코드

Shader "Unlit/KUMO"
{
    Properties
    {
        _MainTex ("Texture", 2D) = "white" {}
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        LOD 100

        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            // make fog work
            #pragma multi_compile_fog

            #include "UnityCG.cginc"

            struct appdata
            {
                float4 vertex : POSITION;
                float2 uv : TEXCOORD0;
            };

            struct v2f
            {
                float2 uv : TEXCOORD0;
                UNITY_FOG_COORDS(1)
                float4 vertex : SV_POSITION;
            };

            sampler2D _MainTex;
            float4 _MainTex_ST;

            float Circle(float2 p){
                p*= 10.0;

                return ((p.x*p.x+p.y*p.y)-10);
            }

            v2f vert (appdata v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
                UNITY_TRANSFER_FOG(o,o.vertex);
                return o;
            }

            float rand(float3 co)
{
return frac(sin(dot(co.xyz, float3(12.9898, 78.233, 56.787))) * 43758.5453);
}

            float rings(float2 p){
                return sin(length(p)*100);
            }

            float noise(float3 pos)
{
float3 ip = floor(pos);
float3 fp = smoothstep(0, 1, frac(pos));
float4 a = float4(
rand(ip + float3(0, 0, 0)),
rand(ip + float3(1, 0, 0)),
rand(ip + float3(0, 1, 0)),
rand(ip + float3(1, 1, 0)));
float4 b = float4(
rand(ip + float3(0, 0, 1)),
rand(ip + float3(1, 0, 1)),
rand(ip + float3(0, 1, 1)),
rand(ip + float3(1, 1, 1)));
a = lerp(a, b, fp.z);
a.xy = lerp(a.xy, a.zw, fp.y);
return lerp(a.x, a.y, fp.x);
}

            float perlin(float3 pos,float time){
            return 
(noise(pos) +
noise(pos * 2 ) +
noise(pos * 4) +
noise(pos * 8) +
noise(pos * 16-time) +
noise(pos * 32+time) ) / 6;
}


            fixed4 frag (v2f i) : SV_Target
            {

                float s = _Time*10;



               float2 m = i.uv+perlin (float3(_Music*10,_Music*10,0),s);
               float4 col = float4(0,0,1,1)+float4(perlin (float3(i.uv,0),s),perlin (float3(i.uv,0),s),perlin (float3(i.uv,0),s),1);

               return col;
                }



            ENDCG
        }
    }
}