中激光枪被融的效果，另外需要一个灰度噪声图

最新推荐文章于 2022-01-06 10:23:57 发布

转载最新推荐文章于 2022-01-06 10:23:57 发布 · 1.3k 阅读

本文介绍了一个Unity Shader实例，用于实现带有纹理坐标溶解效果的游戏对象。通过调整多种参数，如颜色、高光、溶解开始阈值等，可以创建复杂的视觉效果。Shader使用了Blinn-Phong光照模型，并包含了一些条件判断来实现溶解边界上的颜色渐变。

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很多注释的地方可以不注释，clip（ alpha-0.5）是剔除alpha小于0.5的部分。

Shader "Dissolve/Dissolve_TexturCoords" {

Properties {
    //_Color ("Main Color", Color) = (1,1,1,1)
    _SpecColor ("Specular Color", Color) = (0.5, 0.5, 0.5, 1)
    _Shininess ("Shininess", Range (0.03, 1)) = 0.078125
    _Amount ("Amount", Range (0, 1)) = 0.5
    _StartAmount("StartAmount", float) = 0.1
    _Illuminate ("Illuminate", Range (0, 1)) = 0.5
    _Tile("Tile", float) = 1
    _DissColor ("DissColor", Color) = (1,1,1,1)
    _ColorAnimate ("ColorAnimate", vector) = (1,1,1,1)
    _MainTex ("Base (RGB) Gloss (A)", 2D) = "white" {}
//    _BumpMap ("Normalmap", 2D) = "bump" {}
    _DissolveSrc ("DissolveSrc", 2D) = "white" {}
//    _DissolveSrcBump ("DissolveSrcBump", 2D) = "white" {}

}
SubShader {
    //Tags { "RenderType"="Opaque" }
    //LOD 400
    cull off


CGPROGRAM
#pragma target 3.0
#pragma surface surf BlinnPhong addshadow

sampler2D _MainTex;
//sampler2D _BumpMap;
sampler2D _DissolveSrc;
//sampler2D _DissolveSrcBump;

fixed4 _Color;
half4 _DissColor;
half _Shininess;
half _Amount;
static half3 Color = float3(1,1,1);
half4 _ColorAnimate;
half _Illuminate;
half _Tile;
half _StartAmount;

struct Input {
    float2 uv_MainTex;
//    float2 uv_BumpMap;
    float2 uvDissolveSrc;
};

//void vert (inout appdata_full v, out Input o) {}

void surf (Input IN, inout SurfaceOutput o) {
    fixed4 tex = tex2D(_MainTex, IN.uv_MainTex);
    o.Albedo = tex.rgb; //* _Color.rgb;

    float ClipTex = tex2D (_DissolveSrc, IN.uv_MainTex/_Tile).r ;
    float ClipAmount = ClipTex - _Amount;
    //float Clip = 0;
    //float4 DematBump =  tex2D (_DissolveSrcBump,IN.uv_MainTex/_Tile);
    //o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap));
//if (_Amount > 0)
{
    //if (ClipAmount <0)
    {
    //    Clip = 1; //clip(-0.1);

    }
    // else
     {

        if (ClipAmount < _StartAmount)
        {
            //if (_ColorAnimate.x == 0)
            //    Color.x = _DissColor.x;
            //else
                Color.x = ClipAmount*10;///_StartAmount;

            //if (_ColorAnimate.y == 0)
            //    Color.y = _DissColor.y;
            //else
                Color.y = ClipAmount*10;//_StartAmount;

            //if (_ColorAnimate.z == 0)
            //    Color.z = _DissColor.z;
            //else
                Color.z = ClipAmount*10;//_StartAmount;

            o.Albedo  = (o.Albedo *((Color.x+Color.y+Color.z))* Color*((Color.x+Color.y+Color.z)))/(1 - _Illuminate);
            //o.Normal = UnpackNormal(tex2D(_DissolveSrcBump, IN.uvDissolveSrc));

        }
     }
}

if (ClipAmount <0)
{
    clip(-0.1);
}


    //////////////////////////////////
    //
    o.Gloss = tex.a;
    o.Alpha = tex.a;// * _Color.a;
    o.Specular = _Shininess;
    clip(o.Alpha-0.5);// my adding
}
ENDCG
}

FallBack "Specular"
}