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Fixed brush preview snapping

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This commit is contained in:
unsettledgames
2020-09-17 16:11:00 +02:00
parent c27a355904
commit 37a532236b
3 changed files with 19 additions and 6 deletions
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13
js/_mouseEvents.js
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@ -157,16 +157,23 @@ window.addEventListener("mouseup", function (mouseEvent) {
}, false);
// TODO: Make it snap to the pixel grid
function setPreviewPosition(preview, cursor, size){
function setPreviewPosition(preview, size){
let toAdd = 0;
// This prevents the brush to be placed in the middle of pixels
if (size % 2 == 0) {
toAdd = 0.5;
}
preview.style.left = (
currentLayer.canvas.offsetLeft
+ Math.floor(cursor[0]/zoom) * zoom
- Math.floor(size / 2) * zoom
- Math.floor(size / 2) * zoom + toAdd
) + 'px';
preview.style.top = (
currentLayer.canvas.offsetTop
+ Math.floor(cursor[1]/zoom) * zoom
- Math.floor(size / 2) * zoom
- Math.floor(size / 2) * zoom + toAdd
) + 'px';
}