111 lines
2.7 KiB
Plaintext
111 lines
2.7 KiB
Plaintext
// Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt)
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Shader "Mirza Beig/Particles/Distance Fade/Anim Alpha Blended" {
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Properties {
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_TintColor ("Tint Color", Color) = (0.5,0.5,0.5,0.5)
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_MainTex ("Particle Texture", 2D) = "white" {}
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_InvFade ("Soft Particles Factor", Range(0.01,3.0)) = 1.0
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_FadeMin("Fade Min", Range(0.0, 10.0)) = 1.0
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_FadeMax("Fade Max", Range(0.0, 10.0)) = 2.0
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}
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Category {
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Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" "PreviewType"="Plane" }
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Blend SrcAlpha OneMinusSrcAlpha
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ColorMask RGB
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Cull Off Lighting Off ZWrite Off
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SubShader {
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Pass {
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma target 2.0
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#pragma multi_compile_particles
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#pragma multi_compile_fog
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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fixed4 _TintColor;
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struct appdata_t {
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float4 vertex : POSITION;
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fixed4 color : COLOR;
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float4 texcoords : TEXCOORD0;
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float texcoordBlend : TEXCOORD1;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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fixed4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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float2 texcoord2 : TEXCOORD1;
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fixed blend : TEXCOORD2;
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UNITY_FOG_COORDS(3)
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#ifdef SOFTPARTICLES_ON
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float4 projPos : TEXCOORD4;
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#endif
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UNITY_VERTEX_OUTPUT_STEREO
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};
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float4 _MainTex_ST;
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float _FadeMin;
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float _FadeMax;
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v2f vert (appdata_t v)
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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o.vertex = UnityObjectToClipPos(v.vertex);
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#ifdef SOFTPARTICLES_ON
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o.projPos = ComputeScreenPos (o.vertex);
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COMPUTE_EYEDEPTH(o.projPos.z);
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#endif
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o.color = v.color * _TintColor;
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float4 viewPos = mul(UNITY_MATRIX_MV, v.vertex);
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float distance = -viewPos.z - _ProjectionParams.y;
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float alpha = (distance - _FadeMin) / _FadeMax;
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alpha = min(alpha, 1.0);
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o.color.a *= alpha;
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o.texcoord = TRANSFORM_TEX(v.texcoords.xy,_MainTex);
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o.texcoord2 = TRANSFORM_TEX(v.texcoords.zw,_MainTex);
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o.blend = v.texcoordBlend;
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UNITY_TRANSFER_FOG(o,o.vertex);
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return o;
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}
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UNITY_DECLARE_DEPTH_TEXTURE(_CameraDepthTexture);
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float _InvFade;
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fixed4 frag (v2f i) : SV_Target
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{
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#ifdef SOFTPARTICLES_ON
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float sceneZ = LinearEyeDepth (SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.projPos)));
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float partZ = i.projPos.z;
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float fade = saturate (_InvFade * (sceneZ-partZ));
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i.color.a *= fade;
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#endif
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fixed4 colA = tex2D(_MainTex, i.texcoord);
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fixed4 colB = tex2D(_MainTex, i.texcoord2);
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fixed4 col = 2.0f * i.color * lerp(colA, colB, i.blend);
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UNITY_APPLY_FOG(i.fogCoord, col);
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return col;
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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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}
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