[TXNetwork] Четвертый пример: синхронизированные шарики на многих компьютерах. Надо больше шариков!

//{===========================================================================
//}===========================================================================

#include "proto.h"

int main()
{
txCreateWindow (1024, 768);

Ball_t ball = {0, 0, 0, 0};

TX_SOCKET ball_server = txCreateSocket (TX_CLIENT, TX_BROADCAST, TX_STD_PORT, TX_BLOCK, false);

if (txnAssert (ball_server) == TXN_NOT_CREATED)
    {
    printf ("Can't create listener. Maybe, port are busy.\n");
    return -1;
    }

while (true)
    {
    txRecvFrom (ball_server, &ball, sizeof(ball));

    if (ball.x == -100 && ball.y == -100)
        break;

    txSetFillColor (TX_LIGHTRED);
    txSetColor (TX_LIGHTRED);

    txCircle (ball.x, ball.y, 10);

    txSleep (25);
    txSetFillColor (TX_BLACK);
    txClear ();
    }

return 0;
}

//{===========================================================================
//}===========================================================================

#include "proto.h"

void Life (Ball_t* ball);

int main()
{
txCreateWindow (1024, 768);

Ball_t ball = {100, 100, 2, 3};

TX_SOCKET ball_client = txCreateSocket (TX_SERVER, TX_BROADCAST, TX_STD_PORT, TX_BLOCK, false);

if (txnAssert (ball_client) == TXN_NOT_CREATED)
    {
    printf("Can't create server. Maybe, port are busy.\nn");
    return -1;
    }

while (!GetAsyncKeyState (VK_ESCAPE))
    {
    txSendTo (ball_client, &ball, sizeof(ball));

    txSetFillColor (TX_LIGHTGREEN);
    txSetColor (TX_LIGHTGREEN);

    txCircle (ball.x, ball.y, 10);
    Life (&ball);

    txSleep (25);
    txSetFillColor (TX_BLACK);
    txClear();
    }

ball.x = -100;
ball.y = -100;
txSendTo (ball_client, &ball, sizeof(ball));

return 0;
}

void Life (Ball_t* ball)
{
if (ball->x < 0)
    {
    ball->x  = 0;
    ball->vx = -ball->vx;
    }

if (ball->y < 0)
    {
    ball->y  = 0;
    ball->vy = -ball->vy;
    }

if (ball->x > 1024)
    {
    ball->x  = 1024;
    ball->vx = -ball->vx;
    }

if (ball->y > 768)
    {
    ball->y  = 768;
    ball->vy = -ball->vy;
    }

ball->y += ball->vy;
ball->x += ball->vx;
}

//{===========================================================================
//}===========================================================================

#include "TXNetwork.h"
#include "TXLib.h"

//1. server -> broadcast: Ball_t
//   client <- broadcast: Ball_t

struct Ball_t
{
int  x,  y;
int vx, vy;
};