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65a5b8bd83b1d83a986ae2175cf4bef95cc6ac42
serversite/draw.html
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johnruina 65a5b8bd83 draw and fixes
2026-06-09 09:49:35 -04:00

589 lines
16 KiB
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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>awesome johnruina site</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@600;800;900&display=swap" rel="stylesheet">
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
min-height: 100vh;
background: #0f0f0f;
font-family: 'Inter', sans-serif;
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
}
.draw-layout {
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
width: 100vw;
gap: 1.5rem;
padding: 1.5rem;
}
.draw-canvas-wrap {
display: flex;
align-items: center;
justify-content: center;
flex: 1;
min-width: 0;
align-self: stretch;
}
.draw-canvas-wrap canvas {
max-width: 100%;
max-height: 100%;
border-radius: 12px;
box-shadow: 0 0 60px rgba(74,74,138,0.15);
cursor: crosshair;
background: #fff;
}
.top-bar {
position: fixed;
top: 0;
left: 0;
right: 0;
display: flex;
justify-content: space-between;
align-items: center;
padding: 1rem 1.5rem;
z-index: 10;
pointer-events: none;
}
.top-bar > * { pointer-events: auto; }
.back-btn {
text-decoration: none;
color: #888;
font-family: 'Inter', sans-serif;
font-size: 0.75rem;
font-weight: 700;
letter-spacing: 0.5px;
text-transform: uppercase;
transition: color 0.2s;
background: rgba(15,15,15,0.7);
padding: 0.4rem 0.8rem;
border-radius: 6px;
border: 1px solid #333;
}
.back-btn:hover { color: #fff; border-color: #555; }
/* ─── sidebar ─── */
.draw-settings {
width: 180px;
display: flex;
flex-direction: column;
gap: 0.85rem;
padding: 1.2rem;
background: rgba(20,20,35,0.85);
border: 1px solid #2a2a4a;
border-radius: 12px;
max-height: 90vh;
overflow-y: auto;
flex-shrink: 0;
align-items: center;
}
.draw-settings::-webkit-scrollbar { width: 4px; }
.draw-settings::-webkit-scrollbar-thumb { background: #333; border-radius: 2px; }
.settings-title {
color: #aaa;
font-weight: 800;
font-size: 0.65rem;
letter-spacing: 1.5px;
text-transform: uppercase;
border-bottom: 1px solid #2a2a4a;
padding-bottom: 0.6rem;
width: 100%;
text-align: center;
}
#wheelCanvas {
border-radius: 50%;
cursor: crosshair;
width: 150px;
height: 150px;
flex-shrink: 0;
}
.color-preview {
width: 60px;
height: 60px;
border-radius: 50%;
border: 2px solid #333;
flex-shrink: 0;
}
.slider-group {
width: 100%;
display: flex;
flex-direction: column;
gap: 0.2rem;
}
.slider-group label {
display: flex;
justify-content: space-between;
color: #888;
font-size: 0.55rem;
font-weight: 600;
letter-spacing: 0.5px;
text-transform: uppercase;
}
.slider-group label span {
color: #bbb;
font-weight: 800;
}
.slider-group input[type="range"] {
-webkit-appearance: none;
appearance: none;
width: 100%;
height: 3px;
background: #2a2a4a;
border-radius: 2px;
outline: none;
cursor: pointer;
}
.slider-group input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 12px;
height: 12px;
background: #4a4a8a;
border-radius: 50%;
cursor: pointer;
transition: background 0.2s;
}
.slider-group input[type="range"]::-webkit-slider-thumb:hover {
background: #6a6aaa;
}
.slider-group input[type="range"]::-moz-range-thumb {
width: 12px;
height: 12px;
background: #4a4a8a;
border-radius: 50%;
border: none;
cursor: pointer;
}
.brush-row {
display: flex;
gap: 4px;
flex-wrap: wrap;
