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C++学习路线(二十一)

时间:2024-10-23 20:19:52浏览次数:7  
标签:int void 二十一 ++ C++ 路线 outtextxy BLOCK 方块

俄罗斯方块 

初始化页面

#include <iostream>
#include <graphics.h>
#include <Windows.h>
using namespace std;

void welcome() {
	initgraph(550 , 660);
	HWND window = GetHWnd();
	SetWindowText(window, _T("俄罗斯方块"));
	setfont(40, 0, _T("Arial"));
	outtextxy(120, 200, _T("欢迎来到俄罗斯方块"));
	setfont(20, 0, _T("Arial"));
	outtextxy(200, 250, _T("按任意键开始游戏"));

}

int main() {
	welcome();
	system("pause");
	return 0;
}

设置游戏背景

#include <iostream>
#include <graphics.h>
#include <Windows.h>
using namespace std;

int score = 0;
int rank = 0;

void welcome() {
	initgraph(550 , 660);
	HWND window = GetHWnd();
	SetWindowText(window, _T("俄罗斯方块"));
	setfont(40, 0, _T("Arial"));
	outtextxy(120, 200, _T("欢迎来到俄罗斯方块"));
	setfont(20, 0, _T("Arial"));
	outtextxy(200, 250, _T("按任意键开始游戏"));
	char ch;
	cin >> ch;
}
void initScenes() {
	char str[16];
	cleardevice();
	rectangle(27, 27, 336, 635);
	rectangle(29, 29, 334, 633);
	rectangle(370, 50, 515, 195);

	setfont(30, 0, _T("Arial"));
	setcolor(RED);
	outtextxy(405, 215, _T("下一个"));
	outtextxy(405, 280, _T("得分"));
	sprintf_s(str, "%d", score);
	outtextxy(415, 310, str);
	outtextxy(405, 375, _T("排名"));
	sprintf_s(str, "%d", score);
	outtextxy(415, 405, str);

	setcolor(LIGHTBLUE);
	outtextxy(390, 475, "操作说明:");
	outtextxy(390, 500, "↑↓←→:移动方块");
}

int main() {
	welcome();
	initScenes();
	system("pause");
	return 0;
}

每个方块有4种形态:

4个方向,所以使用4个二维数组来表示1种方块

#include <iostream>
#include <graphics.h>
#include <Windows.h>
using namespace std;

int score = 0;
int rank = 0;
#define  BLOCK_COUNT 5
#define  BLOCK_WIDTH 5
#define  BLOCK_HEIGHT 5
int block[BLOCK_COUNT * 4][BLOCK_HEIGHT][BLOCK_WIDTH] = {
	// | 形方块
	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,0,0,
	0,1,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,0,0,
	0,1,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	// L 形方块
	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,1,1,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,0,0,
	0,1,1,1,0,
	0,1,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,1,0,
	0,1,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	// 田 形方块
	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,1,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,1,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,1,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,1,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	// T 形方块
	{ 0,0,0,0,0,
	0,1,1,1,0,
	0,0,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,1,0,
	0,0,1,1,0,
	0,0,0,1,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,1,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,0,0,0,
	0,1,1,0,0,
	0,1,0,0,0,
	0,0,0,0,0 },

	// Z 形方块
	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,0,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,1,1,0,0,
	0,1,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,0,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,1,1,0,0,
	0,1,0,0,0,
	0,0,0,0,0 },
};


void welcome() {
	initgraph(550 , 660);
	HWND window = GetHWnd();
	SetWindowText(window, _T("俄罗斯方块"));
	setfont(40, 0, _T("Arial"));
	outtextxy(120, 200, _T("欢迎来到俄罗斯方块"));
	setfont(20, 0, _T("Arial"));
	outtextxy(200, 250, _T("按任意键开始游戏"));
	char ch;
	cin >> ch;
}
void initScenes() {
	char str[16];
	cleardevice();
	rectangle(27, 27, 336, 635);
	rectangle(29, 29, 334, 633);
	rectangle(370, 50, 515, 195);

