improve look

Author: gam0022

Assets/Demoscene/Projects/2018-07-12-Lava/Lava.mat

@@ -23,10 +23,10 @@ Material:
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     m_Floats:
-    - _CellularPower: 0.038
+    - _CellularPower: 0.066
     - _FlowIntensity: 0.32
     - _FlowSpeed: 0.5
-    - _FlowThreshold: 1.267
+    - _FlowThreshold: 1.244
     - _Loop: 50
     - _MinDistance: 0.01
     - _ShadowExtraBias: 0.802
@@ -35,5 +35,6 @@ Material:
     m_Colors:
     - _Diffuse: {r: 0.9528302, g: 0.004494493, b: 0.004494493, a: 1}
     - _Emission: {r: 0, g: 0, b: 0, a: 0}
-    - _LavaEmmisiveHigh: {r: 1, g: 0.24644177, b: 0, a: 1}
+    - _LavaEmmisiveHigh: {r: 1, g: 0.46109614, b: 0.0141509175, a: 1}
+    - _LavaEmmisiveLow: {r: 0.77254903, g: 0.2903899, b: 0, a: 1}
     - _Specular: {r: 0, g: 0, b: 0, a: 0}

Assets/Demoscene/Projects/2018-07-12-Lava/Lava.shader

@@ -18,6 +18,7 @@ Properties
 // @block Properties
 _CellularPower("Cellular Power", Range(0.0, 1.0)) = 0.5
 [HDR] _LavaEmmisiveHigh("Lava Emmisive High", Color) = (1.0, 0.0, 0.0, 1.0)
+[HDR] _LavaEmmisiveLow("Lava Emmisive Low", Color) = (1.0, 0.0, 0.0, 1.0)
 _Noise("Noise", 2D) = "gray" {}
 _FlowThreshold("Flow Threshold", Range(1.0, 2.0)) = 0.5
 _FlowIntensity("Flow Intensity", Range(0.0, 1.0)) = 0.2
@@ -70,6 +71,7 @@ inline float DistanceFunction(float3 pos)
 // @endblock
 
 // @block PostEffect
+float4 _LavaEmmisiveLow;
 float4 _LavaEmmisiveHigh;
 sampler2D _Noise;
 float _FlowThreshold;
@@ -130,7 +132,9 @@ float lavaFlow(in vec2 p)
 
 inline void PostEffect(RaymarchInfo ray, inout PostEffectOutput o)
 {
-    o.emission = step(ray.endPos.y, _FlowThreshold + _FlowIntensity * lavaFlow(ray.endPos.xz)) * _LavaEmmisiveHigh;
+    float flow = lavaFlow(ray.endPos.xz);
+    float4 emission = lerp(_LavaEmmisiveLow, _LavaEmmisiveHigh, saturate(remap(flow, 0.6, 0.7)));
+    o.emission = step(ray.endPos.y, _FlowThreshold + _FlowIntensity * flow) * emission;
     // o.emission = lavaFlow(ray.endPos.xz) * _LavaEmmisiveHigh;
 }
 // @endblock

Assets/Demoscene/Shaders/Includes/Common.cginc

@@ -1,6 +1,16 @@
 #ifndef __COMMON__
 #define __COMMON__
 
+float remap(float s, float a1, float a2, float b1, float b2)
+{
+    return b1 + (s - a1 ) * (b2 - b1) / (a2 - a1);
+}
+
+float remap(float s, float a1, float a2)
+{
+    return (s - a1 ) / (a2 - a1);
+}
+
 float2x2 rotateMat(float theta)
 {
     float c = cos(theta);