Animation reset color and opacity of Sprite

[noprops]

When I change color or opacity of Sprite and run Animate, color and opacity will be back to default in every setSpriteFrame.
This happens only if TexturePacker algorithm is polygon.

http://discuss.cocos2d-x.org/t/animation-reset-color-and-opacity-of-sprite/29452

[felippeduran]

Any progress in this issue? I have the same problem here (cocos2dx 3.12). Besides, it seems that Animate/Animation resets flippedX and flippedY properties too (or just ignores them).

[felippeduran]

I've found that this issue is related to setSpriteFrame method in CCSprite and seems to be indeed a bug:

void Sprite::setSpriteFrame(SpriteFrame *spriteFrame)
{
    // retain the sprite frame
    // do not removed by SpriteFrameCache::removeUnusedSpriteFrames
    if (_spriteFrame != spriteFrame)
    {
        CC_SAFE_RELEASE(_spriteFrame);
        _spriteFrame = spriteFrame;
        spriteFrame->retain();
    }
    _unflippedOffsetPositionFromCenter = spriteFrame->getOffset();

    Texture2D *texture = spriteFrame->getTexture();
    // update texture before updating texture rect
    if (texture != _texture)
    {
        setTexture(texture);
    }

    // update rect
    _rectRotated = spriteFrame->isRotated();
    setTextureRect(spriteFrame->getRect(), _rectRotated, spriteFrame->getOriginalSize());

    if(spriteFrame->hasPolygonInfo())
    {
        _polyInfo = spriteFrame->getPolygonInfo();
    }
    if (spriteFrame->hasAnchorPoint())
    {
        setAnchorPoint(spriteFrame->getAnchorPoint());
    }
}

Every frame, _polyInfo is reset and flipped vertices and color info are lost.

I've managed to fix the issue by making the following changes to setSpriteFrame method:

    if(spriteFrame->hasPolygonInfo())
    {
        _polyInfo = spriteFrame->getPolygonInfo();
        if (_flippedX) flipX();
        if (_flippedY) flipY();
        updateColor();
    }

And refactored setFlippedX and setFlippedY to the following:

void Sprite::setFlippedX(bool flippedX)
{
    if (_flippedX != flippedX)
    {
        _flippedX = flippedX;
        flipX();
    }
}

void Sprite::setFlippedY(bool flippedY)
{
    if (_flippedY != flippedY)
    {
        _flippedY = flippedY;
        flipY();
    }
}

void Sprite::flipX() {
    for (ssize_t i = 0; i < _polyInfo.triangles.vertCount; i++) {
        auto& v = _polyInfo.triangles.verts[i].vertices;
        v.x = _contentSize.width -v.x;
    }
    if (_textureAtlas) {
        setDirty(true);
    }
}

void Sprite::flipY() {
    for (ssize_t i = 0; i < _polyInfo.triangles.vertCount; i++) {
        auto& v = _polyInfo.triangles.verts[i].vertices;
        v.y = _contentSize.height -v.y;
    }
    if (_textureAtlas) {
        setDirty(true);
    }
}

Hope this issue gets officially fixed in an upcoming release.