	setfont(30, 0, _T("Arial"));
	setcolor(RED);
	outtextxy(405, 215, _T("下一个"));
	outtextxy(405, 280, _T("得分"));
	sprintf_s(str, "%d", score);
	outtextxy(415, 310, str);
	outtextxy(405, 375, _T("排名"));
	sprintf_s(str, "%d", score);
	outtextxy(415, 405, str);

	setcolor(LIGHTBLUE);
	outtextxy(390, 475, "操作说明:");
	outtextxy(390, 500, "↑↓←→:移动方块");
}

int main() {
	welcome();
	initScenes();
	system("pause");
	return 0;
}

右上角那个方块的显示

#include <iostream>
#include <graphics.h>
#include <Windows.h>
using namespace std;

int score = 0;
int rank = 0;
#define  BLOCK_COUNT 5
#define  BLOCK_WIDTH 5
#define  BLOCK_HEIGHT 5
#define  BLOCK_UNIT 20
int block[BLOCK_COUNT * 4][BLOCK_HEIGHT][BLOCK_WIDTH] = {
	// | 形方块
	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,0,0,
	0,1,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,0,0,
	0,1,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	// L 形方块
	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,1,1,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,0,0,
	0,1,1,1,0,
	0,1,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,0,1,0,0,
	0,0,1,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,1,0,
	0,1,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	// 田 形方块
	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,1,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,1,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,1,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,1,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	// T 形方块
	{ 0,0,0,0,0,
	0,1,1,1,0,
	0,0,1,0,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,0,1,0,
	0,0,1,1,0,
	0,0,0,1,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,1,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,0,0,0,
	0,1,1,0,0,
	0,1,0,0,0,
	0,0,0,0,0 },

	// Z 形方块
	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,0,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,1,1,0,0,
	0,1,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,1,1,0,0,
	0,0,1,1,0,
	0,0,0,0,0,
	0,0,0,0,0 },

	{ 0,0,0,0,0,
	0,0,1,0,0,
	0,1,1,0,0,
	0,1,0,0,0,
	0,0,0,0,0 },
};


void welcome() {
	initgraph(550 , 660);
	HWND window = GetHWnd();
	SetWindowText(window, _T("俄罗斯方块"));
	setfont(40, 0, _T("Arial"));
	outtextxy(120, 200, _T("欢迎来到俄罗斯方块"));
	setfont(20, 0, _T("Arial"));
	outtextxy(200, 250, _T("按任意键开始游戏"));
	char ch;
	cin >> ch;
}
void initScenes() {
	char str[16];
	cleardevice();
	rectangle(27, 27, 336, 635);
	rectangle(29, 29, 334, 633);
	rectangle(370, 50, 515, 195);
	setfont(30, 0, _T("Arial"));
	setcolor(RED);
	outtextxy(405, 215, _T("下一个"));
	outtextxy(405, 280, _T("得分"));
	sprintf_s(str, "%d", score);
	outtextxy(415, 310, str);
	outtextxy(405, 375, _T("排名"));
	sprintf_s(str, "%d", score);
	outtextxy(415, 405, str);
	setcolor(LIGHTBLUE);
	outtextxy(390, 475, "操作说明:");
	outtextxy(390, 500, "↑↓←→:移动方块");
}
int nextIndex = -1;
void clearBlock() {
	setcolor(BLACK);
	setfont(23, 0, "楷体");
	for(int i = 0 ; i < BLOCK_COUNT ; i++)
		for (int j = 0; j < BLOCK_WIDTH; j++) {
			int x = 391 + i * BLOCK_UNIT;
			int y = 70 + j * BLOCK_UNIT;
			outtextxy(x, y, "■"); // 正方形■
		}
}
int color[BLOCK_COUNT] = {
	RED, GREEN, BLUE, YELLOW, CYAN
};
void drawBlock() {
	setcolor(color[nextIndex]);
	setfont(23, 0, "楷体");
	for (int i = 0; i < BLOCK_COUNT; i++)
		for (int j = 0; j < BLOCK_WIDTH; j++) {
			if (block[4 * nextIndex][i][j] == 1) {
				int x = 391 + i * BLOCK_UNIT;
				int y = 70 + j * BLOCK_UNIT;
				outtextxy(x, y, "■");
			}
		}
}
void nextBlock() {
	clearBlock();
	srand(time(NULL)); // 随机种子
	nextIndex = rand() % BLOCK_COUNT;
	drawBlock();
}

int main() {
	welcome();
	initScenes();
	nextBlock();
	system("pause");
	return 0;
}

