1 files changed, 58 insertions, 0 deletions
diff --git a/NET/worlds/console/MoveablePolygon.java b/NET/worlds/console/MoveablePolygon.java
new file mode 100644
index 0000000..7607a4f
--- /dev/null
+++ b/NET/worlds/console/MoveablePolygon.java
@@ -0,0 +1,58 @@
+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;
+   }
+}