はじめに

思いつき次第でいろいろ遊べそうな表現だったのでシァエします
安心と信頼のMade With Unity

シェーダ

タイトル通り簡単な頂点アニメーションとリムライトを加算合成しちゃうシェーダです
CameraのClearFlagsをSkyboxにすると映らなくなっちゃう（何かがおかしい）のでSolidColorにしてあげてください

AlbedoとかAlphaに何も入れてないからなのか...？

Yurayura.shader

Shader "Custom/Yurayura"
{
    Properties
    {
        _MainTex("Texture", 2D) = "white" {}
        _Color("Color", Color) = (1, 1, 1, 1)
        _Amplitude("Amplitude", float) = 1.0
        _RimPower("RimPower", Range(0.1, 10.0)) = 3.0
    }

    SubShader
    {
        Tags{ "RenderType"="Transparent" "Queue"="Transparent" }
        Blend One One
        Cull Back
        ZWrite Off

        CGPROGRAM
        #pragma surface surf Lambert vertex:vert
        #pragma target 3.0      
        #include "Noise.cginc"

        sampler2D _MainTex;
        float _Amplitude;
        float4 _Color;
        half _RimPower;

        struct Input
        {
            float2 uv_MainTex;
            float3 viewDir;
        };

        void vert(inout appdata_full v)
        {
            v.vertex.xyz += v.normal * _Amplitude * perlin(v.vertex.xyz * _Time.y);
        }

        void surf(Input IN, inout SurfaceOutput o)
        {
            float rim = 1.0 - saturate(dot(normalize(IN.viewDir), o.Normal));
            float3 rimColor = pow(rim, _RimPower);
            o.Emission = tex2D(_MainTex, IN.uv_MainTex).rgb * rimColor * _Color;
        }

        ENDCG
    }
    Fallback "Diffuse"
}

Noise.cginc

float rand(float2 co) 
{
    return frac(sin(dot(co.xy, float2(12.9898, 78.233))) * 43758.5453);
}

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

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) {
    return  (noise(pos) * 32 +
            noise(pos * 2 ) * 16 +
            noise(pos * 4) * 8 +
            noise(pos * 8) * 4 +
            noise(pos * 16) * 2 +
            noise(pos * 32) ) / 63;
}