Fixed critical bugs

game/entities/player.gd

@@ -10,7 +10,7 @@ var position : Vector2:
 	get:
 		return ship.position
 
-
+  
 func _physics_process(delta: float) -> void:
 	var input_direction := Input.get_vector("move_left", "move_right", "move_up", "move_down")
 	ship.accelerate(input_direction, delta)

game/entities/ship.gd

@@ -8,11 +8,12 @@ extends CharacterBody2D
 @export var size : Vector2:
 	set(value):
 		size = value
-		if sprite.texture:
+		if sprite and sprite.texture:
 			sprite.texture.size = value
-		colision.shape.radius = 0.9 * minf(size.x, size.y)/2
-		colision.shape.height = 0.9 * maxf(size.x, size.y)
-		colision.rotation = 0.0 if size.x < size.y else PI/2
+		if colision:
+			colision.shape.radius = 0.9 * minf(size.x, size.y)/2
+			colision.shape.height = 0.9 * maxf(size.x, size.y)
+			colision.rotation = 0.0 if size.x < size.y else PI/2
 	get:
 		return size
 

game/passage.gd

@@ -3,5 +3,5 @@ extends Node
 
 func _ready() -> void:
 	var player : Node = load("res://game/entities/player.tscn").instantiate()
-	player.position = Vector2(100, 100)
 	add_child(player)
+	player.position = Vector2(100, 100)