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Flash.cpp
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Flash.cpp
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#include"Flash.h"
namespace game
{
Flash::Flash(GameDataRef data):_data(data)
{
_shape=sf::RectangleShape(sf::Vector2f(this->_data->window.getSize()));
_shape.setFillColor(sf::Color(255,255,255,0));
_flashOn=true;
}
void Flash::Show(float dt)
{
if(_flashOn)
{
int alpha=(int)_shape.getFillColor().a+(FLASH_SPEED*dt);
if(alpha>=255.0f)
{
alpha=255.0f;
_flashOn=false;
}
_shape.setFillColor(sf::Color(255,255,255,alpha));
}
else
{
int alpha=(int)_shape.getFillColor().a+(FLASH_SPEED*dt);
if(alpha<=0.0f)
{
alpha=0.0f;
_flashOn=false;
}
_shape.setFillColor(sf::Color(255,255,255,alpha));
}
}
void Flash::Draw()
{
this->_data->window.draw(_shape);
}
}