Make GetPrefabAt use Vector3

Author: liamlutton

Runtime/Code/VoxelWorld/VoxelWorld.cs

@@ -368,7 +368,7 @@ public List<GameObject> GetChildGameObjects() {
         return children;
     }
 
-    public GameObject GetPrefabAt(Vector3Int pos) {
+    public GameObject GetPrefabAt(Vector3 pos) {
         Vector3Int chunkKey = WorldPosToChunkKey(pos);
         chunks.TryGetValue(chunkKey, out Chunk chunk);
         if (chunk == null) {

Runtime/Code/VoxelWorld/VoxelWorldChunk.cs

@@ -149,11 +149,11 @@ private int CountAirVoxelsAround(VoxelWorld world, Vector3Int checkPos) {
             return count;
         }
 
-        public GameObject GetPrefabAt(Vector3Int worldPos) {
+        public GameObject GetPrefabAt(Vector3 worldPos) {
             if (prefabObjects == null) {
                 return null;
             }
-            Vector3Int localKey = WorldPosToLocalPos(worldPos);
+            Vector3Int localKey = WorldPosToLocalPos(Vector3Int.FloorToInt(worldPos));
 
             if (prefabObjects.TryGetValue(localKey, out var prefab)) {
                 return prefab.Item1;