diff --git a/Runtime/Graphics/CBooRenderer.cpp b/Runtime/Graphics/CBooRenderer.cpp
index 4ac92af9b..605dffe88 100644
--- a/Runtime/Graphics/CBooRenderer.cpp
+++ b/Runtime/Graphics/CBooRenderer.cpp
@@ -1093,17 +1093,19 @@ void CBooRenderer::SetThermalColdScale(float scale) { x2f8_thermColdScale = zeus
 void CBooRenderer::DoThermalBlendCold() {
   zeus::CColor a = zeus::CColor::lerp(x2f4_thermColor, zeus::skWhite, x2f8_thermColdScale);
   m_thermColdFilter->setColorA(a);
-  float bFac = 0.f;
   float bAlpha = 1.f;
-  if (x2f8_thermColdScale < 0.5f) {
+  if (x2f8_thermColdScale < 0.5f)
     bAlpha = x2f8_thermColdScale * 2.f;
-    bFac = (1.f - bAlpha) / 8.f;
-  }
-  zeus::CColor b{bFac, bFac, bFac, bAlpha};
-  m_thermColdFilter->setColorB(b);
-  zeus::CColor c = zeus::CColor::lerp(zeus::skBlack, zeus::skWhite,
-                                      zeus::clamp(0.f, (x2f8_thermColdScale - 0.25f) * 4.f / 3.f, 1.f));
-  m_thermColdFilter->setColorC(c);
+  float bFac = (1.f - bAlpha) / 8.f;
+  m_thermColdFilter->setColorB(zeus::CColor(bFac, bAlpha));
+  float cFac;
+  if (x2f8_thermColdScale < 0.25f)
+    cFac = 0.f;
+  else if (x2f8_thermColdScale >= 1.f)
+    cFac = 1.f;
+  else
+    cFac = (x2f8_thermColdScale - 0.25f) * 4.f / 3.f;
+  m_thermColdFilter->setColorC(zeus::CColor(cFac, cFac));
 
   m_thermColdFilter->setScale(x2f8_thermColdScale);
 
diff --git a/Runtime/Graphics/CModelBoo.cpp b/Runtime/Graphics/CModelBoo.cpp
index 0ba0106b0..0a3b95223 100644
--- a/Runtime/Graphics/CModelBoo.cpp
+++ b/Runtime/Graphics/CModelBoo.cpp
@@ -681,7 +681,7 @@ void CBooModel::UVAnimationBuffer::ProcessAnimation(u8*& bufOut, const UVAnimati
   }
   case UVAnimation::Mode::Model: {
     texMtxOut = CGraphics::g_GXModelMatrix.toMatrix4f();
-    texMtxOut[3].zeroOut();
+    texMtxOut[3] = zeus::CVector4f(0.f, 0.f, 0.f, 1.f);
     postMtxOut[0].x() = 0.5f;
     postMtxOut[1].y() = 0.f;
     postMtxOut[2].y() = 0.5f;
diff --git a/Shaders/CDecalShaders.shader b/Shaders/CDecalShaders.shader
index 6282282c4..c3c9efb41 100644
--- a/Shaders/CDecalShaders.shader
+++ b/Shaders/CDecalShaders.shader
@@ -172,8 +172,8 @@ layout(location=0) out vec4 colorOut;
 TBINDING0 uniform sampler2D tex;
 void main()
 {
-    colorOut = vtf.color;
-    colorOut.a = texture(tex, vtf.uv).r;
+    colorOut = vtf.color * texture(tex, vtf.uv);
+    colorOut.a = colorOut.r;
 }
 
 
@@ -189,7 +189,9 @@ struct VertToFrag
 
 float4 main(in VertToFrag vtf) : SV_Target0
 {
-    return float4(vtf.color.rgb, tex0.Sample(samp, vtf.uv).r);
+    float4 colorOut = vtf.color * tex0.Sample(samp, vtf.uv);
+    colorOut.a = colorOut.r;
+    return colorOut;
 }
 
