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add stickiness and directional inputs #100

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add stickiness and directional inputs #100

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71 changes: 53 additions & 18 deletions addons/virtual_joystick/virtual_joystick.gd
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,21 @@ enum Joystick_mode {
## If the joystick stays in the same position or appears on the touched position when touch is started
@export var joystick_mode := Joystick_mode.FIXED

enum Joystick_stickiness {
NO_STICKINESS, ## The joystick will reset its position on touch release.
STICKY, ## The joystick will stick to the last position.
}

@export var stickiness := Joystick_stickiness.NO_STICKINESS

enum Joystick_directions {
ALL, ## The joystick can move in all directions.
HORIZONTAL, ## The joystick can only move horizontally.
VERTICAL ## The joystick can only move vertically.
}

@export var directions := Joystick_directions.ALL

enum Visibility_mode {
ALWAYS, ## Always visible
TOUCHSCREEN_ONLY, ## Visible on touch screens only
Expand Down Expand Up @@ -76,8 +91,6 @@ func _ready() -> void:
if visibility_mode == Visibility_mode.WHEN_TOUCHED:
hide()

_reset()

func _input(event: InputEvent) -> void:
if event is InputEventScreenTouch:
if event.pressed:
Expand Down Expand Up @@ -128,13 +141,23 @@ func _update_joystick(touch_position: Vector2) -> void:
var _base_radius = _get_base_radius()
var center : Vector2 = _base.global_position + _base_radius
var vector : Vector2 = touch_position - center

match directions:
Joystick_directions.HORIZONTAL:
vector.y = 0
Joystick_directions.VERTICAL:
vector.x = 0

vector = vector.limit_length(clampzone_size)

if joystick_mode == Joystick_mode.FOLLOWING and touch_position.distance_to(center) > clampzone_size:
_move_base(touch_position - vector)



_move_tip(center + vector)


if vector.length_squared() > deadzone_size * deadzone_size:
is_pressed = true
output = (vector - (vector.normalized() * deadzone_size)) / (clampzone_size - deadzone_size)
Expand All @@ -144,33 +167,45 @@ func _update_joystick(touch_position: Vector2) -> void:

if use_input_actions:
# Release actions
if output.x >= 0 and Input.is_action_pressed(action_left):
if not directions == Joystick_directions.VERTICAL and output.x >= 0 and Input.is_action_pressed(action_left):
Input.action_release(action_left)
if output.x <= 0 and Input.is_action_pressed(action_right):
if not directions == Joystick_directions.VERTICAL and output.x <= 0 and Input.is_action_pressed(action_right):
Input.action_release(action_right)
if output.y >= 0 and Input.is_action_pressed(action_up):
if not directions == Joystick_directions.HORIZONTAL and output.y >= 0 and Input.is_action_pressed(action_up):
Input.action_release(action_up)
if output.y <= 0 and Input.is_action_pressed(action_down):
if not directions == Joystick_directions.HORIZONTAL and output.y <= 0 and Input.is_action_pressed(action_down):
Input.action_release(action_down)
# Press actions
if output.x < 0:
if not directions == Joystick_directions.VERTICAL and output.x < 0:
Input.action_press(action_left, -output.x)
if output.x > 0:
if not directions == Joystick_directions.VERTICAL and output.x > 0:
Input.action_press(action_right, output.x)
if output.y < 0:
if not directions == Joystick_directions.HORIZONTAL and output.y < 0:
Input.action_press(action_up, -output.y)
if output.y > 0:
if not directions == Joystick_directions.HORIZONTAL and output.y > 0:
Input.action_press(action_down, output.y)

func _reset():
is_pressed = false
output = Vector2.ZERO
_touch_index = -1
_tip.modulate = _default_color
_base.position = _base_default_position
_tip.position = _tip_default_position
# Release actions
if use_input_actions:
for action in [action_left, action_right, action_down, action_up]:
if Input.is_action_pressed(action):
Input.action_release(action)
if stickiness == Joystick_stickiness.NO_STICKINESS:
# Reset positions
_move_base(_base_default_position)
_move_tip(_tip_default_position)

output = Vector2.ZERO
_base.position = _base_default_position
_tip.position = _tip_default_position
# Release actions

if use_input_actions and stickiness == Joystick_stickiness.NO_STICKINESS:
if not directions == Joystick_directions.HORIZONTAL:
for action in [action_down, action_up]:
if Input.is_action_pressed(action):
Input.action_release(action)
if not directions == Joystick_directions.VERTICAL:
for action in [action_left, action_right]:
if Input.is_action_pressed(action):
Input.action_release(action)