mirror of https://github.com/axmolengine/axmol.git
Merge branch 'feature/elastic_inertia_scroll' into feature/elastic_scrollview
Apply elastic movement to inertia scroll
This commit is contained in:
Neo Kim
commit
ff5dbd5a52
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@ -29,38 +29,16 @@ NS_CC_BEGIN
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namespace ui {
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static const float AUTOSCROLLMAXSPEED = 1000.0f;
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static const float INERTIA_DEACCELERATION = 3000.0f;
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static const float BOUNCE_BACK_DURATION = 0.3f;
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static char LOG_BUFFER[256];
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char* time()
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static long long getTimestamp()
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{
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int nBufferLength = 256;
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// Get current local time
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struct tm* ptm = NULL;
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struct timeval tv;
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{
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gettimeofday (&tv, NULL);
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ptm = localtime (&tv.tv_sec);
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}
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// Format the date and time, down to a single second.
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strftime (LOG_BUFFER, nBufferLength, "%Y-%m-%d %H:%M:%S", ptm);
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size_t nCurrentLength = strlen(LOG_BUFFER);
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// Compute milliseconds from microseconds.
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long lMilliseconds = tv.tv_usec / 1000;
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snprintf(LOG_BUFFER + nCurrentLength, nBufferLength - nCurrentLength, ".%03ld", lMilliseconds);
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return LOG_BUFFER;
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gettimeofday (&tv, NULL);
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return tv.tv_sec * 1000 + tv.tv_usec / 1000;
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}
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const Vec2 SCROLLDIR_UP(0.0f, 1.0f);
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const Vec2 SCROLLDIR_DOWN(0.0f, -1.0f);
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const Vec2 SCROLLDIR_LEFT(-1.0f, 0.0f);
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const Vec2 SCROLLDIR_RIGHT(1.0f, 0.0f);
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IMPLEMENT_CLASS_GUI_INFO(ScrollView)
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ScrollView::ScrollView():
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@ -70,21 +48,19 @@ _topBoundary(0.0f),
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_bottomBoundary(0.0f),
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_leftBoundary(0.0f),
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_rightBoundary(0.0f),
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_autoScroll(false),
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_autoScrollAddUpTime(0.0f),
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_autoScrollOriginalSpeed(0.0f),
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_autoScrollAcceleration(-1000.0f),
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_isAutoScrollSpeedAttenuated(false),
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_needCheckAutoScrollDestination(false),
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_bePressed(false),
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_slidTime(0.0f),
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_childFocusCancelOffset(5.0f),
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_inertiaScrollEnabled(true),
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_inertiaScrolling(false),
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_inertiaPrevTouchTimestamp(0),
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_inertiaScrollExpectedTime(0),
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_inertiaScrollElapsedTime(0),
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_autoScrolling(false),
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_autoScrollAttenuate(true),
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_autoScrollDuration(0),
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_autoScrollAccumulatedTime(0),
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_bounceEnabled(false),
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_bouncingBack(false),
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_bounceBackAttenuate(true),
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_bounceBackDuration(0),
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_bounceBackAccumulatedTime(0),
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_inertiaScrollEnabled(true),
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_scrollViewEventListener(nullptr),
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_scrollViewEventSelector(nullptr),
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_eventCallback(nullptr)
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@ -289,56 +265,6 @@ void ScrollView::moveChildren(float offsetX, float offsetY)
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_innerContainer->setPosition(position);
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}
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void ScrollView::autoScrollChildren(float dt)
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{
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float lastTime = _autoScrollAddUpTime;
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_autoScrollAddUpTime += dt;
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if (_isAutoScrollSpeedAttenuated)
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{
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float nowSpeed = _autoScrollOriginalSpeed + _autoScrollAcceleration * _autoScrollAddUpTime;
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if (nowSpeed <= 0.0f)
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{
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stopAutoScrollChildren();
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startBounceBackIfNeeded();
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}
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else
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{
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float timeParam = lastTime * 2 + dt;
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float offset = (_autoScrollOriginalSpeed + _autoScrollAcceleration * timeParam * 0.5f) * dt;
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float offsetX = offset * _autoScrollDir.x;
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float offsetY = offset * _autoScrollDir.y;
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if (!scrollChildren(offsetX, offsetY))
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{
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stopAutoScrollChildren();
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startBounceBackIfNeeded();
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}
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}
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}
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else
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{
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if (_needCheckAutoScrollDestination)
