Fix patch color material (#12)

* Fix patch material that doesn't use color
agargaro · Oct 15, 2024 · 6631530 · 6631530
1 parent 310758f
commit 6631530
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@three.ez/instanced-mesh",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "description": "Simplified and enhanced InstancedMesh with frustum culling, fast raycasting (using BVH), sorting, visibility management and more.",
   "author": "Andrea Gargaro <devgargaro@gmail.com>",
   "license": "MIT",

diff --git a/src/objects/InstancedMesh2.ts b/src/objects/InstancedMesh2.ts
@@ -171,9 +171,12 @@ export class InstancedMesh2<
       shader.defines["USE_INSTANCING_INDIRECT"] = "";
 
       if (this.colorsTexture !== null) {
+        if (!shader.fragmentShader.includes("#include <color_pars_fragment>")) return;
+
         shader.uniforms.colorsTexture = { value: this.colorsTexture };
         shader.defines["USE_INSTANCING_COLOR_INDIRECT"] = "";
         shader.fragmentShader = shader.fragmentShader.replace("#include <common>", "#define USE_COLOR\n#include <common>");
+        // NOTE that '#defined USE_COLOR' is defined only in fragment shader to make it work.
       }
     }