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(function(){
if(document.documentElement.classList.contains('sno-splash-skip'))return;
var cv=document.getElementById('splash-gl-canvas');
if(!cv||typeof THREE==='undefined')return;
var raf,ren,sc,ca,clock,ribbons=[],SEG=48;
var cols=[0x00ffb3,0x00cfe8,0xc084fc,0x48e8d0,0xa855f7];
var yPos=[2,5.5,9,12.5,16], zPos=[-18,-14,-10,-7,-4];
function cleanup(){
window.removeEventListener('resize',sz);
if(raf)cancelAnimationFrame(raf);raf=null;
ribbons.forEach(function(rb){rb.geo.dispose();rb.mesh.material.dispose();});
ribbons=[];
if(ren){ren.dispose();ren=null;}
window._snonuxSplashWebGLCleanup=null;
}
window._snonuxSplashWebGLCleanup=cleanup;
function sz(){
var w=cv.clientWidth||2,h=cv.clientHeight||2;
if(ren)ren.setSize(w,h,false);
if(ca){ca.aspect=w/h;ca.updateProjectionMatrix();}
}
ren=new THREE.WebGLRenderer({canvas:cv,antialias:true,alpha:true});
ren.setClearColor(0,0);ren.setPixelRatio(Math.min(window.devicePixelRatio||1,2));
sc=new THREE.Scene();
ca=new THREE.PerspectiveCamera(52,1,0.1,120);
ca.position.set(0,10,26);ca.lookAt(0,8,-6);
clock=new THREE.Clock();
for(var r=0;r<5;r++){
var geo=new THREE.PlaneGeometry(100,7,SEG,1);
var mat=new THREE.MeshBasicMaterial({
color:cols[r],transparent:true,opacity:0.26+r*0.02,
side:THREE.DoubleSide,blending:THREE.AdditiveBlending,depthWrite:false
});
var mesh=new THREE.Mesh(geo,mat);
mesh.position.set(0,yPos[r],zPos[r]);
sc.add(mesh);
ribbons.push({mesh:mesh,geo:geo,freq:0.55+0.12*r,phase:r*1.15,amp:2.4+0.2*r});
}
function loop(){
raf=requestAnimationFrame(loop);
var t=clock.getElapsedTime();
for(var i=0;i<ribbons.length;i++){
var rb=ribbons[i],pos=rb.geo.attributes.position;
for(var v=0;v<pos.count;v++){
if(pos.getY(v)>0){
var x=pos.getX(v);
pos.setY(v,rb.amp*Math.sin(t*rb.freq+x*0.065+rb.phase)
+rb.amp*0.38*Math.cos(t*rb.freq*0.72+x*0.042));
}
}
pos.needsUpdate=true;
}
ren.render(sc,ca);
}
sz();window.addEventListener('resize',sz);
raf=requestAnimationFrame(loop);
})();
// Aurora WebGL: six wide ribbon meshes whose top-row vertices are animated
// with overlapping sine waves, rendered with additive blending so they glow
// against the dark navy sky like real aurora curtains.
(function() {
var _wild = false, _snoTOffset = 0, _snoLastT = 0;
var RIBBON_COUNT = 6;
var SEG_W = 60; // horizontal segments per ribbon
var ribbonColors = [0x00ffb3, 0x00cfe8, 0xc084fc, 0x00ffb3, 0x48e8d0, 0xa855f7];
var ribbonY = [-10, -4, 2, 8, 14, 20];
var ribbonZ = [-40, -30, -22, -15, -10, -5];
var ribbonFreq = [0.6, 0.9, 0.7, 1.1, 0.5, 0.8];
var ribbonPhase = [0.0, 1.2, 2.4, 0.8, 3.1, 1.7];
var ribbonAmp = [3.0, 2.5, 2.0, 3.5, 2.2, 2.8];
var scene, camera, renderer, clock;
var ribbons = [];
function initThree() {
scene = new THREE.Scene();
scene.background = new THREE.Color(0x050d1a);
scene.fog = new THREE.Fog(0x050d1a, 40, 120);
camera = new THREE.PerspectiveCamera(60, window.innerWidth/window.innerHeight, 0.1, 200);
camera.position.set(0, 5, 30);
camera.lookAt(0, 5, 0);
renderer = new THREE.WebGLRenderer({ canvas: document.getElementById('three-canvas'), antialias: true });
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
clock = new THREE.Clock();
for (var r = 0; r < RIBBON_COUNT; r++) {
// Wide shallow plane; we animate the top row of vertices
var geo = new THREE.PlaneGeometry(120, 8, SEG_W, 1);
var mat = new THREE.MeshBasicMaterial({
color: ribbonColors[r], transparent: true, opacity: 0.32,
side: THREE.DoubleSide, blending: THREE.AdditiveBlending, depthWrite: false
});
var mesh = new THREE.Mesh(geo, mat);
mesh.position.set(0, ribbonY[r], ribbonZ[r]);
scene.add(mesh);
ribbons.push({ mesh: mesh, geo: geo, freq: ribbonFreq[r],
phase: ribbonPhase[r], amp: ribbonAmp[r] });
}
window.addEventListener('resize', onResize);
animate();
}
function onResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function animate() {
requestAnimationFrame(animate);
var realT = clock.getElapsedTime();
