Exemplo n.º 1
0
  /** Standard override -- draws all the dots. */
  public void paintComponent(Graphics g) {
    // As a JPanel subclass we need call super.paintComponent()
    // so JPanel will draw the white background for us.
    super.paintComponent(g);
    Color origColor = g.getColor();
    for (Line l : lines) {
      if (l.isPencil()) {
        g.setColor(Color.RED);
      } else {
        g.setColor(Color.BLACK);
      }
      g.drawLine((int) l.getX1(), (int) l.getY1(), (int) l.getX2(), (int) l.getY2());
    }
    g.setColor(origColor);

    // Go through all the dots, drawing a circle for each
    for (ManModel dotModel : dots) {
      // g.drawImage(img, dotModel.getX() - MAN_WIDTH/2, dotModel.getY() - MAN_HEIGHT/2, MAN_WIDTH,
      // MAN_HEIGHT, null);
      g.drawImage(
          img,
          dotModel.getX() - Constants.MAN_WIDTH / 2,
          dotModel.getY() - Constants.MAN_HEIGHT / 2,
          null);
    }

    numberMen.setText("" + dots.size());

    // Draw the "requested" clip rect in red
    // (this just shows off smart-repaint)
    if (redPaint) {
      Rectangle clip = g.getClipBounds();
      if (clip != null) {
        g.setColor(Color.red);
        g.drawRect(clip.x, clip.y, clip.width - 1, clip.height - 1);
        g.setColor(origColor);
      }
    }

    g.setColor(Color.RED);
    for (Line l : circles) {
      g.drawLine((int) l.getX1(), (int) l.getY1(), (int) l.getX2(), (int) l.getY2());
    }

    for (Arc l : arcs) {
      g.drawArc(
          (int) l.getX1(),
          (int) l.getY1(),
          (int) l.getWidth(),
          (int) l.getHeight(),
          (int) l.getStartAngle(),
          (int) l.getSweep());
      // g.drawArc((int) l.getX1(), (int) l.getY1(), (int) l.getWidth()+1, (int) l.getHeight()+1,
      // l.getStartAngle()-1, l.getSweep());

    }
    g.setColor(Color.BLACK);
  }
 public static boolean linesIntersect(Line line1, Line line2) {
   if (!(line1.equals(line2))) {
     double x1 = line1.getX1();
     double y1 = line1.getY1();
     double x2 = line1.getX2();
     double y2 = line1.getY2();
     double x3 = line2.getX1();
     double y3 = line2.getY1();
     double x4 = line2.getX2();
     double y4 = line2.getY2();
     return Line2D.linesIntersect(x1, y1, x2, y2, x3, y3, x4, y4);
   } else {
     return false;
   }
 }
 public static String printLine(Line segment) {
   return String.format(
       "(%.1f, %.1f) to (%.1f, %.1f)",
       segment.getX1(), segment.getY1(), segment.getX2(), segment.getY2());
 }
Exemplo n.º 4
0
  private ArrayList<RSTile> generatePath(Line[] lines) {
    double minStep = 5, maxStep = 10, wander = 3;
    if (lines.length < 2) return null;
    ArrayList<RSTile> path = new ArrayList<RSTile>();
    Line l1, l2 = lines[0];
    double distFromCenter = random(0, l2.getDistance() + 1);
    RSTile p = l2.translate((int) distFromCenter);
    distFromCenter = l2.getDistance() / 2 - distFromCenter;
    double centerXdist, centerYdist, line1Xdist, line1Ydist, line2Xdist, line2Ydist;
    double line1dist, line2dist, centerDist;
    double x, y;
    double distOnLine, last, cap1, cap2, move;
    double distFromCenterX1, distFromCenterY1, distFromCenterX2, distFromCenterY2;
    double force1, force2, slopeX, slopeY, slopeDist;
    boolean finished;
    int lastX = p.getX(), lastY = p.getY(), curX, curY;
    double dist, xdist, ydist;
    for (int i = 1; i < lines.length; i++) {
      l1 = l2;
      l2 = lines[i];
      centerXdist = l2.getCenterX() - l1.getCenterX();
      centerYdist = l2.getCenterY() - l1.getCenterY();
      centerDist = Math.sqrt(centerXdist * centerXdist + centerYdist * centerYdist);
      line1Xdist = l2.getX() - l1.getX();
      line1Ydist = l2.getY() - l1.getY();
      line2Xdist = l2.getX2() - l1.getX2();
      line2Ydist = l2.getY2() - l1.getY2();

      centerXdist /= centerDist;
      centerYdist /= centerDist;
      line1Xdist /= centerDist;
      line1Ydist /= centerDist;
      line2Xdist /= centerDist;
      line2Ydist /= centerDist;
      distOnLine = 0;
      last = 0;
      finished = false;
      while (!finished) {

        distOnLine += random(minStep, maxStep);
        if (distOnLine >= centerDist) {
          distOnLine = centerDist;
          finished = true;
        }
        x = centerXdist * distOnLine + l1.getCenterX();
        y = centerYdist * distOnLine + l1.getCenterY();

        distFromCenterX1 = x - (line1Xdist * distOnLine + l1.getX());
        distFromCenterY1 = y - (line1Ydist * distOnLine + l1.getY());

        distFromCenterX2 = x - (line2Xdist * distOnLine + l1.getX2());
        distFromCenterY2 = y - (line2Ydist * distOnLine + l1.getY2());

        slopeX = distFromCenterX2 - distFromCenterX1;
        slopeY = distFromCenterY2 - distFromCenterY1;
        slopeDist = Math.sqrt(slopeX * slopeX + slopeY * slopeY);
        slopeX /= slopeDist;
        slopeY /= slopeDist;

        line1dist =
            Math.sqrt(distFromCenterX1 * distFromCenterX1 + distFromCenterY1 * distFromCenterY1);
        line2dist =
            Math.sqrt(distFromCenterX2 * distFromCenterX2 + distFromCenterY2 * distFromCenterY2);

        move = (distOnLine - last) / maxStep * wander;

        force1 = line1dist + distFromCenter;
        force2 = line2dist - distFromCenter;

        cap1 = Math.min(move, force1);
        cap2 = Math.min(move, force2);

        if (force1 < 0) distFromCenter -= force1;
        else if (force2 < 0) distFromCenter += force2;
        else distFromCenter += random(-cap1, cap2);

        if (finished) {
          RSTile t = l2.translateFromCenter(distFromCenter);
          curX = t.getX();
          curY = t.getY();
        } else {
          curX =
              (int)
                  Math.round(distOnLine * centerXdist + l1.getCenterX() + distFromCenter * slopeX);
          curY =
              (int)
                  Math.round(distOnLine * centerYdist + l1.getCenterY() + distFromCenter * slopeY);
        }

        xdist = curX - lastX;
        ydist = curY - lastY;
        dist = Math.sqrt(xdist * xdist + ydist * ydist);
        xdist /= dist;
        ydist /= dist;
        for (int j = 0; j < dist; j++)
          path.add(
              new RSTile((int) Math.round(xdist * j + lastX), (int) Math.round(ydist * j + lastY)));

        last = distOnLine;
        lastX = curX;
        lastY = curY;
      }
    }
    return cutUp(path);
  }