renderer: Ditch lerp vertex shader.

Author: freezy

Assets/Resources/Prefabs/Ball.prefab

@@ -27,7 +27,7 @@ Transform:
   m_GameObject: {fileID: 3137072635913329210}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
-  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_LocalScale: {x: 0.05, y: 0.05, z: 0.05}
   m_Children: []
   m_Father: {fileID: 7359349221216736378}
   m_RootOrder: 0
@@ -106,7 +106,7 @@ Transform:
   m_GameObject: {fileID: 7581969690477629512}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
-  m_LocalScale: {x: 0.05, y: 0.05, z: 0.05}
+  m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children:
   - {fileID: 3918960386272536723}
   m_Father: {fileID: 0}

Runtime/MaterialConverter.cs

@@ -53,9 +53,7 @@ public Shader GetShader()
 
 		private Shader GetShader(PbrMaterial vpxMaterial)
 		{
-			return vpxMaterial.VertexLerpWithUvEnabled
-				? Shader.Find("Visual Pinball/Srp/LerpVertex")
-				: GetShader();
+			return GetShader();
 		}
 
 		public static Material GetDefaultMaterial(BlendMode blendMode)
@@ -85,11 +83,6 @@ public Material CreateMaterial(PbrMaterial vpxMaterial, ITextureProvider texture
 			unityMaterial.CopyPropertiesFromMaterial(defaultMaterial);
 			unityMaterial.name = vpxMaterial.Id;
 
-			if (vpxMaterial.VertexLerpWithUvEnabled) {
-				unityMaterial.SetFloat(UVChannelVertices, Mesh.AnimationUVChannelVertices);
-				unityMaterial.SetFloat(UVChannelNormals, Mesh.AnimationUVChannelNormals);
-			}
-
 			// apply some basic manipulations to the color. this just makes very
 			// very white colors be clipped to 0.8204 aka 204/255 is 0.8
 			// this is to give room to lighting values. so there is more modulation