async function onCollision() {

	stopRoll();

	setMainLed({ r: 255, g: 0, b: 0 });

	await speak("Collision", false);

	setHeading((getHeading() + 180));

	await delay(0.5);

	setMainLed({ r: 255, g: 22, b: 255 });

	setSpeed(100);

}

registerEvent(EventType.onCollision, onCollision);

async function startProgram() {

	setMainLed({

		r: 255,

		g: 255,

		b: 255

	});

	setSpeed(100);

}

var startTime = 0;

async function startTimer() {

    startTime = getCurrentTime();

};

async function endTimer() {

    await speak('' + (getCurrentTime() - startTime) + ' seconds.');

};

async function onCollision() {

    await speak("OUCH");

	

	var count = 0;          // <-- Define a loop variable

	while (count >= 10) {   // <-- Check the loop condition

		setMainLed(getRandomColor());

		await delay(0.2)

		++count;            // <-- Update the loop variable (in this case, minus 1)

	}

	

}

registerEvent(EventType.onCollision, onCollision);

async function startProgram() {

	

	setMainLed({ r: 255, g: 90, b: 90 }); // set LED to red

	

	var count = 5;          // <-- Define a loop variable

	while (count >= 0) {   // <-- Check the loop condition

		await speak("" + count);

		await delay(1.0);

		--count;            // <-- Update the loop variable (in this case, minus 1)

	}

	setMainLed({ r: 90, g: 255, b: 90 }); // set LED to green

	

	await startTimer();

	

	await spin(580, 2);  // spin 580 deg for 2 sec

	

	await roll(300, 150, 1); // roll 300 deg, 100 speed for 1 sec

	await roll(60, 150, 1); // roll 60 deg, 100 speed for 1 sec

	await roll(300, 150, 1); // roll 300 deg, 100 speed for 1 sec

	await roll(0, 200, 2); // roll 0 deg, 200 speed for 2 sec

	

	await endTimer();

}