minimata/MovementTests
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some juice work on the first person weapon

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This commit is contained in:
Alexandre Serex
2026-01-19 16:46:00 +01:00
parent 27c67dbdd9
commit abe6f42a3b
9 changed files with 234 additions and 52 deletions
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110
systems/head/HeadSystem.cs
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@@ -6,6 +6,18 @@ namespace Movementtests.systems;
public partial class HeadSystem : Node3D
{
public record CameraParameters(
double Delta,
Vector2 LookDir,
Vector3 PlayerInput,
Vector3 PlayerVelocity,
Vector3 WallContactPoint,
float SensitivitMultiplier,
bool WithCameraJitter,
bool WithCameraBobbing,
float BobbingMultiplier,
float FovMultiplier);
private Camera3D _camera;
private Marker3D _cameraAnchor;
private AnimationPlayer _animationPlayer;
@@ -13,25 +25,53 @@ public partial class HeadSystem : Node3D
[Export(PropertyHint.Range, "0,10,0.1,or_greater")]
public float LookSensitivity { get; set; } = 1f;
[ExportGroup("Camera incline")]
[Export(PropertyHint.Range, "0.1,50,0.1,or_greater")]
public double CameraInclineAcceleration { get; set; } = 10f;
[Export(PropertyHint.Range, "0,10,0.1,or_greater")]
public float WallRunCameraIncline { get; set; } = 5f;
[Export(PropertyHint.Range, "0,10,0.1,or_greater")]
public float GroundedCameraIncline { get; set; } = 5f;
[ExportGroup("Sliding")]
[Export(PropertyHint.Range, "0,2,0.1,or_greater")]
public float SlidingCameraHeightOffset { get; set; } = 1.0f;
[Export(PropertyHint.Range, "0,1,0.01,or_greater")]
public float SlidingJitterFrequency { get; set; } = 0.01f;
[Export(PropertyHint.Range, "0,1,0.01,or_greater")]
public float SlidingJitterAmplitude { get; set; } = 0.1f;
private FastNoiseLite _slidingNoise = new FastNoiseLite();
[ExportGroup("Bobbing")]
private float _bobbingAccumulator; // Constantly increases when player moves in X or/and Z axis
[Export(PropertyHint.Range, "0,10,0.01,or_greater")]
public float BobbingFrequency { set; get; } = 2.4f;
[Export(PropertyHint.Range, "0,0.4,0.01,or_greater")]
public float BobbingAmplitude { set; get; } = 0.08f;
[ExportGroup("FOV")]
[Export(PropertyHint.Range, "0,180,0.1,degrees")]
public float BaseFov { get; set; } = 75.0f;
[Export(PropertyHint.Range, "0,10,0.01,or_greater")]
public float FovChangeFactor { get; set; } = 1.2f;
[Export(PropertyHint.Range, "0,10,0.01,or_greater")]
public float FovChangeSpeed { get; set; } = 6.25f;
[Export(PropertyHint.Range, "0,100,1,or_greater")]
public float FovMaxedOutSpeed { get; set; } = 20f;
[ExportGroup("First Person rig")]
private Node3D _fpRig;
private Vector3 _fpRigInitialPosition;
[Export(PropertyHint.Range, "0,10,0.1,or_greater")]
public float WeaponSway { get; set; } = 5f;
[Export(PropertyHint.Range, "0,10,0.1,or_greater")]
public float WeaponLookRotation { get; set; } = 1f;
[Export(PropertyHint.Range, "0,200,1,or_greater")]
public float WeaponMoveRotation { get; set; } = 80f;
[Export(PropertyHint.Range, "0,20,0.1,or_greater")]
public float WeaponAdjustmentSpeed { get; set; } = 10f;
public void Init()
{
@@ -39,7 +79,10 @@ public partial class HeadSystem : Node3D
_camera = GetNode<Camera3D>("CameraSmooth/Camera3D");
_cameraAnchor = GetNode<Marker3D>("CameraAnchor");
_animationPlayer = GetNode<AnimationPlayer>("AnimationPlayer");
_fpRig = GetNode<Node3D>("FPRig");
_fpRigInitialPosition = _fpRig.GlobalPosition;
_slidingNoise.NoiseType = FastNoiseLite.NoiseTypeEnum.Perlin;
_slidingNoise.SetFrequency(SlidingJitterFrequency);
}
@@ -49,8 +92,19 @@ public partial class HeadSystem : Node3D
_animationPlayer.Play("mantle");
}
public void LookAround(double delta, Vector2 lookDir, Vector3 playerInput, Vector3 playerVelocity, Vector3? wallContactPoint = null, float sensitivitMultiplier = 1f, bool isSliding = false)
