34 lines
905 B
Java
34 lines
905 B
Java
import java.awt.Point;
|
|
|
|
public class Spirale implements ProducteurDePoints {
|
|
private static final int centreX = 100;
|
|
private static final int centreY = 100;
|
|
private static final double rayon = 90.0;
|
|
private static final double radiusIncrement = -0.1;
|
|
private static final double angleDepart = 0.0;
|
|
private static final double angleIncrement = Math.PI / 30;
|
|
|
|
private double angle;
|
|
private double curRadius;
|
|
public Spirale() {
|
|
angle = angleDepart;
|
|
curRadius = rayon;
|
|
}
|
|
|
|
public Point suivant() {
|
|
Point p = null;
|
|
angle += angleIncrement;
|
|
curRadius += radiusIncrement;
|
|
|
|
if (curRadius > 0.0) {
|
|
p = new Point(
|
|
(int)(Math.cos(angle) * curRadius),
|
|
(int)(Math.sin(angle) * curRadius)
|
|
);
|
|
|
|
p.translate(centreX, centreY);
|
|
}
|
|
|
|
return p;
|
|
}
|
|
} |