public static Point2D GetHeightMapXYForPos(Vector3 worldPos, out Point2D tileCoord, out Point2D chunkCoord)
{
float tileFraction1 = PositionUtil.GetTileFraction(worldPos.X);
float tileFraction2 = PositionUtil.GetTileFraction(worldPos.Y);
int tileX = (int)tileFraction1;
int tileY = (int)tileFraction2;
PositionUtil.VerifyTileCoords(tileX, tileY);
tileCoord = new Point2D()
{
X = tileX, Y = tileY
};
float chunkFraction1 = PositionUtil.GetChunkFraction(tileFraction1);
float chunkFraction2 = PositionUtil.GetChunkFraction(tileFraction2);
int chunkX = (int)chunkFraction1;
int chunkY = (int)chunkFraction2;
PositionUtil.VerifyPoint2D(worldPos, tileX, tileY, chunkX, chunkY);
chunkCoord = new Point2D()
{
X = chunkX, Y = chunkY
};
int heightMapFraction1 = (int)PositionUtil.GetHeightMapFraction(chunkFraction1);
int heightMapFraction2 = (int)PositionUtil.GetHeightMapFraction(chunkFraction2);
return(new Point2D()
{
X = heightMapFraction1,
Y = heightMapFraction2
});
}
public static void GetChunkXYForPos(Vector3 worldPos, out int chunkX, out int chunkY)
{
float tileFraction1 = PositionUtil.GetTileFraction(worldPos.X);
float tileFraction2 = PositionUtil.GetTileFraction(worldPos.Y);
chunkX = (int)PositionUtil.GetChunkFraction(tileFraction1);
chunkY = (int)PositionUtil.GetChunkFraction(tileFraction2);
}
public static Point2D GetTileXYForPos(Vector3 worldPos)
{
int tileFraction1 = (int)PositionUtil.GetTileFraction(worldPos.X);
int tileFraction2 = (int)PositionUtil.GetTileFraction(worldPos.Y);
PositionUtil.VerifyTileCoords(tileFraction1, tileFraction2);
return(new Point2D()
{
X = tileFraction1,
Y = tileFraction2
});
}
public static HeightMapFraction GetHeightMapFraction(Vector3 worldPos, out Point2D tileCoord,
out Point2D chunkCoord, out Point2D unitCoord)
{
float tileFraction1 = PositionUtil.GetTileFraction(worldPos.X);
float tileFraction2 = PositionUtil.GetTileFraction(worldPos.Y);
int tileX = (int)tileFraction1;
int tileY = (int)tileFraction2;
PositionUtil.VerifyTileCoords(tileX, tileY);
tileCoord = new Point2D()
{
X = tileX, Y = tileY
};
float chunkFraction1 = PositionUtil.GetChunkFraction(tileFraction1);
float chunkFraction2 = PositionUtil.GetChunkFraction(tileFraction2);
int chunkX = (int)chunkFraction1;
int chunkY = (int)chunkFraction2;
PositionUtil.VerifyPoint2D(worldPos, tileX, tileY, chunkX, chunkY);
chunkCoord = new Point2D()
{
X = chunkX, Y = chunkY
};
float heightMapFraction1 = PositionUtil.GetHeightMapFraction(chunkFraction1);
float heightMapFraction2 = PositionUtil.GetHeightMapFraction(chunkFraction2);
int heightMapX = (int)heightMapFraction1;
int heightMapY = (int)heightMapFraction2;
PositionUtil.VerifyHeightMapCoord(worldPos, tileX, tileY, chunkX, chunkY, heightMapX, heightMapY);
unitCoord = new Point2D()
{
X = heightMapX,
Y = heightMapY
};
return(new HeightMapFraction()
{
FractionX = heightMapFraction1 - (float)heightMapX,
FractionY = heightMapFraction2 - (float)heightMapY
});
}
public static Point2D GetXYForPos(Vector3 worldPos, out Point2D tileCoord)
{
float tileFraction1 = PositionUtil.GetTileFraction(worldPos.X);
float tileFraction2 = PositionUtil.GetTileFraction(worldPos.Y);
int tileX = (int)tileFraction1;
int tileY = (int)tileFraction2;
PositionUtil.VerifyTileCoords(tileX, tileY);
tileCoord = new Point2D()
{
X = tileX, Y = tileY
};
int chunkFraction1 = (int)PositionUtil.GetChunkFraction(tileFraction1);
int chunkFraction2 = (int)PositionUtil.GetChunkFraction(tileFraction2);
PositionUtil.VerifyPoint2D(worldPos, (int)tileFraction1, (int)tileFraction2, chunkFraction1,
chunkFraction2);
return(new Point2D()
{
X = chunkFraction1,
Y = chunkFraction2
});
}
/// <summary>
/// Calculates which Tile the given position belongs to on a Map.
/// </summary>
/// <param name="worldPos">Calculate the Tile coords for this position.</param>
/// <param name="tileX">Set to the X coordinate of the tile.</param>
/// <param name="tileY">Set to the Y coordinate of the tile.</param>
/// <returns>True if the tile (X, Y) is valid.</returns>
public static bool GetTileXYForPos(Vector3 worldPos, out int tileX, out int tileY)
{
tileX = (int)PositionUtil.GetTileFraction(worldPos.X);
tileY = (int)PositionUtil.GetTileFraction(worldPos.Y);
return(PositionUtil.VerifyTileCoords(tileX, tileY));
}
