Penguins

Created by Barbara Lerner

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Created with Alice, the easy-to-learn programming system. Provided free as a public service by Carnegie Mellon University

public void my_first_method ( ) {
	// Try jumping in the first hole
	penguin.fallInHole ( whichHole = hole2 );
	// If the penguin was not able to fit in the first hole, jump in the second hole.
	if ( ( ( penguin .distanceAbove( hole2 ) ) > -1 ) ) {
		penguin .say( I'm not in the hole );
		penguin.fallInHole ( whichHole = hole );
	} else {
		penguin .say( I am swimming! );
	}
}

public void fallInHole ( Object whichHole) { Number distanceToHole = 1 ; Number holeRadius = 1 ;
	// Walk to the edge of the hole.
	penguin .turnToFace( whichHole );
	holeRadius .set( value , ( ( ( subject = whichHole .getWidth() ) / 2 ) ) );
	distanceToHole .set( value , ( ( ( penguin .distanceTo( whichHole ) ) - holeRadius ) ) );
	penguin.walking ( x = distanceToHole );
	// Only dive in if the hole is big enough.
	if ( ( penguin .isNarrowerThan( whichHole ) ) ) {
		// Dive in the hole.
		doTogether {
			penguin.jump ( times = 1 );
			penguin .turn( FORWARD , 0.5 revolutions );
			doInOrder {
				wait( 0.5 seconds );
				penguin .moveTo( whichHole );
			}
		}
		penguin .move( UP , 5 meters ); duration = 0 seconds
	} else {
		// The hole was not big enough.
		penguin .say( Aw! No swimming today! );
	}
}