private void CreateBuildingOnRoad(Road road)
{
var cell = road.ParentCell;
const int offset = 6;
const float minDistance = 0.5f;
//Create an offset line of this road towards the inside of the cell
var offsetLine = road.GenerateOffsetParallelTowardsPoint(offset, cell.SitePoint);
//calculate total length of the line
var length = offsetLine.Length();
var traveled = minDistance;
//keep repeating until the end is reached
while (traveled < length - minDistance)
{
//get point on line using normalized values [0,1]
var pc = traveled / length;
var pos = offsetLine.FindRandomPointOnLine(pc, pc);
//Create a building site from this point
var bs = BuildingSite.FromPoint(pos);
bs.ParentRoad = road;
road.Buildings.Add(bs);
//travel along the line using the width of the building site
traveled += (minDistance + bs.Width / 2);
}
}
public static BuildingSite FromPoint(Point p)
{
var b = new BuildingSite(p.X, p.Y);
return b;
}
/// <summary>
/// Spawn a building on the position
/// </summary>
private void SpawnBuilding(Vector3 position, GameObject prefab, BuildingSite building)
{
var road = building.ParentRoad;
//Make the building face the road, make a perpendicular line from the building pos to the road
var lookAtPos = road.FindPerpendicularPointOnLine(new Point(position.x, position.z)).ToVector3();
//get correct spawn height from the terrain
position.y = _terrain.SampleHeight(position);
lookAtPos.y = position.y;
//Get bounds of the prefab and store them
var size = prefab.GetPrefabBounds();
building.Width = (int)size.x;
building.Height = (int)size.z;
//don't spawn when there is a collision
var colliderPos = position;
colliderPos.y += size.y / 2;
if (isOverlapping(prefab, position))
{
return;
}
//instantiate the building
var go = (GameObject)Object.Instantiate(prefab, position, prefab.transform.rotation);
//look at the road
go.transform.LookAt(lookAtPos);
//flip on Y
go.transform.RotateAround(position, go.transform.up, 180);
go.isStatic = true;
go.SetParent(_buildingParent);
building.UserData = go;
//Remove grass and other details around the object
//RemoveDetailsAroundGameObject((GameObject)go);
//Add to the buildings list
_buildings.Add(building);
}
public static BuildingSite FromPoint(Point p)
{
var b = new BuildingSite(p.X, p.Y);
return(b);
}