| 1 |
(function () { |
| 2 |
|
| 3 |
var typoMap = [ |
| 4 |
['family','font-family'],['weight','font-weight'],['style','font-style'], |
| 5 |
['decoration','text-decoration'],['transform','text-transform'], |
| 6 |
['sizeDesktop','font-size-d'],['sizeTablet','font-size-t'],['sizeMobile','font-size-m'], |
| 7 |
['lineHeightDesktop','line-height-d'],['lineHeightTablet','line-height-t'],['lineHeightMobile','line-height-m'], |
| 8 |
['letterSpacingDesktop','letter-spacing-d'],['letterSpacingTablet','letter-spacing-t'],['letterSpacingMobile','letter-spacing-m'], |
| 9 |
['wordSpacingDesktop','word-spacing-d'],['wordSpacingTablet','word-spacing-t'],['wordSpacingMobile','word-spacing-m'] |
| 10 |
]; |
| 11 |
function typoCssVarsForEl(typo, prefix, el) { |
| 12 |
if (!typo || typeof typo !== 'object') return; |
| 13 |
for (var i = 0; i < typoMap.length; i++) { |
| 14 |
var v = typo[typoMap[i][0]]; |
| 15 |
if (v !== undefined && v !== '' && v !== null) el.style.setProperty(prefix + typoMap[i][1], String(v)); |
| 16 |
} |
| 17 |
} |
| 18 |
|
| 19 |
function fibonacciSphere(n, r) { |
| 20 |
var points = []; |
| 21 |
var phi = Math.PI * (3 - Math.sqrt(5)); |
| 22 |
for (var i = 0; i < n; i++) { |
| 23 |
var y = 1 - (i / Math.max(n - 1, 1)) * 2; |
| 24 |
var radius = Math.sqrt(1 - y * y); |
| 25 |
var theta = phi * i; |
| 26 |
points.push([Math.cos(theta) * radius * r, y * r, Math.sin(theta) * radius * r]); |
| 27 |
} |
| 28 |
return points; |
| 29 |
} |
| 30 |
|
| 31 |
function rotateX(pts, a) { |
| 32 |
var cos = Math.cos(a), sin = Math.sin(a); |
| 33 |
return pts.map(function(p) { return [p[0], p[1]*cos - p[2]*sin, p[1]*sin + p[2]*cos]; }); |
| 34 |
} |
| 35 |
function rotateY(pts, a) { |
| 36 |
var cos = Math.cos(a), sin = Math.sin(a); |
| 37 |
return pts.map(function(p) { return [p[0]*cos + p[2]*sin, p[1], -p[0]*sin + p[2]*cos]; }); |
| 38 |
} |
| 39 |
|
| 40 |
function lerpColor(a, b, t) { |
| 41 |
if (!a || !b) return a||b||'#fff'; |
| 42 |
function h(str, o) { return parseInt(str.replace('#','').substr(o,2),16); } |
| 43 |
var rr=Math.round(h(a,0)+(h(b,0)-h(a,0))*t); |
| 44 |
var rg=Math.round(h(a,2)+(h(b,2)-h(a,2))*t); |
| 45 |
var rb=Math.round(h(a,4)+(h(b,4)-h(a,4))*t); |
| 46 |
return 'rgb('+rr+','+rg+','+rb+')'; |
| 47 |
} |
| 48 |
|
| 49 |
var MULTI_COLORS = ['#7c3aed','#ec4899','#06b6d4','#f59e0b','#10b981','#ef4444','#3b82f6']; |
| 50 |
|
| 51 |
function initIconCloud(appEl) { |
| 52 |
var opts; |
| 53 |
try { opts = JSON.parse(appEl.getAttribute('data-opts') || '{}'); } catch(e){ opts = {}; } |
| 54 |
|
| 55 |
var a = { |
| 56 |
items: opts.items || [], |
| 57 |
cloudRadius: opts.cloudRadius || 220, |
| 58 |
autoRotateX: opts.autoRotateX === undefined ? 0.002 : opts.autoRotateX, |
