Add some comments and minor correctness changes

1 files changed, 8 insertions, 3 deletions

diff --git a/scripts/basketball.gd b/scripts/basketball.gd
index 857e991..e0c6b3b 100644
--- a/scripts/basketball.gd
+++ b/scripts/basketball.gd
@@ -5,14 +5,16 @@ export var move_speed = 60
 export var power_magnitude = 10
 export var drag_radius = 30
 
-var start_position
+var start_position: Vector2
 var is_dragging = false
 var waiting_for_shoot = true
-var mouse_over_ball
+var mouse_over_ball = false
 
 func _ready():
 	start_position = position
 
+# This function toggles between dragging the ball for a shot and allowing the physics engine to move
+# the ball, setting any necessary properties along the way.
 func toggle_mode():
 	if waiting_for_shoot:
 		waiting_for_shoot = false
@@ -51,12 +53,15 @@ func _input(event):
 		$GhostSprite.rotation = $Sprite.rotation
 	if is_dragging and event is InputEventMouseMotion:
 		$Sprite.position = event.position - start_position
+
+		# If the mouse pointer is beyond a certain radius, don't move the sprite any further from
+		# the start position while still keeping it at the same angle as the mouse pointer.
 		var hypot = sqrt(pow($Sprite.position.x, 2) + pow($Sprite.position.y, 2))
 		if hypot > drag_radius:
 			var angle = atan2($Sprite.position.y, $Sprite.position.x)
 			$Sprite.position = Vector2(cos(angle), sin(angle)) * drag_radius
 	if event.is_action_released("shoot"):
-		if !waiting_for_shoot || is_dragging:
+		if !waiting_for_shoot or is_dragging:
 			toggle_mode()
 
 func _on_InnerShape_mouse_entered():