easy2d 写个俄罗斯方块 代码

好的，这是一个简单的俄罗斯方块游戏的代码示例：

#include <iostream>
#include <vector>
#include <cstdlib>
#include <ctime>
#include <conio.h>
#include <windows.h>
using namespace std;

const int ROW = 30;
const int COL = 20;
int score;
int map[ROW][COL];

struct Point {
    int x, y;
    Point(int x = 0, int y = 0) :x(x), y(y) {}
};

vector<Point> curShape;
vector<vector<Point>> shapes;

void initShapes() {
    shapes.push_back({ {0,0}, {0,1}, {0,2}, {0,3} });
    shapes.push_back({ {0,0}, {0,1}, {0,2}, {1,2} });
    shapes.push_back({ {0,0}, {0,1}, {1,0}, {1,1} });
    shapes.push_back({ {0,0}, {0,1}, {0,2}, {1,1} });
    shapes.push_back({ {0,0}, {0,1}, {1,1}, {1,2} });
    shapes.push_back({ {0,0}, {1,0}, {1,1}, {2,1} });
    shapes.push_back({ {0,1}, {1,1}, {2,0}, {2,1} });
}

void newShape() {
    curShape.clear();
    srand((unsigned)time(NULL));
    int index = rand() % shapes.size();
    for (int i = 0; i < 4; i++) {
        Point p = shapes[index][i];
        curShape.push_back(Point(p.x + ROW / 2, p.y));
    }
}

bool check(Point p) {
    if (p.x < 0 || p.x >= ROW || p.y >= COL) return false;
    if (map[p.x][p.y]) return false;
    return true;
}

bool isOver() {
    for (int i = 0; i < 4; i++) {
        if (!check(curShape[i]))
            return true;
    }
    return false;
}

void transform(Point& p) {
    int tmp = p.x;
    p.x = p.y;
    p.y = 3 - tmp;
}

void rotate() {
    Point center = curShape[1];
    for (int i = 0; i < 4; i++) {
        if (i == 1) continue;
        int x = curShape[i].x - center.x;
        int y = curShape[i].y - center.y;
        Point t(x, y);
        transform(t);
        curShape[i].x = center.x + t.x;
        curShape[i].y = center.y + t.y;
    }
}

void updateMap() {
    for (int i = 0; i < 4; i++) {
        int x = curShape[i].x;
        int y = curShape[i].y;
        map[x][y] = 1;
    }
}

bool full(int r) {
    for (int c = 0; c < COL; c++) {
        if (map[r][c] == 0) return false;
    }
    return true;
}

void removeRow(int r) {
    for (int c = 0; c < COL; c++) {
        map[r][c] = 0;
    }
    for (int i = r; i >= 1; i--) {
        for (int c = 0; c < COL; c++) {
            map[i][c] = map[i - 1][c];
        }
    }
    for (int c = 0; c < COL; c++) {
        map[0][c] = 0;
    }
    score++;
}

void checkFull() {
    for (int r = ROW - 1; r >= 0; r--) {
        if (full(r)) {
            removeRow(r);
            r++;
        }
    }
}

void refresh() {
    system("cls");
    cout << "score: " << score << endl;
    for (int i = 0; i < ROW; i++) {
        for (int j = 0; j < COL; j++) {
            if (map[i][j]) cout << "*";
            else cout << " ";
        }
        cout << endl;
    }
}

void moveLeft() {
    for (int i = 0; i < 4; i++) {
        Point p = curShape[i];
        p.y--;
        if (!check(p)) {
            return;
        }
    }
    for (int i = 0; i < 4; i++) {
        curShape[i].y--;
    }
}

void moveRight() {
    for (int i = 0; i < 4; i++) {
        Point p = curShape[i];
        p.y++;
        if (!check(p)) {
            return;
        }
    }
    for (int i = 0; i < 4; i++) {
        curShape[i].y++;
    }
}

void moveDown() {
    if (isOver()) {
        cout << "Game Over!" << endl;
        exit(0);
    }
    for (int i = 0; i < 4; i++) {
        Point p = curShape[i];
        p.x++;
        if (!check(p)) {
            updateMap();
            checkFull();
            newShape();
            return;
        }
    }
    for (int i = 0; i < 4; i++) {
        curShape[i].x++;
    }
}

int main() {
    initShapes();
    newShape();
    while (1) {
        refresh();
        Sleep(300);
        if (_kbhit()) {
            int c = _getch();
            switch (c) {
            case 'a':
                moveLeft();
                break;
            case 'd':
                moveRight();
                break;
            case 'w':
                rotate();
                break;
            case 's':
                moveDown();
                break;
            default:
                break;
            }
        }
        else {
            moveDown();
        }
    }
    return 0;
}

注意：此代码是通过 C++ 开发，需要在 Windows 系统下使用。