死侍（DeadPool）

Shader "JustForFun/DeadPool" {
Properties {
iChannel0("iChannel0", 2D) = "white" {}
iChannelResolution0 ("iChannelResolution0", Vector) = (100,100,0,0)
}

CGINCLUDE

#include "UnityCG.cginc"
#pragma target 3.0

#define vec2 float2
#define vec3 float3
#define vec4 float4
#define mat2 float2x2
#define iGlobalTime _Time.y
#define mod fmod
#define mix lerp
#define atan atan2
#define fract frac
#define texture2D tex2D
// 屏幕的尺寸
#define iResolution _ScreenParams
// 屏幕中的坐标，以pixel为单位
#define gl_FragCoord ((_iParam.scrPos.xy/_iParam.scrPos.w)*_ScreenParams.xy)

sampler2D iChannel0;
fixed4 iChannelResolution0;

struct v2f {
float4 pos : SV_POSITION;
float2 uv : TEXCOORD0;
float4 scrPos : TEXCOORD1;
};

v2f vert(appdata_base v) {
v2f o;
o.uv = v.texcoord;
o.pos = mul (UNITY_MATRIX_MVP, v.vertex);
o.scrPos = ComputeScreenPos(o.pos);

return o;
}

vec4 main(vec2 uv);

fixed4 frag(v2f _iParam) : COLOR0 {
vec2 fragCoord = gl_FragCoord;
return main(gl_FragCoord);
}

float Circle(vec2 center, float radius, vec2 coord) {//圆（圆心，半径，）
vec2 offset = coord - center;

return sqrt((offset.x * offset.x) + (offset.y * offset.y)) - radius;
}

float Ellipse(vec2 center, float a, float b, vec2 coord) {//椭圆（圆心，a，b，）
float a2 = a * a;
float b2 = b * b;
return (b2 * (coord.x - center.x) * (coord.x - center.x) +
a2 * (coord.y - center.y) * (coord.y - center.y) - a2 * b2)/(a2 * b2);
}

float Line(vec2 p0, vec2 p1, float width, vec2 coord) {//线
vec2 dir0 = p1 - p0;
vec2 dir1 = coord - p0;
float h = clamp(dot(dir0, dir1)/dot(dir0, dir0), 0.0, 1.0);
return (length(dir1 - dir0 * h) - width * 0.5);
}

float B( const float a, const float b ) {//并
return min(a, b);
}

float C( const float a, const float b) {//差
return max(a, -b);
}

float J( const float a, const float b ) {//交
return max(a, b);
}

vec4 render(float d, vec3 color, float stroke) {//stroke是描边宽度
float anti = fwidth(d) * 1.0;
vec4 colorLayer = vec4(color, 1.0 - smoothstep(-anti, anti, d));
if (stroke < 0.000001) {
return colorLayer;
}

vec4 strokeLayer = vec4(vec3(0.05, 0.05, 0.05), 1.0 - smoothstep(-anti, anti, d - stroke));
return vec4(mix(strokeLayer.rgb, colorLayer.rgb, colorLayer.a), strokeLayer.a);
}

