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package NET.worlds.scape;
import java.io.IOException;
public class Point2 implements Persister {
public float x;
public float y;
private static Object classCookie = new Object();
public Point2() {
}
public Point2(float _x, float _y) {
this.set(_x, _y);
}
public Point2(Point2 p) {
this.x = p.x;
this.y = p.y;
}
public Point2 copy(Point2 b) {
this.x = b.x;
this.y = b.y;
return this;
}
public void set(float _x, float _y) {
this.x = _x;
this.y = _y;
}
public float length() {
return (float)Math.sqrt(this.x * this.x + this.y * this.y);
}
public Point2 normalize() {
float len = this.length();
if (len > 0.0F) {
this.dividedBy(len);
}
return this;
}
public Point2 negate() {
this.x = -this.x;
this.y = -this.y;
return this;
}
public Point2 plus(Point2 p) {
this.x = this.x + p.x;
this.y = this.y + p.y;
return this;
}
public Point2 plus(float v) {
this.x += v;
this.y += v;
return this;
}
public Point2 minus(float v) {
return this.plus(-v);
}
public Point2 minus(Point2 p) {
this.x = this.x - p.x;
this.y = this.y - p.y;
return this;
}
public Point2 times(float v) {
this.x *= v;
this.y *= v;
return this;
}
public Point2 times(Point2 p) {
this.x = this.x * p.x;
this.y = this.y * p.y;
return this;
}
public Point2 dividedBy(float v) {
this.x /= v;
this.y /= v;
return this;
}
public Point2 dividedBy(Point2 p) {
this.x = this.x / p.x;
this.y = this.y / p.y;
return this;
}
public float dot(Point2 p) {
return p.x * this.x + p.y * this.y;
}
@Override
public String toString() {
return this.x + "," + this.y;
}
@Override
public void saveState(Saver s) throws IOException {
s.saveVersion(0, classCookie);
s.saveFloat(this.x);
s.saveFloat(this.y);
}
@Override
public void restoreState(Restorer r) throws IOException, TooNewException {
switch (r.restoreVersion(classCookie)) {
case 0:
this.x = r.restoreFloat();
this.y = r.restoreFloat();
return;
default:
throw new TooNewException();
}
}
@Override
public void postRestore(int version) {
}
}
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