first commit

Track.gd

@@ -0,0 +1,33 @@
+extends PathFollow2D
+
+export (int) var threshold = 5  # Range to snap around axis direction, in degrees.
+
+func _ready():
+	set_unit_offset(0.0)
+
+func snap_rotation(r):
+	""" 
+	Snap rotation to multiples of 45°
+		Also snaps within a certain range of direction axis
+	"""
+	if r >= 0 - threshold and r <= 0 + threshold: # Right
+		r = 0
+	elif r >= 180 - threshold or r <= -180 + threshold: # Left
+		r = 180
+	elif r >= 90 - threshold and r <= 90 + threshold: # Down
+		r = 90
+	elif r >= -90 - threshold and r <= -90 + threshold: # Up
+		r = -90
+	elif r > 0 + threshold and r < 90 - threshold:
+		r = 45
+	elif r > 90 + threshold and r < 180 - threshold:
+		r = 135
+	elif r > -90 + threshold and r < 0 - threshold:
+		r = -45
+	elif r > -180 + threshold and r < -90 - threshold:
+		r = -135
+	return r
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(_delta):
+	set_rotation_degrees( snap_rotation(get_rotation_degrees()) )