From 6631530e2d6e8e52ccec7d3a97b4b6f499095e74 Mon Sep 17 00:00:00 2001
From: Andrea Gargaro <devgargaro@gmail.com>
Date: Tue, 15 Oct 2024 19:25:36 +0200
Subject: [PATCH] Fix patch color material  (#12)

* Fix patch material that doesn't use color
---
 package-lock.json             | 4 ++--
 package.json                  | 2 +-
 src/objects/InstancedMesh2.ts | 3 +++
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index fb80881..c8e5aa5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@three.ez/instanced-mesh",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@three.ez/instanced-mesh",
-      "version": "0.2.3",
+      "version": "0.2.4",
       "license": "MIT",
       "dependencies": {
         "bvh.js": "^0.0.10"
diff --git a/package.json b/package.json
index 1458658..4f4ae51 100644
--- 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
index 4b6302a..f0215d7 100644
--- 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.
       }
     }