/// <summary>
/// From world to grid
/// </summary>
public static Vector2Int GetGridPosition(ptTilemap tilemap, Vector2 locPosition)
{
int x = Mathf.FloorToInt(locPosition.x / tilemap.CellSize.x + ptTilemap.CHUNK_SIZE_X / 2f);
int y = Mathf.FloorToInt(locPosition.y / tilemap.CellSize.y + ptTilemap.CHUNK_SIZE_Y / 2f);
return(new Vector2Int(x, y));
}
public void Init(ptTilemap ptTilemap)
{
this.ptTilemap = ptTilemap;
spriteRenderer = gameObject.AddComponent <SpriteRenderer>();
defaultMat = new Material(Shader.Find("Sprites/Default"));
texture = new Texture2D(ptTilemap.CHUNK_SIZE_X, ptTilemap.CHUNK_SIZE_Y);
texture.filterMode = FilterMode.Point;
var sp = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f), 1);
colors = new Color[ptTilemap.CHUNK_SIZE_X * ptTilemap.CHUNK_SIZE_Y];
spriteRenderer.sprite = sp;
UpdateRenderer();
UpdateColliderActive();
Fill(Color.clear);
}
/// <summary>
/// From world x to grid x
/// </summary>
public static int GetGridY(ptTilemap tilemap, Vector2 locPosition)
{
return(GetGridY(locPosition, tilemap.CellSize));
}
/// <summary>
/// From grid to world
/// </summary>
/// <returns></returns>
public static Vector3 GetGridWorldPos(ptTilemap tilemap, int gridX, int gridY)
{
return(tilemap.transform.TransformPoint(new Vector2((gridX + .5f) * tilemap.CellSize.x, (gridY + .5f) * tilemap.CellSize.y)));
}