justify-content: center;
width: 100%;
}
.brush-btn {
padding: 0.35rem 0.7rem;
background: transparent;
color: #666;
border: 1px solid #333;
border-radius: 6px;
font-family: 'Inter', sans-serif;
font-weight: 600;
font-size: 0.55rem;
cursor: pointer;
transition: all 0.2s;
text-transform: uppercase;
letter-spacing: 0.3px;
}
.brush-btn:hover { color: #ccc; border-color: #555; }
.brush-btn.active { color: #fff; border-color: #4a4a8a; background: #1a1a2e; }
.settings-btn {
width: 100%;
padding: 0.5rem 0;
background: transparent;
color: #666;
border: 1px solid #333;
border-radius: 6px;
font-family: 'Inter', sans-serif;
font-weight: 700;
font-size: 0.6rem;
cursor: pointer;
transition: all 0.25s;
text-transform: uppercase;
letter-spacing: 0.5px;
text-align: center;
}
.settings-btn:hover { color: #ccc; border-color: #555; background: rgba(255,255,255,0.03); }
@media (max-width: 700px) {
.draw-layout { flex-direction: column; padding: 1rem; padding-top: 3rem; }
.draw-settings { width: 100%; max-height: 200px; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 0.5rem; padding: 0.8rem; }
.draw-settings .settings-title { width: 100%; }
#wheelCanvas { width: 80px; height: 80px; }
.color-preview { width: 40px; height: 40px; }
.slider-group { flex: 1; min-width: 80px; }
.brush-row { width: auto; }
}
</style>
</head>
<body>
<div class="top-bar">
<a class="back-btn" href="index.html">← Back</a>
</div>
<div class="draw-layout">
<div class="draw-canvas-wrap">
<canvas id="drawCanvas"></canvas>
</div>
<div class="draw-settings">
<div class="settings-title">Drawing Tools</div>
<canvas id="wheelCanvas" width="300" height="300"></canvas>
<div class="color-preview" id="colorPreview"></div>
<div class="slider-group">
<label>Lightness <span id="lightVal">50%</span></label>
<input type="range" id="lightSlider" min="0" max="100" step="1" value="50">
</div>
<div class="slider-group">
<label>Size <span id="sizeVal">10</span></label>
<input type="range" id="sizeSlider" min="1" max="100" step="1" value="10">
</div>
<div class="slider-group">
<label>Opacity <span id="opacityVal">100%</span></label>
<input type="range" id="opacitySlider" min="5" max="100" step="1" value="100">
</div>
<div class="brush-row" id="brushTypes">
<button class="brush-btn active" data-brush="round">Round</button>
<button class="brush-btn" data-brush="soft">Soft</button>
<button class="brush-btn" data-brush="square">Square</button>
<button class="brush-btn" data-brush="spray">Spray</button>
</div>
<button class="settings-btn" id="clearCanvas">Clear Canvas</button>
</div>
</div>
<script>
// ─── color utilities ───
function hslToRgb(h, s, l) {
let r, g, b;
if (s === 0) {
r = g = b = l;
} else {
const hue2rgb = (p, q, t) => {
if (t < 0) t += 1;
if (t > 1) t -= 1;
if (t < 1/6) return p + (q - p) * 6 * t;
if (t < 1/2) return q;
if (t < 2/3) return p + (q - p) * (2/3 - t) * 6;
return p;
};
const q = l < 0.5 ? l * (1 + s) : l + s - l * s;
const p = 2 * l - q;
r = hue2rgb(p, q, h + 1/3);
g = hue2rgb(p, q, h);
b = hue2rgb(p, q, h - 1/3);
}
return [r, g, b];
}
// ─── drawing canvas ───
const canvas = document.getElementById('drawCanvas');
const ctx = canvas.getContext('2d');
function resizeCanvas() {
const wrap = document.querySelector('.draw-canvas-wrap');
const rect = wrap.getBoundingClientRect();
let size = Math.floor(Math.min(rect.width, rect.height, 900));
if (size < 50) size = 600;
if (canvas.width !== size || canvas.height !== size) {
const temp = document.createElement('canvas');
