listing15-14_mover.java_int

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// Listing 15-14. A Solution That Uses Only Integers for a Simple Floating-Point Calculation



public class Mover {

	private int step;
	private final int steps;
	private final int distancePerStep;

	public Mover( int distance, int steps ) {
		this.steps = steps;
		this.distancePerStep = ( distance * 100 ) / steps;
	}


	public int moveForward() {
		this.step++;
		if ( step > this.steps ) {
			this.step = 0;
		}
		return ( this.step * this.distancePerStep ) / 100;
	}
}