| <!DOCTYPE html>
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| <html lang="en">
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| <head>
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| <meta charset="utf-8">
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| <meta name="viewport" content="width=device-width, initial-scale=1">
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| <title></title>
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| <style>
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| html,body{margin:0;padding:0;width:100%;height:100%;background:#FFFFFF;overflow:hidden;}
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| canvas{display:block;}
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| </style>
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| </head>
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| <body>
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| <canvas id="c"></canvas>
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| <script>
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| (function(){
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| "use strict";
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|
|
| var cv = document.getElementById('c');
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| var ctx = cv.getContext('2d');
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|
|
| var DW = 1600, DH = 900;
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| var dpr = 1, sc = 1, ox = 0, oy = 0;
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| var FONT = '"Inter","Helvetica Neue","Segoe UI",Roboto,Helvetica,Arial,sans-serif';
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|
|
| function resize(){
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| dpr = Math.min(window.devicePixelRatio || 1, 2);
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| cv.width = Math.max(1, Math.floor(window.innerWidth * dpr));
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| cv.height = Math.max(1, Math.floor(window.innerHeight * dpr));
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| cv.style.width = window.innerWidth + 'px';
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| cv.style.height = window.innerHeight + 'px';
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| sc = Math.min(cv.width / DW, cv.height / DH);
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| ox = (cv.width - DW * sc) * 0.5;
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| oy = (cv.height - DH * sc) * 0.5;
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| }
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| window.addEventListener('resize', resize);
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| resize();
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|
|
|
|
| function clamp(v,a,b){ return v<a?a:(v>b?b:v); }
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| function ss(e0,e1,x){ var t=clamp((x-e0)/(e1-e0),0,1); return t*t*(3-2*t); }
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| function easeInOut(t){ return t<0.5 ? 4*t*t*t : 1-Math.pow(-2*t+2,3)/2; }
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| function easeOutBack(t){
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| var c1=1.70158, c3=c1+1;
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| var u=t-1;
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| return 1 + c3*u*u*u + c1*u*u;
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| }
|
| function fontStr(w,s){ return w+' '+s+'px '+FONT; }
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| function hx(h){
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| return [parseInt(h.slice(1,3),16),parseInt(h.slice(3,5),16),parseInt(h.slice(5,7),16)];
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| }
|
| function mix(a,b,u){
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| var r=Math.round(a[0]+(b[0]-a[0])*u),
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| g=Math.round(a[1]+(b[1]-a[1])*u),
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| bb=Math.round(a[2]+(b[2]-a[2])*u);
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| return 'rgb('+r+','+g+','+bb+')';
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| }
|
| function rrect(c,x,y,w,h,r){
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| r = Math.min(r, w*0.5, h*0.5);
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| c.beginPath();
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| c.moveTo(x+r,y);
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| c.lineTo(x+w-r,y); c.quadraticCurveTo(x+w,y,x+w,y+r);
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| c.lineTo(x+w,y+h-r); c.quadraticCurveTo(x+w,y+h,x+w-r,y+h);
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| c.lineTo(x+r,y+h); c.quadraticCurveTo(x,y+h,x,y+h-r);
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| c.lineTo(x,y+r); c.quadraticCurveTo(x,y,x+r,y);
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| c.closePath();
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| }
|
| function wrap(text,maxW){
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| var words = text.split(' '), lines = [], cur = '';
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| for(var i=0;i<words.length;i++){
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| var test = cur ? (cur+' '+words[i]) : words[i];
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| if(ctx.measureText(test).width > maxW && cur){ lines.push(cur); cur = words[i]; }
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| else cur = test;
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| }
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| if(cur) lines.push(cur);
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| return lines;
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| }
|
| function layoutWords(text,maxW){
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| var words = text.split(' ');
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| var spaceW = ctx.measureText(' ').width;
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| var lines = [], cur = [], x = 0;
