private void CreateSnakes()
{
// Delete any existing snakes first.
// Cache the length of the player's snake?
int playerSnakeLength = SerpentConsts.GetStartingSnakeLength(Side.Player, this.levelNum);
if (this.playerSnake != null && this.playerSnake.Dead == false)
{
playerSnakeLength = this.playerSnake.Length;
}
DestroySnakes();
this.playerSnakeConf = this.playerSnakeConfig.GetComponent <SnakeConfig>();
CreatePlayerSnake(playerSnakeLength);
this.enemySnakeConf = this.theme.EnemySnakeConfig;
List <Snake> enemySnakes = GetEnemySnakes();
int currNumEnemySnakes = enemySnakes.Count;
int snakeLength = SerpentConsts.GetStartingSnakeLength(Side.Enemy, this.levelNum);
for (int i = 0; i < (this.maxNumEnemySnakes - currNumEnemySnakes); ++i)
{
CreateEnemySnake(snakeLength);
}
}
private Vector3 InterpolateFacing(SnakeSegment segment, SnakeTrail.SnakePosition lastCorner, float interpolation)
{
Vector3 firstDirectionVector = lastCorner.UnitVectorToPreviousPosition * -1.0f;
Direction firstDirection = SerpentConsts.GetDirectionForVector(firstDirectionVector);
Direction secondDirection = segment.CurrentDirection;
Vector3 firstEulerAngles = SerpentConsts.RotationVector3[(int)firstDirection];
Vector3 secondEulerAngles = SerpentConsts.RotationVector3[(int)secondDirection];
// Compare the sign of the angles and make sure they are both positive or both negative to account for the circle.
if (firstEulerAngles.z * secondEulerAngles.z < 0.0f)
{
// sign problem to do with west (90) and south (-180)
if (firstEulerAngles.z < -90.0f)
{
firstEulerAngles *= -1.0f;
}
else
{
secondEulerAngles *= -1.0f;
}
}
Vector3 currentEulerAngles = firstEulerAngles * (1.0f - interpolation) + secondEulerAngles * interpolation;
return(currentEulerAngles);
}
private void SetSegmentRotation(SnakeSegment bodySegment, SnakePosition position)
{
Direction dir = SerpentConsts.GetDirectionForVector(position.UnitVectorToPreviousPosition);
if (dir == Direction.None)
{
return;
}
Direction oppositeDir = SerpentConsts.OppositeDirection[(int)dir];
bodySegment.CurrentDirection = oppositeDir;
}