| 59 |
autoRotateY: opts.autoRotateY === undefined ? 0.004 : opts.autoRotateY, |
| 60 |
mouseEffect: opts.mouseEffect !== false, |
| 61 |
mouseStrength: opts.mouseStrength || 0.06, |
| 62 |
perspective: opts.perspective || 900, |
| 63 |
fontSize: (opts.itemTypo && opts.itemTypo.sizeDesktop) ? parseFloat(opts.itemTypo.sizeDesktop) : (opts.fontSize || 14), |
| 64 |
fontWeight: opts.fontWeight || 600, |
| 65 |
itemPadding: opts.itemPadding || 6, |
| 66 |
itemBorderRadius:opts.itemBorderRadius||6, |
| 67 |
bgColor: opts.bgColor || '', |
| 68 |
cloudHeight: opts.cloudHeight || 500, |
| 69 |
colorMode: opts.colorMode || 'gradient', |
| 70 |
colorFrom: opts.colorFrom || '#7c3aed', |
| 71 |
colorTo: opts.colorTo || '#ec4899', |
| 72 |
itemBg: opts.itemBg || '#1e1b4b', |
| 73 |
itemBorder: opts.itemBorder || '#7c3aed44', |
| 74 |
textColor: opts.textColor || '#e2e8f0', |
| 75 |
hoverBg: opts.hoverBg || '#7c3aed', |
| 76 |
hoverColor: opts.hoverColor || '#ffffff', |
| 77 |
showBackground: opts.showBackground|| false, |
| 78 |
depthFade: opts.depthFade !== false |
| 79 |
}; |
| 80 |
|
| 81 |
if (!a.items.length) { |
| 82 |
appEl.remove(); |
| 83 |
return; |
| 84 |
} |
| 85 |
|
| 86 |
var wrap = document.createElement('div'); |
| 87 |
wrap.className = 'bkbg-ic-wrap'; |
| 88 |
var cs = wrap.style; |
| 89 |
cs.setProperty('--bkbg-ic-height', a.cloudHeight + 'px'); |
| 90 |
cs.setProperty('--bkbg-ic-bg', a.showBackground && a.bgColor ? a.bgColor : 'transparent'); |
| 91 |
cs.setProperty('--bkbg-ic-item-bg', a.itemBg); |
| 92 |
cs.setProperty('--bkbg-ic-item-border', a.itemBorder); |
| 93 |
cs.setProperty('--bkbg-ic-fs', a.fontSize + 'px'); |
| 94 |
cs.setProperty('--bkbg-ic-fw', String(a.fontWeight)); |
| 95 |
cs.setProperty('--bkbg-ic-br', a.itemBorderRadius + 'px'); |
| 96 |
cs.setProperty('--bkbg-ic-pv', a.itemPadding + 'px'); |
| 97 |
cs.setProperty('--bkbg-ic-ph', (a.itemPadding + 6) + 'px'); |
| 98 |
cs.setProperty('--bkbg-ic-hover-bg', a.hoverBg); |
| 99 |
cs.setProperty('--bkbg-ic-hover-color', a.hoverColor); |
| 100 |
cs.setProperty('--bkbg-ic-fw', String(a.fontWeight)); |
| 101 |
cs.setProperty('--bkbg-ic-fs', a.fontSize + 'px'); |
| 102 |
typoCssVarsForEl(opts.itemTypo, '--bkbg-ic-it-', wrap); |
| 103 |
|
| 104 |
var stage = document.createElement('div'); |
| 105 |
stage.className = 'bkbg-ic-stage'; |
| 106 |
|
| 107 |
/* Build DOM items */ |
| 108 |
var itemEls = a.items.map(function(txt, i) { |
| 109 |
var div = document.createElement('div'); |
| 110 |
div.className = 'bkbg-ic-item'; |
| 111 |
div.textContent = txt; |
| 112 |
if (a.colorMode === 'multi') { |
| 113 |
div.style.color = MULTI_COLORS[i % MULTI_COLORS.length]; |
| 114 |
} |
| 115 |
stage.appendChild(div); |
