feat: add material.frontFace

hiloteam · Oct 9, 2020 · ef85b56 · ef85b56
1 parent ad80bbf
commit ef85b56
Show file tree

Hide file tree

Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/src/material/Material.js b/src/material/Material.js
@@ -13,7 +13,8 @@ const {
     FUNC_ADD,
     ONE,
     SRC_ALPHA,
-    ONE_MINUS_SRC_ALPHA
+    ONE_MINUS_SRC_ALPHA,
+    CCW,
 } = constants;
 
 const blankInfo = {
@@ -63,6 +64,13 @@ const Material = Class.create(/** @lends Material.prototype */ {
      */
     wireframe: false,
 
+    /**
+     * front face winding orientation
+     * @default CCW
+     * @type {GLenum}
+     */
+    frontFace: CCW,
+
     /**
      * 是否开启深度测试
      * @default true

diff --git a/src/renderer/WebGLRenderer.js b/src/renderer/WebGLRenderer.js
@@ -524,6 +524,7 @@ const WebGLRenderer = Class.create(/** @lends WebGLRenderer.prototype */ {
         if (material.cullFace && material.cullFaceType !== FRONT_AND_BACK) {
             state.enable(CULL_FACE);
             state.cullFace(material.cullFaceType);
+            state.frontFace(material.frontFace);
         } else {
             state.disable(CULL_FACE);
         }