FPS game progress

2023-07-24 22:16:01 -07:00
parent c355547a0d
commit d098cfb017
19 changed files with 533 additions and 3 deletions
--- a/Scripts/Player.cs
+++ b/Scripts/Player.cs
@@ -0,0 +1,101 @@
+using Godot;
+
+public partial class Player : CharacterBody3D
+{
+  [Signal]
+  public delegate void OnHitEventHandler();
+
+  public const float _speed = 5.0f;
+  public const float _jumpVelocity = 4.5f;
+  [Export]
+  private float _mouseSensitivity = 0.03f;
+  [Export]
+  private float _joystickDeadZone = 0.5f;
+  [Export]
+  private float _sensitivityHorizontal = 0.5f;
+  [Export]
+  private float _sensitivityVertical = 0.5f;
+  [Export]
+  private Node3D _pivot;
+
+  private RayCast3D _aimCast;
+
+  // Get the gravity from the project settings to be synced with RigidBody nodes.
+  public static float gravity = ProjectSettings.GetSetting("physics/3d/default_gravity").AsSingle();
+
+  public override void _Ready()
+  {
+    Input.MouseMode = Input.MouseModeEnum.Captured;
+    _aimCast = GetNode<RayCast3D>("Pivot/Camera3D/AimCast");
+  }
+
+  public override void _PhysicsProcess(double delta)
+  {
+    var isOnFloor = IsOnFloor();
+    Velocity = MovePlayer(Velocity, Transform.Basis, (float)delta, isOnFloor);
+    MoveAndSlide();
+  }
+
+  public override void _Process(double delta)
+  {
+    var joyRightX = Input.GetJoyAxis(0, JoyAxis.RightX);
+    var joyRightY = Input.GetJoyAxis(0, JoyAxis.RightY);
+
+    if (Mathf.Abs(joyRightX) > _joystickDeadZone)
+      RotateY(Mathf.DegToRad(-joyRightX * _sensitivityHorizontal));
+    if (Mathf.Abs(joyRightY) > _joystickDeadZone)
+    {
+      _pivot.RotateX(Mathf.DegToRad(-joyRightY * _sensitivityVertical));
+      _pivot.Rotation = new Vector3(Mathf.Clamp(_pivot.Rotation.X, Mathf.DegToRad(-80), Mathf.DegToRad(80)), _pivot.Rotation.Y, _pivot.Rotation.Z);
+    }
+  }
+
+  public override void _Input(InputEvent @event)
+  {
+
+    if (Input.IsActionJustPressed("quit"))
+      GetTree().Quit();
+
+    if (@event is InputEventMouseMotion inputMouseEvent)
+    {
+      RotateY(Mathf.DegToRad(-inputMouseEvent.Relative.X * _mouseSensitivity));
+      _pivot.RotateX(Mathf.DegToRad(-inputMouseEvent.Relative.Y * _mouseSensitivity));
+      _pivot.Rotation = new Vector3(Mathf.Clamp(_pivot.Rotation.X, Mathf.DegToRad(-80), Mathf.DegToRad(80)), _pivot.Rotation.Y, _pivot.Rotation.Z);
+    }
+
+    if (@event.IsActionPressed("fire") && _aimCast.IsColliding())
+    {
+      EmitSignal(SignalName.OnHit);
+      _aimCast.GetCollider().Call("OnHitEvent", 3);
+    }
+  }
+
+  private static Vector3 MovePlayer(Vector3 velocity, Basis basis, float delta, bool isOnFloor)
+  {
+    var startingVelocity = velocity;
+    // Add the gravity.
+    if (!isOnFloor)
+      velocity.Y -= gravity * delta;
+
+    // Handle Jump.
+    if (Input.IsActionJustPressed("jump") && isOnFloor)
+      velocity.Y = _jumpVelocity;
+
+    // Get the input direction and handle the movement/deceleration.
+    // As good practice, you should replace UI actions with custom gameplay actions.
+    Vector2 inputDir = Input.GetVector("left", "right", "up", "down");
+    Vector3 direction = (basis * new Vector3(inputDir.X, 0, inputDir.Y)).Normalized();
+    if (direction != Vector3.Zero)
+    {
+      velocity.X = direction.X * _speed;
+      velocity.Z = direction.Z * _speed;
+    }
+    else
+    {
+      velocity.X = Mathf.MoveToward(startingVelocity.X, 0, _speed);
+      velocity.Z = Mathf.MoveToward(startingVelocity.Z, 0, _speed);
+    }
+
+    return velocity;
+  }
+}