readme

2023-06-19 00:41:44 +08:00
parent 073996ce6c
commit bf122c66dc
48 changed files with 683 additions and 84 deletions
--- a/BITKit/Scripts/Camera/FreeLookCamera.cs
+++ b/BITKit/Scripts/Camera/FreeLookCamera.cs
@@ -0,0 +1,105 @@
+using System;
+using Godot;
+
+namespace BITKit;
+public partial class FreeLookCamera : Node3D,IVirtualCamera
+{
+    [Export]
+    private int fov;
+    [Export]
+    private bool isEnabled;
+
+    [Export] 
+    private Curve wheelCurve;
+
+    [Export(PropertyHint.Range,"0.32,8")]
+    private float distance;
+
+    [Export] private float maxDistance;
+    
+    private Vector3 rotation;
+    private Vector3 position;
+    void IActivable.SetActive(bool active) => isEnabled = active;
+    int IVirtualCamera.FOV => fov;
+    bool IVirtualCamera.IsEnabled => isEnabled;
+    // ReSharper disable once ConvertToAutoProperty
+    Vector3 IVirtualCamera.Rotation =>rotation ;
+    // ReSharper disable once ConvertToAutoProperty
+    Vector3 IVirtualCamera.Position => position;
+
+    private Vector3 euler;
+
+    private bool isMoving;
+    public override void _Ready()
+    {
+        euler = Rotation;
+        position = Position;
+        CameraService.Register(this);
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        CameraService.UnRegister(this);
+    }
+
+    public override void _Process(double delta)
+    {
+        var _rot = Quaternion.FromEuler(euler);
+        var _dir = _rot * Vector3.Forward * distance;
+        var newPos = Position - _dir;
+        position = position.Lerp(newPos, 1);
+
+        rotation = rotation.Lerp(euler, 1);
+
+        BITAppForGodot.AllowCursor.SetDisableElements(this,Input.IsMouseButtonPressed(MouseButton.Middle));
+
+        isMoving = Input.IsKeyPressed(Key.Shift);
+        
+        SetMeta("CurrentRot",_rot);
+    }
+
+    public override void _Input(InputEvent @event)
+    {
+        
+        switch (@event)
+        {
+            case InputEventMouseMotion mouseMotion:
+                if(Input.IsMouseButtonPressed(MouseButton.Middle) is false)break;
+                if (isMoving)
+                {
+                    var velocity = mouseMotion.Relative;
+                    Position +=
+                        Quaternion.FromEuler(euler) * 
+                        new Vector3() 
+                    {
+                        X= -velocity.X,
+                        Y = velocity.Y
+                    } * (float)GetProcessDeltaTime();
+                }
+                else
+                {
+                    var mouseVelocity = mouseMotion.Relative /* 0.022f*/ * 1.81f * (float)GetProcessDeltaTime();
+                    euler.X -= mouseVelocity.Y;
+                    euler.Y -= mouseVelocity.X;
+                    euler.Y %= 360;
+
+                    euler.X = Math.Clamp(euler.X, -80, 80);
+                }
+               
+                break;
+            case InputEventMouseButton mouseButton:
+                var delta =(float) GetProcessDeltaTime()  * (wheelCurve?.Sample(distance*0.1f) ?? 32);
+                switch (mouseButton.ButtonIndex)
+                {
+                    case MouseButton.WheelUp:
+                        distance -= delta;
+                        break;
+                    case MouseButton.WheelDown: 
+                        distance += delta;
+                        break;
+                }
+                distance = Math.Clamp(distance,0, maxDistance);
+                break;
+        }
+    }
+}