step method
Implementation
@mustCallSuper
void step(double deltaTime) {
_time += deltaTime;
_timeDelta = deltaTime;
_lastFrameEpochMs = DateTime.now().millisecondsSinceEpoch;
}
@mustCallSuper
void step(double deltaTime) {
_time += deltaTime;
_timeDelta = deltaTime;
_lastFrameEpochMs = DateTime.now().millisecondsSinceEpoch;
}