git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/rocketcomponent/ReferenceType.java

   1 /**
   2  *
   3  */
   4 package net.sf.openrocket.rocketcomponent;
   5
   6 public enum ReferenceType {
   7
   8         NOSECONE {
   9                 @Override
  10                 public double getReferenceLength(Configuration config) {
  11                         for (RocketComponent c: config) {
  12                                 if (c instanceof SymmetricComponent) {
  13                                         SymmetricComponent s = (SymmetricComponent)c;
  14                                         if (s.getForeRadius() >= 0.0005)
  15                                                 return s.getForeRadius() * 2;
  16                                         if (s.getAftRadius() >= 0.0005)
  17                                                 return s.getAftRadius() * 2;
  18                                 }
  19                         }
  20                         return Rocket.DEFAULT_REFERENCE_LENGTH;
  21                 }
  22         },
  23
  24         MAXIMUM {
  25                 @Override
  26                 public double getReferenceLength(Configuration config) {
  27                         double r = 0;
  28                         for (RocketComponent c: config) {
  29                                 if (c instanceof SymmetricComponent) {
  30                                         SymmetricComponent s = (SymmetricComponent)c;
  31                                         r = Math.max(r, s.getForeRadius());
  32                                         r = Math.max(r, s.getAftRadius());
  33                                 }
  34                         }
  35                         r *= 2;
  36                         if (r < 0.001)
  37                                 r = Rocket.DEFAULT_REFERENCE_LENGTH;
  38                         return r;
  39                 }
  40         },
  41
  42         CUSTOM {
  43                 @Override
  44                 public double getReferenceLength(Configuration config) {
  45                         return config.getRocket().getCustomReferenceLength();
  46                 }
  47         };
  48
  49         public abstract double getReferenceLength(Configuration rocket);
  50 }