(Update) Clean Projet

Assets/Plugins/Stylized Water 3/Shaders/Libraries/Projection.hlsl

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+// Stylized Water 3 by Staggart Creations (http://staggart.xyz)
+// COPYRIGHT PROTECTED UNDER THE UNITY ASSET STORE EULA (https://unity.com/legal/as-terms)
+//    • Copying or referencing source code for the production of new asset store, or public, content is strictly prohibited!
+//    • Uploading this file to a public repository will subject it to an automated DMCA takedown request.
+
+#ifndef PROJECTION_UTILS_INCLUDED
+#define PROJECTION_UTILS_INCLUDED
+
+//Position, relative to rendering bounds (normalized 0-1)
+float2 WorldToProjectionUV(float3 positionWS, float2 origin, float size)
+{
+	return (positionWS.xz - origin.xy) / size;
+}
+
+float ProjectionEdgeMask(float3 positionWS, float2 origin, float size, float blendDistance)
+{
+	const float extents = (size * 0.499);
+
+	//Shift to origin
+	positionWS = positionWS - extents;
+	
+	const float2 boundsMin = origin.xy - extents;
+	const float2 boundsMax = origin.xy + extents;
+	
+	float2 weightDir = min(positionWS.xz - boundsMin, boundsMax - positionWS.xz) / blendDistance;
+	
+	return saturate(min(weightDir.x, weightDir.y));
+}
+
+#endif