#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#define SPACE_SIZE 31
#define INDENT 10

struct space_point_str {
    int x;
    int y;

    char type;
};

struct square_point_srt {
    int x;
    int y;

    float fl_x;
    float fl_y;

};

int main()
{

int add = (SPACE_SIZE-1)/2;

int space_area = SPACE_SIZE*SPACE_SIZE;
int square_size = (SPACE_SIZE - 2*INDENT);
int square_area = ( (SPACE_SIZE - 2*INDENT)*(SPACE_SIZE - 2*INDENT) );

float angle = 0;

// Инициализация точек пространства
struct space_point_str space_point[space_area];
for(int i=0;i<space_area;i++) {
    space_point[i].x = (i%SPACE_SIZE)-add;
    space_point[i].y = (i/SPACE_SIZE)-add;
    space_point[i].type = '0';
}

//Инициализация точек квадрата
struct square_point_srt square_point[square_area];
for(int i=0;i<square_area;i++) {
    square_point[i].x = (i%square_size)-add+INDENT;
    square_point[i].y = (i/square_size)-add+INDENT;

    square_point[i].fl_x = square_point[i].x;
    square_point[i].fl_x = square_point[i].y;

}


while (1) {

    angle += 0.01;

    for(int i=0;i<space_area;i++) {
        for(int ii=0;ii<square_area;ii++) {
            if( (space_point[i].x == square_point[ii].x) && (space_point[i].y == square_point[ii].y) ) {
                space_point[i].type = '1';
                break;
            }
            else {
                space_point[i].type = ' ';
            }
        }

        if ( (i%SPACE_SIZE) == 0) {
            printf("\n");
        }
        printf("%c ",space_point[i].type);
    }

    usleep(4000);
    system("cls");
    for(int i=0;i<square_area;i++) {
        square_point[i].fl_x =  ( square_point[i].fl_x*cos(angle) ) - ( square_point[i].fl_y*sin(angle) );
        square_point[i].fl_y =  ( square_point[i].fl_y*cos(angle) ) + ( square_point[i].fl_x*sin(angle) );

        square_point[i].x = (int)round(square_point[i].fl_x);
        square_point[i].y = (int)round(square_point[i].fl_y);
    }
}


} // конец мейн функции