添加视图比对

libs/Common/Util.inl

@@ -579,6 +579,16 @@ inline TPoint3<TYPE> ComputeTriangleNormal(const TPoint3<TYPE>& v0, const TPoint
 } // ComputeTriangleNormal
 /*----------------------------------------------------------------*/
 
+template<typename ColorType>
+ColorType ComputeTriangleColor(const ColorType& c0, const ColorType& c1, const ColorType& c2) {
+    // 手动计算每个通道的平均值
+    ColorType result;
+    result.r = static_cast<uint8_t>((static_cast<int>(c0.r) + c1.r + c2.r) / 3 + 0.5f); // 整数运算避免溢出
+    result.g = static_cast<uint8_t>((c0.g + c1.g + c2.g) / 3 + 0.5f);
+    result.b = static_cast<uint8_t>((c0.b + c1.b + c2.b) / 3 + 0.5f);
+    return result;
+}
+
 // compute the area of a triangle using Heron's formula
 template <typename TYPE>
 TYPE ComputeTriangleAreaSqLen(TYPE lena, TYPE lenb, TYPE lenc) {