The latest tank battle 2022 - full development notes-3

8、 ... and 、 Create a tour loop

8.1 Create the main loop of the game 、

int main(void) {
	init();
 
	createMyTank();
	createEnemyTank();
 
	while (1) {
		updataMap();
		updataAllTanks();
	}
	
 
	system("pause");
	return 0;
}

8.2 Use time counting to optimize the loop

The cycle structure of the previous step , Keep refreshing , It seriously consumes the performance of the system , It must be improved . The easiest way , Use time counting to process . Be careful , Use it directly Sleep It will affect the timely response of the game .

bool updata; //  Whether to update ,  And in init Function is initialized to true
 
int main(void) {
	init();
 
	createMyTank();
	createEnemyTank();
 
	int time = 0;
	while (1) {
		time += getDelay();
		if (time >= 20) {
			updata = true;
			time = 0;
		}
		
		if (updata) {
			updata = false;
 
			BeginBatchDraw();
			updataMap();
			updataAllTanks();
			EndBatchDraw();
		}
	}
	
	system("pause");
	return 0;
}

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