fix(heatmap): 低温段改为蓝色噪点并保留发热色带

Co-authored-by: Cursor <cursoragent@cursor.com>

Assets/Scripts/FixSystem/HeatMap/HeatMapController.cs

@@ -22,8 +22,8 @@ public class HeatMapController : MonoBehaviour
     public Transform imageToRotate; // 需要旋转的Image
     [SerializeField, Min(0f)] private float fanStopDuration = 0.15f;
     [Header("低温背景")]
-    [SerializeField] private Color coldBaseColor = new Color(0.015f, 0.075f, 0.16f, 1f);
-    [SerializeField] private Color coldHighlightColor = new Color(0.02f, 0.27f, 0.48f, 1f);
+    [SerializeField] private Color coldBaseColor = new Color(0.005f, 0.02f, 0.55f, 1f);
+    [SerializeField] private Color coldHighlightColor = new Color(0f, 0.3f, 1f, 1f);
     [SerializeField, Min(0.01f)] private float coldNoiseScale = 1.8f;
     [SerializeField, Range(0f, 1f)] private float coldNoiseStrength = 0.45f;
     public Vector3 inPos; // Heatmap进入位置
@@ -244,7 +244,7 @@ public class HeatMapController : MonoBehaviour
     public void SetDataToMaterial()
     {
         // 逻辑温度 0~2 → shader 侧发热强度；各段端点连续，避免跨档跳变。
-        // t=0 冷态压低，接近「看不见」；t=1/2 保持原有发热观感。
+        // 保持原有温度映射，冷色替换只由 shader 处理。
         if (tempture <= 1f)
         {
             float t = Mathf.Clamp01(tempture);
@@ -256,7 +256,7 @@ public class HeatMapController : MonoBehaviour
         {
             float t = Mathf.Clamp01(tempture - 1f);
             uftempture = Mathf.Lerp(2.8f, 3.2f, t);
-            modulesTempture = Mathf.Lerp(1.6f, 2.3f, t); // 原 1.8 起点与上一段不连续
+            modulesTempture = Mathf.Lerp(1.6f, 2.3f, t);
             backtemture = Mathf.Lerp(2.25f, 3.4f, t);
         }
 

Assets/Scripts/FixSystem/HeatMap/HeatTest.shader

@@ -12,8 +12,8 @@ Shader "Unlit/HeatTest"
         _Speaktexture ("_Speaktexture", 2D) = "white" {}
         _headtexture ("_headtexture", 2D) = "white" {}
         _Temtupre("_Temtupre", float) = 0 // 世界空间中的中心
-        _ColdBaseColor ("Cold Base Color", Color) = (0.015, 0.075, 0.16, 1)
-        _ColdHighlightColor ("Cold Highlight Color", Color) = (0.02, 0.27, 0.48, 1)
+        _ColdBaseColor ("Cold Base Color", Color) = (0.005, 0.02, 0.55, 1)
+        _ColdHighlightColor ("Cold Highlight Color", Color) = (0, 0.3, 1, 1)
         _ColdNoiseScale ("Cold Noise Scale", Float) = 1.8
         _ColdNoiseStrength ("Cold Noise Strength", Range(0, 1)) = 0.45
     }
@@ -150,7 +150,8 @@ fixed4 frag (v2f i) : SV_Target
                 float2 coldNoiseUV = worldPos.xy + float2(_Time.y * 0.012, -_Time.y * 0.009);
                 float coldNoise = Unity_SimpleNoise(coldNoiseUV, _ColdNoiseScale);
                 float coldVariation = saturate(0.18 + coldNoise * _ColdNoiseStrength);
-                fixed4 col = lerp(_ColdBaseColor, _ColdHighlightColor, coldVariation);
+                fixed4 coldColor = lerp(_ColdBaseColor, _ColdHighlightColor, coldVariation);
+                fixed4 col = coldColor;
                 bool isFind = false;
 
 
@@ -184,7 +185,10 @@ fixed4 frag (v2f i) : SV_Target
 
                         
                         fixed4 rampColor = tex2D(_RampTexture, float2(alpha, 0));
-                        col = rampColor;
+                        // 保留原有色带映射，只把接近黑色的冷端替换为蓝色。
+                        float brightestChannel = max(rampColor.r, max(rampColor.g, rampColor.b));
+                        float blackMask = 1.0 - smoothstep(0.035, 0.12, brightestChannel);
+                        col = lerp(rampColor, coldColor, blackMask);
                     }
                 }
 
@@ -206,7 +210,9 @@ fixed4 frag (v2f i) : SV_Target
                         alpha=backalpha;
                         
                         fixed4 rampColor = tex2D(_RampTexture, float2(alpha, 0));
-                        col = rampColor;
+                        float brightestChannel = max(rampColor.r, max(rampColor.g, rampColor.b));
+                        float blackMask = 1.0 - smoothstep(0.035, 0.12, brightestChannel);
+                        col = lerp(rampColor, coldColor, blackMask);
                     }
                 }
 

Assets/Scripts/FixSystem/HeatMap/Test.mat

@@ -128,6 +128,8 @@ Material:
     m_Floats:
     - _Alpha: 0.992
     - _Boolean: 0
+    - _ColdNoiseScale: 1.8
+    - _ColdNoiseStrength: 0.45
     - _ColorHSV_Brightness_1: 1
     - _ColorHSV_Hue_1: 104
     - _ColorHSV_Saturation_1: 1
@@ -158,6 +160,8 @@ Material:
     - _Center: {r: -3.77, g: 0.91, b: 0, a: 0}
     - _CenterScale: {r: 0, g: 0, b: 0, a: 0}
     - _CircleModuleSize: {r: 1, g: 1, b: 0, a: 0}
+    - _ColdBaseColor: {r: 0.005, g: 0.02, b: 0.55, a: 1}
+    - _ColdHighlightColor: {r: 0, g: 0.3, b: 1, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
     - _ColorX: {r: 1, g: 1, b: 1, a: 1}
     - _Flip: {r: 1, g: 1, b: 1, a: 1}