75 lines
2 KiB
GDScript
75 lines
2 KiB
GDScript
class_name CameraGimbal extends Node3D
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@export var rotation_speed = (PI / 180) * 120
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@export var shift_lock = false
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var locked_mouse_positon = Vector2(0,0)
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var mouse_locked = false
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var mouse_x_velocity = 0
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var mouse_y_velocity = 0
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var zoom_min = 4
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var zoom_max = 80
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var zoom_speed = 20
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var current_zoom = 8
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func reset():
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basis = Basis()
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$InnerGimbal.basis = Basis()
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func rotate_camera_y(y, delta):
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rotate_object_local(Vector3.UP, y * rotation_speed * delta)
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func rotate_camera_x(x, delta):
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$InnerGimbal.rotate_object_local(
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Vector3.RIGHT, x * rotation_speed * delta)
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$InnerGimbal.rotation.x = clamp($InnerGimbal.rotation.x,-0.8,0.7)
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func _input(event):
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if event is InputEventMouseMotion:
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mouse_x_velocity = event.relative.x
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mouse_y_velocity = event.relative.y
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elif event.is_action_pressed("zoom_out"):
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current_zoom += 1
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elif event.is_action_pressed("zoom_in"):
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current_zoom -= 1
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func _process(delta):
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# rotate outer gimbal around y axis
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var y = 0
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var x = 0
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if Input.is_action_just_pressed("shift_lock"):
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if shift_lock == true:
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shift_lock = false
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else:
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shift_lock = true
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elif Input.is_mouse_button_pressed(MOUSE_BUTTON_RIGHT) or shift_lock == true:
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if mouse_locked == false:
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mouse_locked = true
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locked_mouse_positon = get_viewport().get_mouse_position()
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Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
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if mouse_x_velocity > 5 or mouse_x_velocity < -5:
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y -= clamp(mouse_x_velocity / 12.5, -10, 10)
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if mouse_y_velocity > 5 or mouse_y_velocity < -5:
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x -= clamp(mouse_y_velocity / 12.5, -10, 10)
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else:
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Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
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mouse_locked = false
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mouse_x_velocity = 0
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mouse_y_velocity = 0
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rotate_camera_y(y, delta)
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rotate_camera_x(x, delta)
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# reset gimbals
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if Input.is_action_pressed("cam_reset"):
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reset()
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current_zoom = clamp(current_zoom, zoom_min, zoom_max)
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var pos = Vector3($InnerGimbal/Camera3D.position)
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pos.y = lerp(pos.y, float(current_zoom), zoom_speed*delta)
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pos.z = lerp(pos.z, float(current_zoom), zoom_speed*delta)
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$InnerGimbal/Camera3D.position = pos
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