添加一个1990-esque滤镜
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fileFormatVersion: 2
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guid: 0ce767def8dc52b45a2927089faae71a
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folderAsset: yes
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DefaultImporter:
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externalObjects: {}
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userData:
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Shader "Filter/1990-esque"
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{
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Properties
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{
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_MainTex ("Base (RGB)", 2D) = "white" {}
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}
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SubShader
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{
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Pass
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{
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CGPROGRAM
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#define vec2 float2
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#define vec3 float3
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#define vec4 float4
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#define mod(x,y) x%y
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#define MASK_SCALE 600.0
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#define MASK_STRENGTH 0.35
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#pragma vertex vert_img
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#pragma fragment frag
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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float2 _iResolution;
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struct v2f
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{
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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};
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vec3 TriadMask( vec2 pos ) {
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vec3 col = vec3(0,0,0);
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float h = sqrt(3.0)/2.0;
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pos.x = mod(pos.x, 3.0);
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pos.y = mod(pos.y, h*2.0);
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col += vec3(1,0,0) * max( 1.0-distance(pos, vec2(0.0,0.0) ), 0.0 );
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col += vec3(0,1,0) * max( 1.0-distance(pos, vec2(1.0,0.0) ), 0.0 );
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col += vec3(0,0,1) * max( 1.0-distance(pos, vec2(2.0,0.0) ), 0.0 );
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col += vec3(1,0,0) * max( 1.0-distance(pos, vec2(3.0,0.0) ), 0.0 );
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col += vec3(0,1,0) * max( 1.0-distance(pos, vec2(-0.5,h) ), 0.0 );
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col += vec3(0,0,1) * max( 1.0-distance(pos, vec2(0.5,h) ), 0.0 );
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col += vec3(1,0,0) * max( 1.0-distance(pos, vec2(1.5,h) ), 0.0 );
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col += vec3(0,1,0) * max( 1.0-distance(pos, vec2(2.5,h) ), 0.0 );
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col += vec3(0,0,1) * max( 1.0-distance(pos, vec2(3.5,h) ), 0.0 );
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col += vec3(1,0,0) * max( 1.0-distance(pos, vec2(0.0,h*2.0) ), 0.0 );
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col += vec3(0,1,0) * max( 1.0-distance(pos, vec2(1.0,h*2.0) ), 0.0 );
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col += vec3(0,0,1) * max( 1.0-distance(pos, vec2(2.0,h*2.0) ), 0.0 );
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col += vec3(1,0,0) * max( 1.0-distance(pos, vec2(3.0,h*2.0) ), 0.0 );
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col - min(col, 1.0);
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col = smoothstep(0.4, 0.65, col);
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return col;
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}
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vec3 SlotMask( vec2 pos ) {
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vec3 col = vec3(0,0,0);
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col += vec3(1,0,0) * max( (1.0 - distance(mod(pos.x,3.0),0.5) ), 0.0 );
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col += vec3(0,1,0) * max( (1.0 - distance(mod(pos.x,3.0),1.5) ), 0.0 );
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col += vec3(0,0,1) * max( (1.0 - distance(mod(pos.x,3.0),2.5) ), 0.0 );
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col += vec3(1,0,0) * max( (1.0 - distance(mod(pos.x,3.0),3.5) ), 0.0 );
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float b = pos.y;
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b += (frac(pos.x/6.0) > 0.5) ? 1.5 : 0.0;
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b = mod(b,3.0);
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col -= (b<0.35) ? 1.0 : 0.0;
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col = smoothstep(0.6, 0.7, col);
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return col;
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}
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vec3 TriadMask_PixelPerfect( vec2 pos ) {
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float f = frac( pos.x/6.0 + floor(pos.y/2.0)/2.0);
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vec3 col = (f<=0.333) ? vec3(1,0,0) : ( (f<0.667) ? vec3(0,1,0) : vec3(0,0,1) );
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return col;
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}
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vec3 SlotMask_PixelPerfect( vec2 pos ) {
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pos /= 1.0 + floor( _iResolution.y / 1440.0 );
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float glow = 0.5;
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float f = mod(pos.x,3.0);
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vec3 col = vec3( (f<=1.0), (f>1.0&&f<=2.0), (f>2.0) );
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col += vec3( (f<1.5 || f>=2.5), (f>0.5 && f<=2.5), (f>1.5 || f<=0.5) ) * glow;