| 116 |
return div; |
| 117 |
}); |
| 118 |
|
| 119 |
wrap.appendChild(stage); |
| 120 |
appEl.replaceWith(wrap); |
| 121 |
|
| 122 |
var n = a.items.length; |
| 123 |
var r = a.cloudRadius; |
| 124 |
var pts = fibonacciSphere(n, r); |
| 125 |
|
| 126 |
var rotX = 0, rotY = 0; |
| 127 |
var mouseX = 0, mouseY = 0; |
| 128 |
var rafId = null; |
| 129 |
|
| 130 |
function render() { |
| 131 |
var rotated = rotateX(rotateY(pts, rotY), rotX); |
| 132 |
var persp = a.perspective; |
| 133 |
|
| 134 |
for (var i = 0; i < n; i++) { |
| 135 |
var p = rotated[i]; |
| 136 |
var scale = persp / (persp - p[2]); |
| 137 |
var x2d = p[0] * scale; |
| 138 |
var y2d = p[1] * scale; |
| 139 |
var depth = (p[2] + r) / (2 * r); /* 0=back, 1=front */ |
| 140 |
var opacity = a.depthFade ? (0.25 + depth * 0.75) : 1; |
| 141 |
var el = itemEls[i]; |
| 142 |
|
| 143 |
var color; |
| 144 |
if (a.colorMode === 'gradient') { |
| 145 |
color = lerpColor(a.colorTo, a.colorFrom, depth); |
| 146 |
} else if (a.colorMode === 'multi') { |
| 147 |
color = MULTI_COLORS[i % MULTI_COLORS.length]; |
| 148 |
} else { |
| 149 |
color = a.textColor; |
| 150 |
} |
| 151 |
|
| 152 |
el.style.transform = 'translate(-50%,-50%) translate(' + x2d + 'px,' + y2d + 'px)'; |
| 153 |
el.style.zIndex = Math.round(depth * 100); |
| 154 |
el.style.opacity = opacity; |
| 155 |
el.style.color = color; |
| 156 |
el.style.fontSize = (a.fontSize * (0.7 + depth * 0.5)) + 'px'; |
| 157 |
} |
| 158 |
} |
| 159 |
|
| 160 |
function loop() { |
| 161 |
rotY += a.autoRotateY + mouseX * a.mouseStrength; |
| 162 |
rotX += a.autoRotateX + mouseY * a.mouseStrength; |
| 163 |
mouseX *= 0.9; |
| 164 |
mouseY *= 0.9; |
| 165 |
render(); |
| 166 |
rafId = requestAnimationFrame(loop); |
| 167 |
} |
| 168 |
|
| 169 |
if (a.mouseEffect) { |
| 170 |
stage.addEventListener('mousemove', function(e) { |
| 171 |
var rect = stage.getBoundingClientRect(); |
| 172 |
mouseX = (e.clientX - rect.left - rect.width / 2) / rect.width * 0.08; |
| 173 |
mouseY = (e.clientY - rect.top - rect.height / 2) / rect.height * 0.08; |
| 174 |
}); |
| 175 |
stage.addEventListener('mouseleave', function() { mouseX = 0; mouseY = 0; }); |
| 176 |
} |
| 177 |
|
| 178 |
/* Pause when off-screen */ |
| 179 |
if ('IntersectionObserver' in window) { |
| 180 |
var obs = new IntersectionObserver(function(entries) { |
| 181 |
if (entries[0].isIntersecting) { if (!rafId) loop(); } |
| 182 |
else { if (rafId) { cancelAnimationFrame(rafId); rafId = null; } } |
| 183 |
}, { threshold: 0 }); |
| 184 |
obs.observe(wrap); |
| 185 |
} else { |
| 186 |
loop(); |
| 187 |
} |
| 188 |
} |
| 189 |
|
| 190 |
document.querySelectorAll('.bkbg-ic-app').forEach(initIconCloud); |
| 191 |
})(); |
| 192 |
|
