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61 lines (48 loc) · 1.18 KB
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Copy pathscript.js
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61 lines (48 loc) · 1.18 KB
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(function getConsolePrint() {
console.log("Hello from Console")
})();
const canvas = document.querySelector('#draw');
const ctx = canvas.getContext('2d');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
ctx.strokeStyle = "#BADA55";
ctx.lineJoin = 'round';
ctx.lineCap = 'round';
ctx.lineWidth = 10;
let isDrwaing = false;
let lastX = 0;
let lastY = 0;
let hue = 0;
let direction = true;
function draw(e) {
if (!isDrwaing) return;
ctx.beginPath();
ctx.strokeStyle = `hsl(${hue},100%,50%)`;
ctx.moveTo(lastX, lastY);
ctx.lineTo(e.offsetX, e.offsetY);
ctx.stroke();
lastX = e.offsetX;
lastY = e.offsetY;
hue++;
if (hue > 360) hue = 0;
if (ctx.lineWidth >= 50 || ctx.lineWidth <= 1) {
direction = !direction;
}
if (direction) {
ctx.lineWidth++;
}
else {
ctx.lineWidth--;
}
}
canvas.addEventListener('mousemove', draw);
canvas.addEventListener('mousedown', (e) => {
lastX = e.offsetX;
lastY = e.offsetY;
isDrwaing = true
})
canvas.addEventListener('mouseup', () => {
ctx.lineWidth = 0;
isDrwaing = false
})
canvas.addEventListener('mouseout', () => isDrwaing = false)