godot-planet/assets/maujoe.camera_control/scripts/camera_control.gd

209 lines
5.5 KiB
GDScript

# Licensed under the MIT License.
# Copyright (c) 2018 Jaccomo Lorenz (Maujoe)
extends Camera
# User settings:
# General settings
export var enabled = true setget set_enabled
export(int, "Visible", "Hidden", "Caputered, Confined") var mouse_mode = 2
# Mouslook settings
export var mouselook = true
export (float, 0.0, 1.0) var sensitivity = 0.5
export (float, 0.0, 0.999, 0.001) var smoothness = 0.5 setget set_smoothness
export(NodePath) var privot setget set_privot
export var distance = 5.0 setget set_distance
export var rotate_privot = false
export var collisions = true setget set_collisions
export (int, 0, 360) var yaw_limit = 360
export (int, 0, 360) var pitch_limit = 360
# Movement settings
export var movement = true
export (float, 0.0, 1.0) var acceleration = 1.0
export (float, 0.0, 0.0, 1.0) var deceleration = 1.0
export var max_speed = Vector3(1.0, 1.0, 1.0)
export var local = true
export var forward_action = "ui_up"
export var backward_action = "ui_down"
export var left_action = "ui_left"
export var right_action = "ui_right"
export var up_action = "ui_page_up"
export var down_action = "ui_page_down"
# Gui settings
export var use_gui = true
export var gui_action = "ui_cancel"
# Intern variables.
var _mouse_position = Vector2(0.0, 0.0)
var _yaw = 0.0
var _pitch = 0.0
var _total_yaw = 0.0
var _total_pitch = 0.0
var _direction = Vector3(0.0, 0.0, 0.0)
var _speed = Vector3(0.0, 0.0, 0.0)
var _gui
func _ready():
_check_actions([forward_action, backward_action, left_action, right_action, gui_action, up_action, down_action])
if privot:
privot = get_node(privot)
else:
privot = null
set_enabled(enabled)
if use_gui:
_gui = preload("camera_control_gui.gd")
_gui = _gui.new(self, gui_action)
add_child(_gui)
func _input(event):
if mouselook:
if event is InputEventMouseMotion:
_mouse_position = event.relative
if movement:
if event.is_action_pressed(forward_action):
_direction.z = -1
elif event.is_action_pressed(backward_action):
_direction.z = 1
elif not Input.is_action_pressed(forward_action) and not Input.is_action_pressed(backward_action):
_direction.z = 0
if event.is_action_pressed(left_action):
_direction.x = -1
elif event.is_action_pressed(right_action):
_direction.x = 1
elif not Input.is_action_pressed(left_action) and not Input.is_action_pressed(right_action):
_direction.x = 0
if event.is_action_pressed(up_action):
_direction.y = 1
if event.is_action_pressed(down_action):
_direction.y = -1
elif not Input.is_action_pressed(up_action) and not Input.is_action_pressed(down_action):
_direction.y = 0
func _process(delta):
if privot:
_update_distance()
if mouselook:
_update_mouselook()
if movement:
_update_movement(delta)
func _physics_process(delta):
# Called when collision are enabled
_update_distance()
if mouselook:
_update_mouselook()
var space_state = get_world().get_direct_space_state()
var obstacle = space_state.intersect_ray(privot.get_translation(), get_translation())
if not obstacle.empty():
set_translation(obstacle.position)
func _update_movement(delta):
var offset = max_speed * acceleration * _direction
_speed.x = clamp(_speed.x + offset.x, -max_speed.x, max_speed.x)
_speed.y = clamp(_speed.y + offset.y, -max_speed.y, max_speed.y)
_speed.z = clamp(_speed.z + offset.z, -max_speed.z, max_speed.z)
# Apply deceleration if no input
if _direction.x == 0:
_speed.x *= (1.0 - deceleration)
if _direction.y == 0:
_speed.y *= (1.0 - deceleration)
if _direction.z == 0:
_speed.z *= (1.0 - deceleration)
if local:
translate(_speed * delta)
else:
global_translate(_speed * delta)
func _update_mouselook():
_mouse_position *= sensitivity
_yaw = _yaw * smoothness + _mouse_position.x * (1.0 - smoothness)
_pitch = _pitch * smoothness + _mouse_position.y * (1.0 - smoothness)
_mouse_position = Vector2(0, 0)
if yaw_limit < 360:
_yaw = clamp(_yaw, -yaw_limit - _total_yaw, yaw_limit - _total_yaw)
if pitch_limit < 360:
_pitch = clamp(_pitch, -pitch_limit - _total_pitch, pitch_limit - _total_pitch)
_total_yaw += _yaw
_total_pitch += _pitch
if privot:
var target = privot.get_translation()
var offset = get_translation().distance_to(target)
set_translation(target)
rotate_y(deg2rad(-_yaw))
rotate_object_local(Vector3(1,0,0), deg2rad(-_pitch))
translate(Vector3(0.0, 0.0, offset))
if rotate_privot:
privot.rotate_y(deg2rad(-_yaw))
else:
rotate_y(deg2rad(-_yaw))
rotate_object_local(Vector3(1,0,0), deg2rad(-_pitch))
func _update_distance():
var t = privot.get_translation()
t.z -= distance
set_translation(t)
func _update_process_func():
# Use physics process if collision are enabled
if collisions and privot:
set_physics_process(true)
set_process(false)
else:
set_physics_process(false)
set_process(true)
func _check_actions(actions=[]):
if OS.is_debug_build():
for action in actions:
if not InputMap.has_action(action):
print('WARNING: No action "' + action + '"')
func set_privot(value):
privot = value
# TODO: fix parenting.
# if privot:
# if get_parent():
# get_parent().remove_child(self)
# privot.add_child(self)
_update_process_func()
func set_collisions(value):
collisions = value
_update_process_func()
func set_enabled(value):
enabled = value
if enabled:
Input.set_mouse_mode(mouse_mode)
set_process_input(true)
_update_process_func()
else:
set_process(false)
set_process_input(false)
set_physics_process(false)
func set_smoothness(value):
smoothness = clamp(value, 0.001, 0.999)
func set_distance(value):
distance = max(0, value)