diff --git a/package/src/composables/useZoomPanHelper.ts b/package/src/composables/useZoomPanHelper.ts index e2d0c2e6..33fe2955 100644 --- a/package/src/composables/useZoomPanHelper.ts +++ b/package/src/composables/useZoomPanHelper.ts @@ -1,7 +1,7 @@ import { zoomIdentity } from 'd3-zoom' import useVueFlow from './useVueFlow' import useWindow from './useWindow' -import { getRectOfNodes, pointToRendererPoint, getTransformForBounds } from '~/utils' +import { getRectOfNodes, pointToRendererPoint, getTransformForBounds, clampPosition } from '~/utils' import { GraphNode, Store, ViewportFuncs, D3Selection } from '~/types' const DEFAULT_PADDING = 0.1 @@ -57,7 +57,12 @@ export default (store: Store = useVueFlow().store): ViewportFuncs => { } const transformViewport = (x: number, y: number, zoom: number, duration?: number) => { - const nextTransform = zoomIdentity.translate(x, y).scale(zoom) + const { x: clampedX, y: clampedY } = clampPosition( + { x: store.viewport.x - x, y: store.viewport.y - y }, + store.translateExtent, + ) + + const nextTransform = zoomIdentity.translate(-clampedX, -clampedY).scale(zoom) if (store.d3Selection && store.d3Zoom) { store.d3Zoom.transform(transition(store.d3Selection, duration), nextTransform) }