vec4 main(vec2 fragCoord) {
float size = min(iResolution.x, iResolution.y);
float pixSize = 1.0 / size;
vec2 uv = fragCoord.xy / iResolution.x;
float stroke = pixSize * 1.5;
vec2 center = vec2(0.5, 0.5 * iResolution.y/iResolution.x);
////////red
///face
float centery=center.y+0.1;
float centerx=center.x;
float r1=0.1;
float a=Circle(vec2(centerx,centery),r1,uv);
///leftArm
float a1=Line(vec2(center.x<
4000
/span>,center.y-0.02),vec2(center.x,center.y-0.07),0.04,uv);
a=B(a,a1);
///rightArm
a1=Line(vec2(center.x-0.06,center.y-0.02),vec2(center.x-0.085,center.y-0.02),0.03,uv);
a=B(a,a1);
///body
float f=Line(vec2(center.x,center.y),vec2(center.x,center.y-0.089),0.125,uv);
float f1=Line(vec2(center.x-0.1,center.y-0.155),vec2(center.x+0.1,center.y-0.155),0.08,uv);
f=C(f,f1);
vec4 layer5=render(f,vec3(0.76,0.13,0.11),stroke);//body
vec4 layer0=render(a,vec3(0.76,0.13,0.11),stroke);
////////black
///face
float r2=0.05;
float b=Circle(vec2(centerx-r1/2,centery),r2,uv);
///leftArm
float b1=Line(vec2(center.x,center.y-0.02),vec2(center.x,center.y-0.045),0.04,uv);
b=B(b1,b);
b1=Circle(vec2(center.x,center.y-0.1),0.06,uv);
b=C(b,b1);
///shoe
b1=Line(vec2(center.x+0.03,center.y-0.13),vec2(center.x-0.08,center.y-0.13),0.03,uv);
b=B(b,b1);
b1=Line(vec2(center.x+0.1,center.y-0.102),vec2(center.x-0.1,center.y-0.102),0.04,uv);
b=C(b,b1);
b1=Line(vec2(center.x+0.093,center.y-0.2),vec2(center.x+0.093,center.y+0.2),0.1,uv);
b=C(b,b1);
b1=Line(vec2(center.x-0.1,center.y-0.1),vec2(center.x-0.12,center.y-0.13),0.1,uv);
b=C(b,b1);
b1=Circle(vec2(center.x-0.06,center.y-0.138),0.012,uv);
b=B(b,b1);
b1=Line(vec2(center.x-0.2,center.y-0.18),vec2(center.x+0.2,center.y-0.18),0.078,uv);
b=C(b,b1);
///knife
float m=Line(vec2(center.x-0.028,center.y-0.08),vec2(center.x,center.y-0.11),0.004,uv);
float m1=Line(vec2(center.x+0.035,center.y-0.05),vec2(center.x+0.03,center.y-0.08),0.002,uv);
m=B(m,m1);
m1=Line(vec2(center.x+0.022,center.y-0.06),vec2(center.x+0.04,center.y-0.07),0.002,uv);
m=B(m,m1);
m1=Line(vec2(center.x+0.04,center.y-0.05),vec2(center.x+0.05,center.y-0.06),0.006,uv);
m=B(m,m1);
m1=Line(vec2(center.x+0.11,center.y+0.06),vec2(center.x+0.12,center.y+0.05),0.006,uv);
m=B(m,m1);
m1=Line(vec2(center.x+0.07,center.y+0.02),vec2(center.x+0.09,center.y+0.02),0.002,uv);
m=B(m,m1);
m1=Line(vec2(center.x+0.07,center.y+0.02),vec2(center.x+0.09,center.y),0.004,uv);
m=B(m,m1);
m1=Line(vec2(center.x+0.09,center.y+0.04),vec2(center.x+0.11,center.y+0.04),0.002,uv);
m=B(m,m1);
m1=Line(vec2(center.x+0.08,center.y+0.03),vec2(center.x+0.08,center.y+0.01),0.002,uv);
m=B(m,m1);
m1=Line(vec2(center.x+0.1,center.y+0.05),vec2(center.x+0.1,center.y+0.03),0.002,uv);
m=B(m,m1);
vec4 layer1=render(b,vec3(0,0,0),stroke);
vec4 layer12=render(m,vec3(0,0,0),0.001);
////////white
///eye
float r3=0.01;
float centerEye=centerx-r1/2-0.03;
float bottomEye=centery-0.01;
float c=Circle(vec2(centerEye,bottomEye),r3,uv);
float c1=Line(vec2(centerEye+0.01,bottomEye-0.005),vec2(centerEye-0.01,bottomEye-0.015),0.015,uv);
c=J(c,c1);
///knife
float l=Line(vec2(center.x+0.04,center.y-0.06),vec2(center.x-0.2,center.y-0.2),0.015,uv);
float l1=Line(vec2(center.x,center.y-0.02),vec2(center.x,center.y-0.07),0.05,uv);
l=C(l,l1);
l1=Line(vec2(center.x-0.12,center.y+0.2),vec2(center.x-0.22,center.y-0.22),0.05,uv);
l=C(l,l1);
l1=Line(vec2(center.x+0.04,center.y-0.052),vec2(center.x-0.2,center.y-0.192),0.015,uv);
l=C(l,l1);
vec4 layer11=render(l,vec3(0.73,0.76,0.74),0);
vec4 layer2=render(c,vec3(1,1,1),stroke);
////////darkRed
///faceShadow
float r4=0.1;
float d=Circle(vec2(centerx,centery),r4,uv);
float d1=Circle(vec2(centerx-0.04,centery),r1,uv);
d=C(d,d1);
//leftArmShadow
d1=Line(vec2(center.x,center.y-0.02),vec2(center.x,center.y-0.07),0.04,uv);
d=B(d,d1);
d1=Ellipse(vec2(center.x-0.008,center.y),0.022,0.08,uv);
float d2=Line(vec2(center.x-0.5,center.y),vec2(center.x+0.5,center.y),0.05,uv);
d1=C(d1,d2);
d=C(d,d1);
//rightArmShadow

