명품 C언어 프로젝트 6.3장 연습문제

[1번 문제]

/*

다음과 같은 도형을 번호 입력으로 선택하여 회전과 이동이 가능하도록 프로그램을 수정한다

*/

#include <stdio.h>

#include <stdlib.h>

#include <conio.h>

#include <Windows.h>

 

void rotation_right(int m[][3]);

void move_shape(int m[][3]);

void print_shape(int m[][3]);

void move_control(int m[][3]);

void gotoxy(int x, int y);

void print_direction(void);

 

int x = 35, y = 12;

int inx = 0, iny = 0;

 

int main(void)

{

        int shape1[3][3] = { 1, 0, 0, 1, 0, 0, 1, 1, 0 };

        int shape2[3][3] = { 1, 0, 0, 1, 0, 0, 1, 0, 0 };

        int shape3[3][3] = { 1, 0, 0, 1, 1, 0, 1, 0, 0 };

        int shape4[3][3] = { 0, 0, 0, 1, 1, 0, 1, 1, 0 };

        int sel;

        while (1)

        {

               system("cls");

               printf("번호 선택(1~4): ");

               scanf("%d", &sel);

               switch (sel)

               {

               case 1:

                       move_control(shape1);

                       break;

               case 2:

                       move_control(shape2);

                       break;

               case 3:

                       move_control(shape3);

                       break;

               case 4:

                       move_control(shape4);

                       break;

               default:

                       printf("잘못 선택하셨습니다\n");

                       break;

               }

        }

        return 0;

}

 

/*

지시문 출력 함수 print_direction

*/

void print_direction(void)

{

        gotoxy(25, 1);

        printf("화살표: 이동, 스페이스 키:회전, 도형 바꾸려면:ESC");

}

 

/*

화살표 키를 이용한 도형의 연속 이동 함수 move_control

*/

void move_control(int m[][3])

{

        char key;

        do

        {

               while (!kbhit())

               {

                       system("cls");

                       move_shape(m);

               }

               key = getch();

               switch (key)

               {

               case 32:

                       rotation_right(m);

                       move_shape(m);

                       break;

               case 72:

                       inx = 0;

                       iny = -1;

                       move_shape(m);

                       break;

               case 75:

                       inx = -1;

                       iny = 0;

                       move_shape(m);

                       break;

               case 77:

                       inx = 1;

                       iny = 0;

                       move_shape(m);

                       break;

               case 80:

                       inx = 0;

                       iny = 1;

                       move_shape(m);

                       break;

               default:

                       break;

               }

        } while (key != 27);

        printf("\n");

}

 

/*

도형을 출력하는 함수 print_shape

*/

void print_shape(int m[][3])

{

        int i, j;

        for (i = 0; i < 3; i++)

        {

               gotoxy(x, y + i);

               for (j = 0; j < 3; j++)

                       if (m[i][j] == 1)

                              printf("□");

                       else

                              printf("  ");

               printf("\n");

        }

}

 

/*

도형을 이동시키는 함수 move_shape

*/

void move_shape(int m[][3])

{

        do

        {

               system("cls");

               print_shape(m);

               print_direction();

               x = x + inx;

               y = y + iny;

               if (y > 23)

                       y = 23;

               else if (y < 2)

                       y = 2;

               if (x > 75)

                       x = 75;

               else if (x < 1)

                       x = 1;

               Sleep(100);

        } while (!kbhit());

}

 

void gotoxy(int x, int y)

{

        COORD Pos = { x - 1, y - 1 };

        SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), Pos);

}

 

void rotation_right(int m[][3])

{

        int i, j;

        int temp[3][3];

        for (i = 0; i < 3; i++)

               for (j = 0; j < 3; j++)

                       temp[j][2 - i] = m[i][j];

        for (i = 0; i < 3; i++)

               for (j = 0; j < 3; j++)

                       m[i][j] = temp[i][j];

}

[2번 문제]

/*

문제 1에서 엔터키를 누르면 해당 도형을 화면의 아래 부분에 쌓이도록 프로그램을 수정하시오.

