GameX/index.html at master · singularity4/GameX · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Pointillist Landscape - Never Arrive (2K HD)</title>
<style>
* { margin:0; padding:0; box-sizing:border-box; }
body { background:#0a0a1a; overflow:hidden; font-family:'Courier New', monospace; }
canvas { display:block; cursor:crosshair; }
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<script>
const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');

let width = 1920, height = 1080;
let particles = [];
let walker = { x:0, y:0, targetX:0, targetY:0 };
let animationId;
let isAnimating = true;
let time = 0;

const palettes = [
    ['#ff006e', '#8338ec', '#3a86ff', '#06ffa5', '#ffbe0b'],
    ['#ff006e', '#fb5607', '#ffbe0b', '#8338ec', '#3a86ff'],
    ['#06ffa5', '#00f5ff', '#0099ff', '#6600ff', '#ff00aa'],
    ['#ffbe0b', '#ff006e', '#8338ec', '#3a86ff', '#06ffa5'],
];
let currentPalette = palettes[0];

function setResolution(w=1920,h=1080){
    const dpr = window.devicePixelRatio || 1;
    width = w; height = h;
    canvas.width = width*dpr;
    canvas.height = height*dpr;
    canvas.style.width = width+'px';
    canvas.style.height = height+'px';
    ctx.setTransform(1,0,0,1,0,0);
    ctx.scale(dpr,dpr);
}

function resize(){ setResolution(window.innerWidth, window.innerHeight); }

// ===== original initialization =====
function initParticles(){
    particles = [];
    const count = Math.floor((width*height)/400);
    for(let i=0;i<count;i++){
        particles.push({
            x: Math.random()*width,
            y: Math.random()*height,
            size: Math.random()*3+1,
            baseSize: Math.random()*3+1,
            color: currentPalette[Math.floor(Math.random()*currentPalette.length)],
            alpha: Math.random()*0.6+0.2,
            layer: Math.random(),
            phase: Math.random()*Math.PI*2
        });
    }
}

function initWalker(){
    walker.x = Math.random()*width;
    walker.y = Math.random()*height;
    walker.targetX = Math.random()*width;
    walker.targetY = Math.random()*height;
}

function getLandscapeHeight(x,y){
    const scale1 = 0.003, scale2=0.007, scale3=0.015;
    let h = Math.sin(x*scale1 + time*0.2)*100 + Math.sin(x*scale2 + y*scale2*0.5)*50 + Math.sin(x*scale3)*25;
    const valley = Math.abs(x-width/2)/(width/2);
    h -= valley*valley*200;
    return height*0.6+h;
}

// ===== original walker draw preserved =====
function drawWalker(){
    walker.targetX = width/2 + Math.sin(time*0.3)*(width*0.3);
    const groundY = getLandscapeHeight(walker.targetX,0);
    walker.targetY = groundY-30;
    walker.x += (walker.targetX-walker.x)*0.05;
    walker.y += (walker.targetY-walker.y)*0.05;

    ctx.globalAlpha=1;
    ctx.fillStyle='#ffffff';
    ctx.strokeStyle='#ffffff';
    ctx.lineWidth=2;

    const bounce = Math.abs(Math.sin(time*3))*5;
    const wobble = Math.sin(time*2)*2;
    ctx.beginPath();
    ctx.arc(walker.x, walker.y-25+bounce,6,0,Math.PI*2); ctx.fill();
    ctx.beginPath(); ctx.moveTo(walker.x, walker.y-19+bounce); ctx.lineTo(walker.x+wobble, walker.y+bounce); ctx.stroke();
    const legSwing = Math.sin(time*4)*10;
    ctx.beginPath(); ctx.moveTo(walker.x, walker.y+bounce); ctx.lineTo(walker.x-8+legSwing, walker.y+20+bounce);
    ctx.moveTo(walker.x, walker.y+bounce); ctx.lineTo(walker.x+8-legSwing, walker.y+20+bounce); ctx.stroke();
    ctx.beginPath(); ctx.moveTo(walker.x, walker.y-10+bounce); ctx.lineTo(walker.x-10-wobble, walker.y+5+bounce);
    ctx.moveTo(walker.x, walker.y-10+bounce); ctx.lineTo(walker.x+10+wobble, walker.y+5+bounce); ctx.stroke();

