fps sample setup

project.godot

@@ -11,5 +11,41 @@ config_version=5
 [application]
 
 config/name="parable"
+run/main_scene="uid://c2kjfysadph28"
 config/features=PackedStringArray("4.4", "Forward Plus")
 config/icon="res://icon.svg"
+
+[input]
+
+ui_left={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":4194319,"physical_keycode":0,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":13,"pressure":0.0,"pressed":false,"script":null)
+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":0,"axis_value":-1.0,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":65,"key_label":0,"unicode":97,"location":0,"echo":false,"script":null)
+]
+}
+ui_right={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":4194321,"physical_keycode":0,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":14,"pressure":0.0,"pressed":false,"script":null)
+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":0,"axis_value":1.0,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":68,"key_label":0,"unicode":100,"location":0,"echo":false,"script":null)
+]
+}
+ui_up={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":4194320,"physical_keycode":0,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":11,"pressure":0.0,"pressed":false,"script":null)
+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":1,"axis_value":-1.0,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":87,"key_label":0,"unicode":119,"location":0,"echo":false,"script":null)
+]
+}
+ui_down={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":4194322,"physical_keycode":0,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":12,"pressure":0.0,"pressed":false,"script":null)
+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":1,"axis_value":1.0,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":83,"key_label":0,"unicode":115,"location":0,"echo":false,"script":null)
+]
+}

scenes/game.tscn

@@ -0,0 +1,20 @@
+[gd_scene load_steps=4 format=3 uid="uid://c2kjfysadph28"]
+
+[ext_resource type="Texture2D" uid="uid://bsd3o6sy0cdc5" path="res://icon.svg" id="1_uwrxv"]
+[ext_resource type="PackedScene" uid="uid://dsgumv1053wb2" path="res://scenes/player.tscn" id="2_lnu2h"]
+[ext_resource type="PackedScene" uid="uid://dfbqg6cxhbpng" path="res://scenes/ground.tscn" id="3_lbhrr"]
+
+[node name="Game" type="Node3D"]
+
+[node name="Godot" type="Sprite3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -2.16255)
+texture = ExtResource("1_uwrxv")
+
+[node name="Player" parent="." instance=ExtResource("2_lnu2h")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.73814, 0)
+
+[node name="Ground" parent="." instance=ExtResource("3_lbhrr")]
+transform = Transform3D(100, 0, 0, 0, 100, 0, 0, 0, 100, 0, 0, 0)
+
+[node name="Sun" type="DirectionalLight3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, -4.37114e-08, 1, 0, -1, -4.37114e-08, 0, 7.72306, 0)

scenes/ground.tscn

@@ -0,0 +1,18 @@
+[gd_scene load_steps=4 format=3 uid="uid://dfbqg6cxhbpng"]
+
+[sub_resource type="PlaneMesh" id="PlaneMesh_7ylpw"]
+
+[sub_resource type="PhysicsMaterial" id="PhysicsMaterial_7ylpw"]
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_pybca"]
+size = Vector3(2, 0.2, 2)
+
+[node name="Ground" type="MeshInstance3D"]
+mesh = SubResource("PlaneMesh_7ylpw")
+
+[node name="StaticBody3D" type="StaticBody3D" parent="."]
+physics_material_override = SubResource("PhysicsMaterial_7ylpw")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="StaticBody3D"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -0.099587, 0)
+shape = SubResource("BoxShape3D_pybca")

scenes/player.tscn

@@ -0,0 +1,21 @@
+[gd_scene load_steps=5 format=3 uid="uid://dsgumv1053wb2"]
+
+[ext_resource type="Script" uid="uid://ccj8w85qobhpl" path="res://scripts/player.gd" id="1_3vyb7"]
+[ext_resource type="Script" uid="uid://bs7pcycdeiwqx" path="res://scripts/player_camera.gd" id="2_g2els"]
+
+[sub_resource type="CapsuleMesh" id="CapsuleMesh_u8vuu"]
+
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_u8vuu"]
+
+[node name="Player" type="CharacterBody3D"]
+script = ExtResource("1_3vyb7")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("CapsuleMesh_u8vuu")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+shape = SubResource("CapsuleShape3D_u8vuu")
+
+[node name="Camera" type="Camera3D" parent="."]
+current = true
+script = ExtResource("2_g2els")

scripts/player.gd

@@ -0,0 +1,26 @@
+extends CharacterBody3D
+
+const SPEED = 5.0
+const JUMP_VELOCITY = 4.5
+
+func _physics_process(delta):
+	# Add the gravity.
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+
+	# Handle jump.
+	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+		velocity.y = JUMP_VELOCITY
+	
+	# Get the input direction and handle the movement/deceleration.
+	# As good practice, you should replace UI actions with custom gameplay actions.
+	var input_dir = Input.get_vector("ui_left", "ui_right", "ui_up", "ui_down")
+	var direction = (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
+	if direction:
+		velocity.x = direction.x * SPEED
+		velocity.z = direction.z * SPEED
+	else:
+		velocity.x = move_toward(velocity.x, 0, SPEED)
+		velocity.z = move_toward(velocity.z, 0, SPEED)
+
+	move_and_slide()

scripts/player.gd.uid

@@ -0,0 +1 @@
+uid://ccj8w85qobhpl

scripts/player_camera.gd

@@ -0,0 +1,68 @@
+# taken from
+# https://github.com/tavurth/godot-simple-fps-camera/blob/master/player/Camera.gd
+#
+extends Camera3D
+
+@onready var Player = get_parent()
+
+## Increase this value to give a slower turn speed
+const CAMERA_TURN_SPEED = 400
+
+func _ready():
+	## Tell Godot that we want to handle input
+	set_process_input(true)
+
+func look_updown_rotation(new_rotation = 0):
+	"""
+	Returns a new Vector3 which contains only the x direction
+	We'll use this vector to compute the final 3D rotation later
+	"""
+	var toReturn = self.get_rotation() + Vector3(new_rotation, 0, 0)
+
+	##
+	## We don't want the player to be able to bend over backwards
+	## neither to be able to look under their arse.
+	## Here we'll clamp the vertical look to 90° up and down
+	toReturn.x = clamp(toReturn.x, PI / -2, PI / 2)
+
+	return toReturn
+
+func look_leftright_rotation(new_rotation = 0):
+	"""
+	Returns a new Vector3 which contains only the y direction
+	We'll use this vector to compute the final 3D rotation later
+	"""
+	return Player.get_rotation() + Vector3(0, new_rotation, 0)
+
+func _input(event):
+	"""
+	First person camera controls
+	"""
+	##
+	## We'll only process mouse motion events
+	if not event is InputEventMouseMotion:
+		return
+
+	##
+	## We'll use the parent node "Player" to set our left-right rotation
+	## This prevents us from adding the x-rotation to the y-rotation
+	## which would result in a kind of flight-simulator camera
+	Player.set_rotation(look_leftright_rotation(event.relative.x / -CAMERA_TURN_SPEED))
+
+	##
+	## Now we can simply set our y-rotation for the camera, and let godot
+	## handle the transformation of both together
+	self.set_rotation(look_updown_rotation(event.relative.y / -CAMERA_TURN_SPEED))
+
+func _enter_tree():
+	"""
+	Hide the mouse when we start
+	"""
+	Input.set_mouse_mode(Input.MOUSE_MODE_HIDDEN)
+	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
+
+func _leave_tree():
+	"""
+	Show the mouse when we leave
+	"""
+	Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)

scripts/player_camera.gd.uid

@@ -0,0 +1 @@
+uid://bs7pcycdeiwqx