Viewing Program

Program Data

Program thumbnail for "{props.program.title}"

Title	Nuevo programa
ID	5944724316667904
Created	1 months ago, 1732833151826
Updated	1 months ago, 1732890367207
Code	fill(255, 0, 0); ellipse(52,51,140,146); colorMode(RGB); var cz,sz,cy,sy; var generator = new Random(1); var pixels; var colors = []; var iterations = 100; var sky = { c1:color(89, 169, 255), c2:color(199, 234, 255) }; var cam = { x : 0, y : 0, z : -10, ry : -90, rz : 90 }; var ground = { h : 0, color : color(255, 148, 148), roughness : 1, specular : 0.1 }; var spheres = []; spheres.push({ x : 0, y : 45, z : -6, r : 6, color : color(0, 68, 255), roughness : 1, specular : 0, glass : 0, refractindex : 0, }); spheres.push({ x : -12, y : 45, z : -6, r : 6, color : color(255, 255, 255), roughness : 0.06, specular : 0.8, glass : 0, refractindex : 0, }); spheres.push({ x : 12, y : 45, z : -6, r : 6, color : color(255, 0, 0), roughness : 0.4, specular : 0.3, glass : 0.6, refractindex : 1.4, }); var normalize = function(v) { var hyp = mag(v.x,v.y,v.z); return {x:v.x/hyp,y:v.y/hyp,z:v.z/hyp}; }; var rotate3D = function(x,y,z) { var a=zcy+xsy, b=xcy-zsy, c=ycz-asz, d=acz+ysz; return {x:d,y:c,z:b}; }; var ray = function(o,v) { var normal = {x:0,y:0,z:0}; // the data of the clostest object var first = {d:undefined,i:0,c:0,c2:0,lv:0,n:{x:0,y:0,z:0}}; // check spheres { for(var i = 0; i < spheres.length; i ++) { // calculate intersection var a = sq(v.x)+sq(v.y)+sq(v.z); var b = 2(v.x(o.x-spheres[i].x)+ v.y(o.y-spheres[i].y)+ v.z(o.z-spheres[i].z)); var c = sq(o.x-spheres[i].x)+ sq(o.y-spheres[i].y)+ sq(o.z-spheres[i].z)-sq(spheres[i].r); var d = sq(b)-4ac; // value can determine number of intersections if(d >= 0) { // interpret d var quadratic = (-b-sqrt(d))/2/a; // distance to intersection if(quadratic > 0) { // is intersection in front var absquad = abs(quadratic); if(min(first.d,absquad) === absquad) { // closest intersection? // intersection var contact = { x:quadraticv.x+o.x, y:quadraticv.y+o.y, z:quadraticv.z+o.z, }; // distance to second intersection var quadratic2 = (-b+sqrt(d))/2/a; // second intersection var contact2 = { x:quadratic2v.x+o.x, y:quadratic2v.y+o.y, z:quadratic2v.z+o.z, }; // normal at intersection var spheren = { x:contact.x-spheres[i].x, y:contact.y-spheres[i].y, z:contact.z-spheres[i].z }; first.n = normalize(spheren); // normal first.d = quadratic; // distance first.i = spheres[i]; // sphere characteristics first.c = contact; // intersection first.c2 = contact2; // intersection } } } } //} // check floor { if(v.z > 0) { var t = (ground.h-o.z)/v.z; var c = {x:o.x+v.xt,y:o.y+v.yt,z:ground.h}; var rel = { x:c.x-o.x, y:c.y-o.y, z:c.z-o.z }; var d = mag(rel.x,rel.y,rel.z); if(min(first.d,d) === d) { first.d = d; // distance first.i = ground; // object first.i.color = color( min(255,abs((round(c.x/4)%2+round(c.y/4)%2)%2)255/d60)); first.c = c; // contact point first.n = {x:0,y:0,z:-1}; // normal } } //} return first; }; var shader = function(o,v) { var nv = 0,c,lv = 0,col = color(0),s; var obj = ray(o,v); if(obj.d) { col = obj.i.color; // calculate reflection vector var dprod = acos(obj.n.xv.x+obj.n.yv.y+obj.n.zv.z); if(obj.i.specular) { nv = { x:(2dprodobj.n.x-v.x), y:(2dprodobj.n.y-v.y), z:(2dprodobj.n.z-v.z) }; nv = normalize(nv); var rrz = random(0,180),rry = random(0,180), rcz = cos(rrz), rsz = sin(rrz), rcy = cos(rry), rsy = sin(rry), offset = generator.nextGaussian()obj.i.roughness; nv.x += rcyrczoffset; nv.y += rcyrszoffset; nv.z += rsyoffset; nv = normalize(nv); } // shader (Lambertian) var inside = false,rpoint; while(!inside) { rpoint = { x:random(-1,1), y:random(-1,1), z:random(-1,1) }; inside = mag(rpoint.x,rpoint.y,rpoint.z) < 1; } var lambertv = { x:obj.n.x+rpoint.x, y:obj.n.y+rpoint.y, z:obj.n.z+rpoint.z, }; var lambert = ray(obj.c,lambertv); col = lambert.d ? 0 : col; // calculate glass if(obj.i.glass) { } }else{ col = lerpColor(sky.c2,sky.c1,sq(v.z)); } return {color:col,i:obj.i,c:obj.c,nv:nv}; }; background(sky); noStroke(); loadPixels(); pixels = imageData.data; var a = 0, b = 0, samples = 1; var draw = function() { cz = cos(cam.rz); sz = sin(cam.rz); cy = cos(cam.ry); sy = sin(cam.ry); if(a > 3) { a = 0; b += 1; } if(b > 3) { b = 0; samples += 1; } a += 1; for(var i = 0; i < 400; i += 4) { for(var p = 0; p < 400; p += 4) { var v1 = rotate3D(400,i+a-200,p+b-200), hyp = mag(v1.x,v1.y,v1.z), v = {x:v1.x/hyp,y:v1.y/hyp,z:v1.z/hyp}; var it = []; it[0] = shader(cam,v); var n = 1; while(it[n-1].nv && n < iterations) { it[n] = shader(it[n-1].c,it[n-1].nv); n += 1; } var c = it[it.length-1].color; if(it.length >= 0) { for(var n = it.length-2; n >= 0; n --) { c = lerpColor(it[n].color,c,it[n].i.specular); } } colors[(i+a)400+(p+b)] = lerpColor(colors[(i+a)400+(p+b)],c,1/samples); var col = colors[(i+a)400+(p+b)]; var l = i+a-1+(p+b)width << 2; pixels[l] = sqrt(red(col)/255)255 \| 0; pixels[l+1] = sqrt(green(col)/255)255 \| 0; pixels[l+2] = sqrt(blue(col)/255)255 \| 0; } } updatePixels(); };
Folds
Fork	false
Key	ag5zfmtoYW4tYWNhZGVteXIXCxIKU2NyYXRjaHBhZBiAgLvpn9bHCgw
Votes	8
Spin-Offs	0
Type	PJS
Width	400
Height	400
User Flagged	false
Origin Scratchpad	null
Hidden From Hotlist	false
Restricted Posting	false
By Child	false
Author Nick	Hecito Galvis
Author Name	kaid_2679018846520166977965958
Author ID	kaid_2679018846520166977965958
Author Profile Access	COACH

Archive Data

Added	1 months ago, 1732897402923
Updated	1 months ago, 1732897402923
Source Deleted	unknown