Add the new game mechanism

Use the start position node to spawn the player.

Main.gd

@@ -4,9 +4,14 @@ export (PackedScene) var Mob
 
 var score = 0
 
+func new_game():
+	score = 0
+	$Player.spawn($StartPositon.position)
+	$StartTimer.start()
+
 func _ready():
 	randomize() # Plant seed for random number generation
-	$StartTimer.start()
+	new_game() # Remove when HUD implemented
 
 func _on_StartTimer_timeout():
 	$MobTimer.start()

Player.gd

@@ -5,8 +5,8 @@ signal hit
 export var speed = 400 # pixel / sec
 var screen
 
-func spawn():
-	position = (screen.position + screen.end) / 2
+func spawn(atPos):
+	position = atPos
 	show()
 	$CollisionShape2D.disabled = false