data/Chain.User.cs

using System;
using System.Collections.Generic;
using Photon.Deterministic;

namespace Quantum
{
	unsafe partial struct Chain
	{
		public void Update(FrameThreadSafe frame, ref ChainSystem.Filter filter)
		{
			FPVector3 direction = filter.Transform->Position - LastPosition;
			Alpha = direction.Magnitude / DistanceThreshold;

			// cycle element
			if (Alpha > FP._1)
			{
				Alpha = Alpha % FP._1;
				AddBreadCrumb(direction);
			}

			filter.Body->Drag = MinDrag + Count * DragPerItem;
			if (filter.Drivable->Grounded == false) filter.Body->GravityScale = FP._1;
			filter.Drivable->Grounded = false;
#if DEBUG
			for (int i = 0; i < Positions.Length; i++)
			{
				Draw.Sphere(Positions[i], FP._0_10, ColorRGBA.ColliderBlue);
			}
#endif
		}

		public void AddBreadCrumb(FPVector3 direction)
		{
			FPVector3 newPosition = LastPosition + direction.Normalized * DistanceThreshold;
			*Positions.GetPointer(Current) = newPosition;
			Current = (Current + 1) % Positions.Length;
			LastPosition = newPosition;
		}
	}
}