camera: rename script to camera.gd

player/camera.gd

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