 
@@ -205,7 +207,9 @@ fragment float4 fmain(VertToFrag vtf [[ stage_in ]],
                       sampler samp [[ sampler(0) ]],
                       texture2d<float> tex0 [[ texture(0) ]])
 {
-    return float4(vtf.color.rgb, tex0.sample(samp, vtf.uv).r);
+    float4 colorOut = vtf.color * tex0.sample(samp, vtf.uv);
+    colorOut.a = colorOut.r;
+    return colorOut;
 }
 
 
diff --git a/Shaders/CThermalColdFilter.shader b/Shaders/CThermalColdFilter.shader
index c957e5511..145b998c0 100644
--- a/Shaders/CThermalColdFilter.shader
+++ b/Shaders/CThermalColdFilter.shader
@@ -80,8 +80,8 @@ void main()
     vec4 noiseTexel = texelFetch(noiseTex, Lookup8BPP(vtf.noiseUv, vtf.randOff), 0);
     vec2 indCoord = (vtf.indMtx * vec3(noiseTexel.r - 0.5, noiseTexel.a - 0.5, 1.0)).xy;
     float indScene = dot(texture(sceneTex, vtf.sceneUv + indCoord), kRGBToYPrime);
-    colorOut = vtf.colorReg0 * indScene + vtf.colorReg1 * noiseTexel + vtf.colorReg2;
-    colorOut.a = vtf.colorReg1.a + vtf.colorReg1.a * noiseTexel.a + vtf.colorReg2.a;
+    colorOut = vtf.colorReg0 * indScene + vtf.colorReg2 - vtf.colorReg1 * noiseTexel.r;
+    colorOut.a = vtf.colorReg1.a + vtf.colorReg1.a * noiseTexel.r + vtf.colorReg2.a;
 }
 
 #vertex hlsl
@@ -160,8 +160,8 @@ float4 main(in VertToFrag vtf) : SV_Target0
     float4 noiseTexel = noiseTex.Load(Lookup8BPP(vtf.noiseUv, vtf.randOff));
     float2 indCoord = mul(vtf.indMtx, float3(noiseTexel.r - 0.5, noiseTexel.a - 0.5, 1.0)).xy;
     float indScene = dot(sceneTex.Sample(samp, vtf.sceneUv + indCoord), kRGBToYPrime);
-    float4 colorOut = vtf.colorReg0 * indScene + vtf.colorReg1 * noiseTexel + vtf.colorReg2;
-    colorOut.a = vtf.colorReg1.a + vtf.colorReg1.a * noiseTexel.a + vtf.colorReg2.a;
+    float4 colorOut = vtf.colorReg0 * indScene + vtf.colorReg2 - vtf.colorReg1 * noiseTexel.r;
+    colorOut.a = vtf.colorReg1.a + vtf.colorReg1.a * noiseTexel.r + vtf.colorReg2.a;
     return colorOut;
 }
 
@@ -247,7 +247,6 @@ fragment float4 fmain(VertToFrag vtf [[ stage_in ]],
     float4 noiseTexel = noiseTex.read(Lookup8BPP(vtf.noiseUv, vtf.randOff));
     float2 indCoord = (vtf.indMtx * float3(noiseTexel.r - 0.5, noiseTexel.a - 0.5, 1.0)).xy;
     float indScene = dot(sceneTex.sample(samp, vtf.sceneUv + indCoord), kRGBToYPrime);
-    float4 colorOut = vtf.colorReg0 * indScene + vtf.colorReg1 * noiseTexel + vtf.colorReg2;
-    colorOut.a = vtf.colorReg1.a + vtf.colorReg1.a * noiseTexel.a + vtf.colorReg2.a;
-    return colorOut;
+    float4 colorOut = vtf.colorReg0 * indScene + vtf.colorReg2 - vtf.colorReg1 * noiseTexel.r;
+    colorOut.a = vtf.colorReg1.a + vtf.colorReg1.a * noiseTexel.r + vtf.colorReg2.a;
 }
diff --git a/hecl b/hecl
index 947155734..b92572e4d 160000
--- a/hecl
+++ b/hecl
@@ -1 +1 @@
-Subproject commit 947155734274041bc7b3ab1bb8267d0491e48554
+Subproject commit b92572e4d1331813f5bfc2b70a6a69bb473db67f