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#ifndef INPUT_LAG_H_DF16F381
#define INPUT_LAG_H_DF16F381
/**
* Helper class that handles key repeat.
*/
class InputLag {
public:
bool isActive() const
{
return active_;
}
void reset()
{
accum_ = 0.0;
active_ = false;
repeat_ = false;
}
void accumulate(double dt)
{
accum_ += dt;
}
bool step()
{
if (!active_)
{
active_ = true;
return true;
} else if (!repeat_)
{
if (accum_ > delay_)
{
accum_ -= delay_;
repeat_ = true;
return true;
}
} else {
if (accum_ > tick_)
{
accum_ -= tick_;
return true;
}
}
return false;
}
private:
double tick_ = 1.0 / 15.0;
double delay_ = tick_ * 3.0;
double accum_ = 0.0;
bool active_ = false;
bool repeat_ = false;
};
#endif /* end of include guard: INPUT_LAG_H_DF16F381 */
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