初始化访问数组

int vis[30][15];

主要函数实现

#include <stdio.h>
#include <graphics.h>
#include <time.h>
#include <conio.h> //kbhit()使用

int score = 0; //总分
int rank = 0;  //等级

#define BLOCK_COUNT    5
#define BLOCK_WIDTH    5
#define BLOCK_HEIGHT	  5
#define UNIT_SIZE          20

#define START_X   130
#define START_Y	30

#define KEY_UP			72
#define	KEY_RIGHT	77
#define KEY_DOWN	80
#define KEY_LEFT		75
#define KEY_SPACE	32

int speed = 500;
int minX = 30;
int minY = 30;

typedef enum {
	BLOCK_UP,
	BLOCK_RIGHT,
	BLOCK_DOWN,
	BLOCK_LEFT
} block_dir_t;

typedef enum {
	MOVE_DOWN,
	MOVE_LEFT,
	MOVE_RIGHT
} move_dir_t;

int NextIndex = -1;  //下一个方块的种类
int BlockIndex = -1; //当前方块的种类

int color[BLOCK_COUNT] = {
	GREEN, CYAN,  MAGENTA, BROWN, YELLOW
};

int visit[30][15]; //访问数组
int markColor[30][15]; //表示对应位置的颜色

int block[BLOCK_COUNT * 4][BLOCK_HEIGHT][BLOCK_WIDTH] = {
	// |  型方块
	{
		0, 0, 0, 0, 0,
		0, 0, 1, 0, 0,
		0, 0, 1, 0, 0,
		0, 0, 1, 0, 0,
		0, 0, 0, 0, 0 },
	{
		0,0,0,0,0,
		0,0,0,0,0,
		0,1,1,1,0,
		0,0,0,0,0,
		0,0,0,0,0 },
	{  0,0,0,0,0,
		0,0,1,0,0,
		0,0,1,0,0,
		0,0,1,0,0,
		0,0,0,0,0 },

	{ 0,0,0,0,0,
	   0,0,0,0,0,
	   0,1,1,1,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   // L 形方块
	   { 0,0,0,0,0,
	   0,0,1,0,0,
	   0,0,1,0,0,
	   0,0,1,1,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,0,0,0,0,
	   0,1,1,1,0,
	   0,1,0,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,1,1,0,0,
	   0,0,1,0,0,
	   0,0,1,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,0,0,1,0,
	   0,1,1,1,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   // 田 形方块
	   { 0,0,0,0,0,
	   0,1,1,0,0,
	   0,1,1,0,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,1,1,0,0,
	   0,1,1,0,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,1,1,0,0,
	   0,1,1,0,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,1,1,0,0,
	   0,1,1,0,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   // T 形方块
	   { 0,0,0,0,0,
	   0,1,1,1,0,
	   0,0,1,0,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,0,0,1,0,
	   0,0,1,1,0,
	   0,0,0,1,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,0,1,0,0,
	   0,1,1,1,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,1,0,0,0,
	   0,1,1,0,0,
	   0,1,0,0,0,
	   0,0,0,0,0 },

	   // Z 形方块
	   { 0,0,0,0,0,
	   0,1,1,0,0,
	   0,0,1,1,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,0,1,0,0,
	   0,1,1,0,0,
	   0,1,0,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,1,1,0,0,
	   0,0,1,1,0,
	   0,0,0,0,0,
	   0,0,0,0,0 },

	   { 0,0,0,0,0,
	   0,0,1,0,0,
	   0,1,1,0,0,
	   0,1,0,0,0,
	   0,0,0,0,0 }
};

