Add emission color control.

Author: Keijiro Takahashi

Assets/CubeCluster/CubeClusterRenderer.cs

@@ -45,6 +45,7 @@ public class CubeClusterRenderer : MonoBehaviour
         #region Private members
 
         float[] _randomParams = new float[8];
+        Color _emissionColor;
         float _time;
 
         #endregion
@@ -56,6 +57,8 @@ public void ResetParams()
             for (var i = 0; i < 8; i++)
                 _randomParams[i] = Random.value > 0.66f ? 1 : 0;
 
+            _emissionColor = Color.HSVToRGB(Random.value, 0.5f, 1);
+
             _time = 0;
         }
 
@@ -86,6 +89,7 @@ void Update()
             _material.SetTexture("_MainTex", _metallicMap);
             _material.SetTexture("_BumpMap", _normalMap);
             _material.SetFloat("_BumpScale", 1);
+            _material.SetColor("_Emission", _emissionColor);
 
             _material.SetFloat("_Size", 1.0f / _mesh.columnCount);
             _material.SetFloat("_TextureScale", _textureScale);

Assets/CubeCluster/Shader/CubeCluster.shader

@@ -6,6 +6,7 @@
         _MainTex("", 2D) = "white" {}
         _BumpMap("", 2D) = "bump"{}
         _BumpScale("", Float) = 1
+        _Emission("", Color) = (1, 1, 1, 1)
     }
     SubShader
     {
@@ -22,6 +23,7 @@
         sampler2D _MainTex;
         sampler2D _BumpMap;
         half _BumpScale;
+        half4 _Emission;
 
         float _Size;
         float _TextureScale;
@@ -151,7 +153,7 @@
             // apply modification
             v.vertex.xyz = rotate_vector(vpos, rot) * scale + offs;
             v.normal = rotate_vector(v.normal, rot);
-            v.color = dft2 * float4(3, 1.2, 1, 0);
+            v.color = dft2 * _Emission * 3;
 
             // texture coordnate
             v.texcoord.xy *= _TextureScale;