mirror of
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19 lines
495 B
JavaScript
19 lines
495 B
JavaScript
//get cursor position relative to canvas
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function getCursorPosition(e) {
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var x;
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var y;
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if (e.pageX != undefined && e.pageY != undefined) {
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x = e.pageX;
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y = e.pageY;
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}
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else {
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x = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
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y = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
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}
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x -= canvas.offsetLeft;
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y -= canvas.offsetTop;
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return [Math.round(x), Math.round(y)];
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} |