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{
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float xOffset = _autoScrollDir.x * dt * _autoScrollOriginalSpeed;
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float yOffset = _autoScrollDir.y * dt * _autoScrollOriginalSpeed;
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bool notDone = checkCustomScrollDestination(&xOffset, &yOffset);
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bool scrollCheck = scrollChildren(xOffset, yOffset);
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if (!notDone || !scrollCheck)
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{
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stopAutoScrollChildren();
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startBounceBackIfNeeded();
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}
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}
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else
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{
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if (!scrollChildren(_autoScrollDir.x * dt * _autoScrollOriginalSpeed, _autoScrollDir.y * dt * _autoScrollOriginalSpeed))
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{
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stopAutoScrollChildren();
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startBounceBackIfNeeded();
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}
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}
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}
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}
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bool ScrollView::startBounceBackIfNeeded()
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{
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if (!_bounceEnabled)
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@ -346,18 +272,14 @@ bool ScrollView::startBounceBackIfNeeded()
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return false;
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}
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_bounceBackTargetDelta = getHowMuchOutOfBoundary(Vec2::ZERO);
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if(_bounceBackTargetDelta == Vec2::ZERO)
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Vec2 outOfBoundary = getHowMuchOutOfBoundary(Vec2::ZERO);
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if(outOfBoundary == Vec2::ZERO)
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{
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return false;
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}
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_bouncingBack = true;
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_bounceBackAttenuate = true;
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_bounceBackStartPosition = _innerContainer->getPosition();
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_bounceBackDuration = DEFAULT_BOUNCE_BACK_DURATION;
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_bounceBackAccumulatedTime = 0;
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startAutoScroll(outOfBoundary, BOUNCE_BACK_DURATION, true);
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return true;
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}
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@ -385,41 +307,45 @@ Vec2 ScrollView::getHowMuchOutOfBoundary(const Vec2& addition) const
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return result;
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}
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void ScrollView::processBounceBack(float deltaTime)
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void ScrollView::processAutoScrolling(float deltaTime)
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{
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_bounceBackAccumulatedTime += deltaTime;
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float percentage = _bounceBackAccumulatedTime / _bounceBackDuration;
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_autoScrollAccumulatedTime += deltaTime;
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float percentage = _autoScrollAccumulatedTime / _autoScrollDuration;
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if(percentage >= 1)
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{
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_innerContainer->setPosition(_bounceBackStartPosition + _bounceBackTargetDelta);
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_innerContainer->setPosition(_autoScrollStartPosition + _autoScrollTargetDelta);
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_autoScrolling = false;
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_bouncingBack = false;
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}
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else
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{
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if(_bounceBackAttenuate)
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if(_autoScrollAttenuate)
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{
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percentage = tweenfunc::expoEaseOut(percentage);
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}
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Vec2 moveDelta = _bounceBackTargetDelta * percentage;
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Vec2 moveDelta = _autoScrollTargetDelta * percentage;
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// Dispatch related events
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if(moveDelta.x > 0)
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// Dispatch related events if bouncing
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if(_bouncingBack)
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{
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processScrollEvent(MoveDirection::RIGHT, true);
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if(moveDelta.x > 0)
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{
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processScrollEvent(MoveDirection::RIGHT, true);
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}
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else if(moveDelta.x < 0)
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{
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processScrollEvent(MoveDirection::LEFT, true);
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}
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if(moveDelta.y > 0)
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{
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processScrollEvent(MoveDirection::TOP, true);
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}
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else if(moveDelta.y < 0)
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{
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processScrollEvent(MoveDirection::BOTTOM, true);
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}
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}
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else if(moveDelta.x < 0)
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{
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processScrollEvent(MoveDirection::LEFT, true);
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}
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if(moveDelta.y > 0)
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{
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processScrollEvent(MoveDirection::TOP, true);
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}
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else if(moveDelta.y < 0)
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{