temp.width = canvas.width;
temp.height = canvas.height;
const tctx = temp.getContext('2d');
tctx.drawImage(canvas, 0, 0);
canvas.width = size;
canvas.height = size;
ctx.drawImage(temp, 0, 0, size, size);
}
}
// ─── color wheel ───
const wheelCanvas = document.getElementById('wheelCanvas');
const wheelCtx = wheelCanvas.getContext('2d');
const wheelSize = 300;
const wheelRadius = wheelSize / 2 - 6;
let currentHue = 0;
let currentSat = 1;
let currentLight = 0.5;
let currentColor = 'rgb(255,0,0)';
function drawColorWheel() {
const cx = wheelSize / 2;
const cy = wheelSize / 2;
const r = wheelRadius;
const imgData = wheelCtx.createImageData(wheelSize, wheelSize);
const data = imgData.data;
for (let y = 0; y < wheelSize; y++) {
for (let x = 0; x < wheelSize; x++) {
const dx = x - cx;
const dy = y - cy;
const dist = Math.sqrt(dx * dx + dy * dy);
if (dist <= r) {
const hue = (Math.atan2(dy, dx) / Math.PI * 180 + 180) / 360;
const sat = Math.min(1, dist / r);
const [r2, g, b] = hslToRgb(hue, sat, currentLight);
const idx = (y * wheelSize + x) * 4;
data[idx] = Math.round(r2 * 255);
data[idx + 1] = Math.round(g * 255);
data[idx + 2] = Math.round(b * 255);
data[idx + 3] = 255;
}
}
}
wheelCtx.putImageData(imgData, 0, 0);
wheelCtx.beginPath();
wheelCtx.arc(cx, cy, r, 0, Math.PI * 2);
wheelCtx.strokeStyle = '#333';
wheelCtx.lineWidth = 2;
wheelCtx.stroke();
}
function colorFromWheel(clientX, clientY) {
const rect = wheelCanvas.getBoundingClientRect();
const x = (clientX - rect.left) * (wheelSize / rect.width);
const y = (clientY - rect.top) * (wheelSize / rect.height);
const cx = wheelSize / 2;
const cy = wheelSize / 2;
const dx = x - cx;
const dy = y - cy;
const dist = Math.sqrt(dx * dx + dy * dy);
if (dist > wheelRadius) return null;
const hue = (Math.atan2(dy, dx) / Math.PI * 180 + 180) / 360;
const sat = dist / wheelRadius;
return { hue, sat, dist };
}
function pickColor(clientX, clientY) {
const c = colorFromWheel(clientX, clientY);
if (!c) return;
currentHue = c.hue;
currentSat = c.sat;
updateCurrentColor();
}
function updateCurrentColor() {
const [r, g, b] = hslToRgb(currentHue, currentSat, currentLight);
currentColor = `rgb(${Math.round(r*255)},${Math.round(g*255)},${Math.round(b*255)})`;
document.getElementById('colorPreview').style.background = currentColor;
}
let wheelDown = false;
wheelCanvas.addEventListener('mousedown', (e) => {
pickColor(e.clientX, e.clientY);
wheelDown = true;
});
window.addEventListener('mousemove', (e) => {
if (wheelDown) pickColor(e.clientX, e.clientY);
});
window.addEventListener('mouseup', () => { wheelDown = false; });
wheelCanvas.addEventListener('touchstart', (e) => {
e.preventDefault();
const t = e.touches[0];
pickColor(t.clientX, t.clientY);
wheelDown = true;
}, { passive: false });
wheelCanvas.addEventListener('touchmove', (e) => {
e.preventDefault();
if (wheelDown) {
const t = e.touches[0];
pickColor(t.clientX, t.clientY);
}
}, { passive: false });
wheelCanvas.addEventListener('touchend', (e) => {
e.preventDefault();
wheelDown = false;
}, { passive: false });
// ─── lightness ───
const lightSlider = document.getElementById('lightSlider');
const lightVal = document.getElementById('lightVal');
lightSlider.addEventListener('input', () => {
currentLight = parseFloat(lightSlider.value) / 100;
lightVal.textContent = Math.round(currentLight * 100) + '%';
drawColorWheel();
updateCurrentColor();
});
// ─── brush size ───
const sizeSlider = document.getElementById('sizeSlider');