    ctx.globalAlpha=0.2;
    ctx.beginPath();
    ctx.arc(walker.x, walker.y,40,0,Math.PI*2);
    ctx.fillStyle='#ffffff';
    ctx.fill();
}

function drawStars(){
    ctx.globalAlpha=0.8;
    ctx.fillStyle='#ffffff';
    for(let i=0;i<100;i++){
        const x=(i*137.5+time*10)%width;
        const y=(i*71.3)%(height*0.4);
        const size=Math.random()*1.5;
        const twinkle=Math.sin(time*3+i)*0.5+0.5;
        ctx.globalAlpha=twinkle*0.8;
        ctx.beginPath();
        ctx.arc(x,y,size,0,Math.PI*2);
        ctx.fill();
    }
}

function animate(){
    if(!isAnimating) return;
    ctx.globalAlpha=0.1;
    ctx.fillStyle='#0a0a1a';
    ctx.fillRect(0,0,width,height);
    time+=0.016;
    drawStars();
    particles.forEach(p=>{
        const landscapeY = getLandscapeHeight(p.x,p.y);
        if(p.y>landscapeY){ p.alpha=Math.min(0.8,p.alpha+0.01); p.size=p.baseSize*(1+Math.random()); }
        else{ p.alpha=Math.max(0.1,p.alpha-0.005); p.size=p.baseSize*0.5; p.alpha += Math.sin(time*2+p.phase)*0.02; }
        p.x += Math.sin(time+p.phase)*0.2; p.y += Math.cos(time*0.5+p.phase)*0.1;
        ctx.globalAlpha=Math.max(0,Math.min(1,p.alpha));
        ctx.fillStyle=p.color;
        ctx.beginPath();
        ctx.arc(p.x,p.y,p.size,0,Math.PI*2);
        ctx.fill();
    });
    drawWalker();
    animationId=requestAnimationFrame(animate);
}

function generate(){
    currentPalette = palettes[Math.floor(Math.random()*palettes.length)];
    time=0;
    initParticles();
    ctx.fillStyle='#0a0a1a';
    ctx.globalAlpha=1;
    ctx.fillRect(0,0,width,height);
}

function toggleAnimation(){ isAnimating=!isAnimating; if(isAnimating) animate(); }
function saveImage(){ const a=document.createElement('a'); a.download='pointillist-landscape.png'; a.href=canvas.toDataURL(); a.click(); }

// === Automatic HD Recording ===
let recorder; let chunks=[];
function startRecording(durationMs=30000){
    try{
        const stream=canvas.captureStream(60);
        recorder=new MediaRecorder(stream,{mimeType:"video/webm",videoBitsPerSecond:25000000});
        recorder.ondataavailable=e=>{if(e.data.size>0) chunks.push(e.data);}
        recorder.onstop=()=>{
            const blob=new Blob(chunks,{type:"video/webm"});
            const url=URL.createObjectURL(blob);
            const a=document.createElement('a');
            a.href=url; a.download="pointillist_landscape_2k_HD.webm";
            a.click();
            URL.revokeObjectURL(url);
        };
        recorder.start();
        setTimeout(()=>recorder.stop(),durationMs);
    }catch(e){console.warn("Recording not supported.");}
}

// === Initialize ===
setResolution(1920,1080);
initParticles();
initWalker();
animate();
startRecording(30000);

canvas.addEventListener('click',generate);
window.addEventListener('resize',()=>setResolution(window.innerWidth,window.innerHeight));
</script>
</body>
</html>