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col *= ( mod(pos.y+(frac(pos.x/6.0)>0.5?1.5:0.0),3.0)<1.0 ) ? glow : 1.0;
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col /= 1.0+glow;
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return col;
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}
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vec3 ApertureGrille_PixelPerfect( vec2 pos ) {
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pos /= 1.0 + floor( _iResolution.y / 1440.0 );
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float f = frac(pos.x/3.0);
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vec3 col = vec3( (f<=0.333), (f>0.333&&f<0.667), (f>=0.667) );
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return col;
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}
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fixed4 frag (v2f IN) : SV_Target
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{
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vec2 pos = IN.uv*MASK_SCALE;
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float2 fragCoord = _iResolution*pos;
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//vec3 col = TriadMask( pos );
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//vec3 col = SlotMask( pos );
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//vec3 col = TriadMask_PixelPerfect( fragCoord );
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vec3 col = SlotMask_PixelPerfect( fragCoord );
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//vec3 col = ApertureGrille_PixelPerfect( fragCoord );
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float temp = 1-MASK_STRENGTH;
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float temp2 = 1+MASK_STRENGTH;
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col = lerp( vec3(temp,temp,temp), vec3(temp2,temp2,temp2), col);
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//if (fract(fragCoord.x/200.0)<0.02) col = vec3(10.0);
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//if (fract(fragCoord.y/200.0)<0.02) col = vec3(10.0);
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return vec4(col,1.0);
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}
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ENDCG
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}
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Pass
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{
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CGPROGRAM
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#define vec2 float2
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#define vec3 float3
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#define vec4 float4
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#pragma vertex vert_img
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#pragma fragment frag
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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float2 _iResolution;
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uniform sampler2D _ShadowMaskTex;
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struct v2f
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{
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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};
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#define gaussian(a,b) exp2((a)*(a)*-(b))
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#define SCANLINES
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#define SCREEN_SHAPE
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#define LIGHT_EFFECTS
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//#define CURVE_MASK_TO_SCREEN
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#define SCREEN_CURVE_RADIUS 5.0
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#define SCREEN_CORNER_RADIUS 0.1
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#define BRIGHTNESS 2.5
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#define PIXEL_SHARPNESS 3.0
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#define LINE_SHARPNESS 6.0
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#define IRES vec2(256,239)
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#define PI 3.14159265
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vec2 curveScreen( vec2 uv ) {
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float r = PI*0.5/SCREEN_CURVE_RADIUS;
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float d = 1.0-cos(uv.x*r)*cos(uv.y*r); //distance to screen
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float s = cos(r); //scale factor to re-fit window
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return uv / (1.0-d) * s;
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}
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float discardCorners( vec2 pos ) {
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pos = abs(pos);
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pos.x = pos.x*1.333-0.333; // 4:3 aspect ratio correction
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if( min(pos.x, pos.y) < 1.0-SCREEN_CORNER_RADIUS ) return 1.0; // not near corner -- break early
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float d = distance( pos, vec2(1.0-SCREEN_CORNER_RADIUS,1.0-SCREEN_CORNER_RADIUS) );
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return float( d<SCREEN_CORNER_RADIUS );
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}
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vec3 getSample( vec2 pos, vec2 off ) {
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//get nearest emulated sample
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pos = floor(pos*IRES) + vec2(0.5,0.5) + off;
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pos/=IRES;
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vec3 col = vec3(0,0,0);
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if ( pos.x>=0.0 && pos.x<=IRES.x && pos.y>=0.0 && pos.y<=IRES.y ) {
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col = tex2D( _MainTex, pos).rgb;
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col = pow( ( (col + 0.055) / 1.055), vec3(2.4,2.4,2.4) ); // SRGB => linear
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}
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return col;
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}
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vec3 getScanline( vec2 pos, float off ) {
