运用数组实现反弹消砖块

#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<Windows.h>

#define High 15
#define Width 20

int ball_x, ball_y;
int ball_vx, ball_vy;
int position_x, position_y;
int ridus;
int left, right;
int canvas[High][Width] = { 0 };

void gotoxy(int x,int y)
{
	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
	COORD pos;
	pos.X = x;
	pos.Y = y;
	SetConsoleCursorPosition(handle, pos);

}
void HideCursor()
{
	CONSOLE_CURSOR_INFO cursor_info = { 1,0 };
	SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info);

}

void startup()
{
	ball_x = High-3;
	ball_y = Width / 2;
	ball_vx = 1;
	ball_vy = 1;
	canvas[ball_x][ball_y] = 1;
	
	ridus = 5;
	position_x = High-1;
	position_y = Width/2;
	left = position_y - ridus;
	right = position_x + ridus;

	int k;
	for (k = left; k <= right; k++)
		canvas[position_x][k] = 2;
	int i;
	for (i = 0; i < Width; i++)
		for (k = 0; k < High / 4; k++)
			canvas[k][i] = 3;

}

void show()
{
	gotoxy(0, 0);
	int i, j;
	for (i = 0; i < High;i++)
	{
		for (j = 0; j < Width; j++)
		{
			if (canvas[i][j] == 0)
				printf(" ");
			else if (canvas[i][j] == 1)
				printf("o");
			else if (canvas[i][j] == 2)
				printf("*");
			else if (canvas[i][j] == 3)
				printf("#");
		}
		printf("|\n");
	}
	for (j = 0; j < Width; j++)
		printf("_");
	printf("\n");
}

void updateWithoutInput()
{
	if (ball_x == High - 2)
	{
		if ((ball_y >=left) && (ball_y <= right))
		{
			printf("\a");
		}
		else
		{
			printf("GAMEOVER!");
			system("pause");
			exit(0);
		}
		
	}
	static int speed = 0;
	if (speed < 7)
		speed++;
	if (speed == 7)
	{
		speed = 0;
		canvas[ball_x][ball_y] = 0;
		ball_x = ball_x + ball_vx;
		ball_y = ball_y + ball_vy;
		canvas[ball_x][ball_y] = 1;
		if ((ball_x == 0) || (ball_x == High - 2))
			ball_vx = -ball_vx;
		if ((ball_y == 0) || (ball_y == Width - 1))
			ball_vy = -ball_vy;
		if (canvas[ball_x-1][ball_y] == 3)
		{
			ball_vx = -ball_vx;
			canvas[ball_x-1][ball_y] = 0;
			printf("\a");
		}
	}
	
}

void updateWithIput()
{
	char input;
	if (_kbhit())
	{
		input = _getch();
		if (input == 'a' && left > 0)
		{
			canvas[position_x][right] = 0;
			position_y--;
			left = position_y - ridus;
			right = position_y + ridus;
			canvas[position_x][left] = 2;
		}
		if (input == 'd' && right < Width - 1)
		{
			canvas[position_x][left] = 0;
			position_y++;
			left = position_y - ridus;
			right = position_y + ridus;
			canvas[position_x][right] = 2;
		}
		if (input == ' ')
		{
			canvas[ball_x][ball_y] = 0;
			ball_x = position_x-1;
			ball_y = position_y;
			canvas[ball_x][ball_y] = 1;
			
		}
	}
}

int main()
{
	HideCursor();
	startup();
	while (1)
	{
		show();
		updateWithoutInput();
		updateWithIput();
	}
	return 0;
}