private int getAngle(SnakeMovePos movePos)
{
switch (movePos.GetDirection())
{
case Direction.Right:
switch (movePos.getPrevDirection())
{
default:
return(90);
case Direction.Down:
return(45);
case Direction.Up:
return(-45);
}
case Direction.Left:
switch (movePos.getPrevDirection())
{
default:
return(-90);
case Direction.Down:
return(-45);
case Direction.Up:
return(45);
}
case Direction.Up:
switch (movePos.getPrevDirection())
{
default:
return(0);
case Direction.Left:
return(45);
case Direction.Right:
return(-45);
}
case Direction.Down:
switch (movePos.getPrevDirection())
{
default:
return(180);
case Direction.Left:
return(180 - 45);
case Direction.Right:
return(180 + 45);
}
default: return(0);
}
}
public Direction getPrevDirection()
{
if (this.lastMovePos == null)
{
return(Direction.Right);
}
return(lastMovePos.GetDirection());
}