IAPDemo/Libraries/red_utils/Actions/RULbNumberIncrease.cpp

#include "RULbNumberIncrease.h"

NS_RU_BEGIN

//=====class LbNumberIncrease=====
LbNumberIncrease* LbNumberIncrease::create(const float duration, const int start_value, const int end_value)
{
    LbNumberIncrease* action = new(std::nothrow) LbNumberIncrease();
    if (action && action->init(duration, start_value, end_value))
    {
        action->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(action);
    }
    
    return action;
}

void LbNumberIncrease::startWithTarget(Node* target)
{
    ActionInterval::startWithTarget(target);
    static_cast<Label*>(_target)->setString(Value(_start_value).asString());
}

void LbNumberIncrease::update(float dt)
{
    _curFrameIndex++;
    int cur_value = int(_increase_value * _curFrameIndex + _start_value);
    static_cast<Label*>(_target)->setString(Value(cur_value).asString());
}

void LbNumberIncrease::stop()
{
    static_cast<Label*>(_target)->setString(Value(_end_value).asString());
    ActionInterval::stop();
    _curFrameIndex = 0;
}

bool LbNumberIncrease::init(float duration, const int start_value, const int end_value)
{
    if (!ActionInterval::initWithDuration(duration))
    {
        return false;
    }
    
    _start_value = start_value;
    _end_value = end_value;
    _curFrameIndex = 0;
    _increase_value = (end_value - start_value) / (duration / cocos2d::Director::getInstance()->getAnimationInterval());
    
    return true;
}

NS_RU_END