Initial commit

code/EntityComponents/Lucker/Cameras/TopDownCamera.cs

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+/*using Sandbox;
+using System;
+using System.Linq;
+
+namespace LuckerGame.Components.Lucker.Cameras;
+
+/// <summary>
+/// A top downish camera that follows an entity
+/// </summary>
+public partial class TopDownCamera : AbstractCamera, ISingletonComponent
+{
+	protected float WheelSpeed => 30f;
+	protected Vector2 CameraDistance => new( 125, 1000 );
+	protected Vector2 PitchClamp => new( 30, 60 );
+
+	float OrbitDistance = 400f;
+	float TargetOrbitDistance = 400f;
+	Angles OrbitAngles = Angles.Zero;
+
+	protected static Vector3 IntersectPlane( Vector3 pos, Vector3 dir, float z )
+	{
+		float a = (z - pos.z) / dir.z;
+		return new( dir.x * a + pos.x, dir.y * a + pos.y, z );
+	}
+
+	protected static Rotation LookAt( Vector3 targetPosition, Vector3 position )
+	{
+		var targetDelta = (targetPosition - position);
+		var direction = targetDelta.Normal;
+
+		return Rotation.From( new Angles(
+			((float)Math.Asin( direction.z )).RadianToDegree() * -1.0f,
+			((float)Math.Atan2( direction.y, direction.x )).RadianToDegree(),
+			0.0f ) );
+	}
+
+	public override void Update()
+	{
+		var pawn = Entity;
+		if ( !pawn.IsValid() )
+			return;
+
+		Camera.Position = pawn.Position;
+		Vector3 targetPos;
+
+		Camera.Position += Vector3.Up * (pawn.CollisionBounds.Center.z * pawn.Scale);
+		Camera.Rotation = Rotation.From( OrbitAngles );
+
+		targetPos = Camera.Position + Camera.Rotation.Backward * OrbitDistance;
+
+		Camera.Position = targetPos;
+		Camera.FieldOfView = 70f;
+		Camera.FirstPersonViewer = null;
+
+		Sound.Listener = new()
+		{
+			Position = pawn.AimRay.Position,
+			Rotation = pawn.EyeRotation
+		};
+	}
+
+	public override void BuildInput()
+	{
+		var wheel = Input.MouseWheel;
+		if ( wheel != 0 )
+		{
+			TargetOrbitDistance -= wheel * WheelSpeed;
+			TargetOrbitDistance = TargetOrbitDistance.Clamp( CameraDistance.x, CameraDistance.y );
+		}
+
+		OrbitDistance = OrbitDistance.LerpTo( TargetOrbitDistance, Time.Delta * 10f );
+
+		// Sets pawn to face where the camera faces
+		if ( Input.UsingController || Input.Down( "attack2" ) )
+		{
+			OrbitAngles.yaw += Input.AnalogLook.yaw;
+			OrbitAngles.pitch += Input.AnalogLook.pitch;
+			OrbitAngles = OrbitAngles.Normal;
+
+			Entity.ViewAngles = OrbitAngles.WithPitch( 0f );
+		}
+		// Sets pawn to face to point that the mouse is over
+		else
+		{
+			// Get ray from direction vector from mouse pointer through screen
+			var direction = Screen.GetDirection( Mouse.Position, Camera.FieldOfView, Camera.Rotation, Screen.Size );
+			
+			var hitPos = IntersectPlane( Camera.Position, direction, Entity.EyePosition.z );
+
+			Entity.ViewAngles = (hitPos - Entity.EyePosition).EulerAngles;
+		}
+
+		OrbitAngles.pitch = OrbitAngles.pitch.Clamp( PitchClamp.x, PitchClamp.y );
+
+		Entity.InputDirection = Input.AnalogMove;
+	}
+}*/