From 35b7da0e9dab7eb0c10cc6804421f7b3094ba1f5 Mon Sep 17 00:00:00 2001
From: bwangxxx <390297188@qq.com>
Date: Mon, 25 Sep 2023 17:55:42 +0800
Subject: [PATCH] fix_fbm

---
 zeno/src/nodes/prim/WBErode.cpp | 2 +-
 zeno/src/nodes/prim/WBNoise.cpp | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/zeno/src/nodes/prim/WBErode.cpp b/zeno/src/nodes/prim/WBErode.cpp
index 9535ab0499..eded0fc387 100644
--- a/zeno/src/nodes/prim/WBErode.cpp
+++ b/zeno/src/nodes/prim/WBErode.cpp
@@ -2514,7 +2514,7 @@ struct HF_maskByFeature : INode {
 //                    //!useCurvature &&
 //                    //!useOcclusion)
                 {
-                    mask[idx] = 0;
+//                    mask[idx] = 0;
                 }
 
                 if (useSlope) {
diff --git a/zeno/src/nodes/prim/WBNoise.cpp b/zeno/src/nodes/prim/WBNoise.cpp
index 4c3655595e..6885e88392 100644
--- a/zeno/src/nodes/prim/WBNoise.cpp
+++ b/zeno/src/nodes/prim/WBNoise.cpp
@@ -1136,7 +1136,8 @@ glm::vec3 noise_random3(glm::vec3 p) {
 
 float noise_mydistance(glm::vec3 a, glm::vec3 b, int t) {
     if (t == 0) {
-        return length(a - b);
+        float d = length(a - b);
+        return d*d;
     }
     else if (t == 1) {
         float xx = abs(a.x - b.x);