Fix stair opening previews and slab cutouts

2026-06-07 00:46:51 -04:00
parent 21b79c0d62
commit 03f57b1f4f
21 changed files with 1766 additions and 195 deletions
@@ -0,0 +1,43 @@
+import { describe, expect, test } from 'bun:test'
+import { pointInPolygon2D, SlabNode } from '@pascal-app/core'
+import { slabDefinition } from '../definition'
+
+function getHeightHandlePosition(slab: SlabNode) {
+  const handles =
+    typeof slabDefinition.handles === 'function'
+      ? slabDefinition.handles(slab)
+      : (slabDefinition.handles ?? [])
+  const heightHandle = handles.find(
+    (handle) => handle.kind === 'linear-resize' && handle.axis === 'y',
+  )
+  if (!(heightHandle && heightHandle.kind === 'linear-resize')) {
+    throw new Error('Missing slab height handle')
+  }
+  return heightHandle.placement.position(slab, {} as never)
+}
+
+describe('slabDefinition handles', () => {
+  test('keeps the height handle over solid slab area when the center is a hole', () => {
+    const slab = SlabNode.parse({
+      polygon: [
+        [0, 0],
+        [4, 0],
+        [4, 4],
+        [0, 4],
+      ],
+      holes: [
+        [
+          [1, 1],
+          [3, 1],
+          [3, 3],
+          [1, 3],
+        ],
+      ],
+    })
+
+    const [x, , z] = getHeightHandlePosition(slab)
+
+    expect(pointInPolygon2D([x, z], slab.polygon, { includeBoundary: false })).toBe(true)
+    expect(pointInPolygon2D([x, z], slab.holes[0]!, { includeBoundary: true })).toBe(false)
+  })
+})