gistfile1.txt

- (void)move;
{
	if ( self.feeding || self.prey == nil )
		return;
	
	// Add new velocity towards prey.
	
	double x = ( self.prey.position.x - self.position.x ) / PREDATOR_VECTOR_FRACTION;
	double y = ( self.prey.position.y - self.position.y ) / PREDATOR_VECTOR_FRACTION;

	self.velocity = AddVector( self.velocity, MakeVector( x, y) );
	[self limitVelocity];
	[super move];
	
	// Kill any unlucky boids and pause for a moment.
	
	[self feed];
}