Add visible bounding boxes around projection area

Assets/Shaders/SelectionGlow.shader

@@ -8,6 +8,7 @@ Shader "ConformalDecals/SelectionGlow"
             _RimEdgeOpacity("Rim Edge Opacity", Range(0,1)) = 0.2
 			_RimFalloff("Rim Falloff", Range(0.01,5) ) = 0.1
 			_RimColor("Rim Color", Color) = (0,0,0,0)
+            _RimOpacity("Rim Opacity", Range(0,1)) = 0.5
     }
     SubShader
     {
@@ -27,6 +28,7 @@ Shader "ConformalDecals/SelectionGlow"
             half _RimEdgeOpacity;
             float _RimFalloff;
             float4 _RimColor;
+            half _RimOpacity;
             
             #include "UnityCG.cginc"
             #include "Lighting.cginc"
@@ -53,7 +55,7 @@ Shader "ConformalDecals/SelectionGlow"
 
                 float3 worldViewDir = normalize(UnityWorldSpaceViewDir(i.worldPosition));
                 half rim = 1.0 - saturate(dot (normalize(worldViewDir), i.worldNormal));
-                c.rgb = (_RimColor.rgb * pow(rim, _RimFalloff)) * _RimColor.a;
+                c.rgb = (_RimColor.rgb * pow(rim, _RimFalloff)) * _RimColor.a * _RimOpacity;
                 half edgeGlow = 0;
                 edgeGlow = max(edgeGlow, pow(1-saturate(i.uv.x / _RimEdgeGlow), _RimEdgePow));
                 edgeGlow = max(edgeGlow, pow(1-saturate(i.uv.y / _RimEdgeGlow), _RimEdgePow));

Distribution/GameData/ConformalDecals/Parts/Generic/decal-generic.cfg

@@ -51,10 +51,6 @@ PART
   {
     name = ModuleConformalDecal
 
-    decalFront = Decal-Front
-    decalBack = Decal-Back
-    decalModel = Decal-Model
-
     useBaseNormal = true
 
     tile = 0, 2, 128, 112

Distribution/GameData/ConformalDecals/Parts/Semiotic/decal-semiotic.cfg

@@ -51,10 +51,6 @@ PART
   {
     name = ModuleConformalDecal
 
-    decalFront = Decal-Front
-    decalBack = Decal-Back
-    decalModel = Decal-Model
-
     useBaseNormal = true
 
     tileSize = 64, 64

Distribution/GameData/ConformalDecals/Parts/decal-flag.cfg

@@ -7,7 +7,6 @@ PART
   {
     model = ConformalDecals/Assets/decal-blank
     scale = 1.0, 1.0, 1.0
-    texture = blank, ConformalDecals/Flags/Peel-N-Stik
   }
   rescaleFactor = 1
 
@@ -52,10 +51,6 @@ PART
   {
     name = ModuleConformalFlag
 
-    decalFront = Decal-Front
-    decalBack = Decal-Back
-    decalModel = Decal-Model
-
     useBaseNormal = true
 
     defaultDepth = 0.2

Source/ConformalDecals/ModuleConformalDecal.cs

@@ -25,12 +25,12 @@ namespace ConformalDecals {
         /// <summary>
         /// Decal front transform name. Required
         /// </summary>
-        [KSPField] public string decalFront = string.Empty;
+        [KSPField] public string decalFront = "Decal-Front";
 
         /// <summary>
         /// Decal back transform name. Required if <see cref="updateBackScale"/> is true.
         /// </summary>
-        [KSPField] public string decalBack = string.Empty;
+        [KSPField] public string decalBack = "Decal-Back";
 
         /// <summary>
         /// Decal model transform name. Is rescaled to preview the decal scale when unattached.
@@ -38,7 +38,7 @@ namespace ConformalDecals {
         /// <remarks>
         /// If unspecified, the decal front transform is used instead.
         /// </remarks>
-        [KSPField] public string decalModel = string.Empty;
+        [KSPField] public string decalModel = "Decal-Model";
 
         /// <summary>
         /// Decal projector transform name. The decal will project along the +Z axis of this transform.
@@ -46,7 +46,7 @@ namespace ConformalDecals {
         /// <remarks>
         /// if unspecified, the part "model" transform will be used instead.
         /// </remarks>
-        [KSPField] public string decalProjector = string.Empty;
+        [KSPField] public string decalProjector = "Decal-Projector";
 
         // Parameters
 
@@ -389,9 +389,11 @@ namespace ConformalDecals {
 
             this.Log($"Decal attached to {part.parent.partName}");
 
-            // hide preview model
-            decalFrontTransform.gameObject.SetActive(false);
-            decalBackTransform.gameObject.SetActive(false);
+            // hide model
+            decalModelTransform.gameObject.SetActive(false);
+
+            // unhide projector
+            decalProjectorTransform.gameObject.SetActive(true);
 
             // add to preCull delegate
             Camera.onPreCull += Render;
@@ -404,9 +406,11 @@ namespace ConformalDecals {
         protected void OnDetach() {
             _isAttached = false;
 
-            // unhide preview model
-            decalFrontTransform.gameObject.SetActive(true);
-            decalBackTransform.gameObject.SetActive(true);
+            // unhide model
+            decalModelTransform.gameObject.SetActive(true);
+
+            // hide projector
+            decalProjectorTransform.gameObject.SetActive(false);
 
             // remove from preCull delegate
             Camera.onPreCull -= Render;
@@ -418,7 +422,7 @@ namespace ConformalDecals {
         protected void UpdateScale() {
             var aspectRatio = materialProperties.AspectRatio;
             Vector2 size;
-            
+
             switch (scaleMode) {
                 default:
                 case DecalScaleMode.HEIGHT:
@@ -452,9 +456,7 @@ namespace ConformalDecals {
                 _orthoMatrix[0, 3] = 0.5f;
                 _orthoMatrix[1, 3] = 0.5f;
 
-                _orthoMatrix[0, 0] = 1 / size.x;
-                _orthoMatrix[1, 1] = 1 / size.y;
-                _orthoMatrix[2, 2] = 1 / depth;
+                decalProjectorTransform.localScale = new Vector3(size.x, size.y, depth);
 
                 // update projection
                 foreach (var target in _targets) {