void CCMenuItemSprite::setAnchorPoint(cocos2d::CCPoint const & anchorPoint) {
CCMenuItem::setAnchorPoint(anchorPoint);
if (m_pNormalImage) {
m_pNormalImage->setAnchorPoint(anchorPoint);
m_pNormalImage->setPosition(ccpCompMult(ccpFromSize(this->getContentSize()), this->getAnchorPoint()));
}
if (m_pSelectedImage) {
m_pSelectedImage->setAnchorPoint(anchorPoint);
m_pSelectedImage->setPosition(ccpCompMult(ccpFromSize(this->getContentSize()), this->getAnchorPoint()));
}
if (m_pDisabledImage) {
m_pDisabledImage->setAnchorPoint(anchorPoint);
m_pDisabledImage->setPosition(ccpCompMult(ccpFromSize(this->getContentSize()), this->getAnchorPoint()));
}
}
// Used with box2d style velocity (m/s where m = 32 pixels), but box2d is not required
void CCParallaxScrollNode::updateWithVelocity(Point vel, float dt)
{
vel = vel * PTM_RATIO;
for (int i = 0; i < _scrollOffsets.size(); i ++)
{
CCParallaxScrollOffset *scrollOffset = (CCParallaxScrollOffset*) _scrollOffsets.at(i);
Point relVel = scrollOffset->getRelVelocity() * PTM_RATIO;
Point totalVel = vel + relVel;
Point offset = ccpCompMult((totalVel * dt), scrollOffset->getRatio());
Node *child = scrollOffset->getTheChild();
child->setPosition(child->getPosition() + offset);
if ( (offset.x < 0 && child->getPosition().x + child->getContentSize().width < 0) ||
(offset.x > 0 && child->getPosition().x > _range.width) ) {
child->setPosition((child->getPosition() + Point(-SIGN(offset.x) * fabs(scrollOffset->getScrollOffset().x), 0)));
}
// Positive y indicates upward movement in cocos2d
if ( (offset.y < 0 && child->getPosition().y + child->getContentSize().height < 0) ||
(offset.y > 0 && child->getPosition().y > _range.height) ) {
child->setPosition((child->getPosition() + Point(0, -SIGN(offset.y) * fabs(scrollOffset->getScrollOffset().y))));
}
}
}
// Used with box2d style velocity (m/s where m = 32 pixels), but box2d is not required
void CCParallaxScrollNode::updateWithVelocity(CCPoint vel, float dt)
{
vel = ccpMult(vel, PTM_RATIO);
// CCLog("count: %i", _scrollOffsets->count());
CCObject* object;
CCARRAY_FOREACH(_scrollOffsets, object)
{
CCParallaxScrollOffset* scrollOffset = dynamic_cast<CCParallaxScrollOffset*>(object);
CCPoint relVel = ccpMult(scrollOffset->getRelVelocity(), PTM_RATIO);
CCPoint totalVel = ccpAdd(vel, relVel);
CCPoint offset = ccpCompMult(ccpMult(totalVel, dt), scrollOffset->getRatio());
CCNode *child = scrollOffset->getTheChild();
child->setPosition(ccpAdd(child->getPosition(), offset));
if ( (offset.x < 0 && child->getPosition().x + child->getContentSize().width < 0) ||
(offset.x > 0 && child->getPosition().x > _range.width) ) {
child->setPosition(ccpAdd(child->getPosition(), ccp(-SIGN(offset.x) * fabs(scrollOffset->getScrollOffset().x), 0)));
}
// Positive y indicates upward movement in cocos2d
if ( (offset.y < 0 && child->getPosition().y + child->getContentSize().height < 0) ||
(offset.y > 0 && child->getPosition().y > _range.height) ) {
child->setPosition(ccpAdd(child->getPosition(), ccp(0, -SIGN(offset.y) * fabs(scrollOffset->getScrollOffset().y))));
}
}
void CCParallaxScrollNode::updateWithVelocity(const CCPoint &vel, float dt) {
CCSize screen = CCDirector::sharedDirector()->getWinSize();
CCPoint vel2 = ccpMult(vel, PTM_RATIO);
for (int i=scrollOffsets->num - 1; i >= 0; i--) {
CCParallaxScrollOffset *scrollOffset = (CCParallaxScrollOffset*)scrollOffsets->arr[i];
CCNode *child = scrollOffset->getChild();
CCPoint relVel = ccpMult(scrollOffset->getRelVelocity(), PTM_RATIO);
CCPoint totalVel = ccpAdd(vel2, relVel);
CCPoint tmp = ccpMult(totalVel, dt);
CCPoint offset = ccpCompMult(tmp, scrollOffset->getRatio());
child->setPosition(ccpAdd(child->getPosition(), offset));
if ( (vel2.x < 0 && child->getPosition().x + child->getContentSize().width < 0) ||
(vel2.x > 0 && child->getPosition().x > screen.width) ) {
child->setPosition(ccpAdd(child->getPosition(), ccp(-SIGN(vel2.x) * fabs(scrollOffset->getScrollOffset().x), 0)));
}
// Positive y indicates upward movement in cocos2d
if ( (vel2.y < 0 && child->getPosition().y + child->getContentSize().height < 0) ||
(vel2.y > 0 && child->getPosition().y > screen.height) ) {
child->setPosition(ccpAdd(child->getPosition(), ccp(0, -SIGN(vel2.y) * fabs(scrollOffset->getScrollOffset().y))));
}
}
}
void CCMenuItemSprite::setDisabledImage(CCNode* pImage)
{
if (pImage != m_pNormalImage)
{
if (pImage)
{
addChild(pImage, 0, kDisableTag);
pImage->setAnchorPoint(this->getAnchorPoint());
pImage->setPosition(ccpCompMult(ccpFromSize(this->getContentSize()), this->getAnchorPoint()));
}
if (m_pDisabledImage)
{
removeChild(m_pDisabledImage, true);
}
m_pDisabledImage = pImage;
this->updateImagesVisibility();
}
}
