Player camera controller

project.godot

@@ -51,3 +51,16 @@ folder_colors={
 "res://src/": "green",
 "res://src/world/": "teal"
 }
+
+[game]
+
+config/input/mouse_sensitivity_x=0.3
+config/input/mouse_sensitivity_y=0.3
+config/input/camera_acceleration=40.0
+config/input/invert_pitch=false
+
+[layer_names]
+
+3d_render/layer_1="Global Noise Layer"
+3d_physics/layer_1="World Geometry"
+3d_physics/layer_2="Player"

src/player/camera_controller.gd

@@ -0,0 +1,21 @@
+class_name CameraController extends Node3D
+## Simple first-person camera motion controller
+
+const PITCH_LIMIT := deg_to_rad(85.0)
+
+@onready var _target := Vector2(rotation.x, rotation.y)
+
+
+## Rotate the camera by the given motion vector.
+##
+## The input motion vector is the change in pitch and yaw in radians.
+func camera_motion(motion: Vector2) -> void:
+	_target.y -= motion.x
+	_target.x = clampf(_target.x - motion.y, -PITCH_LIMIT, PITCH_LIMIT)
+
+
+func _physics_process(delta: float) -> void:
+	var accel: float = ProjectSettings.get_setting("game/config/input/camera_acceleration")
+	var weight := 1.0 - exp(-accel * delta)
+	rotation.y = lerp_angle(rotation.y, _target.y, weight)
+	rotation.x = lerp_angle(rotation.x, _target.x, weight)

src/player/camera_controller.gd.uid

@@ -0,0 +1 @@
+uid://f3kssctvn2bo

src/player/mouselook_controller.gd

@@ -0,0 +1,28 @@
+class_name MouselookController extends Node
+## Camera controller component using the mouse to look around.
+
+@export var look_enabled := true
+
+@onready var camera_controller: CameraController = get_parent()
+
+
+func _send_mouse_motion(motion: Vector2) -> void:
+	# Map mouse motion & send to controller
+	var x_sensitivity: float = ProjectSettings.get_setting("game/config/input/mouse_sensitivity_x")
+	var y_sensitivity: float = ProjectSettings.get_setting("game/config/input/mouse_sensitivity_y")
+	var invert_pitch: bool = ProjectSettings.get_setting("game/config/input/invert_pitch")
+	camera_controller.camera_motion(
+		Vector2(
+			deg_to_rad(motion.x * x_sensitivity),
+			deg_to_rad(motion.y * y_sensitivity) * (-1 if invert_pitch else 1)
+		)
+	)
+
+
+func _unhandled_input(event: InputEvent) -> void:
+	if event is InputEventMouseMotion:
+		if Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED and look_enabled:
+			_send_mouse_motion((event as InputEventMouseMotion).relative)
+	elif event is InputEventMouseButton and look_enabled:
+		# Capture mouse when clicked
+		Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)

src/player/mouselook_controller.gd.uid

@@ -0,0 +1 @@
+uid://032jyhgkb2rv

src/player/player.tscn

@@ -1,13 +1,42 @@
-[gd_scene load_steps=3 format=3 uid="uid://dtbulshrxetes"]
+[gd_scene load_steps=8 format=3 uid="uid://dtbulshrxetes"]
+
+[ext_resource type="Script" uid="uid://f3kssctvn2bo" path="res://src/player/camera_controller.gd" id="1_mf2ua"]
+[ext_resource type="Script" uid="uid://csjccrhj5wnx7" path="res://addons/phantom_camera/scripts/phantom_camera/phantom_camera_3d.gd" id="1_rxibo"]
+[ext_resource type="Script" uid="uid://8umksf8e80fw" path="res://addons/phantom_camera/scripts/resources/tween_resource.gd" id="2_mf2ua"]
+[ext_resource type="Script" uid="uid://032jyhgkb2rv" path="res://src/player/mouselook_controller.gd" id="4_244u8"]
 
 [sub_resource type="CapsuleShape3D" id="CapsuleShape3D_qnmj6"]
 
 [sub_resource type="CapsuleMesh" id="CapsuleMesh_4anbu"]
 
+[sub_resource type="Resource" id="Resource_244u8"]
+script = ExtResource("2_mf2ua")
+duration = 0.4
+transition = 7
+ease = 0
+
 [node name="Player" type="CharacterBody3D"]
+collision_layer = 3
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="."]
 shape = SubResource("CapsuleShape3D_qnmj6")
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="."]
 mesh = SubResource("CapsuleMesh_4anbu")
+
+[node name="CameraOffset" type="Node3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5, 0)
+
+[node name="CameraController" type="Node3D" parent="CameraOffset"]
+script = ExtResource("1_mf2ua")
+
+[node name="PhantomCamera3D" type="Node3D" parent="CameraOffset/CameraController"]
+script = ExtResource("1_rxibo")
+priority = 1
+tween_resource = SubResource("Resource_244u8")
+noise_emitter_layer = 1
+metadata/_custom_type_script = "uid://csjccrhj5wnx7"
+
+[node name="MouselookController" type="Node" parent="CameraOffset/CameraController"]
+script = ExtResource("4_244u8")
+metadata/_custom_type_script = "uid://032jyhgkb2rv"

src/world/world.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=5 format=3 uid="uid://daxngklaqlyba"]
+[gd_scene load_steps=6 format=3 uid="uid://daxngklaqlyba"]
 
 [ext_resource type="PackedScene" uid="uid://dtbulshrxetes" path="res://src/player/player.tscn" id="1_1k4gi"]
+[ext_resource type="Script" uid="uid://bd046eokvcnu2" path="res://addons/phantom_camera/scripts/phantom_camera_host/phantom_camera_host.gd" id="2_6fy3g"]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_kueii"]
 albedo_color = Color(0.16, 0.16, 0.16, 1)
@@ -23,3 +24,12 @@ mesh = SubResource("PlaneMesh_1k4gi")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="WorldFloor/StaticBody3D"]
 shape = SubResource("WorldBoundaryShape3D_1k4gi")
+
+[node name="Camera3D" type="Camera3D" parent="."]
+physics_interpolation_mode = 1
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.5, 0)
+
+[node name="PhantomCameraHost" type="Node" parent="Camera3D"]
+process_priority = 300
+process_physics_priority = 300
+script = ExtResource("2_6fy3g")