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package NET.worlds.console;
import java.awt.Graphics;
import java.awt.Polygon;
import java.awt.Rectangle;
class MoveablePolygon extends Polygon {
private static final long serialVersionUID = 8800634603983512717L;
private int xOffset;
private int yOffset;
private Rectangle boundingBox = new Rectangle();
public MoveablePolygon() {
}
public MoveablePolygon(int[] xpoints, int[] ypoints) {
super(xpoints, ypoints, xpoints.length);
}
public void moveTo(int x, int y) {
if (x != this.xOffset || y != this.yOffset) {
int xdelta = x - this.xOffset;
int ydelta = y - this.yOffset;
this.xOffset = x;
this.yOffset = y;
for (int i = 0; i < this.npoints; i++) {
this.xpoints[i] = this.xpoints[i] + xdelta;
this.ypoints[i] = this.ypoints[i] + ydelta;
}
}
}
public void drawFilled(Graphics g, int x, int y) {
this.moveTo(x, y);
g.fillPolygon(this);
}
@Override
public Rectangle getBoundingBox() {
int boundsMinX = Integer.MAX_VALUE;
int boundsMinY = Integer.MAX_VALUE;
int boundsMaxX = Integer.MIN_VALUE;
int boundsMaxY = Integer.MIN_VALUE;
for (int i = 0; i < this.npoints; i++) {
int x = this.xpoints[i];
boundsMinX = Math.min(boundsMinX, x);
boundsMaxX = Math.max(boundsMaxX, x);
int y = this.ypoints[i];
boundsMinY = Math.min(boundsMinY, y);
boundsMaxY = Math.max(boundsMaxY, y);
}
this.boundingBox.reshape(boundsMinX, boundsMinY, boundsMaxX - boundsMinX, boundsMaxY - boundsMinY);
return this.boundingBox;
}
}
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