feat: added a manual/test ripple to the shader inspector

Assets/Materials/URP PBR Ripples.mat

@@ -26,9 +26,9 @@ Material:
   m_ModifiedSerializedProperties: 0
   m_ValidKeywords:
   - _ALPHAPREMULTIPLY_ON
+  - _MANUAL_RIPPLE
   - _OCCLUSIONMAP
   - _SPECULARHIGHLIGHTS_OFF
-  - _SPECULAR_SETUP
   - _SURFACE_TYPE_TRANSPARENT
   m_InvalidKeywords: []
   m_LightmapFlags: 4
@@ -135,17 +135,23 @@ Material:
     - _Glossiness: 0
     - _GlossyReflections: 0
     - _ImpactSpeed: 4.22
+    - _ManualRipple: 1
+    - _ManualRippleAmplitude: 0.1
+    - _ManualRippleAnim: 0
+    - _ManualRippleDensity: 15
+    - _ManualRippleFrequency: 20
+    - _ManualRippleRadius: 4
     - _MaxWaveDistortion: 1.13
-    - _Metallic: 0.967
+    - _Metallic: 0.88
     - _MetallicSpecGlossMapToggle: 0
-    - _MetallicSpecToggle: 1
+    - _MetallicSpecToggle: 0
     - _NormalMapToggle: 0
     - _OcclusionStrength: 1
     - _OcclusionToggle: 1
     - _Parallax: 0.005
     - _QueueOffset: 0
     - _ReceiveShadows: 1
-    - _Smoothness: 0.914
+    - _Smoothness: 0.906
     - _SmoothnessSource: 0
     - _SmoothnessTextureChannel: 1
     - _SpecularHighlights: 1
@@ -178,12 +184,13 @@ Material:
     - _shield_pulse_radius: 1
     - _shield_size: 0
     m_Colors:
-    - _BaseColor: {r: 0, g: 1, b: 0.029850721, a: 0.45490196}
+    - _BaseColor: {r: 0, g: 1, b: 0.029850721, a: 0.39607844}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
     - _EmissionColor: {r: 4, g: 1.9433963, b: 1.9433963, a: 0}
     - _ImpactOrigin: {r: 1, g: 0, b: 0, a: 0}
+    - _ManualRippleOrigin: {r: 1, g: 0, b: 0, a: 0}
     - _ModelOrigin: {r: 0, g: 0, b: 0, a: 0}
-    - _SpecColor: {r: 0.9433962, g: 0.9433962, b: 0.9433962, a: 1}
+    - _SpecColor: {r: 0.990566, g: 0.990566, b: 0.990566, a: 1}
     - _WaveOrigin: {r: 1, g: 0, b: 0, a: 0}
     - _impact_origin: {r: 1, g: 0, b: 0, a: 1}
     - _rotation: {r: 0.1, g: 0, b: 0, a: 1}

Assets/ParameterConfigurations/.~lock.StandardPlayerSettings.csv#

@@ -0,0 +1 @@
+Jakob Feldmann,J4K0B/jakob,J4K0B,23.02.2024 15:25,file:///C:/Users/jakob/AppData/Roaming/OpenOffice/4;

Assets/Shaders/URP_PBRLitRipples.shader

@@ -64,13 +64,19 @@ Shader "CustomShaders/GlossyPBRRipples" {
 		[HDR] _EmissionColor("Emission Color", Color) = (0,0,0)
 		[NoScaleOffset]_EmissionMap("Emission Map", 2D) = "white" {}
 
+		[Space(20)]
+		[Toggle(_MANUAL_RIPPLE)] _ManualRipple("Use Manual/Test Ripple", Float) = 0
+		_ManualRippleOrigin("Ripple Origin", Vector) = (0,0,0)
+		_ManualRippleFrequency("Ripple Frequency", Float) = 0
+		_ManualRippleDensity("Ripple Density", Float) = 0
+		_ManualRippleAmplitude("Ripple Amplitude", Float) = 0
+		_ManualRippleRadius("Ripple Effect Radius", Float) = 0
+		_ManualRippleAnim("Ripple Animation Progress", Range(0.0, 1.0)) = 0
+
 		// These are inverted fom what the URP/Lit shader does which is a bit annoying.
 		// They would usually be handled by the Lit ShaderGUI but I'm using Toggle instead,
 		// which assumes the keyword is more of an "on" state.
 		// Not including Detail maps in this template
-
-		// [Space(20)]
-		// [Toggle(_)]
 	}
 	SubShader {
 		Tags {
@@ -122,6 +128,13 @@ Shader "CustomShaders/GlossyPBRRipples" {
 			return i * smoothstep(radius, 0, dist);
 		}
 
+		half _ComputeManualRipple(half3 vert, half3 orig, half radius, half freq, half dens, half ampl, half anim) {
+			half dist = distance(vert, orig);
+			half i = sin((freq * anim - dist * dens)) * ampl * _TrapezoidEase(anim * 2 - 1);
+			// Displacement gets lower as it approaches the set max distance
+			return i * smoothstep(radius, 0, dist);
+		}
+
 		ENDHLSL
 
 		Pass {
@@ -143,6 +156,14 @@ Shader "CustomShaders/GlossyPBRRipples" {
 			half _RippleRadii[5];
 			half _RippleStartTimes[5];
 			half _RippleDurations[5];
+			// These are the properties for the singular ripple which can be adjusted in the
+			// inspector.
+			half3 _ManualRippleOrigin = {0,0,0};
+			half _ManualRippleRadius = 0;
+			half _ManualRippleFrequency = 0;
+			half _ManualRippleDensity = 0;
+			half _ManualRippleAmplitude = 0;
+			half _ManualRippleAnim = 0;
 
 			#pragma vertex LitPassVertex
 			#pragma fragment LitPassFragment
@@ -159,6 +180,8 @@ Shader "CustomShaders/GlossyPBRRipples" {
 			#pragma shader_feature_local_fragment _METALLICSPECGLOSSMAP
 			#pragma shader_feature_local_fragment _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A
 			#pragma shader_feature_local_fragment _OCCLUSIONMAP
+			#pragma shader_feature_local_vertex _MANUAL_RIPPLE
+			
 
 			//#pragma shader_feature_local _PARALLAXMAP // v10+ only
 			//#pragma shader_feature_local _ _DETAIL_MULX2 _DETAIL_SCALED // v10+ only
@@ -267,6 +290,17 @@ Shader "CustomShaders/GlossyPBRRipples" {
 						_RippleDurations[i]);
 				IN.positionOS.xyz += IN.normalOS * ripple_displacement;
 
+				#if _MANUAL_RIPPLE
+					ripple_displacement += _ComputeManualRipple(IN.positionOS.xyz,
+						_ManualRippleOrigin,
+						_ManualRippleRadius,
+						_ManualRippleFrequency,
+						_ManualRippleDensity,
+						_ManualRippleAmplitude,
+						_ManualRippleAnim);
+					IN.positionOS.xyz += IN.normalOS * ripple_displacement;
+				#endif
+
 				// if _TestRipple
 
 				VertexPositionInputs positionInputs = GetVertexPositionInputs(IN.positionOS.xyz);