public static void updateActiveTilemaps(Tilemap[] currentMaps)
{
float switchRange = 150f;
float deltaXRight;
float deltaXLeft;
//get distance to switch point
if (GameControls.isGhost)
{
deltaXRight = Singleplayer.ghost.Position.X - currentMaps[Singleplayer.activeIndex2].StartPosition.X;
deltaXLeft = Singleplayer.ghost.Position.X - currentMaps[Singleplayer.activeIndex1].StartPosition.X;
}
else
{
deltaXRight = Singleplayer.player.Position.X - currentMaps[Singleplayer.activeIndex2].StartPosition.X;
deltaXLeft = Singleplayer.player.Position.X - currentMaps[Singleplayer.activeIndex1].StartPosition.X;
}
//change indices if necessary
if (deltaXRight > switchRange)
{
Singleplayer.activeIndex1 = (int)MathHelper.Clamp(Singleplayer.activeIndex1 + 1, 0, currentMaps.Length - 2);
Singleplayer.activeIndex2 = (int)MathHelper.Clamp(Singleplayer.activeIndex2 + 1, 1, currentMaps.Length - 1);
}
if (deltaXLeft < switchRange)
{
Singleplayer.activeIndex1 = (int)MathHelper.Clamp(Singleplayer.activeIndex1 - 1, 0, currentMaps.Length - 2);
Singleplayer.activeIndex2 = (int)MathHelper.Clamp(Singleplayer.activeIndex2 - 1, 1, currentMaps.Length - 1);
}
}
public static List<Tile> getVisibleTiles(Tilemap[] currentMaps)
{
int i1 = Singleplayer.activeIndex1;
int i2 = Singleplayer.activeIndex2;
List<Tile> result = new List<Tile>();
foreach (Tile t in currentMaps[i1].TileList)
{
//slightly larger Frustum than Camera2D.BoundingFrustum to prevent clipping errors
Matrix clippView = Matrix.CreateLookAt(Camera2D.FrustumPosition + new Vector3(0, 0, 50), Camera2D.FrustumTarget, Vector3.Up);
BoundingFrustum clippingFrus = new BoundingFrustum(clippView * Camera2D.ProjectionMatrix);
if (clippingFrus.Intersects(t.Boundary))
{
result.Add(t);
}
}
foreach (Tile t in currentMaps[i2].TileList)
{
//slightly larger Frustum than Camera2D.BoundingFrustum to prevent clipping errors
Matrix clippView = Matrix.CreateLookAt(Camera2D.FrustumPosition + new Vector3(0, 0, 50), Camera2D.FrustumTarget, Vector3.Up);
BoundingFrustum clippingFrus = new BoundingFrustum(clippView * Camera2D.ProjectionMatrix);
if (clippingFrus.Intersects(t.Boundary))
{
result.Add(t);
}
}
return result;
}