100 lines
3.7 KiB
GDScript
100 lines
3.7 KiB
GDScript
extends Node3D
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#region Declarations
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@export_category("Speed")
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@onready var move_speed: float = ProjectSettings.get_setting("game/controls/camera_move_speed",20.0)
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@onready var zoom_speed: float = ProjectSettings.get_setting("game/controls/camera_zoom_speed",20.0)
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@export_category("Limits")
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@export_range(-10,10,1) var zoom_min: float = -8
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@export_range(11,50,1) var zoom_max: float = 20
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@export_range(0,0.95,0.01) var zoom_speed_damp: float = 0.5
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@export_range(0,32,4) var edge_scrolling_margin: int = ProjectSettings.get_setting("game/controls/edge_scrolling_margin",8)
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@onready var edge_scrolling_speed: float = ProjectSettings.get_setting("game/controls/edge_scrolling_speed",25.0)
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@onready var socket: Node3D = $camera_point
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@onready var cam : Camera3D = %camera_player
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var zoom_direction : float = 0.0 ## 0.0 means no zoom. Use 1.0 for moving toward the floor
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var move_disabled:bool = false
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var zoom_disabled:bool = false
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var edge_scroll_disabled:bool = ProjectSettings.get_setting("game/controls/edge_scrolling_disabled",false)
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#endregion
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func _ready():
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Input.mouse_mode = Input.MOUSE_MODE_CONFINED # Maybe should be moved in a better script
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# Called every frame. 'delta' is the elapsed time since the previous frame.
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func _process(delta: float) -> void:
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cam_move(delta)
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cam_zoom(delta)
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cam_edge_scroll(delta)
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func _unhandled_input(event: InputEvent) -> void:
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if event.is_action("scroll_up"):
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zoom_direction = -1
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if event.is_action("scroll_down"):
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zoom_direction = 1
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#region Getter
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func get_mouse_position() -> Vector2:
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return get_viewport().get_mouse_position()
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## multiplicator for movement speed, based on zoom level
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func get_zoom_factor() -> float:
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return remap(cam.position.z,zoom_min,zoom_max,0.1,2.0)
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#endregion
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#region Movement
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## Controls the movement of the player camera
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func cam_move(delta:float) -> void:
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if move_disabled:return
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var velocity_direction := Vector3.ZERO
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if Input.is_action_pressed("cam_backward"): velocity_direction -= transform.basis.x
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if Input.is_action_pressed("cam_forward"): velocity_direction += transform.basis.x
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if Input.is_action_pressed("cam_left"): velocity_direction -= transform.basis.z
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if Input.is_action_pressed("cam_right"): velocity_direction += transform.basis.z
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position += velocity_direction.normalized() * delta * move_speed * get_zoom_factor()
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## Controls the zoom of the player camera
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## [br]
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## [param zoom_direction] control the direction.
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## 0.0 means no zoom. Use 1.0 for moving toward the floor
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func cam_zoom(delta:float) -> void:
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if zoom_disabled:return
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var new_zoom: float = clamp(cam.position.z + zoom_speed * zoom_direction * delta,zoom_min,zoom_max)
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print(new_zoom)
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cam.position.z = new_zoom
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zoom_direction *= zoom_speed_damp #Smooth the deceleration
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func cam_edge_scroll(delta:float) -> void:
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if edge_scroll_disabled:return
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var current_viewport = get_viewport()
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var pan_direction := Vector2(0,0) #Edge scrolling to bottom left by default, changing that if needed
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var viewport_rectange := Rect2i(current_viewport.get_visible_rect())
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var viewport_size := viewport_rectange.size
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var mouse_position = get_mouse_position()
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# X PAN
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if (mouse_position.x < edge_scrolling_margin or (mouse_position.x > viewport_size.x - edge_scrolling_margin)):
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pan_direction.x = 1 if (mouse_position.x > viewport_size.x/2) else -1 # detect if we are in the half of the screen or not
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# Y PAN
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if (mouse_position.y < edge_scrolling_margin or (mouse_position.y > viewport_size.y - edge_scrolling_margin)):
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pan_direction.y = 1 if (mouse_position.y < viewport_size.y/2) else -1 # detect if we are in the half of the screen or not
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var pan_vector:= Vector2(pan_direction.x,pan_direction.y) * delta * edge_scrolling_speed * get_zoom_factor()
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translate_object_local(Vector3(pan_vector.y,0,pan_vector.x))
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#endregion
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