10bd5
d1=Line(vec2(center.x-0.06,center.y-0.02),vec2(center.x-0.085,center.y-0.02),0.03,uv);
d2=Line(vec2(center.x-0.06,center.y-0.01),vec2(center.x-0.08,center.y-0.01),0.03,uv);
d1=C(d1,d2);
d=B(d,d1);
//shadow
float j=Ellipse(vec2(center.x,center.y-0.15),0.2,0.02,uv);
vec4 layer3=render(d,vec3(0.59,0.07,0.05),0.0);
vec4 layer9=render(j,vec3(0.57,0.08,0.06),0.0);
////////yellow
///belt
float e=Circle(vec2(center.x-0.45,center.y-0.04),0.5,uv);
float e1=Circle(vec2(center.x-0.463,center.y-0.04),0.5,uv);
e=C(e,e1);
e1=Line(vec2(centerx+2,centery),vec2(centerx-2,centery-0.85),0.5,uv);
e=C(e,e1);
e1=Line(vec2(centerx+0.089,centery-0.195),vec2(centerx-0.089,centery-0.195),0.014,uv);
e=B(e,e1);
e1=Line(vec2(centerx+0.089,centery-0.3),vec2(centerx+0.089,centery),0.05,uv);
e=C(e,e1);
e1=Line(vec2(centerx-0.089,centery-0.3),vec2(centerx-0.089,centery),0.05,uv);
e=C(e,e1);
e1=Line(vec2(center.x,center.y-0.02),vec2(center.x,center.y-0.07),0.05,uv);
e=C(e,e1);
e1=Circle(vec2(centerx,centery),0.105,uv);
e=C(e,e1);
e1=Line(vec2(center.x-0.1,center.y+0.3),vec2(center.x+0.1,center.y+0.3),0.3,uv);
e=C(e,e1);
e1=Line(vec2(center.x-0.1,center.y-0.3),vec2(center.x+0.1,center.y-0.3),0.396,uv);
e=C(e,e1);
e1=Circle(vec2(center.x+0.35,center.y-0.04),0.4,uv);
float e2=Circle(vec2(center.x+0.36,center.y-0.04),0.4,uv);
e1=C(e1,e2);
e2=Circle(vec2(centerx,centery),0.105,uv);
e1=C(e1,e2);
e2=Line(vec2(center.x-0.1,center.y+0.3),vec2(center.x+0.1,center.y+0.3),0.3,uv);
e1=C(e1,e2);
e2=Line(vec2(center.x-0.1,center.y-0.25),vec2(center.x+0.1,center.y-0.25),0.396,uv);
e1=C(e1,e2);
e2=Line(vec2(center.x-0.1,center.y-0.04),vec2(center.x+0.1,center.y-0.09),0.008,uv);
e1=B(e1,e2);
e2=Line(vec2(center.x+0.1,center.y-0.02),vec2(center.x+0.1,center.y-0.07),0.25,uv);
e1=C(e1,e2);
e2=Line(vec2(center.x-0.1,center.y-0.02),vec2(center.x-0.1,center.y-0.07),0.1,uv);
e1=C(e1,e2);
e=B(e1,e);
vec4 layer4=render(e,vec3(0.55,0.44,0.23),stroke);
///yellow,plus
float g=Line(vec2(center.x-0.035,center.y),vec2(center.x-0.035,center.y-0.2),0.005,uv);
float g1=Line(vec2(center.x+0.035,center.y),vec2(center.x+0.035,center.y-0.2),0.005,uv);
g=B(g,g1);
float g2=Line(vec2(center.x-0.1,center.y-0.03),vec2(center.x+0.1,center.y-0.03),0.1,uv);
g=C(g,g2);
g2=Line(vec2(center.x-0.1,center.y-0.17),vec2(center.x+0.1,center.y-0.17),0.12,uv);
g=C(g,g2);
vec4 layer6=render(g,vec3(0.55,0.44,0.23),stroke);
////////green
///grenade
float h=Circle(vec2(center.x-0.05,center.y-0.035),0.017,uv);
float h1=Line(vec2(center.x-0.05,center.y-0.01),vec2(center.x-0.05,center.y-0.02),0.01,uv);
h=B(h,h1);
h1=Line(vec2(center.x-0.06,center.y-0.01),vec2(center.x-0.05,center.y-0.01),0.008,uv);
h=B(h,h1);
h1=Line(vec2(center.x-0.06,center.y-0.01),vec2(center.x-0.07,center.y-0.02),0.005,uv);
h=B(h,h1);
vec4 layer7=render(h,vec3(0.16,0.23,0.17),0.004);
////////darkGreen
float i=Circle(vec2(center.x-0.05,center.y-0.035),0.017,uv);//grenade
float i1=Circle(vec2(center.x-0.06,center.y-0.025),0.017,uv);
i=C(i,i1);
vec4 layer8=render(i,vec3(0.08,0.15,0.09),0);
////////darkKnife
float k=Line(vec2(center.x+0.04,center.y-0.06),vec2(center.x-0.2,center.y-0.2),0.015,uv);
