virtual bool init() override
{
Size size = Director::getInstance()->getVisibleSize();
m_renderTexture = RenderTexture::create(size.width, size.height);
if (!m_renderTexture)
return false;
m_renderTexture->retain();
m_renderTexture->setKeepMatrix(true);
m_renderTexture->setAnchorPoint(Vec2::ZERO);
m_renderTexture->getSprite()->setAnchorPoint(Vec2::ZERO);
return Node::init();
}
// TransitionProgress
void TransitionProgress::onEnter()
{
TransitionScene::onEnter();
setupTransition();
// create a transparent color layer
// in which we are going to add our rendertextures
Size size = Director::getInstance()->getWinSize();
// create the second render texture for outScene
RenderTexture *texture = RenderTexture::create((int)size.width, (int)size.height);
texture->getSprite()->setAnchorPoint(Vector2(0.5f,0.5f));
texture->setPosition(Vector2(size.width/2, size.height/2));
texture->setAnchorPoint(Vector2(0.5f,0.5f));
// render outScene to its texturebuffer
texture->beginWithClear(0, 0, 0, 1);
_sceneToBeModified->visit();
texture->end();
// Since we've passed the outScene to the texture we don't need it.
if (_sceneToBeModified == _outScene)
{
hideOutShowIn();
}
// We need the texture in RenderTexture.
ProgressTimer *node = progressTimerNodeWithRenderTexture(texture);
// create the blend action
ActionInterval* layerAction = (ActionInterval*)Sequence::create(
ProgressFromTo::create(_duration, _from, _to),
CallFunc::create(CC_CALLBACK_0(TransitionScene::finish,this)),
nullptr);
// run the blend action
node->runAction(layerAction);
// add the layer (which contains our two rendertextures) to the scene
addChild(node, 2, kSceneRadial);
}
void TransitionCrossFade::onEnter()
{
TransitionScene::onEnter();
// create a transparent color layer
// in which we are going to add our rendertextures
Color4B color(0,0,0,0);
Size size = _director->getWinSize();
LayerColor* layer = LayerColor::create(color);
// create the first render texture for inScene
RenderTexture* inTexture = RenderTexture::create((int)size.width, (int)size.height,Texture2D::PixelFormat::RGBA8888,GL_DEPTH24_STENCIL8);
if (nullptr == inTexture)
{
return;
}
inTexture->getSprite()->setAnchorPoint( Vec2::ANCHOR_MIDDLE );
inTexture->setPosition(size.width/2, size.height/2);
inTexture->setAnchorPoint( Vec2::ANCHOR_MIDDLE );
// render inScene to its texturebuffer
inTexture->begin();
_inScene->visit();
inTexture->end();
// create the second render texture for outScene
RenderTexture* outTexture = RenderTexture::create((int)size.width, (int)size.height,Texture2D::PixelFormat::RGBA8888,GL_DEPTH24_STENCIL8);
outTexture->getSprite()->setAnchorPoint( Vec2::ANCHOR_MIDDLE );
outTexture->setPosition(size.width/2, size.height/2);
outTexture->setAnchorPoint( Vec2::ANCHOR_MIDDLE );
// render outScene to its texturebuffer
outTexture->begin();
_outScene->visit();
outTexture->end();
// create blend functions
BlendFunc blend1 = {GL_ONE, GL_ONE}; // inScene will lay on background and will not be used with alpha
BlendFunc blend2 = {GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA}; // we are going to blend outScene via alpha
// set blendfunctions
inTexture->getSprite()->setBlendFunc(blend1);
outTexture->getSprite()->setBlendFunc(blend2);
// add render textures to the layer
layer->addChild(inTexture);
layer->addChild(outTexture);
// initial opacity:
inTexture->getSprite()->setOpacity(255);
outTexture->getSprite()->setOpacity(255);
// create the blend action
Action* layerAction = Sequence::create
(
FadeTo::create(_duration, 0),
CallFunc::create(CC_CALLBACK_0(TransitionScene::hideOutShowIn,this)),
CallFunc::create(CC_CALLBACK_0(TransitionScene::finish,this)),
nullptr
);
// run the blend action
outTexture->getSprite()->runAction( layerAction );
// add the layer (which contains our two rendertextures) to the scene
addChild(layer, 2, kSceneFade);
}
