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xoor-io/d3-canvas-brush-zoom-08.js

Created May 11, 2018 15:06
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d3-canvas-brush-zoom-08
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d3-canvas-brush-zoom-08.js
let xPosition = brushStartPoint.x + distance * scale * xCorMulti;
const oldDistance = distance;
if (xPosition > width) {
distance = (width - brushStartPoint.x) / scale;
xPosition = width;
} else if (xPosition < 0) {
distance = brushStartPoint.x / scale;
xPosition = 0;
}
if (oldDistance !== distance) {
distance *= (oldDistance < 0) ? -1 : 1;
yPosition = brushStartPoint.y + distance;
}
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