//动画表情：重新计算uv
private bool RecaculateAnimSpriteMesh(URichTextSpriteMeshInfo meshInfo)
{
int spriteID = 0;
if (mainTexture == null)
{
return(false);
}
Data.AnimSpriteConfig.SSchemeAnimFrameData frameData = Data.AnimSpriteConfig.AnimSpriteConfig.Instance.GetData(meshInfo.animKey);
Rect newSpriteRect = frameData.GetFrameRect(meshInfo.spriteIndex);//sInfo.rect;
//由于位置不变，改变uv即可
//由于uv原点在左下角，但一般算sprite 坐标时按左上角，所以翻转一下
Vector2 newTexSize = new Vector2(m_mainTexture.width, m_mainTexture.height);
meshInfo.uvs[3] = new Vector2(newSpriteRect.x / newTexSize.x, 1 - (newSpriteRect.y + newSpriteRect.height) / newTexSize.y);
//new Vector2(newSpriteRect.x / newTexSize.x, newSpriteRect.y / newTexSize.y);
meshInfo.uvs[1] = new Vector2((newSpriteRect.x + newSpriteRect.width) / newTexSize.x, 1 - newSpriteRect.y / newTexSize.y);
//new Vector2((newSpriteRect.x + newSpriteRect.width) / newTexSize.x, (newSpriteRect.y + newSpriteRect.height) / newTexSize.y);
meshInfo.uvs[2] = new Vector2((newSpriteRect.x + newSpriteRect.width) / newTexSize.x, 1 - (newSpriteRect.y + newSpriteRect.height) / newTexSize.y);
//new Vector2((newSpriteRect.x + newSpriteRect.width) / newTexSize.x, newSpriteRect.y / newTexSize.y);
meshInfo.uvs[0] = new Vector2(newSpriteRect.x / newTexSize.x, 1 - newSpriteRect.y / newTexSize.y);
//new Vector2(newSpriteRect.x / newTexSize.x, (newSpriteRect.y + newSpriteRect.height) / newTexSize.y);
return(true);
}
