93 lines
2.6 KiB
GDScript3
93 lines
2.6 KiB
GDScript3
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extends Control
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@export var min_zoom: float = 0.3
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@export var max_zoom: float = 3.0
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@onready var content: Node2D = $MapContent
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@onready var open_button: IconButton = get_node("../MapButton")
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@onready var recenter_button: IconButton = $RecenterButton
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@onready var close_button: IconButton = $CloseButton
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@onready var fleet: Node2D = get_node("../../Fleet")
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var touches: Dictionary = {}
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var pinch_active: bool = false
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var pinch_start_distance: float = 0.0
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var pinch_start_zoom: float = 1.0
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func _ready() -> void:
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open_button.pressed.connect(open_map)
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recenter_button.pressed.connect(recenter_view)
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close_button.pressed.connect(close_map)
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func open_map() -> void:
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visible = true
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open_button.visible = false
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recenter_view()
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func close_map() -> void:
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visible = false
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open_button.visible = true
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touches.clear()
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pinch_active = false
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func recenter_view() -> void:
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var fleet_local: Vector2 = fleet.get_centroid() * content.WORLD_TO_LOCAL
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var viewport_center: Vector2 = get_viewport_rect().size / 2.0
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content.position = viewport_center - fleet_local * content.scale.x
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func _input(event: InputEvent) -> void:
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if not visible:
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return
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if event is InputEventScreenTouch:
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_handle_touch(event)
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get_viewport().set_input_as_handled()
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elif event is InputEventScreenDrag:
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_handle_drag(event)
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get_viewport().set_input_as_handled()
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elif event is InputEventMagnifyGesture:
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_handle_magnify(event)
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get_viewport().set_input_as_handled()
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func _handle_touch(event: InputEventScreenTouch) -> void:
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if event.pressed:
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touches[event.index] = event.position
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if touches.size() == 2:
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pinch_active = true
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var positions: Array = touches.values()
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pinch_start_distance = positions[0].distance_to(positions[1])
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pinch_start_zoom = content.scale.x
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else:
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touches.erase(event.index)
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if touches.size() < 2:
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pinch_active = false
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func _handle_drag(event: InputEventScreenDrag) -> void:
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if not touches.has(event.index):
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return
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var previous_pos: Vector2 = touches[event.index]
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touches[event.index] = event.position
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if pinch_active and touches.size() == 2 and pinch_start_distance > 0.0:
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var positions: Array = touches.values()
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var current_distance: float = positions[0].distance_to(positions[1])
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var new_zoom: float = pinch_start_zoom * (current_distance / max(pinch_start_distance, 1.0))
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_set_zoom(new_zoom)
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elif touches.size() == 1:
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content.position += event.position - previous_pos
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func _handle_magnify(event: InputEventMagnifyGesture) -> void:
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_set_zoom(content.scale.x * event.factor)
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func _set_zoom(z: float) -> void:
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var clamped: float = clamp(z, min_zoom, max_zoom)
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content.scale = Vector2(clamped, clamped)
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