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// 3-tap gaussian filter to get colour at arbitrary point along scanline
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float d = 0.5-frac(pos.x*IRES.x);
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vec3 ca = getSample( pos, vec2(-1.0, off ) );
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vec3 cb = getSample( pos, vec2( 0.0, off ) );
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vec3 cc = getSample( pos, vec2( 1.0, off ) );
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float wa = gaussian( d-1.0, PIXEL_SHARPNESS );
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float wb = gaussian( d, PIXEL_SHARPNESS );
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float wc = gaussian( d+1.0, PIXEL_SHARPNESS );
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return ( ca*wa + cb*wb + cc*wc ) / ( wa+wb+wc);
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}
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vec3 getScreenColour( vec2 pos ) {
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//Get influence of 3 nearest scanlines
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float d = 0.5-frac(pos.y*IRES.y);
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vec3 ca = getScanline( pos,-1.0 ) * gaussian( d-1.0, LINE_SHARPNESS );
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vec3 cb = getScanline( pos, 0.0 ) * gaussian( d, LINE_SHARPNESS );
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vec3 cc = getScanline( pos, 1.0 ) * gaussian( d+1.0, LINE_SHARPNESS );
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return ca + cb + cc;
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}
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vec3 ACESFilm( vec3 x ) {
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return clamp((x*(2.51*x + 0.03)) / (x*(2.43*x + 0.59) + 0.14), 0.0, 1.0);
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}
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fixed4 frag (v2f IN) : SV_Target
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{
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vec2 pos = IN.uv;
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pos = pos*2.0 - 1.0;
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//pos.x *= _iResolution.x/_iResolution.y*0.75; // 4:3 aspect
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#ifdef SCREEN_SHAPE
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pos = curveScreen(pos); // curve screen
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#endif
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vec3 col = vec3(0,0,0);
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if(max( abs(pos.x), abs(pos.y) )<1.0) { // skip everything if we're beyond the screen edge
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col = vec3(1,1,1);
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#ifdef SCREEN_SHAPE
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col *= discardCorners(pos);
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#endif
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#ifdef LIGHT_EFFECTS
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col *= 1.0 - sqrt(length(pos)*0.25); // vignette
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#endif
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pos = pos*0.5 + 0.5;
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#if 1
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col *= getScreenColour( pos );
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#else
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col = getSample( pos, vec2(0,0) );
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#endif
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col *= tex2D( _ShadowMaskTex, pos).rgb; // draw mask flat (moire fix)
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#ifdef LIGHT_EFFECTS
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col *= BRIGHTNESS;
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col = ACESFilm(col);
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#endif
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col = pow( col, vec3(1.0/2.4,1.0/2.4,1.0/2.4) ) * 1.055 - 0.055; // linear => SRGB
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}
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return vec4( col, 1.0 );
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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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fileFormatVersion: 2
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guid: e44382c7b3957134cb4533224ff9eeaa
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ShaderImporter:
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externalObjects: {}
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defaultTextures: []
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nonModifiableTextures: []
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userData:
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assetBundleName:
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assetBundleVariant:
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@ -0,0 +1,15 @@
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using AxibugEmuOnline.Client;
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using UnityEngine;
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using UnityEngine.Rendering;
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public class Filter1990_esque : FilterEffect
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{
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public override string Name => "1990-esque";
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protected override string ShaderName => "Filter/1990-esque";
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protected override void OnRenderer(Material renderMat, Texture src, RenderTexture result)
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{
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Graphics.Blit(src, result, renderMat, 1);
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}
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}
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fileFormatVersion: 2
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guid: 14c9296d6dcb1be449cb00097684de6c
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