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feat: made piece center move under cursor on dragStart #77

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feat: made piece center move under cursor on dragStart #77

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1d57fcd
feat: made piece center move under cursor on dragStart
pushkjn Oct 10, 2022
3006f61
fix: fixed bug with spare pieces
pushkjn Oct 10, 2022
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30 changes: 29 additions & 1 deletion src/Chessboard/CustomDragLayer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,10 @@ class CustomDragLayer extends Component {
x: PropTypes.number.isRequired,
y: PropTypes.number.isRequired
}),
initialOffset: PropTypes.shape({
x: PropTypes.number.isRequired,
y: PropTypes.number.isRequired
}),
isDragging: PropTypes.bool.isRequired,
width: PropTypes.number,
pieces: PropTypes.object,
Expand All @@ -26,14 +30,37 @@ class CustomDragLayer extends Component {
item,
id,
currentOffset,
initialOffset,
wasPieceTouched,
pieces,
sourceSquare
} = this.props;

let dependOnCursorPosition = currentOffset ? {
x: currentOffset.x,
y: currentOffset.y
}
: null

if (item && currentOffset && initialOffset) {
const squareElement = document.querySelector(`[data-squareid=${item.source}]`)
if (squareElement) {
const squareElementDOMRect = squareElement.getBoundingClientRect()
const squareWidth = width / 8

let dx = (squareWidth / 2) - (squareElementDOMRect.right - initialOffset.x)
let dy = (squareWidth / 2) - (squareElementDOMRect.bottom - initialOffset.y)

dependOnCursorPosition = {
x: currentOffset.x + dx,
y: currentOffset.y + dy
}
}
}

return isDragging && item.board === id ? (
<div style={layerStyles}>
<div style={getItemStyle(currentOffset, wasPieceTouched)}>
<div style={getItemStyle(dependOnCursorPosition, wasPieceTouched)}>
{renderChessPiece({
width,
pieces,
Expand All @@ -52,6 +79,7 @@ function collect(monitor) {
return {
item: monitor.getItem(),
currentOffset: monitor.getSourceClientOffset(),
initialOffset: monitor.getInitialClientOffset(),
isDragging: monitor.isDragging()
};
}
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