const sizeVal = document.getElementById('sizeVal');
sizeSlider.addEventListener('input', () => {
sizeVal.textContent = sizeSlider.value;
});
// ─── opacity ───
const opacitySlider = document.getElementById('opacitySlider');
const opacityVal = document.getElementById('opacityVal');
opacitySlider.addEventListener('input', () => {
opacityVal.textContent = opacitySlider.value + '%';
});
// ─── brush type ───
let brushType = 'round';
const brushBtns = document.querySelectorAll('#brushTypes .brush-btn');
brushBtns.forEach(btn => {
btn.addEventListener('click', () => {
brushBtns.forEach(b => b.classList.remove('active'));
btn.classList.add('active');
brushType = btn.dataset.brush;
});
});
// ─── drawing ───
let isDown = false;
let lastX = -1, lastY = -1;
function drawBrush(x, y, size) {
const opacity = parseFloat(opacitySlider.value) / 100;
ctx.globalAlpha = opacity;
ctx.fillStyle = currentColor;
if (brushType === 'round') {
ctx.beginPath();
ctx.arc(x, y, size / 2, 0, Math.PI * 2);
ctx.fill();
} else if (brushType === 'soft') {
const grad = ctx.createRadialGradient(x, y, 0, x, y, size / 2);
grad.addColorStop(0, currentColor);
grad.addColorStop(1, 'transparent');
ctx.fillStyle = grad;
ctx.beginPath();
ctx.arc(x, y, size / 2, 0, Math.PI * 2);
ctx.fill();
} else if (brushType === 'square') {
ctx.fillRect(x - size / 2, y - size / 2, size, size);
} else if (brushType === 'spray') {
const count = Math.max(5, size * 0.8);
for (let i = 0; i < count; i++) {
const angle = Math.random() * Math.PI * 2;
const radius = Math.random() * size / 2;
const dotSize = Math.max(1, 1 + Math.random() * 2);
ctx.fillRect(
x + Math.cos(angle) * radius,
y + Math.sin(angle) * radius,
dotSize, dotSize
);
}
}
ctx.globalAlpha = 1;
}
function drawLine(x1, y1, x2, y2) {
const size = parseFloat(sizeSlider.value);
const dist = Math.sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2);
const steps = Math.max(1, Math.floor(dist / 1.5));
for (let i = 0; i <= steps; i++) {
const t = i / steps;
drawBrush(
x1 + (x2 - x1) * t,
y1 + (y2 - y1) * t,
size
);
}
}
function canvasCoords(e) {
const rect = canvas.getBoundingClientRect();
return {
x: (e.clientX - rect.left) * (canvas.width / rect.width),
y: (e.clientY - rect.top) * (canvas.height / rect.height),
};
}
function startDraw(e) {
const p = canvasCoords(e);
lastX = p.x; lastY = p.y;
isDown = true;
drawBrush(lastX, lastY, parseFloat(sizeSlider.value));
}
function moveDraw(e) {
if (!isDown) return;
const p = canvasCoords(e);
drawLine(lastX, lastY, p.x, p.y);
lastX = p.x; lastY = p.y;
}
function endDraw() {
isDown = false;
lastX = -1; lastY = -1;
}
canvas.addEventListener('mousedown', startDraw);
canvas.addEventListener('mousemove', moveDraw);
window.addEventListener('mouseup', endDraw);
canvas.addEventListener('touchstart', (e) => {
e.preventDefault();
const t = e.touches[0];
startDraw(t);
}, { passive: false });
canvas.addEventListener('touchmove', (e) => {
e.preventDefault();
const t = e.touches[0];
moveDraw(t);
}, { passive: false });
canvas.addEventListener('touchend', (e) => {
e.preventDefault();
endDraw();
}, { passive: false });
// ─── clear ───
document.getElementById('clearCanvas').addEventListener('click', () => {
ctx.clearRect(0, 0, canvas.width, canvas.height);
});
// ─── init ───
drawColorWheel();
updateCurrentColor();
resizeCanvas();
window.addEventListener('resize', resizeCanvas);
</script>
</body>
</html>
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