public void Destroy()
{
if (cell.item is Rail rl)
{
rl.CartStopApproaching();
}
if (futureRail != null)
{
futureRail.CartStopApproaching();
}
Globals.player.carts.Remove(this);
}
public void Teleport(Portal toPortal)
{
position = toPortal.ToVector2();
previousRail.CartStopApproaching();
previousRail = (Rail)cell.item;
cell = Cell.GetCell(position);
moveDirection = MoveDirection.None;
CalculateTravelDirection();
SetFutureCell();
if (cell.item is Rail rl)
{
rl.CartStartApproaching();
}
futureRail.CartStartApproaching();
//previousRail.CartStopApproaching();
}
public void Move(GameTime gameTime)
{
move = Vector2.Zero;
if (moveDirection == MoveDirection.None)
{
Destroy();
}
if (futureRail != null) // move
{
position = Vector2.Lerp(cell.ToVector2(), futureRail.cell.ToVector2(), t);
//velocity = MathHelper.Lerp(startVel, endVel, acceleration * -t);
velocity += acceleration * (float)gameTime.ElapsedGameTime.TotalSeconds * 0.1f;
//velocity *= (float)gameTime.ElapsedGameTime.TotalSeconds;
if (velocity <= endVel) // the cart is no longer travelling
{
velocity = endVel;
}
t += velocity * (float)gameTime.ElapsedGameTime.TotalSeconds * 0.1f;
if (t >= 1)
{
t = 0;
switch (moveDirection)
{
case MoveDirection.None:
break;
case MoveDirection.Up:
rotation = MathHelper.Pi;
break;
case MoveDirection.Down:
rotation = 0;
break;
case MoveDirection.Right:
rotation = -MathHelper.PiOver2;
break;
case MoveDirection.Left:
rotation = MathHelper.PiOver2;
break;
default:
break;
}
previousRail = (Rail)cell.item;
cell = Cell.GetCell(position);
position = futureRail.cell.ToVector2();
if (cell.item is Rail rail)
{
rail.CartPassOver(this);
}
SetFutureCell();
if (previousRail != null)
{
previousRail.CartStopApproaching();
}
if (futureRail != null)
{
futureRail.CartStartApproaching();
}
if (cell.item is Rail rl)
{
rl.CartStartApproaching();
}
if (futureRail == null)
{
CalculateTravelDirection();
SetFutureCell();
if (futureRail != null)
{
futureRail.CartStartApproaching();
}
}
}
}
else
{
CalculateTravelDirection();
SetFutureCell();
if (futureRail == null)
{
Destroy();
}
}
}