added cascade property

Phunkyio · Mar 9, 2019 · 93423d3 · 93423d3
1 parent 61a62a3
commit 93423d3
Showing 1 changed file with 12 additions and 7 deletions.
diff --git a/phunky-shaders/shader-dev/barrier-projector.shader b/phunky-shaders/shader-dev/barrier-projector.shader
@@ -1,13 +1,15 @@
 // Upgrade NOTE: replaced '_Object2World' with 'unity_ObjectToWorld'
 // Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
 // Derivative of https://www.youtube.com/watch?v=C6lGEgcHbWc
+// added Cascading Speed property
 
-Shader "Phunky/Barrier"
+Shader "Phunky/Dev/Barrier"
 {
 	Properties
 	{
 		_MainTex ("Texture", 2D) = "white" {}
 		_Color ("Color", Color) = (0,0,0,0)
+		_CascadeSpeed ("Cascade Speed", Int) = 5
 	}
 
 	SubShader
@@ -47,6 +49,7 @@ Shader "Phunky/Barrier"
 				float4 vertex : SV_POSITION;
 				float depth : DEPTH;
 				float3 normal : NORMAL;
+				float4 projPos : TEXCOORD04;
 			};
 
 			sampler2D _MainTex;
@@ -69,9 +72,10 @@ Shader "Phunky/Barrier"
 				return o;
 			}
 
+			// UNITY_DECLARE_SCREENSPACE_TEXTURE(_CameraDepthNormalsTexture);
 			UNITY_DECLARE_DEPTH_TEXTURE(_CameraDepthTexture);
-			//sampler2D _CameraDepthTexture;
 			fixed4 _Color;
+			float _CascadeSpeed;
 
 			float triWave(float t, float offset, float yOffset)
 			{
@@ -81,19 +85,20 @@ Shader "Phunky/Barrier"
 			fixed4 texColor(v2f i, float rim)
 			{
 				fixed4 mainTex = tex2D(_MainTex, i.uv);
-				mainTex.r *= triWave(_Time.x * 5, abs(i.objectPos.y) * 2, -0.7) * 6;
-				// I ended up saturaing the rim calculation because negative values caused weird artifacts
+				mainTex.r *= triWave(_Time.x * _CascadeSpeed, abs(i.objectPos.y) * 2, -0.7) * 6;
 				mainTex.g *= saturate(rim) * (sin(_Time.z + mainTex.b * 5) + 1);
 				return mainTex.r * _Color + mainTex.g * _Color;
 			}
 
 			fixed4 frag (v2f i) : SV_Target
 			{
-				float screenDepth = DecodeFloatRG(tex2D(_CameraDepthTexture, i.screenuv).zw);
-				// float screenDepth = LinearEyeDepth (SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.projPos)));
+				//this is not working, idk why, so sad
+				// float screenDepth = DecodeFloatRG(tex2D(_CameraDepthNormalsTexture, i.uv).zw); barrier
+				// float screenDepth = LinearEyeDepth (tex2Dproj(_CameraDepthTexture, UNITY_PROJ_COORD(i.projPos))); world triplanar
+				float screenDepth = LinearEyeDepth (SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.projPos)));
 				float diff = screenDepth - i.depth;
 				float intersect = 0;
-				
+
 				if (diff > 0)
 					intersect = 1 - smoothstep(0, _ProjectionParams.w * 0.5, diff);