diff options
Diffstat (limited to 'index.js')
| -rw-r--r-- | index.js | 13 |
1 files changed, 6 insertions, 7 deletions
@@ -4,16 +4,17 @@ const ctx = canvas.getContext('2d'); const canvasOffsetX = canvas.offsetLeft; const canvasOffsetY = canvas.offsetTop; -canvas.width = window.innerWidth - canvasOffsetX; -canvas.height = window.innerHeight - canvasOffsetY; +canvas.width = window.innerWidth - canvasOffsetX * 2; +canvas.height = window.innerHeight - canvasOffsetY * 2; let isPainting = false; let lineWidth = 5; let startX; -let StartY; -ctx.strokeStyle = "blue"; +let startY; +ctx.strokeStyle = "skyblue"; const draw = (e) => { + console.log(e); if (!isPainting) { return; } @@ -21,14 +22,12 @@ const draw = (e) => { ctx.lineWidth = lineWidth; ctx.lineCap = 'round'; - ctx.lineTo(e.clientX - canvasOffsetX, e.clientY - canvasOffsetY); + ctx.lineTo(e.pageX - canvasOffsetX, e.pageY - canvasOffsetY); ctx.stroke(); } canvas.addEventListener('mousedown', (e) => { isPainting = true; - startX = e.clientX; - StartY = e.clientY; }); canvas.addEventListener('mouseup', (e) => { |
