* amplify shader editor

1 files changed, 26 insertions, 0 deletions

diff --git a/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_LightAttenuation.shader b/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_LightAttenuation.shader
new file mode 100644
index 00000000..a3fc3842
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_LightAttenuation.shader
@@ -0,0 +1,26 @@
+Shader "Hidden/LightAttenuation"
+{
+	SubShader
+	{
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert_img
+			#pragma fragment frag
+			#include "UnityCG.cginc"
+			#include "Lighting.cginc"
+
+			float4 _EditorWorldLightPos;
+
+			float4 frag(v2f_img i) : SV_Target
+			{
+				float2 xy = 2 * i.uv - 1;
+				float z = -sqrt(1-saturate(dot(xy,xy)));
+				float3 worldNormal = normalize(float3(xy, z));
+				float3 lightDir = normalize( _EditorWorldLightPos.xyz );
+				return saturate(dot(worldNormal ,lightDir) * 10 + 0.1);
+			}
+			ENDCG
+		}
+	}
+}