int Dice::Roll() // postcondition: number of rolls updated // random 'die' roll returned { RandGen gen; // random number generator myRollCount_= myRollCount_ + 1; // update # of times die rolled return gen.RandInt(1,mySides_); // in range [1..mySides_] }
void drawLandscape(window &w, color skycolor, color groundcolor) { // creates landscape. only called once setBrushAndPenColor(w, skycolor); w.DrawRectangle(0, 0, w.GetWidth(), w.GetHeight(), FILLED); RandGen r; int ystart = r.RandInt((double) w.GetHeight() * 0.666, (double) w.GetHeight() * 0.75); // semi random height of ground near bottom of screen setBrushAndPenColor(w, groundcolor); for (double x = 0; x < w.GetWidth(); x++) { int yval = ystart + sin((double) (x / 60)) * 15; // ground will be sin curve w.DrawLine(x, yval, x, w.GetHeight()); // draws line from ground level to bottom of screen } }
//-------------- // medPing_Main \ //---------------------------------------------------------------------- // called from iPhone runSim-tab int medPing_Main() { // print a message to the cell phone mP.CELL_PrintF("Hello medPing patient ...\n\n"); //======= DATA STRUCTURE ====================================== // to hold patient's history of vital signs oneVitalHistoryRecord vitalHistory[MAX_HISTORY]; // hmr (how many really) vital signs 0 <= hmr < MAX_HISTORY long hmr = 0; //============================================================= RandGen randGenerator; // i need a random number generator time_t start, now; // keep track of time in simulation // ask user at CELL to input length of simulation mP.CELL_PrintF("How many SECONDS would you like to simulate?\n"); double simulationTime = mP.CELL_fetchReal(); time(&start); // simulation loop .... time(&now); while ( difftime(now,start) < simulationTime ) // while still time to simulate ... { long waitThisLongSEC = randGenerator.RandInt(1, MAX_WAIT_SEC); mP.CELL_PrintF("\n--------------------------\n"); mP.CELL_PrintF("\n[PAUSE ... (%d seconds) ]\n", waitThisLongSEC); sleep(waitThisLongSEC); // ZZzzzz..... // WINDOWS uses the function called: Sleep( milliseconds ) // Sleep(waitThisLongSEC*1000); // ZZzzzz..... // check our watch ... long nSecs = time(&now); // fetch vital signs from the medPing chip HERE (use mP object, right?) double newTemp; newTemp = mP.getBodyTemperature_F(); // : // : // now ADD these new vital signs to our history DATA STRUCTURE //AddHistoryRecord(nSecs, newTemp, /* ... more here ... ,*/ vitalHistory, hmr); // PRINT ALL of the series of vital signs so far printAllVitalRecords(mP, vitalHistory, hmr); } // while still more to simulate ... mP.CELL_PrintF("\n\nSIMULATION OVER.\n\n"); // prompt for a record to delete HERE, // find it (using your Find function) // and delete it if found (using your Delete function) mP.CELL_PrintF("\n\nDONE.\n"); // WINDOWS // system("PAUSE"); return 0; } // end medPing_Main()