void AnchorIndicatorGraphicsItem::updateAnchorIndicator(const AnchorLine &sourceAnchorLine, const AnchorLine targetAnchorLine)
{
m_sourceAnchorLineType = sourceAnchorLine.type();
m_targetAnchorLineType = targetAnchorLine.type();
m_startPoint = createAnchorPoint(sourceAnchorLine.qmlItemNode(), sourceAnchorLine.type());
if (targetAnchorLine.qmlItemNode() == sourceAnchorLine.qmlItemNode().instanceParentItem())
m_endPoint = createParentAnchorPoint(targetAnchorLine.qmlItemNode(), targetAnchorLine.type(), sourceAnchorLine.qmlItemNode());
else
m_endPoint = createAnchorPoint(targetAnchorLine.qmlItemNode(), targetAnchorLine.type());
m_firstControlPoint = createControlPoint(m_startPoint, sourceAnchorLine.type(), m_endPoint);
m_secondControlPoint = createControlPoint(m_endPoint, targetAnchorLine.type(), m_startPoint);
updateAnchorLinePoints(&m_sourceAnchorLineFirstPoint, &m_sourceAnchorLineSecondPoint, sourceAnchorLine);
updateAnchorLinePoints(&m_targetAnchorLineFirstPoint, &m_targetAnchorLineSecondPoint, targetAnchorLine);
updateBoundingRect();
update();
}
bool LayerAnimationStudy10::init()
{
if (!LayerColor::initWithColor(Color4B::WHITE))
{
return false;
}
Size winSize = Director::getInstance()->getWinSize();
Sprite* pItemSprite = Sprite::create("res/ui/coin.png");
pItemSprite->setPosition(100.0f,300.0f);
addChild(pItemSprite);
PointArray* pPtArray = PointArray::create(10);
pPtArray->addControlPoint(Vec2(winSize.width*0.5f, 50));
pPtArray->addControlPoint(Vec2(winSize.width-80.0f,120));
pPtArray->addControlPoint(Vec2(winSize.width-80,winSize.height-80));
pPtArray->addControlPoint(Vec2(50.0f,winSize.height-80));
pPtArray->addControlPoint(Vec2(50.0f, 120));
pPtArray->addControlPoint(Vec2(winSize.width*0.5f, 50));
int referenceCount = (int)pPtArray->getControlPoints()->size(); // 6个
for (int i=0; i<referenceCount; ++i)
{
Vec2 ptItem = pPtArray->getControlPointAtIndex(i);
createControlPoint(ptItem);
}
pItemSprite->setPosition(pPtArray->getControlPointAtIndex(0));
DrawNode* pDrawNode = DrawNode::create();
addChild(pDrawNode);
pDrawNode->drawCatmullRom(pPtArray, 100, Color4F::GREEN);
pDrawNode->setVisible(false);
TargetedAction* pTargetAction = TargetedAction::create(pItemSprite, CatmullRomTo::create(3.0f, pPtArray));
this->runAction(Sequence::create(DelayTime::create(1.0f), pTargetAction, nullptr));
return true;
}