// 欢迎界面
void welcome(void) {
	// 初始化画布
	initgraph(550, 660);

	// 设置窗口标题
	HWND window = GetHWnd(); //获取窗口
	SetWindowText(window, _T("俄罗斯方块    奇牛学院 Rock")); //设置窗口标题

	// 设置文本的字体样式
	setfont(40, 0, _T("微软雅黑"));
	setcolor(WHITE);
	outtextxy(205, 200, _T("俄罗斯方块"));

	setfont(22, 0, _T("楷体"));
	outtextxy(175, 300, _T("编程, 从俄罗斯方块开始!"));

	Sleep(3000); //睡眠(暂停)3000毫秒,3秒针
}

// 初始化游戏场景
void initGameScene(void) {
	char str[16];

	//清除屏幕
	cleardevice();

	rectangle(27, 27, 336, 635);
	rectangle(29, 29, 334, 633);
	rectangle(370, 50, 515, 195);

	setfont(24, 0, _T("楷体"));
	setcolor(LIGHTGRAY);
	outtextxy(405, 215, _T("下一个"));

	setcolor(RED);
	outtextxy(405, 280, _T("分数"));
	sprintf_s(str, "%d", score);
	outtextxy(415, 310, str);

	outtextxy(405, 375, _T("等级"));
	sprintf_s(str, "%d", rank);
	outtextxy(425, 405, str);

	// 操作说明  ↑  ↓ ← →
	setcolor(LIGHTBLUE);
	outtextxy(390, 475, "操作说明");
	outtextxy(390, 500, "↑:旋转");
	outtextxy(390, 525, "↓: 下降");
	outtextxy(390, 550, "←: 左移");
	outtextxy(390, 575, "→: 右移");
	outtextxy(390, 600, "空格:暂停");
}

void clearBlock(void) {
	setcolor(BLACK);
	setfont(23, 0, "楷体");

	for (int i = 0; i < BLOCK_HEIGHT; i++) {
		for (int j = 0; j < BLOCK_WIDTH; j++) {
			//"■"
			int x = 391 + j * UNIT_SIZE;
			int y = 71 + i * UNIT_SIZE;
			outtextxy(x, y, "■");
		}
	}
}






// 绘制方块
void drawBlock(int x, int y) {
	setcolor(color[NextIndex]);
	setfont(23, 0, "楷体");

	for (int i = 0; i < BLOCK_HEIGHT; i++) {
		for (int j = 0; j < BLOCK_WIDTH; j++) {
			//"■"
			if (block[NextIndex * 4][i][j] == 1) {
				int x2 = x + j * UNIT_SIZE;
				int y2 = y + i * UNIT_SIZE;
				outtextxy(x2, y2, "■");
			}
		}
	}
}

// 绘制方块:  在指定位置绘制指定方块的指定方向
void drawBlock(int x, int y, int blockIndex, block_dir_t dir) {
	setcolor(color[blockIndex]);
	setfont(23, 0, "楷体");
	int id = blockIndex * 4 + dir;

	for (int i = 0; i < BLOCK_HEIGHT; i++) {
		for (int j = 0; j < BLOCK_WIDTH; j++) {
			//"■"
			if (block[id][i][j] == 1) {
				int x2 = x + j * UNIT_SIZE;
				int y2 = y + i * UNIT_SIZE;
				outtextxy(x2, y2, "■");
			}
		}
	}
}



// 清除指定位置指定方向的方块
// 参数x: 方块的左上角的x坐标
// 参数y: 方块的左上角在游戏区域内的坐标,距离游戏区域顶部的距离
void clearBlock(int x, int y, block_dir_t dir) {
	setcolor(BLACK);
	int id = BlockIndex * 4 + dir;
	y += START_Y;

	for (int i = 0; i < 5; i++) {
		for (int j = 0; j < 5; j++) {
			if (block[id][i][j] == 1) {
				// 擦除该方块的第i行的第j列
				outtextxy(x + 20 * j, y + i * 20, "■");
			}
		}
	}
}

