Initial commit

joystick/previews/gitpreview.png.import

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joystick/textures/joystick_base_outline.png.import

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joystick/textures/joystick_tip.png.import

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joystick/textures/joystick_tip_arrows.png.import

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joystick/virtual_joystick.gd

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+class_name VirtualJoystick
+
+extends Control
+
+## A simple virtual joystick for touchscreens, with useful options.
+## Github: https://github.com/MarcoFazioRandom/Virtual-Joystick-Godot
+
+# EXPORTED VARIABLE
+
+## The color of the button when the joystick is pressed.
+@export var pressed_color := Color.GRAY
+
+## If the input is inside this range, the output is zero.
+@export_range(0, 200, 1) var deadzone_size : float = 10
+
+## The max distance the tip can reach.
+@export_range(0, 500, 1) var clampzone_size : float = 75
+
+enum Joystick_mode {
+	FIXED, ## The joystick doesn't move.
+	DYNAMIC, ## Every time the joystick area is pressed, the joystick position is set on the touched position.
+	FOLLOWING ## When the finger moves outside the joystick area, the joystick will follow it.
+}
+
+## 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 Visibility_mode {
+	ALWAYS, ## Always visible
+	TOUCHSCREEN_ONLY ## Visible on touch screens only
+}
+
+## If the joystick is always visible, or is shown only if there is a touchscreen
+@export var visibility_mode := Visibility_mode.ALWAYS
+
+## If true, the joystick uses Input Actions (Project -> Project Settings -> Input Map)
+@export var use_input_actions := true
+
+@export var action_left := "ui_left"
+@export var action_right := "ui_right"
+@export var action_up := "ui_up"
+@export var action_down := "ui_down"
+
+# PUBLIC VARIABLES
+
+## If the joystick is receiving inputs.
+var is_pressed := false
+
+# The joystick output.
+var output := Vector2.ZERO
+
+# PRIVATE VARIABLES
+
+var _touch_index : int = -1
+
+@onready var _base := $Base
+@onready var _tip := $Base/Tip
+
+@onready var _base_default_position : Vector2 = _base.position
+@onready var _tip_default_position : Vector2 = _tip.position
+
+@onready var _default_color : Color = _tip.modulate
+
+# FUNCTIONS
+
+func _ready() -> void:
+	if not DisplayServer.is_touchscreen_available() and visibility_mode == Visibility_mode.TOUCHSCREEN_ONLY:
+		hide()
+
+func _input(event: InputEvent) -> void:
+	if event is InputEventScreenTouch:
+		if event.pressed:
+			if _is_point_inside_joystick_area(event.position) and _touch_index == -1:
+				if joystick_mode == Joystick_mode.DYNAMIC or joystick_mode == Joystick_mode.FOLLOWING or (joystick_mode == Joystick_mode.FIXED and _is_point_inside_base(event.position)):
+					if joystick_mode == Joystick_mode.DYNAMIC or joystick_mode == Joystick_mode.FOLLOWING:
+						_move_base(event.position)
+					_touch_index = event.index
+					_tip.modulate = pressed_color
+					_update_joystick(event.position)
+					get_viewport().set_input_as_handled()
+		elif event.index == _touch_index:
+			_reset()
+			get_viewport().set_input_as_handled()
+	elif event is InputEventScreenDrag:
+		if event.index == _touch_index:
+			_update_joystick(event.position)
+			get_viewport().set_input_as_handled()
+
+func _move_base(new_position: Vector2) -> void:
+	_base.global_position = new_position - _base.pivot_offset * get_global_transform_with_canvas().get_scale()
+
+func _move_tip(new_position: Vector2) -> void:
+	_tip.global_position = new_position - _tip.pivot_offset * _base.get_global_transform_with_canvas().get_scale()
+
+func _is_point_inside_joystick_area(point: Vector2) -> bool:
+	var x: bool = point.x >= global_position.x and point.x <= global_position.x + (size.x * get_global_transform_with_canvas().get_scale().x)
+	var y: bool = point.y >= global_position.y and point.y <= global_position.y + (size.y * get_global_transform_with_canvas().get_scale().y)
+	return x and y
+
+func _get_base_radius() -> Vector2:
+	return _base.size * _base.get_global_transform_with_canvas().get_scale() / 2
+
+func _is_point_inside_base(point: Vector2) -> bool:
+	var _base_radius = _get_base_radius()
+	var center : Vector2 = _base.global_position + _base_radius
+	var vector : Vector2 = point - center
+	if vector.length_squared() <= _base_radius.x * _base_radius.x:
+		return true
+	else:
+		return false
+
+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
+	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)
+	else:
+		is_pressed = false
+		output = Vector2.ZERO
+	
+	if use_input_actions:
+		if output.x > 0:
+			if Input.is_action_pressed(action_left):
+				Input.action_release(action_left)
+			_update_input_action(action_right, output.x)
+		else:
+			if Input.is_action_pressed(action_right):
+				Input.action_release(action_right)
+			_update_input_action(action_left, -output.x)
+
+		if output.y > 0:
+			if Input.is_action_pressed(action_up):
+				Input.action_release(action_up)
+			_update_input_action(action_down, output.y)
+		else:
+			if Input.is_action_pressed(action_down):
+				Input.action_release(action_down)
+			_update_input_action(action_up, -output.y)
+
+func _update_input_action(action:String, value:float):
+	if value > InputMap.action_get_deadzone(action):
+		Input.action_press(action, value)
+	elif Input.is_action_pressed(action):
+		Input.action_release(action)
+
+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
+	if use_input_actions:
+		for action in [action_left, action_right, action_down, action_up]:
+			if Input.is_action_pressed(action) or Input.is_action_just_pressed(action):
+				Input.action_release(action)

joystick/virtual_joystick.tscn

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+
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+
+[node name="Virtual Joystick" type="Control"]
+layout_mode = 3
+anchors_preset = 2
+anchor_top = 1.0
+anchor_bottom = 1.0
+offset_top = -308.0
+offset_right = 300.0
+offset_bottom = -8.0
+grow_vertical = 0
+script = ExtResource("1_8x4dy")
+
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+offset_top = -100.0
+offset_right = 100.0
+offset_bottom = 100.0
+grow_horizontal = 2
+grow_vertical = 2
+pivot_offset = Vector2(100, 100)
+mouse_force_pass_scroll_events = false
+texture = ExtResource("2_jhjs2")
+stretch_mode = 5
+
+[node name="Tip" type="TextureRect" parent="Base"]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -50.0
+offset_top = -50.0
+offset_right = 50.0
+offset_bottom = 50.0
+grow_horizontal = 2
+grow_vertical = 2
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