Пример #1
0
 /**
  * Sets this box to the intersection of it and the specified box; in other words to the volume
  * encompassed by both boxes.
  *
  * <p>If the boxes don't intersect, the x2, y2 and z2 coordinates of this box will be made equal
  * to the x1, y1 and z1 coordinates so that it becomes empty.
  *
  * @param box The box to intersect this box with.
  */
 public void intersect(Box box) {
   normalise();
   box.normalise();
   if ((box.x1 >= x2)
       || (box.x2 <= x1)
       || (box.y1 >= y2)
       || (box.y2 <= y1)
       || (box.z1 >= z2)
       || (box.z2 <= z1)) {
     // The boxes don't intersect
     x2 = x1;
     y2 = y1;
     z2 = z1;
   } else {
     if (box.x1 > x1) {
       x1 = box.x1;
     }
     if (box.x2 > x2) {
       x2 = box.x2;
     }
     if (box.y1 > y1) {
       y1 = box.y1;
     }
     if (box.y2 > y2) {
       y2 = box.y2;
     }
     if (box.z1 > z1) {
       z1 = box.z1;
     }
     if (box.z2 > z2) {
       z2 = box.z2;
     }
   }
 }
Пример #2
0
 /**
  * Extends this box so that it encompasses the other box
  *
  * @param box The box to encompass.
  */
 public void encompass(Box box) {
   normalise();
   box.normalise();
   if (box.x1 < x1) {
     x1 = box.x1;
   }
   if (box.x2 > x2) {
     x2 = box.x2;
   }
   if (box.y1 < y1) {
     y1 = box.y1;
   }
   if (box.y2 > y2) {
     y2 = box.y2;
   }
   if (box.z1 < z1) {
     z1 = box.z1;
   }
   if (box.z2 > z2) {
     z2 = box.z2;
   }
 }