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processScrollEvent(MoveDirection::BOTTOM, true);
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}
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_innerContainer->setPosition(_bounceBackStartPosition + moveDelta);
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_innerContainer->setPosition(_autoScrollStartPosition + moveDelta);
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}
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}
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@ -444,35 +370,19 @@ bool ScrollView::isOutOfBoundaryLeftOrRight() const
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return isOutOfBoundary(MoveDirection::LEFT) || isOutOfBoundary(MoveDirection::RIGHT);
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}
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void ScrollView::startAutoScrollChildrenWithOriginalSpeed(const Vec2& dir, float v, bool attenuated, float acceleration)
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void ScrollView::startAutoScroll(const Vec2& deltaMove, float duration, bool attenuated)
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{
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stopAutoScrollChildren();
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_autoScrollDir = dir;
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_isAutoScrollSpeedAttenuated = attenuated;
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_autoScrollOriginalSpeed = v;
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_autoScroll = true;
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_autoScrollAcceleration = acceleration;
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_autoScrolling = true;
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_autoScrollTargetDelta = deltaMove;
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_autoScrollAttenuate = attenuated;
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_autoScrollStartPosition = _innerContainer->getPosition();
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_autoScrollDuration = duration;
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_autoScrollAccumulatedTime = 0;
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}
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void ScrollView::startAutoScrollChildrenWithDestination(const Vec2& des, float second, bool attenuated)
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{
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_needCheckAutoScrollDestination = false;
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_autoScrollDestination = des;
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Vec2 dis = des - _innerContainer->getPosition();
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Vec2 dir = dis.getNormalized();
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float orSpeed = 0.0f;
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float acceleration = -1000.0f;
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if (attenuated)
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{
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acceleration = (-(2 * dis.getLength())) / (second * second);
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orSpeed = 2 * dis.getLength() / second;
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}
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else
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{
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_needCheckAutoScrollDestination = true;
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orSpeed = dis.getLength() / second;
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}
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startAutoScrollChildrenWithOriginalSpeed(dir, orSpeed, attenuated, acceleration);
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startAutoScroll(des - _innerContainer->getPosition(), second, attenuated);
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}
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void ScrollView::jumpToDestination(const Vec2 &des)
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@ -490,137 +400,71 @@ void ScrollView::jumpToDestination(const Vec2 &des)
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_innerContainer->setPosition(Vec2(finalOffsetX, finalOffsetY));
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}
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void ScrollView::stopAutoScrollChildren()
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void ScrollView::startInertiaScroll()
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{
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_autoScroll = false;
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_autoScrollOriginalSpeed = 0.0f;
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_autoScrollAddUpTime = 0.0f;
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}
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bool ScrollView::checkCustomScrollDestinationLeft(float* touchOffsetX, float* touchOffsetY)
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{
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float icLeftPos = _innerContainer->getLeftBoundary();
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if (icLeftPos + *touchOffsetX >= _autoScrollDestination.x)
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if(_inertiaTouchTimeDeltas.empty())
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{
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*touchOffsetX = _autoScrollDestination.x - icLeftPos;
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return false;
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return;
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}
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return true;
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}
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bool ScrollView::checkCustomScrollDestinationRight(float* touchOffsetX, float* touchOffsetY)
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{
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float icRightPos = _innerContainer->getRightBoundary();
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if (icRightPos + *touchOffsetX <= _autoScrollDestination.x)
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float totalDuration = 0;
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for(auto i = _inertiaTouchTimeDeltas.begin(); i != _inertiaTouchTimeDeltas.end(); ++i)
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{
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*touchOffsetX = _autoScrollDestination.x - icRightPos;
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return false;
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totalDuration += (*i);
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}
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return true;
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if(totalDuration >= 0.5f)
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{
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return;
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}
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_inertiaScrolling = true;
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// Calcualte the initial velocity
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Vec2 totalMovement;
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for(auto i = _inertiaTouchDisplacements.begin(); i != _inertiaTouchDisplacements.end(); ++i)
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{
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totalMovement += (*i);
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}
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totalMovement.x = (_direction == Direction::VERTICAL ? 0 : totalMovement.x);
