Made buildings spawn randomly

building.gd

@@ -1,16 +1,17 @@
 class_name Building extends Node2D
 
 var location : Vector2i # x is the angle, y is the height in the grid
-var dimension : Vector2i = Vector2.ONE # same as above
+var dimension : Vector2i = Vector2(2, 1) # same as above
 @onready var grid : Grid = get_parent()
 
 # make sure location is set before adding a building to the scene tree
 # also make sure that the buildings are instantiated as children of the grid
 func _ready() -> void:
+	assert(grid != null)
 	var angle = location.x * TAU / grid.num_collumns; # currently assumes anchor is bottom left
 	var height = grid.ground_radius + location.y * grid.cell_height;
 	position = height * Vector2.from_angle(angle)
-	print(angle, "   ", height, "   ", position)
+	grid.buildings.append(self)
 
 func overlaps(other : Building):
 	# heights don't overlap
@@ -20,7 +21,7 @@ func overlaps(other : Building):
 	# angles overlap. We can now assume heights overlap
 	var relative_other_loc = (other.location.x - location.x + grid.num_collumns) % grid.num_collumns
 	if dimension.x > relative_other_loc: return true
-	if relative_other_loc + other.dimension > grid.num_collumns: return true
+	if relative_other_loc + other.dimension.x > grid.num_collumns: return true
 	
 	# If we get here, angles do not overlap
 	return false

building.tscn

@@ -18,6 +18,6 @@ script = ExtResource("1_5j34s")
 [node name="Sprite2D" type="Sprite2D" parent="."]
 self_modulate = Color(0.1764706, 0, 0.003921569, 0.003921569)
 material = SubResource("ShaderMaterial_qnfc1")
-scale = Vector2(7, 7)
+scale = Vector2(25, 25)
 texture = ExtResource("2_2yopf")
 script = ExtResource("4_qnfc1")

building_generator.gd

@@ -0,0 +1 @@
+extends Node

building_generator.gd.uid

@@ -0,0 +1 @@
+uid://colvx6wq0e8n7

grid.gd

@@ -20,27 +20,24 @@ func _draw() -> void:
 
 func add_building_to_collumn(building : Building, collumn : int):
 	# find the height of the top building in the buildings list:
-	building.location = Vector2(collumn, 0)
-	var height = 0
-
-	# TODO: support other dimensions for buildings
+	building.location = Vector2(collumn, -1)
+	var spot_clear : bool = false
+	while(!spot_clear):
+		building.location.y += 1
+		spot_clear = true
+		for other in buildings:
+			if other.overlaps(building):
+				spot_clear = false
 	
-	# add the new building one higher than the previous
-	height += 1
-	building.location = Vector2i(collumn, height);
+	add_child(building)
 
 # for testing
 func _ready() -> void:
 	var packed : PackedScene = preload("res://building.tscn")
 	
-	var test_building = packed.instantiate()
-	test_building.location = Vector2(45, 0)
-	add_child(test_building)
 	
-	test_building = packed.instantiate()
-	test_building.location = Vector2(44, 0)
-	add_child(test_building)
 	
-	test_building = packed.instantiate()
-	test_building.location = Vector2(45, 1)
-	add_child(test_building)
+	for i in range(100):
+		var test_building = packed.instantiate()
+		var collumn = randi() % 60
+		add_building_to_collumn(test_building, collumn)

main.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=4 format=3 uid="uid://cxo6bq26huau7"]
+[gd_scene load_steps=5 format=3 uid="uid://cxo6bq26huau7"]
 
 [ext_resource type="PackedScene" uid="uid://cmaovvr15b3qk" path="res://player.tscn" id="2_1bvp3"]
 [ext_resource type="PackedScene" uid="uid://chu67ci7sl488" path="res://ghost.tscn" id="3_h2yge"]
 [ext_resource type="PackedScene" uid="uid://jjoyj1ldafkf" path="res://earth.tscn" id="3_lquwl"]
+[ext_resource type="Script" uid="uid://colvx6wq0e8n7" path="res://building_generator.gd" id="4_1bvp3"]
 
 [node name="main" type="Node2D"]
 
@@ -14,3 +15,6 @@ scale = Vector2(3, 3)
 
 [node name="Ghost" parent="." instance=ExtResource("3_h2yge")]
 position = Vector2(0, -3200)
+
+[node name="Building Generator" type="Node" parent="."]
+script = ExtResource("4_1bvp3")