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