// Wild mode: accelerate time 18× so waves churn much faster
_snoTOffset += (realT - _snoLastT) * (_wild ? 18 : 0);
_snoLastT = realT;
var t = realT + _snoTOffset;
var ampMult = _wild ? 3.2 : 1;
// Camera sways left/right and bobs up/down in wild mode
camera.position.x = _wild ? Math.sin(t * 0.28) * 10 : 0;
camera.position.y = _wild ? 5 + Math.cos(t * 0.19) * 4 : 5;
for (var r = 0; r < ribbons.length; r++) {
var rb = ribbons[r];
var pos = rb.geo.attributes.position;
var count = pos.count;
// In wild mode ribbons also drift vertically so they cross and tangle
var yDrift = _wild ? Math.sin(t * rb.freq * 0.4 + r * 1.1) * 6 : 0;
rb.mesh.position.y = ribbonY[r] + yDrift;
// PlaneGeometry vertices: (SEG_W+1)*2 total; top row is every other vertex
for (var i = 0; i < count; i++) {
var x = pos.getX(i);
// Only animate top row (y > 0 in local space) for the waving top edge
if (pos.getY(i) > 0) {
pos.setY(i, rb.amp * ampMult * Math.sin(t * rb.freq + x * 0.08 + rb.phase)
+ rb.amp * ampMult * 0.4 * Math.cos(t * rb.freq * 0.7 + x * 0.05));
}
}
pos.needsUpdate = true;
}
renderer.render(scene, camera);
}
initThree();
// Aurora nav/wild effects — snow burst on navigate, blizzard storm on wild
window.snonuxOpenEffect = function() {
var modal = document.getElementById('post-modal');
if (modal) { modal.classList.add('sno-modal-zoom'); setTimeout(function() { modal.classList.remove('sno-modal-zoom'); }, 400); }
// Frost shimmer — aurora-colored radial
var d = document.createElement('div');
d.style.cssText = 'position:fixed;inset:0;z-index:997;pointer-events:none;background:radial-gradient(ellipse at center,rgba(0,255,179,0.14) 0%,rgba(192,132,252,0.1) 55%,transparent 80%);transition:opacity 0.3s';
document.body.appendChild(d);
setTimeout(function() { d.style.opacity='0'; setTimeout(function() { d.remove(); }, 340); }, 15);
};
window.snonuxCloseEffect = function() {
var d = document.createElement('div');
d.style.cssText = 'position:fixed;inset:0;z-index:998;pointer-events:none;background:rgba(0,207,232,0.12);transition:opacity 0.2s';
document.body.appendChild(d);
setTimeout(function() { d.style.opacity='0'; setTimeout(function() { d.remove(); }, 230); }, 15);
};
window.snonuxScrollEffect = function(dir) {
var isDown = dir === 'down';
var thick = _wild ? '14px' : '5px';
var d = document.createElement('div');
d.style.cssText = 'position:fixed;left:0;right:0;height:' + thick + ';z-index:9000;pointer-events:none;' +
'background:linear-gradient(90deg,transparent,rgba(0,207,232,0.9),rgba(120,200,100,0.9),rgba(0,207,232,0.9),transparent);' +
(isDown ? 'top:0;' : 'bottom:0;') +
'transition:transform 0.32s ease,opacity 0.32s ease;';
document.body.appendChild(d);
setTimeout(function() { d.style.transform = isDown ? 'translateY(100vh)' : 'translateY(-100vh)'; d.style.opacity='0'; }, 16);
setTimeout(function() { d.remove(); }, 400);
};
window.snonuxWildToggle = function() {
_wild = !_wild;
var b = document.getElementById('sno-wild-badge');
if (b) b.classList.toggle('sno-wild-on', _wild);
};
window.snonuxNavEffect = function() {
// Snow burst — CSS snowflakes scatter from cursor
var ov = document.querySelector('.overlay');
if (ov) { ov.classList.add('sno-fx-shake'); setTimeout(function() { ov.classList.remove('sno-fx-shake'); }, 380); }
// Frost flash
var d = document.createElement('div');
d.style.cssText = 'position:fixed;inset:0;z-index:998;pointer-events:none;background:radial-gradient(ellipse at center,rgba(0,255,179,0.18) 0%,rgba(192,132,252,0.1) 60%,transparent 100%);transition:opacity 0.22s';
document.body.appendChild(d);
setTimeout(function() { d.style.opacity='0'; setTimeout(function() { d.remove(); }, 250); }, 30);
};
window.snonuxPageEffect = function() {
var ov = document.querySelector('.overlay');
if (ov) { ov.classList.add('sno-fx-zoom'); setTimeout(function() { ov.classList.remove('sno-fx-zoom'); }, 330); }
};
})();
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