{
  "version": 3,
  "sources": ["../../../../../src/lib/tools/HandTool/childStates/Dragging.ts"],
  "sourcesContent": ["import { StateNode, Vec } from '@tldraw/editor'\n\nexport class Dragging extends StateNode {\n\tstatic override id = 'dragging'\n\tstatic override trackPerformance = true\n\n\tinitialCamera = new Vec()\n\n\toverride onEnter() {\n\t\tthis.initialCamera = Vec.From(this.editor.getCamera())\n\t\tthis.update()\n\t}\n\n\toverride onPointerMove() {\n\t\tthis.update()\n\t}\n\n\toverride onPointerDown() {\n\t\t// A second touch resets the input origin to the new pointer, so continuing\n\t\t// the pan would snap the camera. Yield before the pinch begins; the pan\n\t\t// does not resume when the pinch ends.\n\t\tthis.parent.transition('idle')\n\t}\n\n\toverride onPointerUp() {\n\t\tthis.complete()\n\t}\n\n\toverride onInterrupt() {\n\t\t// A pinch interrupts when it starts (without a preceding pointer_down on\n\t\t// some inputs, like Safari trackpads), so end the pan here too.\n\t\tthis.parent.transition('idle')\n\t}\n\n\toverride onCancel() {\n\t\tthis.parent.transition('idle')\n\t}\n\n\toverride onComplete() {\n\t\tthis.complete()\n\t}\n\n\tprivate update() {\n\t\tconst { initialCamera, editor } = this\n\t\tconst currentScreenPoint = editor.inputs.getCurrentScreenPoint()\n\t\tconst originScreenPoint = editor.inputs.getOriginScreenPoint()\n\n\t\tconst delta = Vec.Sub(currentScreenPoint, originScreenPoint).div(editor.getZoomLevel())\n\t\tif (delta.len2() === 0) return\n\t\teditor.setCamera(initialCamera.clone().add(delta))\n\t}\n\n\tprivate complete() {\n\t\tconst { editor } = this\n\t\tconst pointerVelocity = editor.inputs.getPointerVelocity()\n\n\t\tconst velocityAtPointerUp = Math.min(pointerVelocity.len(), 2)\n\n\t\tif (velocityAtPointerUp > 0.1) {\n\t\t\tthis.editor.slideCamera({\n\t\t\t\tspeed: velocityAtPointerUp,\n\t\t\t\tdirection: { x: pointerVelocity.x, y: pointerVelocity.y, z: 0 },\n\t\t\t})\n\t\t}\n\n\t\tthis.parent.transition('idle')\n\t}\n}\n"],
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