float k1=Line(vec2(center.x,center.y-0.02),vec2(center.x,center.y-0.07),0.05,uv);
k=C(k,k1);
k1=Line(vec2(center.x-0.12,center.y+0.2),vec2(center.x-0.22,center.y-0.22),0.05,uv);
k=C(k,k1);
k1=Line(vec2(center.x+0.06,center.y),vec2(center.x+0.11,center.y+0.05),0.015,uv);
k=B(k,k1);
k1=Line(vec2(center.x+0.055,center.y-0.05),vec2(center.x+0.055,center.y+0.05),0.022,uv);
k=C(k,k1);
vec4 layer10=render(k,vec3(0.44,0.58,0.51),0.004);
////////darkGun
float n=Line(vec2(center.x-0.2,center.y),vec2(center.x-0.08,center.y),0.05,uv);
float n1=Line(vec2(center.x-0.08,center.y),vec2(center.x-0.08,center.y-0.05),0.03,uv);
n=B(n,n1);
n1=Line(vec2(center.x-0.2,center.y-0.08),vec2(center.x+0.2,center.y-0.08),0.05,uv);
n=C(n,n1);
n1=Line(vec2(center.x-0.3,center.y+0.04),vec2(center.x,center.y+0.04),0.05,uv);
float n2=Line(vec2(center.x-0.08,center.y+0.2),vec2(center.x-0.08,center.y-0.2),0.02,uv);
n1=C(n1,n2);
n=C(n,n1);
n1=Line(vec2(center.x-0.3,center.y-0.04),vec2(center.x-0.16,center.y-0.04),0.05,uv);
n=C(n,n1);
n1=Line(vec2(center.x-0.135,center.y-0.01),vec2(center.x-0.155,center.y-0.06),0.02,uv);
n=B(n,n1);
n1=Line(vec2(center.x,center.y-0.18),vec2(center.x-0.47,center.y+0.14),0.02,uv);
n=C(n,n1);
n1=Line(vec2(center.x-0.18,center.y-0.05),vec2(center.x-0.18,center.y-0.01),0.015,uv);
n=B(n,n1);
n1=Line(vec2(center.x-0.173,center.y-0.06),vec2(center.x-0.47,center.y-0.06),0.02,uv);
n=C(n,n1);
n1=Line(vec2(center.x-0.215,center.y+0.1),vec2(center.x-0.215,center.y-0.1),0.04,uv);
n=C(n,n1);
n1=Line(vec2(center.x-0.207,center.y+0.007),vec2(center.x-0.1,center.y+0.007),0.01,uv);
n=B(n,n1);
n1=Line(vec2(center.x-0.207,center.y-0.007),vec2(center.x-0.1,center.y-0.007),0.01,uv);
n=B(n,n1);
n1=Line(vec2(center.x-0.203,center.y-0.02),vec2(center.x-0.203,center.y+0.02),0.004,uv);
n=B(n,n1);
vec4 layer13=render(n,vec3(0.05,0.05,0.05),0);
//////// BG
vec2 p = (2.0*fragCoord.xy-iResolution.xy)/min(iResolution.y,iResolution.x);
vec3 bcol = vec3(0.76,0.13,0.11-0.07*p.y)*(1.0-0.25*length(p));//BackGround
vec4 fragColor = vec4(bcol, 1.0);
fragColor.rgb = mix(fragColor.rgb, layer13.rgb, layer13.a);//darkGun
fragColor.rgb = mix(fragColor.rgb, layer9.rgb, layer9.a);//darkRed,body
fragColor.rgb = mix(fragColor.rgb, layer5.rgb, layer5.a);//red(body)
fragColor.rgb = mix(fragColor.rgb, layer0.rgb, layer0.a);//red
fragColor.rgb = mix(fragColor.rgb, layer3.rgb, layer3.a);//darkRed
fragColor.rgb = mix(fragColor.rgb, layer4.rgb, layer4.a);//yellow
fragColor.rgb = mix(fragColor.rgb, layer6.rgb, layer6.a);//yellow,plus
fragColor.rgb = mix(fragColor.rgb, layer1.rgb, layer1.a);//black
fragColor.rgb = mix(fragColor.rgb, layer2.rgb, layer2.a);//white
fragColor.rgb = mix(fragColor.rgb, layer7.rgb, layer7.a);//green
fragColor.rgb = mix(fragColor.rgb, layer8.rgb, layer8.a);//darkGreen
fragColor.rgb = mix(fragColor.rgb, layer10.rgb, layer10.a);//darkKnife
fragColor.rgb = mix(fragColor.rgb, layer11.rgb, layer11.a);//lightKnife
fragColor.rgb = mix(fragColor.rgb, layer12.rgb, layer12.a);//blackKnife

return fragColor;
}

ENDCG

SubShader {
Pass {
CGPROGRAM

#pragma vertex vert
#pragma fragment frag
#pragma fragmentoption ARB_precision_hint_fastest

ENDCG
}
}
FallBack off
}