level5 fourmi

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

#define TX  40
#define TY  20
#define NBFOURMI 100

typedef struct fourmi {
    float x, y;     // la position
    float dx, dy; // le deplacement
    int color;
    int lettre;

}fourmi;

// déclarations des fonctions

void create_allf(fourmi*t[], int color);
fourmi* create_f(int color);
void run_all(fourmi*t[]);
void destroy_all(fourmi*t[]);
void affiche(fourmi*f, int color);
void avance(fourmi*f);
void gotoxy(int x, int y);
void textcolor(int color);
int top(int duree);

int main()
{

    fourmi*all[NBFOURMI];
    srand(time(NULL));

    create_allf(all, 11);

    while (!_kbhit()) {

        if (top(75))
            run_all(all);

    }


    destroy_all(all);


    return 0;
}
/**************************************************
***************************************************/
void create_allf(fourmi*t[],int color)
{
    for (int i = 0; i < NBFOURMI; i++) {

        t[i] = create_f(color);

    }
}

fourmi*create_f(int color)
{
    fourmi*f;
    f = (fourmi*)malloc(sizeof(fourmi));
    f->color = color;
    f->dx = (rand() / (float)RAND_MAX) * 4 - 2;
    f->dy = (rand() / (float)RAND_MAX) * 4 - 2;
    f->x = rand() % TX;
    f->y = rand() % TY;
    f->lettre = 'A' + rand() % 26;

    return f;
}


void run_all(fourmi*t[]) {

    for (int i = 0; i < NBFOURMI; i++) {

        affiche(t[i], 0);
        avance(t[i]);
        affiche(t[i], t[i]->color);

    }

}

void destroy_all(fourmi*t[]) {

    for (int i = 0; i < NBFOURMI; i++) {

        free(t[i]);

    }

}

/**************************************************
***************************************************/
void affiche(fourmi*f, int color)
{
    gotoxy(f->x, f->y);
    textcolor(color);
    putchar(f->lettre);
}

/**************************************************
***************************************************/
void  avance(fourmi*f)
{
    f->x += f->dx;
    if (f->x < 0) {
        f->x = 0;
        f->dx = rand() / (float)RAND_MAX * 2;
    }
    if (f->x > TX) {
        f->x = TX;
        f->dx = rand() / (float)RAND_MAX * -2;
    }

    f->y += f->dy;
    if (f->y < 0) {
        f->y = 0;
        f->dy = rand() / (float)RAND_MAX * 2;
    }
    if (f->y > TY) {
        f->y = TY;
        f->dy = rand() / (float)RAND_MAX * -2;
    }

}

/**************************************************
TOOLS
***************************************************/
void gotoxy(int x, int y)
{
    COORD c;
    c.X = x;
    c.Y = y;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), c);
}
void textcolor(int color)
{
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color);
}
int top(int duree)
{
    static int start = 0;
    int res = 0;
    if (clock() > start + duree) {
        start = clock();
        res = 1;
    }
    return res;
}


/**************************************************
***************************************************/