Add collisions for trees

Scenes/Maps/MapTest.tscn

@@ -1,11 +1,14 @@
-[gd_scene load_steps=5 format=2]
+[gd_scene load_steps=6 format=2]
 
 [ext_resource path="res://OpMon-Data/Tileset/tileset.png" type="Texture" id=1]
 [ext_resource path="res://Scenes/Interactable/NPC.tscn" type="PackedScene" id=2]
 
 [sub_resource type="ConvexPolygonShape2D" id=5]
 points = PoolVector2Array( 80, 48, 0, 48, 0, 0, 80, 0 )
 
+[sub_resource type="ConvexPolygonShape2D" id=6]
+points = PoolVector2Array( 32, 48, 0, 48, 0, 0, 32, 0 )
+
 [sub_resource type="TileSet" id=4]
 0/name = "tileset.png 0"
 0/texture = ExtResource( 1 )
@@ -66,9 +69,16 @@ points = PoolVector2Array( 80, 48, 0, 48, 0, 0, 80, 0 )
 3/navigation_offset = Vector2( 0, 0 )
 3/shape_offset = Vector2( 0, 0 )
 3/shape_transform = Transform2D( 1, 0, 0, 1, 0, 0 )
+3/shape = SubResource( 6 )
 3/shape_one_way = false
-3/shape_one_way_margin = 0.0
-3/shapes = [  ]
+3/shape_one_way_margin = 1.0
+3/shapes = [ {
+"autotile_coord": Vector2( 0, 0 ),
+"one_way": false,
+"one_way_margin": 1.0,
+"shape": SubResource( 6 ),
+"shape_transform": Transform2D( 1, 0, 0, 1, 0, 0 )
+} ]
 3/z_index = 0
 
 [node name="MapTest" type="YSort"]