private void MakeStep()
{
var firstSegmentPos = segments[0].Position;
var direction = input.GetLastDirection();
FieldCoords deltaPos;
switch (direction)
{
case MoveDirection.Up:
deltaPos = FieldCoords.up;
break;
case MoveDirection.Right:
deltaPos = FieldCoords.right;
break;
case MoveDirection.Down:
deltaPos = FieldCoords.down;
break;
case MoveDirection.Left:
deltaPos = FieldCoords.left;
break;
default:
throw new NotImplementedException(string.Format("Unknown move direction", direction));
}
FieldCoords nextPos = firstSegmentPos + deltaPos;
if (segments.Count > 1)
{
var secondSegmentPos = segments[1].Position;
if (nextPos == secondSegmentPos)
{
// incorrect direction input
nextPos = firstSegmentPos - deltaPos;
}
}
for (int i = 0; i < segments.Count; i++)
{
var segment = segments[i];
var oldPos = segment.Position;
segment.Position = nextPos;
segment.View.position = nextPos.ToVector3();
segment.View.localScale = bonuses.Has(nextPos) ? fatSegmentScale : Vector3.one;
nextPos = oldPos;
}
if (bonuses.Use(nextPos))
{
SpawnBodySegment(nextPos);
}
}
public void SpawnBonus(Bonus what, FieldCoords where)
{
Transform prefab;
if (bonusPrefabs.TryGetValue(what, out prefab))
{
var pos = where.ToVector3();
pos.y = bonusSpawnHeight;
var bonusView = GameObject.Instantiate(prefab, pos, Quaternion.identity, fieldRoot);
spawnedBonuses.Add(where, bonusView);
}
}
