適当に作った 出現エフェクト用 Shader

Appear.shader

// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

Shader "App/Appear"
{
    Properties
    {
        _MainTex ("Texture", 2D) = "white" {}
        _Height("_Height",Float) = 1.0
        _AppearTime ("_AppearTime", Range(0.0,1.0)) = 1.0 // sliders
        _AppearColor ("_AppearColor", Color) = (.34, .85, .92, 1) // color
    }
    SubShader
    {
        // No culling or depth
        Cull Off ZWrite On ZTest LEqual 
        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            
            #include "UnityCG.cginc"
            struct appdata
            {
                float4 vertex : POSITION;
                float2 uv : TEXCOORD0;
            };\
            struct v2f
            {
                float2 uv : TEXCOORD0;
                float2 originpos:TECOORD1;
                float4 vertex : SV_POSITION;
            };
            sampler2D _MainTex;
            fixed _AppearTime;
            half _Height;
            fixed4 _AppearColor;

            v2f vert (appdata v)
            {
                v2f o;
                half timeFirst = clamp(_AppearTime * 3.0 , 0.0 , 1.0);
                half timeSecond = clamp(_AppearTime * 2.0 , 0.0 , 1.0);
                half param = timeFirst - timeSecond;
                o.originpos = float2( v.vertex.x , abs( v.vertex.y) );
                v.vertex.y = clamp(v.vertex.y ,-_Height * timeFirst , _Height * timeFirst );
                o.vertex = UnityObjectToClipPos(v.vertex );
                o.uv = v.uv;
                return o;
            }
            fixed4 frag (v2f i) : SV_Target
            {
                fixed4 blackCol = fixed4(0.0 , 0.0 , 0.0 , 0.0);
                fixed4 texColor = tex2D(_MainTex, i.uv);
                half time = _AppearTime + (1.0 - i.originpos.y) / _Height * 0.3;
                half timeFirst = clamp( time * 4 , 0.0 , 1.0);
                half timeSecond = clamp( ( time - 0.25) * 1.4 , 0.0 , 1.0);
                fixed4 col = lerp( lerp( blackCol , _AppearColor ,timeFirst) ,texColor , timeSecond);
                col.a = 1.0;
                return col;
            }
            ENDCG
        }
    }
}