Drunken tribot v3
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/* learning NXC with Lola THE MARCH OF THE DRUNKEN TRIBOT v3 Simple escape-the-room by bumper programme with Random Moves. And Tridiot hates Green Tiles too, makes him puke! */ mutex moveMutex; // start of code // Case 1: Poking Around // Tridiot tries to move forward. That ain't an easy task. task poke() { while (true) // Don't Ask; remove it & it won't compile { Acquire(moveMutex); // Grab Control over the engines do // do the following until... something happens! { OnFwd(OUT_AC, 50); // Forward 50% Wait(Random(1000)+500); // For a random amount of time + 500 (gives a minimal value) OnRev(OUT_A, Random(90)); // turn away by reversing engine A random between 0 & 90 OnRev(OUT_C, Random(90)); // Turn away by reversing motor C at a differennt value Wait(Random(400+200)); // On a random timeframe too. } while (SENSOR_1 == 0); // This one is not supposed to be neccessary. Release(moveMutex); // Give "back" the motors to the other snippets } } // Case 2: the Puke // That's when Tridiot steps over a green tile in my office, the color makes him puke... task puke() // LightSensor (port 3) activated { while (true) { Acquire(moveMutex); // Grab Control over the engines if (Sensor(IN_3) > 27) // YOU PROBABLY WILL HAVE TO EDIT THIS ONE { OnRev(OUT_C, 45); // Back up Motor_C Wait(400); // (briefly) until(Sensor(IN_3) <= 30); // Check sensor: Am I away of this most horrible colour? OnFwd(OUT_AC, 35); // If so, move on! Pfew, I though I was going to be sick! } Release(moveMutex); // Give "back" the motors to the other snippets } } // Case 3: the Crash // Tridiot bumps into something, Aargh, sorry sir, and decides to move away. or so he tries. task crash() // Touch Sensor (port 1) activated { while (true) // Don't Ask; remove it & it won't compile { Acquire(moveMutex); // Grab Control over the engines if (SENSOR_1 == 1); // When CRAAAASH OnRev(OUT_AC, 75); // Back off, you thingy... Wait(750); // for the amount of time and speed as defined if (Random() >= 0) // IF statement, what happens if... the value is BELOW Zero: { OnRev(OUT_C, Random(50)+50); // Motor C backs off, at least 50% + random of 50 remaining } else // ELSE statement: returned value is ABOVE zero. { OnRev(OUT_A, Random(50)+50); // Motor A backs off, at least 50% + random of 50 remaining } Wait(Random(600)+400); // Even the duration of the re-direction is random. Release(moveMutex); // Give "back" the motors to the other snippets } } //totally superfluous "humming" thread //should be re-worked in a hiccup noise, that would fit! #define TIME 200 #define MAXVOL 7 #define MIDVOL 3 #define pause_4th Wait(TIME) #define pause_8th Wait(TIME/2) #define note_4th \ PlayFileEx("! Click.rso",MIDVOL,FALSE); pause_4th #define note_8th \ PlayFileEx("! Click.rso",MAXVOL,FALSE); pause_8th task hum() { while (true) { Wait(2000); note_4th; note_8th; note_8th; note_4th; note_4th; pause_4th; note_4th; note_4th; Wait(100); } } // Actual Starting "mother" thread: lauches the others. task main() { Precedes(poke, puke, crash, hum); // These are the threads to launch SetSensorTouch(IN_1); // These are the Sensors we'll use: SetSensorLight(IN_3); // Touch for "Crash" and Light for "Puke" } // EoC. Eurgh.
Lola 15:43, 1 July 2008 (UTC)