44 lines
1.0 KiB
JavaScript
44 lines
1.0 KiB
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 [x,y];
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}
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// TODO: apply the function below to every getCursorPosition call
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// TODO: FIX THIS BELOW
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//get cursor position relative to canvas
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function getCursorPositionRelative(e, layer) {
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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 -= layer.canvas.offsetLeft;
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y -= layer.canvas.offsetTop;
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return [x,y];
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}
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