (let i = 0; i < size; i++) {
+        const r = Math.floor(Math.random() * 255);
         const g = 0;
-        const b = Math.floor( Math.random() * 255 );
-        
+        const b = Math.floor(Math.random() * 255);
+
         const stride = i * 4;
-        data[ stride ] = r;
-        data[ stride + 1 ] = g;
-        data[ stride + 2 ] = b;
-        data[ stride + 3 ] = 255;
+        data[stride] = r;
+        data[stride + 1] = g;
+        data[stride + 2] = b;
+        data[stride + 3] = 255;
     }
-    
+
     // used the buffer to create a DataTexture
-    const texture = new DataTexture( data, width, height );
+    const texture = new DataTexture(data, width, height);
     texture.needsUpdate = true;
     return texture;
 }