From 5f9e631011e80bd2bd48a36b69e6297a7fbef1ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tr=C3=A8sAbhi?= <43380238+tresabhi@users.noreply.github.com>
Date: Fri, 2 Feb 2024 23:29:10 -0600
Subject: [PATCH] fix: scale by PI/2

---
 .../ArmorMesh/components/Armor/shaders/fragment.glsl       | 7 ++-----
 .../components/SpacedArmorDepth/shaders/fragment.glsl      | 6 +-----
 2 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/src/components/ArmorMesh/components/Armor/shaders/fragment.glsl b/src/components/ArmorMesh/components/Armor/shaders/fragment.glsl
index 08a3d0e15..21f7cdba6 100644
--- a/src/components/ArmorMesh/components/Armor/shaders/fragment.glsl
+++ b/src/components/ArmorMesh/components/Armor/shaders/fragment.glsl
@@ -33,17 +33,14 @@ void main() {
   float penetrationChance = -1.0;
   float splashChance = -1.0;
 
-  vec3 normalizedViewPosition = normalize(vViewPosition);
-  float dotProduct = dot(vNormal, -normalizedViewPosition);
-  float coreArmorangle = acos(dotProduct);
-
   vec2 screenCoordinates = gl_FragCoord.xy / resolution;
   vec4 externalModuleMaskColor = texture2D(externalModuleMask, screenCoordinates);
   vec4 spacedArmorMaskColor = texture2D(spacedArmorMask, screenCoordinates);
   bool isUnderExternalModule = externalModuleMaskColor.r == 1.0;
   bool isUnderSpacedArmor = spacedArmorMaskColor.a == 1.0;
-  float spacedArmorAngle = spacedArmorMaskColor.r * PI;
+  float spacedArmorAngle = spacedArmorMaskColor.r * (PI / 2.0);
 
+  float coreArmorangle = acos(dot(vNormal, -normalize(vViewPosition)));
   bool coreArmorThreeCalibersRule = caliber > 3.0 * thickness;
   float spacedArmorNominalThickness = spacedArmorMaskColor.g * maxThickness;
   bool spacedArmorThreeCalibersRule = isUnderSpacedArmor && caliber > 3.0 * spacedArmorNominalThickness;
diff --git a/src/components/ArmorMesh/components/SpacedArmorDepth/shaders/fragment.glsl b/src/components/ArmorMesh/components/SpacedArmorDepth/shaders/fragment.glsl
index 850e75fc5..6fe90ce36 100644
--- a/src/components/ArmorMesh/components/SpacedArmorDepth/shaders/fragment.glsl
+++ b/src/components/ArmorMesh/components/SpacedArmorDepth/shaders/fragment.glsl
@@ -6,10 +6,6 @@ uniform float thickness;
 uniform float maxThickness;
 
 void main() {
-  vec3 normalizedNormal = normalize(vNormal);
-  vec3 normalizedViewPosition = normalize(vViewPosition);
-  float dotProduct = dot(normalizedNormal, -normalizedViewPosition);
-  float angle = acos(dotProduct);
-
+  float angle = acos(dot(vNormal, -normalize(vViewPosition)));
   gl_FragColor = vec4(angle / (PI / 2.0), thickness / maxThickness, 0.0, 1.0);
 }
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