git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/gui/rocketfigure/MassObjectShapes.java

   1 package net.sf.openrocket.gui.rocketfigure;
   2
   3 import java.awt.Shape;
   4 import java.awt.geom.Ellipse2D;
   5 import java.awt.geom.RoundRectangle2D;
   6
   7 import net.sf.openrocket.util.Coordinate;
   8 import net.sf.openrocket.util.Transformation;
   9
  10
  11 public class MassObjectShapes extends RocketComponentShapes {
  12
  13         public static Shape[] getShapesSide(net.sf.openrocket.rocketcomponent.RocketComponent component,
  14                         Transformation transformation) {
  15                 net.sf.openrocket.rocketcomponent.MassObject tube = (net.sf.openrocket.rocketcomponent.MassObject)component;
  16
  17                 double length = tube.getLength();
  18                 double radius = tube.getRadius();
  19                 double arc = Math.min(length, 2*radius) * 0.7;
  20                 Coordinate[] start = transformation.transform(tube.toAbsolute(new Coordinate(0,0,0)));
  21
  22                 Shape[] s = new Shape[start.length];
  23                 for (int i=0; i < start.length; i++) {
  24                         s[i] = new RoundRectangle2D.Double(start[i].x*S,(start[i].y-radius)*S,
  25                                         length*S,2*radius*S,arc*S,arc*S);
  26                 }
  27                 return s;
  28         }
  29
  30
  31         public static Shape[] getShapesBack(net.sf.openrocket.rocketcomponent.RocketComponent component,
  32                         Transformation transformation) {
  33                 net.sf.openrocket.rocketcomponent.MassObject tube = (net.sf.openrocket.rocketcomponent.MassObject)component;
  34
  35                 double or = tube.getRadius();
  36
  37                 Coordinate[] start = transformation.transform(tube.toAbsolute(new Coordinate(0,0,0)));
  38
  39                 Shape[] s = new Shape[start.length];
  40                 for (int i=0; i < start.length; i++) {
  41                         s[i] = new Ellipse2D.Double((start[i].z-or)*S,(start[i].y-or)*S,2*or*S,2*or*S);
  42                 }
  43                 return s;
  44         }
  45
  46
  47 }