\\n var id = id3.x;\\n var rd = id;\\n var s1 = 0f;\\n var s2 = 0f;\\n while(rd < pxt)\\n {\\n var x = rd % res.x;\\n var y = rd / res.x;\\n var u = (vec2f(f32(x),f32(y))+.5f)/vec2f(res);\\n var tx= textureSampleLevel(channel0, nearest, u, 0f);\\n //tx= tx*vec4f(1,1,1,0);\\n var t = dot(tx,vec4f(1,1,1,0));//length(tx);\\n var ar = sin((f32(y)+.5f)/f32(res.y)*PI);//area of pixel in sphere\\n D[Z1 + rd] = vec4f(t*ar,t*ar,f32(rd),0);\\n s1 += t*ar;\\n s2 += t;\\n rd += bkT;\\n }\\n for(var i = bkT/2u; i > 0u; i /= 2u)\\n {\\n S1[id] = s1;\\n S2[id] = s2;\\n workgroupBarrier();\\n var r = (id+i) % bkT;\\n s1 += S1[r];\\n s2 += S2[r];\\n workgroupBarrier();\\n }\\n s1 = f32(pxt)/s1;\\n s2 = f32(pxt)/s2;\\n //normalize\\n var m = vec4f(s1,s1,1,1);\\n rd = id;\\n while(rd < pxt)\\n {\\n D[Z1 + rd] *= m;\\n rd += bkT;\\n }\\n if(id==0u){D[Z1+Z2+0] = vec4(0,0,0,s2);}\\n}\\n#workgroup_count iniD2 1 1 1\\n@compute @workgroup_size(1,1,1)\\nfn iniD2(@builtin(global_invocation_id) id3: uint3)\\n{\\n //build table\\n var res = textureDimensions(channel0);\\n var pxt = res.x*res.y;\\n var d0 = D[Z1+Z2+0];\\n var rB = u32(d0.x);//pos of value bigger than 1\\n var rL = u32(d0.y);//pos of value lower than 1\\n var lop = 0;//just compute by parts, instead of all at once\\n while(lop<(1<<13) && rB < pxt && rL < pxt)\\n {\\n lop++;\\n var dB = D[Z1 + rB];\\n var dL = D[Z1 + rL];\\n if(dB.x>1f && dL.x<1f)\\n {\\n var sb = dB.x-(1f-dL.x);\\n var dB2 = vec4f(sb, sb,dB.z, 0);\\n var dL2 = vec4f(1f,dL.y,dL.z,dB.z);\\n D[Z1 + rB] = dB2;\\n D[Z1 + rL] = dL2;\\n }\\n dB = D[Z1 + rB];\\n dL = D[Z1 + rL];\\n if((rB > rL && dB.x==1f)|| \\n (rL > rB && dL.x==1f))\\n {\\n D[Z1 + rB] = dL;\\n D[Z1 + rL] = dB;\\n }\\n dB = D[Z1 + rB];\\n dL = D[Z1 + rL];\\n if(dB.x<=1f && !(rB > rL && dB.x==1f)){rB+=1u;}\\n if(dL.x>=1f && !(rL > rB && dL.x==1f)){rL+=1u;}\\n }\\n D[Z1+Z2+0] = vec4f(f32(rB),f32(rL),d0.z,d0.w);\\n}\\n#storage camo array;\\n#workgroup_count camera 1 1 1\\n@compute @workgroup_size(1,1,1)\\nfn camera(@builtin(global_invocation_id) id: uint3)\\n{\\n var keyW = f32(keyDown(87u));\\n var keyS = f32(keyDown(83u));\\n var keyA = f32(keyDown(65u));\\n var keyD = f32(keyDown(68u));\\n var camDir = camo[0]; if(time.frame==0u){camDir = vec3f(-1,0,0);}\\n var camPos = camo[1]; if(time.frame==0u){camPos = vec3f(0,22,-88);}\\n var mouPre = camo[2];\\n var mouNow = vec3f(vec2f(mouse.pos),f32(mouse.click));\\n var mouDif = mouNow-mouPre;\\n let rs = vec2f(SCREEN_WIDTH,SCREEN_HEIGHT);\\n //mod camDir data\\n {\\n var cd = camDir;\\n var m = mouPre.z*mouDif*-4.f/rs.y;\\n var y = asin(camDir.y) + m.y;\\n if(-1.56f > y){y =-1.56f;};\\n if( 1.56f < y){y = 1.56f;};\\n var a = cos(m.x-vec2f(0,PI*.5f));\\n var n = cos(y)*normalize(vec2f(cd.x*a.x - cd.z*a.y,\\n cd.x*a.y + cd.z*a.x));\\n if(any(m.xy!=vec2f(0))){cd = vec3f(n.x,sin(y),n.y);}\\n camo[0] = cd;\\n }\\n //mod camPos data\\n {\\n var s = objec(camPos)*.05f; //*time.elapsed;\\n camo[1] = camPos + (keyW-keyS)*s*camDir +\\n (keyD-keyA)*s*normalize(vec3f(camDir.z,0,-camDir.x));\\n }\\n //mod mouse data\\n {\\n camo[2] = vec3f(mouNow.x,mouNow.y,f32(mouNow.z!=0.f && (any(mouDif.xy!=vec2f(0)) || mouPre.z!=0.f)));\\n }\\n camo[3].x = f32((keyW+keyS+keyA+keyD + f32(mouse.click!=0)) == 0f);\\n}\\n@compute @workgroup_size(8,8,1)\\nfn main_image(@builtin(global_invocation_id) id: uint3)\\n{\\n if(id.x >= SCREEN_WIDTH ){return;}\\n if(id.y >= SCREEN_HEIGHT){return;}\\n var

@compute.toys