content: Remove leading underscore to delta in lesson 10

close #504

Author: NathanLovato

course/lesson-10-the-game-loop/lesson.tres

@@ -161,7 +161,7 @@ title = "Rotating a Character Continuously"
 goal = "Make the robot rotate slowly by adding to the [code]_process()[/code] function.
 
 A rotation speed of about [code]0.05[/code] each frame should do."
-starting_code = "func _process(_delta):
+starting_code = "func _process(delta):
 	"
 cursor_line = 0
 cursor_column = 0
@@ -181,7 +181,7 @@ goal = "Make the robot move in a large circle slowly by rotating it and simultan
 To do this, add the [code]rotate()[/code] and [code]move_local_x()[/code] functions to [code]_process()[/code].
 
 Use a rotation speed of [code]0.05[/code] radians per frame, and move the robot [code]5[/code] pixels per frame."
-starting_code = "func _process(_delta):
+starting_code = "func _process(delta):
 	"
 cursor_line = 0
 cursor_column = 0

course/lesson-10-the-game-loop/rotating-and-moving/RotateAndMoveSprite.gd

@@ -6,7 +6,7 @@ func _ready() -> void:
 
 
 # EXPORT move_and_rotate
-func _process(_delta):
+func _process(delta):
 	rotate(0.05)
 	move_local_x(5)
 # /EXPORT move_and_rotate

course/lesson-10-the-game-loop/rotating-and-moving/RotateAndMoveSprite.live-editor/scripts/RotateAndMoveSprite.gd.tres

@@ -15,7 +15,7 @@ func _ready() -> void:
 
 
 # EXPORT move_and_rotate
-func _process(_delta):
+func _process(delta):
 	rotate(0.05)
 	move_local_x(5)
 # /EXPORT move_and_rotate

course/lesson-10-the-game-loop/rotating-and-moving/RotateAndMoveSprite.live-editor/slices/RotateAndMoveSprite.move_and_rotate.slice.tres

@@ -17,4 +17,4 @@ start = 7
 end = 11
 lines_before = [ "extends Node2D", "", "", "func _ready() -> void:", "	set_process(false)", "", "" ]
 lines_after = [ "", "", "func _run() -> void:", "	reset()", "	set_process(true)", "	yield(get_tree().create_timer(1.0), \"timeout\")", "	Events.emit_signal(\"practice_run_completed\")", "", "", "func reset() -> void:", "	rotation = 0.0", "	position = Vector2(0, 0)", "	set_process(false)", "" ]
-lines_editable = [ "func _process(_delta):", "	rotate(0.05)", "	move_local_x(5)" ]
+lines_editable = [ "func _process(delta):", "	rotate(0.05)", "	move_local_x(5)" ]

course/lesson-10-the-game-loop/rotating-sprite/RotatingSprite.gd

@@ -6,7 +6,7 @@ func _ready() -> void:
 
 
 # EXPORT move_and_rotate
-func _process(_delta):
+func _process(delta):
 	rotate(0.05)
 # /EXPORT move_and_rotate
 

course/lesson-10-the-game-loop/rotating-sprite/RotatingSprite.live-editor/scripts/RotatingSprite.gd.tres

@@ -15,7 +15,7 @@ func _ready() -> void:
 
 
 # EXPORT move_and_rotate
-func _process(_delta):
+func _process(delta):
 	rotate(0.05)
 # /EXPORT move_and_rotate
 

course/lesson-10-the-game-loop/rotating-sprite/RotatingSprite.live-editor/slices/RotatingSprite.move_and_rotate.slice.tres

@@ -17,4 +17,4 @@ start = 7
 end = 10
 lines_before = [ "extends Node2D", "", "", "func _ready() -> void:", "	set_process(false)", "", "" ]
 lines_after = [ "", "", "func _run() -> void:", "	reset()", "	set_process(true)", "	yield(get_tree().create_timer(1.0), \"timeout\")", "	Events.emit_signal(\"practice_run_completed\")", "", "", "func reset() -> void:", "	rotation = 0.0", "	set_process(false)", "" ]
-lines_editable = [ "func _process(_delta):", "	rotate(0.05)" ]
+lines_editable = [ "func _process(delta):", "	rotate(0.05)" ]