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totalMovement.y = (_direction == Direction::HORIZONTAL ? 0 : totalMovement.y);
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_inertiaInitiVelocity = totalMovement / totalDuration;
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// Calculate values for ease out
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_inertiaScrollExpectedTime = _inertiaInitiVelocity.length() / INERTIA_DEACCELERATION;
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_inertiaScrollElapsedTime = 0;
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}
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bool ScrollView::checkCustomScrollDestination(float* touchOffsetX, float* touchOffsetY)
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void ScrollView::processInertiaScrolling(float dt)
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{
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bool scrollenabled = true;
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switch (_direction)
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{
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case Direction::VERTICAL:
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{
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if (_autoScrollDir.y > 0)
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{
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float icBottomPos = _innerContainer->getBottomBoundary();
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if (icBottomPos + *touchOffsetY >= _autoScrollDestination.y)
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{
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*touchOffsetY = _autoScrollDestination.y - icBottomPos;
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scrollenabled = false;
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}
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}
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else
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{
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float icBottomPos = _innerContainer->getBottomBoundary();
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if (icBottomPos + *touchOffsetY <= _autoScrollDestination.y)
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{
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*touchOffsetY = _autoScrollDestination.y - icBottomPos;
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scrollenabled = false;
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}
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}
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break;
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}
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case Direction::HORIZONTAL:
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{
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if (_autoScrollDir.x > 0)
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{
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float icLeftPos = _innerContainer->getLeftBoundary();
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if (icLeftPos + *touchOffsetX >= _autoScrollDestination.x)
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{
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*touchOffsetX = _autoScrollDestination.x - icLeftPos;
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scrollenabled = false;
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}
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}
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else
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{
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float icLeftPos = _innerContainer->getLeftBoundary();
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if (icLeftPos + *touchOffsetX <= _autoScrollDestination.x)
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{
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*touchOffsetX = _autoScrollDestination.x - icLeftPos;
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scrollenabled = false;
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}
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}
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break;
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}
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case Direction::BOTH:
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{
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if (*touchOffsetY > 0.0f) // up
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{
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if (*touchOffsetX > 0.0f) // right
|
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{
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scrollenabled = checkCustomScrollDestinationLeft(touchOffsetX, touchOffsetY);
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}
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else if (*touchOffsetX < 0.0f) // left
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{
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scrollenabled = checkCustomScrollDestinationRight(touchOffsetX, touchOffsetY);
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}
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float icBottomPos = _innerContainer->getBottomBoundary();
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if (icBottomPos + *touchOffsetY >= _autoScrollDestination.y)
|
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{
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*touchOffsetY = _autoScrollDestination.y - icBottomPos;
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scrollenabled = false;
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}
|
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}
|
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else if (*touchOffsetY < 0.0f) // down
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{
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if (*touchOffsetX < 0.0f) // left
|
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{
|
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scrollenabled = checkCustomScrollDestinationRight(touchOffsetX, touchOffsetY);
|
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}
|
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else if (*touchOffsetX > 0.0f) // right
|
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{
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scrollenabled = checkCustomScrollDestinationLeft(touchOffsetX, touchOffsetY);
|
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}
|
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float icTopPos = _innerContainer->getTopBoundary();
|
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if (icTopPos + *touchOffsetY <= _autoScrollDestination.y)
|
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{
|
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*touchOffsetY = _autoScrollDestination.y - icTopPos;
|
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scrollenabled = false;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (*touchOffsetX < 0.0f) // left
|
||||
{
|
||||
scrollenabled = checkCustomScrollDestinationRight(touchOffsetX, touchOffsetY);
|
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}
|
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else if (*touchOffsetX > 0.0f) // right
|
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{
|
||||
scrollenabled = checkCustomScrollDestinationLeft(touchOffsetX, touchOffsetY);
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
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default:
|
||||
break;
|
||||
}
|
||||
return scrollenabled;
|
||||
_inertiaScrollElapsedTime += dt;
|
||||
if(isOutOfBoundaryLeftOrRight() || isOutOfBoundaryTopOrBottom())
|
||||
{
|
||||
// If the inner container is out of boundary, shorten the inertia time.
