コード例 #1
0
 public static Line getLineInterval(Line line, float start, float end) {
   assert start >= 0 && start <= 1;
   assert end >= 0 && end <= 1;
   return new Line(
       line.getX1() + line.getDX() * start,
       line.getY1() + line.getDY() * start,
       line.getX1() + line.getDX() * end,
       line.getY1() + line.getDY() * end);
 }
コード例 #2
0
 public void drawLine(int x0, int y0, int x1, int y1, int blockId) {
   l.set(x0, y0, x1, y1);
   drawableMap.updateBlocks(l, blockId);
 }
コード例 #3
0
ファイル: Bullet.java プロジェクト: Sangon/Asteroids-clone
 public boolean intersects(Entity e) {
   Line interLine = new Line(pos.x, pos.y, pos.x + velocity.x, pos.y + velocity.y);
   return interLine.intersects(e.sp);
 }
コード例 #4
0
 public static Rectangle getNewBoundingRectangle(Shape shape) {
   if (shape instanceof Circle) {
     Circle circle = (Circle) shape;
     float x = circle.getCenterX();
     float y = circle.getCenterY();
     float r = circle.getRadius();
     return new Rectangle(x - r, y - r, 2 * r, 2 * r);
   }
   if (shape instanceof Line) {
     Line line = (Line) shape;
     float x1;
     float x2;
     if (line.getX2() > line.getX1()) {
       x1 = line.getX1();
       x2 = line.getX2();
     } else {
       x1 = line.getX2();
       x2 = line.getX1();
     }
     float y1;
     float y2;
     if (line.getY2() > line.getY1()) {
       y1 = line.getY1();
       y2 = line.getY2();
     } else {
       y1 = line.getY2();
       y2 = line.getY1();
     }
     return new Rectangle(
         x1 - EPSILON, y1 - EPSILON, x2 - x1 + 1 + EPSILON, y2 - y1 + 1 + EPSILON);
   }
   if (shape instanceof Rectangle) {
     Rectangle r = (Rectangle) shape;
     return new Rectangle(r.getX(), r.getY(), r.getWidth(), r.getHeight());
   }
   assert false;
   return new Rectangle(shape.getMinX(), shape.getMinY(), shape.getWidth(), shape.getHeight());
 }
コード例 #5
0
 public static boolean lineEquals(Line l1, Line l2) {
   return l1.getX1() == l2.getX1()
       && l1.getY1() == l2.getY1()
       && l1.getX2() == l2.getX2()
       && l1.getY2() == l2.getY2();
 }