nav collision

player.gd

@@ -0,0 +1,61 @@
+extends Node3D
+
+var _rotation_target_x : Vector3
+var _rotation_target_y : Vector3
+@export var _cam : Camera3D
+@export var _ray : RayCast3D
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	_rotation_target_y = self.rotation
+	_rotation_target_x = _cam.rotation
+	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
+
+
+# TODO: Interpolation.
+# TODO: Hiding/Popping animation.
+func _physics_process(_delta: float) -> void:
+	var wmark := get_parent_node_3d().get_node("WallMark") as Sprite3D
+	var fmark := get_parent_node_3d().get_node("FloorMark") as Sprite3D
+	# Walls.
+	if _ray.is_colliding() and (_ray.get_collider() as StaticBody3D).get_collision_layer_value(3):
+		var normflat := Vector3(_ray.get_collision_normal().x, 0, _ray.get_collision_normal().z)
+		var posflat := Vector3(_ray.get_collision_point().x, 0, _ray.get_collision_point().z)
+		wmark.look_at_from_position(posflat, posflat + normflat, Vector3.UP)
+		wmark.position = posflat + normflat
+		wmark.show()
+	else:
+		wmark.hide()
+
+	# Floor.
+	if _ray.is_colliding() and (_ray.get_collider() as StaticBody3D).get_collision_layer_value(2):
+		var posflat := Vector3(_ray.get_collision_point().x, 0, _ray.get_collision_point().z)
+		fmark.position = posflat
+		fmark.show()
+	else:
+		fmark.hide()
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	self.rotation.y = lerp_angle(_rotation_target_y.y, _rotation_target_y.y, 1.0 - exp(-30 * delta))
+	_cam.rotation.x = lerp_angle(_cam.rotation.x, _rotation_target_x.x, 1.0 - exp(-20 * delta))
+
+
+func _input(event: InputEvent) -> void:
+	if event is InputEventMouseMotion and Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED:
+		var motion := event as InputEventMouseMotion
+		var preserve := rotation
+		rotation = _rotation_target_y
+		self.rotate_y(deg_to_rad(motion.relative.x) * -0.25)
+		_rotation_target_y = rotation
+		rotation = preserve
+
+		preserve = _cam.rotation
+		_cam.rotate_x(deg_to_rad(motion.relative.y) * -0.2)
+		var camera_rot := _cam.rotation_degrees
+		camera_rot.x = clamp(camera_rot.x, -30, 30)
+		_cam.rotation_degrees = camera_rot
+		_rotation_target_x = _cam.rotation
+		_cam.rotation = preserve