다음번 도형의 번호는 난수에 의해서 결정합니다

*/

#include <stdio.h>

#include <time.h>

#include <stdlib.h>

#include <conio.h>

#include <Windows.h>

 

void rotation_right(int m[][3]);

void move_shape(int m[][3]);

void print_shape(int m[][3]);

void move_control(int m[][3]);

void gotoxy(int x, int y);

void print_direction(void);

void stay(int m[][3]);

 

int x = 35, y = 12;

int inx = 0, iny = 0;

 

int main(void)

{

        srand((unsigned)time(NULL));

        int shape1[3][3] = { 1, 0, 0, 1, 0, 0, 1, 1, 0 };

        int shape2[3][3] = { 1, 0, 0, 1, 0, 0, 1, 0, 0 };

        int shape3[3][3] = { 1, 0, 0, 1, 1, 0, 1, 0, 0 };

        int shape4[3][3] = { 0, 0, 0, 1, 1, 0, 1, 1, 0 };

        int sel;

        while (1)

        {

               system("cls");

               sel = rand() % 4 + 1;

               switch (sel)

               {

               case 1:

                       move_control(shape1);

                       break;

               case 2:

                       move_control(shape2);

                       break;

               case 3:

                       move_control(shape3);

                       break;

               case 4:

                       move_control(shape4);

                       break;

               default:

                       printf("잘못 선택하셨습니다\n");

                       break;

               }

        }

        return 0;

}

 

/*

지시문 출력 함수 print_direction

*/

void print_direction(void)

{

        gotoxy(25, 1);

        printf("화살표: 이동, 스페이스 키:회전, 도형 바꾸려면:ESC");

}

 

/*

화살표 키를 이용한 도형의 연속 이동 함수 move_control

*/

void move_control(int m[][3])

{

        char key;

        do

        {

               while (!kbhit())

               {

                       system("cls");

                       move_shape(m);

               }

               key = getch();

               switch (key)

               {

               case 13: //엔터 추가

                       stay(m);

                       gotoxy(1, 24);

                       return;

               case 32:

                       rotation_right(m);

                       move_shape(m);

                       break;

               case 72:

                       inx = 0;

                       iny = -1;

                       move_shape(m);

                       break;

               case 75:

                       inx = -1;

                       iny = 0;

                       move_shape(m);

                       break;

               case 77:

                       inx = 1;

                       iny = 0;

                       move_shape(m);

                       break;

               case 80:

                       inx = 0;

                       iny = 1;

                       move_shape(m);

                       break;

               default:

                       break;

               }

        } while (key != 27);

        printf("\n");

}

 

/*

도형을 출력하는 함수 print_shape

*/

void print_shape(int m[][3])

{

        int i, j;

        for (i = 0; i < 3; i++)

        {

               gotoxy(x, y + i);

               for (j = 0; j < 3; j++)

                       if (m[i][j] == 1)

                              printf("□");

                       else

                              printf("  ");

               printf("\n");

        }

}

 

/*

도형을 이동시키는 함수 move_shape

*/

void move_shape(int m[][3])

{

        do

        {

               system("cls");

               print_shape(m);

               print_direction();

               x = x + inx;

               y = y + iny;

               if (y > 23)

                       y = 23;

               else if (y < 2)

                       y = 2;

               if (x > 75)

                       x = 75;

               else if (x < 1)

                       x = 1;

               Sleep(100);

        } while (!kbhit());

}

 

void stay(int m[][3])

{

        system("cls");

        y = 23;

        print_shape(m);

        print_direction();

        Sleep(1000);

}

 

void gotoxy(int x, int y)

{

        COORD Pos = { x - 1, y - 1 };

        SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), Pos);

}

 

void rotation_right(int m[][3])

{

        int i, j;

        int temp[3][3];

        for (i = 0; i < 3; i++)

               for (j = 0; j < 3; j++)

                       temp[j][2 - i] = m[i][j];

        for (i = 0; i < 3; i++)

               for (j = 0; j < 3; j++)

                       m[i][j] = temp[i][j];

}

 

개발환경:Visual Studio 2017

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[참고] 명품 C언어 프로젝트 안기수 저

*3, 4번 문제는 논의 문제였으므로 생략했습니다

*문제를 토대로 나중에 개인 프로젝트로 테트리스를 만들까 생각중입니다