tldraw/dist-esm/lib/tools/SelectTool/childStates/Rotating.mjs.map

A tiny little drawing editor.

{
  "version": 3,
  "sources": ["../../../../../src/lib/tools/SelectTool/childStates/Rotating.ts"],
  "sourcesContent": ["import {\n\tRotateCorner,\n\tStateNode,\n\tTLPointerEventInfo,\n\tTLRotationSnapshot,\n\tapplyRotationToSnapshotShapes,\n\tdegreesToRadians,\n\tgetRotationSnapshot,\n\tshortAngleDist,\n\tsnapAngle,\n} from '@tldraw/editor'\nimport { kickoutOccludedShapes } from '../selectHelpers'\nimport { CursorTypeMap } from './PointingResizeHandle'\n\nconst ONE_DEGREE = Math.PI / 180\n\nexport class Rotating extends StateNode {\n\tstatic override id = 'rotating'\n\n\tsnapshot = {} as TLRotationSnapshot\n\n\tinfo = {} as Extract<TLPointerEventInfo, { target: 'selection' }> & { onInteractionEnd?: string }\n\n\tmarkId = ''\n\n\toverride onEnter(info: TLPointerEventInfo & { target: 'selection'; onInteractionEnd?: string }) {\n\t\t// Store the event information\n\t\tthis.info = info\n\t\tthis.parent.setCurrentToolIdMask(info.onInteractionEnd)\n\n\t\tthis.markId = this.editor.markHistoryStoppingPoint('rotate start')\n\n\t\tconst snapshot = getRotationSnapshot({\n\t\t\teditor: this.editor,\n\t\t\tids: this.editor.getSelectedShapeIds(),\n\t\t})\n\t\tif (!snapshot) return this.parent.transition('idle', this.info)\n\t\tthis.snapshot = snapshot\n\n\t\t// Trigger a pointer move\n\t\tconst newSelectionRotation = this._getRotationFromPointerPosition({\n\t\t\tsnapToNearestDegree: false,\n\t\t})\n\n\t\tapplyRotationToSnapshotShapes({\n\t\t\teditor: this.editor,\n\t\t\tdelta: this._getRotationFromPointerPosition({ snapToNearestDegree: false }),\n\t\t\tsnapshot: this.snapshot,\n\t\t\tstage: 'start',\n\t\t})\n\n\t\t// Update cursor\n\t\tthis.editor.setCursor({\n\t\t\ttype: CursorTypeMap[this.info.handle as RotateCorner],\n\t\t\trotation: newSelectionRotation + this.snapshot.initialShapesRotation,\n\t\t})\n\t}\n\n\toverride onExit() {\n\t\tthis.editor.setCursor({ type: 'default', rotation: 0 })\n\t\tthis.parent.setCurrentToolIdMask(undefined)\n\n\t\tthis.snapshot = {} as TLRotationSnapshot\n\t}\n\n\toverride onPointerMove() {\n\t\tthis.update()\n\t}\n\n\toverride onKeyDown() {\n\t\tthis.update()\n\t}\n\n\toverride onKeyUp() {\n\t\tthis.update()\n\t}\n\n\toverride onPointerUp() {\n\t\tthis.complete()\n\t}\n\n\toverride onComplete() {\n\t\tthis.complete()\n\t}\n\n\toverride onCancel() {\n\t\tthis.cancel()\n\t}\n\n\t// ---\n\n\tprivate update() {\n\t\tconst newSelectionRotation = this._getRotationFromPointerPosition({\n\t\t\tsnapToNearestDegree: false,\n\t\t})\n\n\t\tapplyRotationToSnapshotShapes({\n\t\t\teditor: this.editor,\n\t\t\tdelta: newSelectionRotation,\n\t\t\tsnapshot: this.snapshot,\n\t\t\tstage: 'update',\n\t\t})\n\n\t\t// Update cursor\n\t\tthis.editor.setCursor({\n\t\t\ttype: CursorTypeMap[this.info.handle as RotateCorner],\n\t\t\trotation: newSelectionRotation + this.snapshot.initialShapesRotation,\n\t\t})\n\t}\n\n\tprivate cancel() {\n\t\tthis.editor.bailToMark(this.markId)\n\t\tif (this.info.onInteractionEnd) {\n\t\t\tthis.editor.setCurrentTool(this.info.onInteractionEnd, this.info)\n\t\t} else {\n\t\t\tthis.parent.transition('idle', this.info)\n\t\t}\n\t}\n\n\tprivate complete() {\n\t\tapplyRotationToSnapshotShapes({\n\t\t\teditor: this.editor,\n\t\t\tdelta: this._getRotationFromPointerPosition({ snapToNearestDegree: true }),\n\t\t\tsnapshot: this.snapshot,\n\t\t\tstage: 'end',\n\t\t})\n\t\tkickoutOccludedShapes(\n\t\t\tthis.editor,\n\t\t\tthis.snapshot.shapeSnapshots.map((s) => s.shape.id)\n\t\t)\n\t\tif (this.info.onInteractionEnd) {\n\t\t\tthis.editor.setCurrentTool(this.info.onInteractionEnd, this.info)\n\t\t} else {\n\t\t\tthis.parent.transition('idle', this.info)\n\t\t}\n\t}\n\n\t_getRotationFromPointerPosition({ snapToNearestDegree }: { snapToNearestDegree: boolean }) {\n\t\tconst selectionRotation = this.editor.getSelectionRotation()\n\t\tconst selectionBounds = this.editor.getSelectionRotatedPageBounds()\n\t\tconst {\n\t\t\tinputs: { shiftKey, currentPagePoint },\n\t\t} = this.editor\n\t\tconst { initialCursorAngle, initialShapesRotation } = this.snapshot\n\n\t\tif (!selectionBounds) return initialShapesRotation\n\n\t\tconst selectionPageCenter = selectionBounds.center\n\t\t\t.clone()\n\t\t\t.rotWith(selectionBounds.point, selectionRotation)\n\n\t\t// The delta is the difference between the current angle and the initial angle\n\t\tconst preSnapRotationDelta = selectionPageCenter.angle(currentPagePoint) - initialCursorAngle\n\t\tlet newSelectionRotation = initialShapesRotation + preSnapRotationDelta\n\n\t\tif (shiftKey) {\n\t\t\tnewSelectionRotation = snapAngle(newSelectionRotation, 24)\n\t\t} else if (snapToNearestDegree) {\n\t\t\tnewSelectionRotation = Math.round(newSelectionRotation / ONE_DEGREE) * ONE_DEGREE\n\n\t\t\tif (this.editor.getInstanceState().isCoarsePointer) {\n\t\t\t\tconst snappedToRightAngle = snapAngle(newSelectionRotation, 4)\n\t\t\t\tconst angleToRightAngle = shortAngleDist(newSelectionRotation, snappedToRightAngle)\n\t\t\t\tif (Math.abs(angleToRightAngle) < degreesToRadians(5)) {\n\t\t\t\t\tnewSelectionRotation = snappedToRightAngle\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn newSelectionRotation - initialShapesRotation\n\t}\n}\n"],
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