|
||||
_inertiaScrollElapsedTime += dt * 15;
|
||||
}
|
||||
float percentage = _inertiaScrollElapsedTime / _inertiaScrollExpectedTime;
|
||||
if(percentage >= 1)
|
||||
{
|
||||
_inertiaScrolling = false;
|
||||
startBounceBackIfNeeded();
|
||||
return;
|
||||
}
|
||||
percentage = tweenfunc::expoEaseOut(percentage);
|
||||
|
||||
Vec2 inertiaVelocity = _inertiaInitiVelocity * (1 - percentage);
|
||||
Vec2 displacement = inertiaVelocity * dt;
|
||||
if(!_bounceEnabled)
|
||||
{
|
||||
Vec2 outOfBoundary = getHowMuchOutOfBoundary(displacement);
|
||||
if(outOfBoundary != Vec2::ZERO)
|
||||
{
|
||||
// Don't allow to go out of boundary
|
||||
displacement += outOfBoundary;
|
||||
_inertiaScrolling = false;
|
||||
}
|
||||
}
|
||||
moveChildren(displacement.x, displacement.y);
|
||||
}
|
||||
|
||||
bool ScrollView::processScrollUp(float* offsetYResult, float touchOffsetY)
|
||||
|
|
@ -899,66 +743,23 @@ void ScrollView::jumpToPercentBothDirection(const Vec2& percent)
|
|||
|
||||
void ScrollView::startRecordSlidAction()
|
||||
{
|
||||
if (_autoScroll)
|
||||
if (_inertiaScrolling)
|
||||
{
|
||||
stopAutoScrollChildren();
|
||||
_inertiaScrolling = false;
|
||||
}
|
||||
if (_bouncingBack)
|
||||
{
|
||||
if(_autoScrolling)
|
||||
{
|
||||
_autoScrolling = false;
|
||||
_bouncingBack = false;
|
||||
}
|
||||
_slidTime = 0.0f;
|
||||
}
|
||||
}
|
||||
|
||||
void ScrollView::endRecordSlidAction()
|
||||
{
|
||||
if (!startBounceBackIfNeeded() && _inertiaScrollEnabled)
|
||||
{
|
||||
if (_slidTime <= 0.016f)
|
||||
{
|
||||
return;
|
||||
}
|
||||
float totalDis = 0.0f;
|
||||
Vec2 dir;
|
||||
Vec2 touchEndPositionInNodeSpace = this->convertToNodeSpace(_touchEndPosition);
|
||||
Vec2 touchBeganPositionInNodeSpace = this->convertToNodeSpace(_touchBeganPosition);
|
||||
switch (_direction)
|
||||
{
|
||||
case Direction::VERTICAL:
|
||||
totalDis = touchEndPositionInNodeSpace.y - touchBeganPositionInNodeSpace.y;
|
||||
if (totalDis < 0.0f)
|
||||
{
|
||||
dir = SCROLLDIR_DOWN;
|
||||
}
|
||||
else
|
||||
{
|
||||
dir = SCROLLDIR_UP;
|
||||
}
|
||||
break;
|
||||
case Direction::HORIZONTAL:
|
||||
totalDis = touchEndPositionInNodeSpace.x - touchBeganPositionInNodeSpace.x;
|
||||
if (totalDis < 0.0f)
|
||||
{
|
||||
dir = SCROLLDIR_LEFT;
|
||||
}
|
||||
else
|
||||
{
|
||||
dir = SCROLLDIR_RIGHT;
|
||||
}
|
||||
break;
|
||||
case Direction::BOTH:
|
||||
{
|
||||
Vec2 subVector = touchEndPositionInNodeSpace - touchBeganPositionInNodeSpace;
|
||||
totalDis = subVector.getLength();
|
||||
dir = subVector.getNormalized();
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