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| for(var i=0;i<words.length;i++){
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| var w = ctx.measureText(words[i]).width;
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| if(cur.length && x + spaceW + w > maxW){ lines.push(cur); cur = []; x = 0; }
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| cur.push({ i:i, word:words[i], x:x });
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| x += w + spaceW;
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| }
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| if(cur.length) lines.push(cur);
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| return lines;
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| }
|
| function fitSize(text,weight,start,maxW){
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| var s = start;
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| ctx.font = fontStr(weight,s);
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| while(ctx.measureText(text).width > maxW && s > 12){ s -= 2; ctx.font = fontStr(weight,s); }
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| return s;
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| }
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|
|
|
|
| var LOOP = 8.15;
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| var S1_TYPE = 0.85;
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| var S1_CUT = 1.60;
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| var S2_POP = 1.70, POP_DUR = 0.42;
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| var SLIDE_A = 3.85, SLIDE_B = 4.40;
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| var STREAM_A = 3.95, STREAM_B = 4.80, WORD_RAMP = 0.18;
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| var ICON_A = 5.00, ICON_DUR = 0.30;
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| var S3_CUT = 5.45;
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| var S4_TYPE = 1.05;
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| var FADE_A = 7.95, FADE_B = 8.12;
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|
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|
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| var TITLE1 = "Make it your own";
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| var TITLE2 = "Expert intelligence for everyone";
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| var QUESTION = "If I had custom chat bubbles, what color do you think they would be?";
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| var ANSWER = "A hunter green would suit you best\u2014polished, distinctive, and balancing your analytical side with creativity. If you want a softer, quirkier option, go for muted sage green.";
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| var AWORDS = ANSWER.split(' ');
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|
|
| var RESP_X = 150, RESP_W = 920, RESP_TOP = 455, RESP_LH = 46;
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|
|
|
|
| var KEYS = [
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| { t:2.15, f:hx('#F2F2F1'), x:hx('#111111'), g:0 },
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| { t:2.45, f:hx('#E9E4F8'), x:hx('#6B4FA8'), g:1 },
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| { t:2.75, f:hx('#DCEDFB'), x:hx('#1F3D7A'), g:2 },
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| { t:3.05, f:hx('#FBDFD0'), x:hx('#A8502A'), g:3 },
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| { t:3.35, f:hx('#FADCE9'), x:hx('#B03A78'), g:4 },
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| { t:3.65, f:hx('#FDF3D3'), x:hx('#7A7A2E'), g:5 },
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| { t:3.95, f:hx('#DBF5DF'), x:hx('#1F6B3A'), g:6 }
|
| ];
|
| function bubbleCol(t){
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| if(t <= KEYS[0].t){
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| return { fill:mix(KEYS[0].f,KEYS[0].f,0), txt:mix(KEYS[0].x,KEYS[0].x,0), g:KEYS[0].g };
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| }
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| for(var i=0;i<KEYS.length-1;i++){
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| if(t < KEYS[i+1].t){
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| var u = ss(KEYS[i].t, KEYS[i+1].t, t);
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| return {
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| fill: mix(KEYS[i].f, KEYS[i+1].f, u),
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| txt: mix(KEYS[i].x, KEYS[i+1].x, u),
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| g: KEYS[i].g + (KEYS[i+1].g - KEYS[i].g) * u
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| };
|
| }
|
| }
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| var L = KEYS[KEYS.length-1];
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| return { fill:mix(L.f,L.f,0), txt:mix(L.x,L.x,0), g:L.g };
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| }
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|
|
|
|
| function iconCopy(){
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| rrect(ctx,-8,-2,13,15,3); ctx.stroke();
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| ctx.save(); ctx.fillStyle='#FFFFFF'; rrect(ctx,-3,-8,13,15,3); ctx.fill(); ctx.restore();
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| rrect(ctx,-3,-8,13,15,3); ctx.stroke();
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| }
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| function iconSpeaker(){
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| ctx.beginPath();
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| ctx.moveTo(-10,-4); ctx.lineTo(-5,-4); ctx.lineTo(1,-9);
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| ctx.lineTo(1,9); ctx.lineTo(-5,4); ctx.lineTo(-10,4);
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| ctx.closePath(); ctx.stroke();
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| ctx.beginPath(); ctx.arc(3,0,5,-0.95,0.95); ctx.stroke();
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| ctx.beginPath(); ctx.arc(3,0,9.5,-0.95,0.95); ctx.stroke();
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| }
|
| function thumbPath(){