void nextblock(void) {
	clearBlock(); // 清除右上角区域

	// 随机选择一种方块
	srand(time(NULL)); //使用时间函数的返回值,来作为随机种子
	NextIndex = rand() % BLOCK_COUNT;

	drawBlock(391, 71);
}

// 如果在指定位置可以向指定方向移动,就返回1, 否则就返回0
int moveable(int x0, int y0, move_dir_t moveDir, block_dir_t blockDir) {
	// 计算当前方块的左上角在30x15的游戏区中的位置(第多少行,第多少列)
	int x = (y0 - minY) / UNIT_SIZE;
	int y = (x0 - minX) / UNIT_SIZE;
	int id = BlockIndex * 4 + blockDir;
	int ret = 1;

	if (moveDir == MOVE_DOWN) {
		for (int i = 0; i < 5; i++) {
			for (int j = 0; j < 5; j++) {
				if (block[id][i][j] == 1 &&
					(x + i + 1 >= 30 || visit[x + i + 1][y + j] == 1)) {
					ret = 0;
				}
			}
		}
	}
	else if (moveDir == MOVE_LEFT) {
		for (int i = 0; i < 5; i++) {
			for (int j = 0; j < 5; j++) {
				if (block[id][i][j] == 1 &&
					(y + j == 0 || visit[x + i][y + j - 1] == 1)) {
					ret = 0;
				}
			}
		}

	}
	else if (moveDir == MOVE_RIGHT) {
		for (int i = 0; i < 5; i++) {
			for (int j = 0; j < 5; j++) {
				if (block[id][i][j] == 1 &&
					(y + j + 1 >= 15 || visit[x + i][y + j + 1] == 1)) {
					ret = 0;
				}
			}
		}
	}

	return ret;
}

// 检测游戏是否结束
void failCheck() {
	if (!moveable(START_X, START_Y, MOVE_DOWN, BLOCK_UP)) {
		setcolor(WHITE);
		setfont(45, 0, "隶体");
		outtextxy(75, 300, "GAME OVER!");
		Sleep(1000);
		system("pause");
		closegraph();
		exit(0);
	}
}



// 判断当前方块是否可以转向到指定方向
// 注意, 此时还没有转到该方向!!!
int rotatable(int x, int y, block_dir_t dir) {
	int id = BlockIndex * 4 + dir;
	int xIndex = (y - minY) / 20;
	int yIndex = (x - minX) / 20;


	if (!moveable(x, y, MOVE_DOWN, dir)) {
		return 0;
	}

	for (int i = 0; i < 5; i++) {
		for (int j = 0; j < 5; j++) {
			if (block[id][i][j] == 1 &&
				(yIndex + j < 0 || yIndex + j >= 15 || visit[xIndex + i][yIndex + j] == 1)) {
				return 0;
			}
		}
	}

	return 1;
}

void wait(int interval) {
	int count = interval / 10;
	for (int i = 0; i < count; i++) {
		Sleep(10);
		if (_kbhit()) {
			return;
		}
	}
}

void mark(int x, int y, int blockIndex, block_dir_t dir) {
	int id = blockIndex * 4 + dir;
	int x2 = (y - minY) / 20;
	int y2 = (x - minX) / 20;

	for (int i = 0; i < 5; i++) {
		for (int j = 0; j < 5; j++) {
			if (block[id][i][j] == 1) {
				visit[x2 + i][y2 + j] = 1;
				markColor[x2 + i][y2 + j] = color[blockIndex];
			}
		}
	}
}

void move(void) {
	int x = START_X;
	int y = START_Y;
	int k = 0;
	block_dir_t  blockDir = BLOCK_UP;
	int curSpeed = speed;

	// 检测游戏是否结束
	failCheck();

	// 持续向下降落
	while (1) {
		if (_kbhit()) {
			int key = _getch();
			if (key == KEY_SPACE) {
				_getch();
			}
		}