float orSpeed = MIN(fabs(totalDis)/(_slidTime), AUTOSCROLLMAXSPEED);
|
||||
startAutoScrollChildrenWithOriginalSpeed(dir, orSpeed, true, -1000);
|
||||
_slidTime = 0.0f;
|
||||
bool bounceBackStarted = startBounceBackIfNeeded();
|
||||
if(!bounceBackStarted && _inertiaScrollEnabled)
|
||||
{
|
||||
startInertiaScroll();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -966,6 +767,10 @@ void ScrollView::handlePressLogic(Touch *touch)
|
|||
{
|
||||
startRecordSlidAction();
|
||||
_bePressed = true;
|
||||
|
||||
_inertiaPrevTouchTimestamp = getTimestamp();
|
||||
_inertiaTouchDisplacements.clear();
|
||||
_inertiaTouchTimeDeltas.clear();
|
||||
}
|
||||
|
||||
void ScrollView::handleMoveLogic(Touch *touch)
|
||||
|
|
@ -974,6 +779,17 @@ void ScrollView::handleMoveLogic(Touch *touch)
|
|||
Vec2 previousTouchPositionInNodeSpace = this->convertToNodeSpace(touch->getPreviousLocation());
|
||||
Vec2 delta = touchPositionInNodeSpace - previousTouchPositionInNodeSpace;
|
||||
scrollChildren(delta.x, delta.y);
|
||||
|
||||
while(_inertiaTouchDisplacements.size() > 5)
|
||||
{
|
||||
_inertiaTouchDisplacements.pop_front();
|
||||
_inertiaTouchTimeDeltas.pop_front();
|
||||
}
|
||||
_inertiaTouchDisplacements.push_back(delta);
|
||||
|
||||
long long timestamp = getTimestamp();
|
||||
_inertiaTouchTimeDeltas.push_back((timestamp - _inertiaPrevTouchTimestamp) / 1000.0f);
|
||||
_inertiaPrevTouchTimestamp = timestamp;
|
||||
}
|
||||
|
||||
void ScrollView::handleReleaseLogic(Touch *touch)
|
||||
|
|
@ -1026,23 +842,14 @@ void ScrollView::onTouchCancelled(Touch *touch, Event *unusedEvent)
|
|||
|
||||
void ScrollView::update(float dt)
|
||||
{
|
||||
if (_autoScroll)
|
||||
if (_inertiaScrolling)
|
||||
{
|
||||
autoScrollChildren(dt);
|
||||
processInertiaScrolling(dt);
|
||||
}
|
||||
if(_bouncingBack)
|
||||
else if (_autoScrolling)
|
||||
{
|
||||
processBounceBack(dt);
|
||||
processAutoScrolling(dt);
|
||||
}
|
||||
recordSlidTime(dt);
|
||||
}
|
||||
|
||||
void ScrollView::recordSlidTime(float dt)
|
||||
{
|
||||
if (_bePressed)
|
||||
{
|
||||
_slidTime += dt;
|
||||
}
|
||||
}
|
||||
|
||||
void ScrollView::interceptTouchEvent(Widget::TouchEventType event, Widget *sender,Touch* touch)
|
||||
|
|
@ -1085,7 +892,6 @@ void ScrollView::interceptTouchEvent(Widget::TouchEventType event, Widget *sende
|
|||
|
||||
void ScrollView::processScrollEvent(MoveDirection dir, bool bounce)
|
||||
{
|
||||
CCLOG("processScrollEvent() %d", dir);
|
||||
ScrollviewEventType scrollEventType;
|
||||
EventType eventType;
|
||||
switch(dir) {
|
||||
|
|
|
|||
|
|
@ -27,6 +27,7 @@ THE SOFTWARE.
