Shader "PengLu/DissolveVF" {

Properties{

_MainTex("Base (RGB)", 2D) = "white" {}

_DissolveTex("DissolveTex (RGB)", 2D) = "white" {}

_LightTex("DissolveTex (RGB)", 2D) = "white" {}

_Tile("DissolveTile", Range(0.1, 1)) = 1

_Amount("DissAmount", Range(0, 1)) = 0.5

_DissSize("DissSize", Range(0, 1)) = 0.1

_DissColor("DissColor", Color) = (1,0,0,1)

_AddColor("AddColor", Color) = (1,1,0,1)

_LightPra("LightColor", Range(1, 2)) = 1

}

SubShader{

Tags { "RenderType" = "Opaque" "LightMode" = "ForwardBase"}

LOD 100

Pass {

CGPROGRAM

#pragma vertex vert

#pragma fragment frag

#pragma multi_compile_fog

#include "UnityCG.cginc"

#include "Lighting.cginc"

sampler2D _MainTex,_DissolveTex,_LightTex;

fixed4 _MainTex_ST,_DissolveTex_ST, _LightTex_ST;

half _Tile, _LightPra,_Amount,_DissSize;

half4 _DissColor,_AddColor;

struct appdata_t {

float4 vertex : POSITION;

float2 texcoord : TEXCOORD0;

float2 texcoord1 : TEXCOORD1;

float3 normal : NORMAL;

};

struct v2f {

float4 vertex : SV_POSITION;

half2 texcoord : TEXCOORD0;

half2 texcoord1 : TEXCOORD1;

fixed3 color : COLOR;

};

v2f vert(appdata_t v)

{

v2f o;

o.vertex = UnityObjectToClipPos(v.vertex);

o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);

o.texcoord1 = TRANSFORM_TEX(v.texcoord1, _MainTex);

//o.texcoord1 = v.texcoord1;

UNITY_TRANSFER_FOG(o,o.vertex);

fixed3 worldNormal = normalize(mul(v.normal, (float3x3)unity_WorldToObject));

fixed3 worldLight = normalize(_WorldSpaceLightPos0.xyz);

fixed3 diffuse = _LightColor0.rgb * saturate(dot(worldNormal, worldLight));

o.color = diffuse; //漫射光

return o;

}

fixed4 frag(v2f i) : SV_Target

{

fixed4 col = tex2D(_MainTex, i.texcoord);

fixed4 col_light = tex2D(_LightTex, i.texcoord1);

float ClipTex = tex2D(_DissolveTex, i.texcoord1 / _Tile).r;

float ClipAmount = ClipTex - _Amount;

if (_Amount > 0)

{

if (ClipAmount <= 0)

{

clip(-0.1);

}

else {

if (ClipAmount < _DissSize)

{

float4 finalColor = lerp(_DissColor,_AddColor,ClipAmount / _DissSize) * 2;

col = col * finalColor;

}

}

}

UNITY_APPLY_FOG(i.fogCoord, col);

UNITY_OPAQUE_ALPHA(col.a);

return col* col_light*_LightPra;

}

ENDCG

}

}

}

本人qq：344810449，一起研究技术。

作者：unity游侠

链接：https://blog.csdn.net/y90o08u28/article/details/87262908

来源：CSDN
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