Define explicit template tint color shader

Author: STREGA

Sources/GateEngine/System/Rendering/Drawables/Scene.swift

@@ -93,7 +93,7 @@ import Shaders
             transforms: transforms,
             material: material,
             vsh: (material.channels.first?.texture != nil) ? .standard : material.channels.first?.color == .vertexColors ? .vertexColors : .standard,
-            fsh: (material.channels.first?.texture != nil) ? .textureSample : material.channels.first?.color == .vertexColors ? .vertexColor : .materialColor,
+            fsh: (material.channels.first?.texture != nil) ? .textureSampleTintColor : material.channels.first?.color == .vertexColors ? .vertexColor : .materialColor,
             flags: flags.drawCommandFlags(withPrimitive: .triangle, blendMode: blendMode)
         )
         self.insert(command)

Sources/GateEngine/System/Rendering/SystemShaders.swift

@@ -136,6 +136,15 @@ extension FragmentShader {
     }()
     /// Uses material.channel(0).texture to shade objects
     public static let textureSampleTintColor: FragmentShader = {
+        let fsh = FragmentShader()
+        let sample = fsh.channel(0).texture.sample(
+            at: fsh.input["texCoord0"]
+        )
+        fsh.output.color = Vec4(sample.rgb * fsh.channel(0).color.rgb, sample.a)
+        return fsh
+    }()
+    /// Uses material.channel(0).texture to shade objects
+    public static let textureSampleTemplateTintColor: FragmentShader = {
         let fsh = FragmentShader()
         let sample = fsh.channel(0).texture.sample(
             at: fsh.input["texCoord0"]