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| ctx.beginPath();
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| ctx.moveTo(-1,12);
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| ctx.lineTo(-1,-1);
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| ctx.lineTo(2,-4);
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| ctx.quadraticCurveTo(6,-9,5,-11.5);
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| ctx.quadraticCurveTo(2,-13.5,1,-9.5);
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| ctx.lineTo(0,-4);
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| ctx.lineTo(8,-4);
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| ctx.quadraticCurveTo(12,-4,11,0);
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| ctx.lineTo(9,12);
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| ctx.closePath();
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| ctx.stroke();
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| }
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| function iconUp(){ thumbPath(); }
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| function iconDown(){ ctx.save(); ctx.scale(1,-1); thumbPath(); ctx.restore(); }
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| function iconRegen(){
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| var r=8.5, a0=0.7, a1=5.5;
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| ctx.beginPath(); ctx.arc(0,0,r,a0,a1); ctx.stroke();
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| var ex=r*Math.cos(a1), ey=r*Math.sin(a1);
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| var ang=Math.atan2(-Math.cos(a1), Math.sin(a1)) + Math.PI;
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| for(var k=0;k<2;k++){
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| var s = (k===0)?0.7:-0.7;
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| ctx.beginPath();
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| ctx.moveTo(ex+Math.cos(ang+s)*6.5, ey+Math.sin(ang+s)*6.5);
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| ctx.lineTo(ex,ey);
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| ctx.stroke();
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| }
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| }
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| function iconShare(){
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| ctx.beginPath();
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| ctx.moveTo(-8,2); ctx.lineTo(-8,10); ctx.lineTo(8,10); ctx.lineTo(8,2);
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| ctx.stroke();
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| ctx.beginPath(); ctx.moveTo(0,8); ctx.lineTo(0,-9); ctx.stroke();
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| ctx.beginPath(); ctx.moveTo(-5,-4); ctx.lineTo(0,-9); ctx.lineTo(5,-4); ctx.stroke();
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| }
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| var ICONS = [iconCopy,iconSpeaker,iconUp,iconDown,iconRegen,iconShare];
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|
|
|
|
| function drawTitleTyping(text, typeDur, alpha){
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| if(alpha <= 0) return;
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| var n = Math.min(text.length, Math.floor(clamp(text.length * (0 + 0), 0, 0)));
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| n = Math.min(text.length, Math.floor(clamp(typeDur>0 ? (typeDur) : 0,0,0)));
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| return n;
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| }
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|
|
| function scene1(t){
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| if(t >= S1_CUT) return;
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| var n = Math.min(TITLE1.length, Math.floor(TITLE1.length * clamp(t / S1_TYPE,0,1)));
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| if(n <= 0) return;
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| ctx.save();
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| ctx.globalAlpha = 1;
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| ctx.textAlign = 'center';
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| ctx.fillStyle = '#0B0B0B';
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| ctx.font = fontStr(700, 80);
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| ctx.fillText(TITLE1.slice(0,n), DW/2, DH/2);
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| ctx.restore();
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| }
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|
|
| function scene4(t){
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| if(t < S3_CUT) return;
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| var alpha = 1 - ss(FADE_A, FADE_B, t);
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| if(alpha <= 0) return;
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| var n = Math.min(TITLE2.length, Math.floor(TITLE2.length * clamp((t - S3_CUT) / S4_TYPE, 0, 1)));
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| if(n <= 0) return;
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| var shown = TITLE2.slice(0,n);
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| ctx.save();
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| ctx.globalAlpha = alpha;
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| ctx.textAlign = 'center';
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| ctx.fillStyle = '#0B0B0B';
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| var size = fitSize(TITLE2, 700, 74, 1300);
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| ctx.font = fontStr(700, size);
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| ctx.fillText(shown, DW/2, DH/2);
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| ctx.restore();
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| }
|
|
|
| function chatScene(t){
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| if(t < S2_POP || t >= S3_CUT) return;
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|
|
|
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| var col = bubbleCol(t);