		// 清除当前方块
		clearBlock(x, k, blockDir);

		if (_kbhit()) {
			int key = _getch();

			if (key == KEY_UP) {
				block_dir_t nextDir = (block_dir_t)((blockDir + 1) % 4);
				if (rotatable(x, y + k, nextDir)) {
					blockDir = nextDir;
				}
			}
			else if (key == KEY_DOWN) {
				curSpeed = 50;
			}
			else if (key == KEY_LEFT) {
				if (moveable(x, y + k + 20, MOVE_LEFT, blockDir)) {
					x -= 20;
				}
			}
			else if (key == KEY_RIGHT) {
				if (moveable(x, y + k + 20, MOVE_RIGHT, blockDir)) {
					x += 20;  //x = x + 20;
				}
			}
		}

		k += 20;

		// 绘制当前方块
		drawBlock(x, y + k, BlockIndex, blockDir);

		wait(curSpeed);

		//k += 20;

		// 方块的“固化”处理
		if (!moveable(x, y + k, MOVE_DOWN, blockDir)) {
			mark(x, y + k, BlockIndex, blockDir);
			break;
		}
	}
}

void newblock() {
	// 确定即将使用的方块的类别
	BlockIndex = NextIndex;

	// 绘制刚从顶部下降的方块
	drawBlock(START_X, START_Y);

	// 让新出现的方块暂停一会,让用户识别到
	Sleep(100); //0.1秒

	// 在右上角区域,绘制下一个方块
	nextblock();

	// 方块降落
	move();
}

//消除第x行,并把上面的行都下移
void down(int x) {
	for (int i = x; i > 0; i--) {
		// 消除第i行,第j列的方格消除
		for (int j = 0; j < 15; j++) {
			if (visit[i - 1][j]) {
				visit[i][j] = 1;
				markColor[i][j] = markColor[i - 1][j];
				setcolor(markColor[i][j]);
				outtextxy(20 * j + minX, 20 * i + minY, "■");
			}
			else {
				visit[i][j] = 0;
				setcolor(BLACK);
				outtextxy(20 * j + minX, 20 * i + minY, "■");
			}
		}
	}

	// 清除最顶上的哪一行(就是行标为0的那一行)
	setcolor(BLACK);
	for (int j = 0; j < 15; j++) {
		visit[0][j] = 0;
		outtextxy(20 * j + minX, minY, "■");
	}
}

// 更新分数,参数lines表示消除的行数
void addScore(int lines) {
	char str[32];

	setcolor(RED);
	score += lines * 10;
	sprintf_s(str, "%d", score);
	outtextxy(415, 310, str);
}

void updateGrade() {
	// 更新等级的提示
	// 假设:50分一级
	rank = score / 50;
	char str[16];
	sprintf_s(str, "%d", rank);
	outtextxy(425, 405, str);

	// 更新速度, 等级越高,速度越快,speed越小!
	// 最慢:500, 最快是100
	speed = 500 - rank * 100;
	if (speed <= 100) {
		speed = 100;
	}
}

void check(void) {
	int i, j;
	int clearLines = 0;

	for (i = 29; i >= 0; i--) {
		// 检查第i行有没有满
		for (j = 0; j < 15 && visit[i][j]; j++);

		//执行到此处时,有两种情况:
		// 1. 第i行没有满,即表示有空位 此时 j<15
		// 2. 第i行已满了,此时 j>=15
		if (j >= 15) {
			// 此时,第i行已经满了,就需要消除第i行
			down(i);  //消除第i行,并把上面的行都下移
			i++;  // 因为最外层的循环中有 i--, 所以我们先i++, 使得下次循环时,再把这一行检查一下
			clearLines++;
		}
	}

	// 更新分数
	addScore(clearLines);

	// 更新等级(更新等级提示,更新速度)
	updateGrade();
}

int main(void) {
	welcome();
	initGameScene();

	// 产生新方块
	nextblock();
	Sleep(500);

	// 初始化访问数组
	memset(visit, 0, sizeof(visit));

	while (1) {
		newblock();

		// 消除满行,并更新分数和速度
		check();
	}

	system("pause");
	closegraph();
	return 0;
}

标签:int,void,二十一,++,C++,路线,outtextxy,BLOCK,方块
From: https://blog.csdn.net/weixin_45169583/article/details/143062464

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