public void Tick()
{
foreach (var entity in PhysicsEntities.ToArray())
{
if (entity is Entity e)
{
if (e.NoAi)
{
continue;
}
var blockcoords = e.KnownPosition.GetCoordinates3D(); //.BlockDown();
if (Math.Round(e.KnownPosition.Y, 2) % 1 == 0)
{
blockcoords = blockcoords.BlockDown();
//offset = 1f;
}
var block = World.GetBlock(blockcoords.X, blockcoords.Y, blockcoords.Z);
float drag = (float)(1f - e.Drag);
if (e.KnownPosition.OnGround)
{
var slipperiness = (float)block.BlockMaterial.Slipperiness;
slipperiness *= 0.91f;
var multiplier = (float)(0.1 * (0.1627714 / (slipperiness * slipperiness * slipperiness)));
entity.Velocity *= new Vector3(slipperiness, 1f, slipperiness);
}
else if (!e.IsFlying && !e.KnownPosition.OnGround && e.IsAffectedByGravity)
{
drag = 0.91f;
entity.Velocity -= new Vector3(0f, (float)(e.Gravity), 0f);
//var modifier = new Vector3(1f, (float) (1f - (e.Gravity * dt)), 1f);
//velocity *= modifier;
}
entity.Velocity *= new Vector3(drag, 0.98f, drag);
UpdateOnGround(e);
//TruncateVelocity(e, 0f);
//CheckCollision(e);
}
}
_timeSinceTick.Restart();
}
public bool Remove(IPhysicsEntity entity)
{
return(PhysicsEntities.Remove(entity));
}
public bool AddTickable(IPhysicsEntity entity)
{
return(PhysicsEntities.TryAdd(entity));
}