webar-rocks-world/locus.moduleES6.js

Neural network based visual positioning system for WebAR.

 /**
 * 
 *  MIT License
 * 
 * Copyright (c) 2021 WebAR.rocks
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
*/

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i:H,j:h,m:!0},s19:{g:"uniform sampler2D u0;varying vec2 vv0;const vec4 f=vec4(1.);void main(){vec4 a=texture2D(u0,vv0);gl_FragColor=mix(exp(-abs(a))-f,a,step(0.,a));}",i:H,j:h,m:!0},s20:{g:"uniform sampler2D u0;varying vec2 vv0;const vec4 f=vec4(1.);void main(){vec4 a=texture2D(u0,vv0),b=exp(a)-f;gl_FragColor=mix(.1*b,a,step(0.,a));}",i:H,j:h},s21:{g:"uniform sampler2D u0;const float e=3.141593;varying vec2 vv0;void main(){gl_FragColor=atan(e*texture2D(u0,vv0))/e;}",i:H,j:h},s22:{g:"uniform sampler2D u0;const float e=3.141593;varying vec2 vv0;void main(){gl_FragColor=2.*atan(e*texture2D(u0,vv0))/e;}",
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i:["u21"].concat(v),j:C,m:!0},s28:{g:"uniform float u9,u10;uniform sampler2D u8,u7,u23,u24,u25,u26;varying vec2 vv0;const vec4 e=vec4(1.,1.,1.,1.),g=vec4(1e-3,1e-3,1e-3,1e-3);void main(){vec2 c=fract(vv0*u9),d=vv0;float h=u9*u10;d=(.5+floor(h*vv0))/h;vec4 l=texture2D(u8,d),m=texture2D(u7,c),a=texture2D(u26,d);a=floor(.5+a*255.);vec4 n=texture2D(u23,c),o=texture2D(u24,c),p=texture2D(u25,c),i=step(-g,-a),b=e-i,j=b*step(-e-g,-a);b*=e-j;vec4 k=b*step(-2.*e-g,-a);b*=e-k;vec4 q=b,r=i*m+j*n+k*o+q*p;gl_FragColor=l*r;}",
i:["u26","u23","u24","u25"].concat(v),j:Object.assign({u26:3,u23:4,u24:5,u25:6},C),m:!0},s29:{g:"uniform sampler2D u8,u7,u3;uniform float u9,u27,u28,u10;uniform vec2 u29;varying vec2 vv0;const vec2 f=vec2(1.),l=vec2(0.);void main(){vec2 c=floor(u27*vv0),d=u27*vv0-c;float g=u9/u27;vec2 h=floor(d*g),i=d*g-h,j=(c+i)/u27;float m=u27*u10/u9;vec2 b=m*h,n=floor(.5*(u10-1.)*(f-u29));b=floor(u29*b+n);vec2 a=(b+i*u28)/u10;a+=.25/u10;vec2 k=step(a,f)*step(l,a);vec4 o=texture2D(u8,j),p=texture2D(u7,a),q=o*p,r=texture2D(u3,j);gl_FragColor=(q*u28*u28+r)*k.x*k.y;}",
i:["u27","u28","u3","u29"].concat(v),j:Object.assign({u3:2},C)},s30:{g:"uniform sampler2D u8,u7;varying vec2 vv0;void main(){vec4 a=texture2D(u8,vv0),b=texture2D(u7,vv0);gl_FragColor=a*b;}",i:["u8","u7"],j:C,m:!0},s31:{g:"uniform sampler2D u1,u3;uniform float u4;varying vec2 vv0;void main(){gl_FragColor=texture2D(u3,vv0)+u4*texture2D(u1,vv0);}",i:X,j:R},s32:{g:"uniform sampler2D u1,u3;uniform vec2 u21;uniform float u4;varying vec2 vv0;void main(){gl_FragColor=texture2D(u3,vv0*u21)+u4*texture2D(u1,vv0);}",
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i:t,j:D,precision:"lowp"},s37:{g:"varying vec2 vv0;uniform sampler2D u1;uniform float u30;const vec3 f=vec3(.299,.587,.114);void main(){vec3 a=texture2D(u1,vv0).rgb,b=texture2D(u1,vv0+vec2(0.,u30)).rgb,c=texture2D(u1,vv0+vec2(u30,u30)).rgb,d=texture2D(u1,vv0+vec2(u30,0.)).rgb;gl_FragColor=vec4(dot(a,f),dot(b,f),dot(c,f),dot(d,f));}",i:["u1","u30"],j:D,precision:"lowp"},s38:{g:"varying vec2 vv0;uniform sampler2D u1;uniform float u30;const vec3 f=vec3(.299,.587,.114);void main(){vec3 a=texture2D(u1,vv0).rgb,b=texture2D(u1,vv0+vec2(0.,u30)).rgb,c=texture2D(u1,vv0+vec2(u30,u30)).rgb,d=texture2D(u1,vv0+vec2(u30,0.)).rgb;gl_FragColor=vec4(a.r,b.g,c.b,dot(d,f));}",
i:["u1","u30"],j:D,precision:"lowp"},s39:{g:"varying vec2 vv0;uniform sampler2D u1,u2;uniform float u31;const vec4 f=vec4(1.);void main(){vec4 a=vec4(0.);a-=texture2D(u1,vec2(vv0.x-u31,vv0.y-u31))*1.,a-=texture2D(u1,vec2(vv0.x-u31,vv0.y))*2.,a-=texture2D(u1,vec2(vv0.x-u31,vv0.y+u31))*1.,a+=texture2D(u1,vec2(vv0.x+u31,vv0.y-u31))*1.,a+=texture2D(u1,vec2(vv0.x+u31,vv0.y))*2.,a+=texture2D(u1,vec2(vv0.x+u31,vv0.y+u31))*1.;vec4 b=vec4(0.);b-=texture2D(u1,vec2(vv0.x-u31,vv0.y-u31))*1.,b-=texture2D(u1,vec2(vv0.x,vv0.y-u31))*2.,b-=texture2D(u1,vec2(vv0.x+u31,vv0.y-u31))*1.,b+=texture2D(u1,vec2(vv0.x-u31,vv0.y+u31))*1.,b+=texture2D(u1,vec2(vv0.x,vv0.y+u31))*2.,b+=texture2D(u1,vec2(vv0.x+u31,vv0.y+u31))*1.;vec3 c=sqrt(a.rgb*a.rgb+b.rgb*b.rgb);vec4 e=vec4(c,texture2D(u1,vv0).a),g=texture2D(u2,vv0);gl_FragColor=g.a*e.r*f;}",
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