103 lines
4.3 KiB
Plaintext
103 lines
4.3 KiB
Plaintext
Shader "MoleGame/Particles/Alpha_UVAnim_Dissolution"
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{
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Properties {
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_MainTex ("MainTex", 2D) = "white" {}
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_TintColor ("Color", Color) = (0,0,0,1)
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_U_Speed ("U_Speed", Float ) = 0
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_V_Speed ("V_Speed", Float ) = -1
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_Add ("Add", Float ) = 1
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_Dissolution_T ("Dissolution_T", 2D) = "white" {}
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_Dissolution_01 ("Dissolution_01", Float ) = 0
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_U_Speed_02 ("U_Speed_02", Float ) = 0
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_V_Speed_02 ("V_Speed_02", Float ) = -1
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_Fresnel ("Fresnel", Float ) = 1
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_DissolutionAdd ("DissolutionAdd", Float ) = 0 // 溶解系数，0表示关闭
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//[HideInInspector]_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
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}
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SubShader {
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Tags {
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"IgnoreProjector"="True"
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"Queue"="Transparent"
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"RenderType"="Transparent"
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}
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Pass {
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Name "FORWARD"
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Tags {
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"LightMode"="ForwardBase"
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}
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Blend SrcAlpha OneMinusSrcAlpha
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Cull Off
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//AlphaToMask On
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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//#define UNITY_PASS_FORWARDBASE
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#include "UnityCG.cginc"
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//#pragma multi_compile_fwdbase
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#pragma target 3.0
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uniform sampler2D _MainTex;
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uniform half4 _MainTex_ST;
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uniform half4 _TintColor;
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uniform half _U_Speed;
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uniform half _V_Speed;
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uniform half _Add;
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uniform sampler2D _Dissolution_T;
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uniform half4 _Dissolution_T_ST;
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uniform half _Dissolution_01;
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uniform half _U_Speed_02;
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uniform half _V_Speed_02;
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uniform half _Fresnel;
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uniform float _DissolutionAdd;
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struct VertexInput {
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half4 vertex : POSITION;
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half3 normal : NORMAL;
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half4 texcoord0 : TEXCOORD0;
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fixed4 vertexColor : COLOR;
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};
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struct VertexOutput {
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half4 pos : SV_POSITION;
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half4 uv : TEXCOORD0;
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half4 posWorld : TEXCOORD1;
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half3 normalDir : TEXCOORD2;
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fixed4 vertexColor : COLOR;
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};
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VertexOutput vert (VertexInput v) {
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VertexOutput o = (VertexOutput)0;
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o.uv = v.texcoord0;
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o.vertexColor = v.vertexColor;
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o.normalDir = UnityObjectToWorldNormal(v.normal);
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// 计算顶点动画，_DissolutionAdd = 0 时表示关闭
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half2 uv_t = (o.uv + (fmod(_Time.y, 10) * half2(_U_Speed_02, _V_Speed_02)));
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float4 _Dissolution_T_var = tex2Dlod(_Dissolution_T,float4(TRANSFORM_TEX(uv_t, _Dissolution_T),0.0,0));
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v.vertex.xyz += (_Dissolution_T_var.r * v.normal * _DissolutionAdd);
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o.posWorld = mul(unity_ObjectToWorld, v.vertex);
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o.pos = UnityObjectToClipPos( v.vertex );
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return o;
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}
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float4 frag(VertexOutput i, float facing : VFACE) : COLOR {
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//float isFrontFace = ( facing >= 0 ? 1 : 0 );
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fixed faceSign = sign(facing);//( facing >= 0 ? 1 : -1 );
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i.normalDir = normalize(i.normalDir);
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i.normalDir *= faceSign;
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fixed3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
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fixed3 normalDirection = i.normalDir;
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half2 uv_t = (i.uv+(fmod(_Time.y,10)*half2(_U_Speed,_V_Speed)));
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fixed4 _Dissolution_T_var = tex2D(_Dissolution_T,TRANSFORM_TEX(uv_t, _Dissolution_T));
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_Dissolution_01 = max(_Dissolution_01, 0.0001);
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fixed z = max(i.uv.z, 0.0001);
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clip(((_Dissolution_T_var.r/_Dissolution_01)*z + _DissolutionAdd) - 0.5);
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////// Emissive:
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fixed4 _MainTex_var = tex2D(_MainTex,TRANSFORM_TEX(uv_t, _MainTex));
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fixed fresnel = pow(1.0-max(0,dot(normalDirection, viewDirection)),_Fresnel);
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fixed3 col = fresnel * (_MainTex_var.rgb*i.vertexColor.rgb*_TintColor.rgb*_Add);
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fixed alpha = _MainTex_var.a*i.vertexColor.a*_TintColor.a;
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return fixed4(col,alpha);
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}
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ENDCG
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}
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}
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}
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