Tetris Clone written in Godot, primarily for mobile devices
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891 B

extends Node
signal swipe_left
signal swipe_right
signal swipe_up
signal swipe_down
var swipe_start: Vector2
var swipe_done = false
const MAX_SWIPE_DISTANCE = 80
func _unhandled_input(event):
if event is InputEventScreenTouch:
if event.pressed:
swipe_done = false
swipe_start = event.get_position()
elif not swipe_done:
_interpret_swipe(event.get_position())
elif event is InputEventScreenDrag:
if not swipe_done:
_interpret_swipe(event.position)
func _interpret_swipe(swipe_end: Vector2):
var diff = swipe_end - swipe_start
if diff.length_squared() > MAX_SWIPE_DISTANCE * MAX_SWIPE_DISTANCE:
var normalized = diff.normalized()
if normalized.x > 0.5:
emit_signal("swipe_right")
elif normalized.x < -0.5:
emit_signal("swipe_left")
elif normalized.y > 0.5:
emit_signal("swipe_down")
else:
emit_signal("swipe_up")
swipe_done = true