|
|||
|
||||
#include "ui/UILayout.h"
|
||||
#include "ui/GUIExport.h"
|
||||
#include <list>
|
||||
|
||||
NS_CC_BEGIN
|
||||
/**
|
||||
|
|
@ -430,18 +431,18 @@ protected:
|
|||
bool isOutOfBoundaryLeftOrRight() const;
|
||||
|
||||
void moveChildren(float offsetX, float offsetY);
|
||||
void autoScrollChildren(float dt);
|
||||
void startAutoScrollChildrenWithOriginalSpeed(const Vec2& dir, float v, bool attenuated, float acceleration);
|
||||
|
||||
void startInertiaScroll();
|
||||
void processInertiaScrolling(float dt);
|
||||
|
||||
void startAutoScroll(const Vec2& deltaMove, float duration, bool attenuated);
|
||||
void startAutoScrollChildrenWithDestination(const Vec2& des, float second, bool attenuated);
|
||||
void jumpToDestination(const Vec2& des);
|
||||
void stopAutoScrollChildren();
|
||||
void processAutoScrolling(float deltaTime);
|
||||
|
||||
bool startBounceBackIfNeeded();
|
||||
void processBounceBack(float deltaTime);
|
||||
|
||||
bool checkCustomScrollDestinationLeft(float* touchOffsetX, float* touchOffsetY);
|
||||
bool checkCustomScrollDestinationRight(float* touchOffsetX, float* touchOffsetY);
|
||||
bool checkCustomScrollDestination(float* touchOffsetX, float* touchOffsetY);
|
||||
void jumpToDestination(const Vec2& des);
|
||||
|
||||
|
||||
virtual bool scrollChildren(float touchOffsetX, float touchOffsetY);
|
||||
|
||||
|
|
@ -461,8 +462,6 @@ protected:
|
|||
|
||||
virtual void interceptTouchEvent(Widget::TouchEventType event,Widget* sender,Touch *touch) override;
|
||||
|
||||
void recordSlidTime(float dt);
|
||||
|
||||
void processScrollEvent(MoveDirection dir, bool bounce);
|
||||
void processScrollingEvent();
|
||||
void dispatchEvent(ScrollviewEventType scrollEventType, EventType eventType);
|
||||
|
|
@ -473,35 +472,33 @@ protected:
|
|||
Layout* _innerContainer;
|
||||
|
||||
Direction _direction;
|
||||
Vec2 _autoScrollDir;
|
||||
|
||||
float _topBoundary;
|
||||
float _bottomBoundary;
|
||||
float _leftBoundary;
|
||||
float _rightBoundary;
|
||||
|
||||
bool _autoScroll;
|
||||
float _autoScrollAddUpTime;
|
||||
bool _bePressed;
|
||||
float _childFocusCancelOffset;
|
||||
|
||||
float _autoScrollOriginalSpeed;
|
||||
float _autoScrollAcceleration;
|
||||
bool _isAutoScrollSpeedAttenuated;
|
||||
bool _needCheckAutoScrollDestination;
|
||||
Vec2 _autoScrollDestination;
|
||||
bool _inertiaScrollEnabled;
|
||||
bool _inertiaScrolling;
|
||||
Vec2 _inertiaInitiVelocity;
|
||||
std::list<Vec2> _inertiaTouchDisplacements;
|
||||
std::list<float> _inertiaTouchTimeDeltas;
|
||||
long long _inertiaPrevTouchTimestamp;
|
||||
float _inertiaScrollExpectedTime;
|
||||
float _inertiaScrollElapsedTime;
|
||||
|
||||
bool _bePressed;
|
||||
float _slidTime;
|
||||
float _childFocusCancelOffset;
|
||||
bool _autoScrolling;
|
||||
bool _autoScrollAttenuate;
|
||||
Vec2 _autoScrollStartPosition;
|
||||
Vec2 _autoScrollTargetDelta;
|
||||
float _autoScrollDuration;
|
||||
float _autoScrollAccumulatedTime;
|
||||
|
||||
bool _bounceEnabled;
|
||||
bool _bounceEnabled;
|
||||
bool _bouncingBack;
|
||||
bool _bounceBackAttenuate;
|
||||
Vec2 _bounceBackStartPosition;
|
||||
Vec2 _bounceBackTargetDelta;
|
||||
float _bounceBackDuration;
|
||||
float _bounceBackAccumulatedTime;
|
||||
|
||||
bool _inertiaScrollEnabled;
|
||||
|
||||
Ref* _scrollViewEventListener;
|
||||
#if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)))
|
||||
|
|
|
|||
Loading…
Reference in New Issue