public void LookAround(CameraParameters inputs)
{
var (delta,
lookDir,
playerInput,
playerVelocity,
wallContactPoint,
sensitivitMultiplier,
withCameraJitter,
withCameraBobbing,
bobbingMultiplier,
fovMultiplier) = inputs;
// Horizontal movement of head
float angleForHorizontalRotation = lookDir.X * LookSensitivity * sensitivitMultiplier;
RotateY(angleForHorizontalRotation);
@@ -61,11 +115,11 @@ public partial class HeadSystem : Node3D
currentCameraRotation.X = Mathf.Clamp(currentCameraRotation.X, Mathf.DegToRad(-90f), Mathf.DegToRad(90f));
// Camera incline on Wall and more
var isWallRunning = wallContactPoint.HasValue && wallContactPoint.Value.Length() > Mathf.Epsilon;
var isWallRunning = wallContactPoint.Length() > Mathf.Epsilon;
float cameraIncline;
if (isWallRunning)
{
var directionToWall = (wallContactPoint.Value - GlobalPosition).Normalized();
var directionToWall = (wallContactPoint - GlobalPosition).Normalized();
var cameraInclineFactor = ComputeCameraInclineFactor(directionToWall);
cameraIncline = Mathf.DegToRad(WallRunCameraIncline * cameraInclineFactor);
}
@@ -77,7 +131,7 @@ public partial class HeadSystem : Node3D
currentCameraRotation.Z = (float) Mathf.Lerp(currentCameraRotation.Z, cameraIncline, delta * CameraInclineAcceleration);
_cameraAnchor.Rotation = currentCameraRotation;
if (isSliding)
if (withCameraJitter)
{
_cameraAnchor.Position = Vector3.Down*SlidingCameraHeightOffset;
float noise1D = _slidingNoise.GetNoise1D(Time.GetTicksMsec());
@@ -89,7 +143,45 @@ public partial class HeadSystem : Node3D
_cameraAnchor.Position = Vector3.Zero;
}
Vector3 newPositionForCamera = Vector3.Zero;
Vector3 newPositionForRig = Vector3.Zero;
if (withCameraBobbing)
{
_bobbingAccumulator += (float) delta * playerVelocity.Length();
// As the _bobbingAccumulator increases we're changing values for sin and cos functions.
// Because both of them are just waves, we will be slide up with y and then slide down with y
// creating bobbing effect. The same works for cos. As the _bobbingAccumulator increases the cos decreases and then increases
newPositionForCamera.Y = Mathf.Sin(_bobbingAccumulator * BobbingFrequency) * BobbingAmplitude * bobbingMultiplier;
newPositionForCamera.X = Mathf.Cos(_bobbingAccumulator * BobbingFrequency / 2.0f) * BobbingAmplitude * bobbingMultiplier;
// Offset bobbing for weapon rig
newPositionForRig.Y = Mathf.Cos(_bobbingAccumulator * BobbingFrequency) * BobbingAmplitude * bobbingMultiplier * 0.2f;
newPositionForRig.X = Mathf.Sin(_bobbingAccumulator * BobbingFrequency / 2.0f) * BobbingAmplitude * bobbingMultiplier * 0.2f;
}
_cameraAnchor.Position += newPositionForCamera;
_camera.GlobalTransform = _cameraAnchor.GetGlobalTransformInterpolated();
// First person rig adjustments
_fpRig.GlobalTransform = _cameraAnchor.GetGlobalTransformInterpolated();
// Apply bobbing
_fpRig.Position += newPositionForRig;
var newRigRotation = _fpRig.Rotation;
var camTilt = Mathf.Lerp(_fpRig.Rotation.Z, cameraIncline*WeaponMoveRotation, delta*WeaponAdjustmentSpeed);
newRigRotation.Z = (float) camTilt;
// var lookInputLerped = lookDir.Lerp(Vector2.Zero, (float) delta * WeaponAdjustmentSpeed);
newRigRotation.X = Mathf.Lerp(newRigRotation.X, -lookDir.Y*WeaponSway, (float) delta*WeaponAdjustmentSpeed);
newRigRotation.Y = Mathf.Lerp(newRigRotation.Y, -lookDir.X*WeaponSway, (float) delta*WeaponAdjustmentSpeed);
_fpRig.Rotation = newRigRotation;
// Camera adjustments
float velocityClamped = Mathf.Clamp(playerVelocity.Length(), 0.5f, FovMaxedOutSpeed);
float targetFov = BaseFov + FovChangeFactor * velocityClamped * fovMultiplier;
_camera.Fov = Mathf.Lerp(_camera.Fov, targetFov, (float) delta * FovChangeSpeed);
}
public float ComputeCameraInclineFactor(Vector3 direction)