public override void UpdateTileAt(int x, int y)
{
int index = x + y * tileMap.Width;
SpriteRenderer current = spriteMap[index];
if (current == null)
{
current = new GameObject(string.Format("[{0}, {1}]", x, y)).AddComponent <SpriteRenderer>();
current.transform.SetParent(parent);
spriteMap[index] = current;
}
ScriptableTile tile = tileMap.GetTileAt(x, y);
current.sprite = tile ? tile.GetSprite(tileMap, new Point(x, y)) : null;
current.transform.localPosition = new Vector2(x, y) + (tile ?
new Vector2(current.sprite.pivot.x / current.sprite.rect.width,
current.sprite.pivot.y / current.sprite.rect.height) : Vector2.zero);
current.transform.localScale = Vector2.one;
current.sharedMaterial = material;
current.color = color;
current.sortingLayerID = sortingLayer;
current.sortingOrder = orderInLayer;
current.gameObject.SetActive(tile != null);
}
public void UpdateTile(int x, int y)
{
int index = x + y * tileMap.Width;
SpriteRenderer current = spriteMap [index];
if (current == null)
{
current = new GameObject(string.Format("[{0}, {1}]", x, y), typeof(PolygonCollider2D)).AddComponent <SpriteRenderer>();
current.transform.position = new Vector2(x, y);
current.transform.localScale = Vector2.one;
current.transform.SetParent(transform);
current.gameObject.hideFlags = HideFlags.HideInHierarchy;
current.sharedMaterial = material;
current.color = color;
spriteMap [index] = current;
}
ScriptableTile tile = tileMap.GetTileAt(x, y);
if (current.GetComponent <PolygonCollider2D> ())
{
DestroyImmediate(current.GetComponent <PolygonCollider2D> ());
}
current.sprite = tile ? tile.GetSprite(tileMap, new Point(x, y)) : null;
if (current.sprite)
{
current.gameObject.AddComponent <PolygonCollider2D> ();
}
}
public override void UpdateTileAt(int x, int y)
{
//var currentTexture = textureAtlas;
ScriptableTile tile = tileMap.GetTileAt(x, y);
int quadIndex = x + y * tileMap.Width;
quadIndex *= 4;
var uv = meshFilter.sharedMesh.uv;
if (tile == null)
{
uv[quadIndex] = uv[quadIndex + 1] = uv[quadIndex + 2] = uv[quadIndex + 3] = Vector2.zero;
meshFilter.sharedMesh.uv = uv;
return;
}
Vector2[] prevUVs = new Vector2[] {
uv[quadIndex],
uv[quadIndex + 1],
uv[quadIndex + 2],
uv[quadIndex + 3]
};
Sprite sprite = tile.GetSprite(tileMap, new Point(x, y));
bool atlasUpdated = AddSpriteToAtlas(sprite);
// assign four uv coordinates to change the texture of one tile (one quad, two triangels)
Rect spriteRect = rects[spriteList.IndexOf(sprite)];
Vector2[] newUVs = new Vector2[] {
new Vector2(spriteRect.xMin, spriteRect.yMin),
new Vector2(spriteRect.xMax, spriteRect.yMin),
new Vector2(spriteRect.xMin, spriteRect.yMax),
new Vector2(spriteRect.xMax, spriteRect.yMax)
};
if (!newUVs.SequenceEqual(prevUVs))
{
uv[quadIndex] = newUVs[0];
uv[quadIndex + 1] = newUVs[1];
uv[quadIndex + 2] = newUVs[2];
uv[quadIndex + 3] = newUVs[3];
meshFilter.sharedMesh.uv = uv;
if (atlasUpdated)
{
//FIXME so that it only updates tiles who have changed uvs
tileMap.UpdateType(tile);
}
}
}