slab holes

2026-02-12 10:41:37 +09:00
parent ae3af4318e
commit 29e7fa09ef
6 changed files with 224 additions and 5 deletions
@@ -123,6 +123,25 @@ export function generateSlabGeometry(slabNode: SlabNode): THREE.BufferGeometry {
  }
  shape.closePath()

+  // Add holes to the shape
+  if (slabNode.holes && slabNode.holes.length > 0) {
+    for (const holePolygon of slabNode.holes) {
+      if (holePolygon.length < 3) continue
+
+      const holePath = new THREE.Path()
+      const holeFirstPt = holePolygon[0]!
+      holePath.moveTo(holeFirstPt[0], -holeFirstPt[1])
+
+      for (let i = 1; i < holePolygon.length; i++) {
+        const pt = holePolygon[i]!
+        holePath.lineTo(pt[0], -pt[1])
+      }
+      holePath.closePath()
+
+      shape.holes.push(holePath)
+    }
+  }
+
  // Extrude the shape by elevation
  const geometry = new THREE.ExtrudeGeometry(shape, {
    depth: elevation,