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| ctx.save();
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| ctx.textAlign = 'left';
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| ctx.font = fontStr(400, 27);
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| var lines = wrap(QUESTION, 430);
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| var maxL = 0, i, j;
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| for(i=0;i<lines.length;i++) maxL = Math.max(maxL, ctx.measureText(lines[i]).width);
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|
|
| var padX = 36, padY = 32, lh = 36;
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| var bw = maxL + padX*2;
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| var bh = lines.length*lh + padY*2;
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| var right = 1470;
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| var slide = easeInOut(clamp((t - SLIDE_A) / (SLIDE_B - SLIDE_A), 0, 1));
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| var top = 300 - 140 * slide;
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| var cx = right - bw/2, cy = top + bh/2;
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|
|
| var pop = clamp((t - S2_POP)/POP_DUR, 0, 1);
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| var popS = easeOutBack(pop);
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| if(popS > 0){
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| var s = popS * (1 + 0.010 * col.g);
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| ctx.translate(cx, cy); ctx.scale(s, s); ctx.translate(-cx, -cy);
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|
|
| ctx.fillStyle = col.fill;
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| rrect(ctx, right - bw, top, bw, bh, 30);
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| ctx.fill();
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|
|
| ctx.fillStyle = col.txt;
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| ctx.font = fontStr(400, 27);
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| ctx.textAlign = 'left';
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| for(i=0;i<lines.length;i++){
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| ctx.fillText(lines[i], right - bw + padX, top + padY + lh/2 + i*lh);
|
| }
|
| }
|
| ctx.restore();
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|
|
|
|
| ctx.save();
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| ctx.textAlign = 'left';
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| ctx.fillStyle = '#3B3B3B';
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| ctx.font = fontStr(400, 30);
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| var blocks = layoutWords(ANSWER, RESP_W);
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| for(i=0;i<blocks.length;i++){
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| var line = blocks[i];
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| for(j=0;j<line.length;j++){
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| var w = line[j];
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| var appear = STREAM_A + (w.i / Math.max(1,(AWORDS.length-1))) * (STREAM_B - STREAM_A);
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| var a = clamp((t - appear) / WORD_RAMP, 0, 1);
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| if(a <= 0) continue;
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| ctx.globalAlpha = a;
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| ctx.fillText(w.word, RESP_X + w.x, RESP_TOP + i*RESP_LH);
|
| }
|
| }
|
| ctx.globalAlpha = 1;
|
|
|
|
|
| var ia = clamp((t - ICON_A) / ICON_DUR, 0, 1);
|
| if(ia > 0){
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| var ease = 1 - Math.pow(1 - ia, 3);
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| var iy = RESP_TOP + blocks.length*RESP_LH + 40 + (1 - ease)*8;
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| ctx.save();
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| ctx.lineWidth = 2;
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| ctx.strokeStyle = '#8E8E8E';
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| ctx.lineJoin = 'round';
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| ctx.lineCap = 'round';
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| for(i=0;i<ICONS.length;i++){
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| ctx.save();
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| ctx.globalAlpha = ease;
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| ctx.translate(RESP_X + 14 + i*56, iy);
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| ICONS[i]();
|
| ctx.restore();
|
| }
|
| ctx.restore();
|
| }
|
| ctx.restore();
|
| }
|
|
|
|
|
| var t0 = performance.now();
|
|
|
| function draw(t){
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| ctx.setTransform(1,0,0,1,0,0);
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| ctx.fillStyle = '#FFFFFF';
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| ctx.fillRect(0,0,cv.width,cv.height);
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| ctx.setTransform(sc,0,0,sc,ox,oy);
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|
|
| ctx.textBaseline = 'middle';
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| ctx.textAlign = 'left';
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| ctx.lineJoin = 'round';
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| ctx.lineCap = 'round';
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|
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| scene1(t);
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| chatScene(t);
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| scene4(t);
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| }
|
|
|
| function frame(now){
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| var t = ((now - t0) / 1000) % LOOP;
|
| if(t < 0) t += LOOP;
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| draw(t);
|
| requestAnimationFrame(frame);
|
| }
|
| requestAnimationFrame(frame);
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|
|
| })();
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| </script>
|
| </body>
|
| </html> |
