/// <summary>
/// Finds the most optimal spot to move to. If it can move a spot where the player
/// unit is at the top of its shoot radius, then it will. If not it will just move as far as it can
/// </summary>
/// <returns>The tile that will be moved to</returns>
Node MoveCloser()
{
TileScript tile = null;
if (!thisUnit.HasShot())
{
// FIND A TILE WITH LINE OF SIGHT TO AN ENEMY
List <TileScript> tilesUnitCanSee = GridManagerScript.instance.GetTilesUnitCanSee(closestUnit, thisUnit.GetShootRadius() + (thisUnit.GetShootRadius() / 2));
//if there are tiles the enemy can see (should literally always be true)
if (tilesUnitCanSee != null)
{
// Determine how many of the tiles the enemy can see are within walking range of our movement
List <TileScript> overlappingTiles = GridManagerScript.instance.GetWalkableTilesInRange(tilesUnitCanSee);
//foreach (TileScript thisTile in overlappingTiles)
//{
// thisTile.sr.color = Color.blue;
//}
if (overlappingTiles != null)
{
tile = GridManagerScript.instance.FindClosestTile(thisUnit.transform.position, overlappingTiles);
}
}
}
// NORMAL MOVE CLOSER
if (tile == null)
{
//Get the vector between the two units
Vector3 diff = closestUnitPos - thisUnit.transform.position;
//Make it a unit vector
diff.Normalize();
//Mutiply it by the length of your shoot range to get the vector to the end of your shoot range in the direction you want
diff *= thisUnit.GetShootRadius();
//Get the vector from this unit to the tile that will make the player unit at the tip of your range
Vector3 rangeToUnit = closestUnitPos - thisUnit.transform.position - diff;
//RangetoUnit is currently using the unit as 0,0 so we have to make the grid's 0,0 the actual starting point
rangeToUnit += thisUnit.transform.position;
//Find the closest tile to that point within your walkable zone
tile = GridManagerScript.instance.FindClosestTile(rangeToUnit);
}
return(tile.GetNode());
}
/// <summary>
/// Moves the unit as far as it can away from the closest player unit
/// </summary>
/// <returns>The tile that will be moved to</returns>
Node MoveFarther()
{
//Get the vector between the two units
Vector3 diff = closestUnitPos - thisUnit.transform.position;
//Negate it to get the farthest direction from the player unit
diff *= -1f;
//Normalize and multiply by the amount of movement you have left to go as far as possible
diff.Normalize();
diff *= thisUnit.GetMovesLeft();
diff += thisUnit.transform.position;
TileScript tile = GridManagerScript.instance.FindClosestTile(diff);
return(tile.GetNode());
}
