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Merge pull request #315 from teyrana/fix-cg

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[Fix][Issue #295] CG now correctly updates when Stages are toggled
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kruland2607 2017-02-01 23:45:03 -06:00 committed by GitHub
commit c8eaca6cb0
2 changed files with 94 additions and 18 deletions
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110
core/test/net/sf/openrocket/masscalc/MassCalculatorTest.java
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@ -402,28 +402,104 @@ public class MassCalculatorTest extends BaseTestCase {
public void testBoosterStructureCM() {
Rocket rocket = TestRockets.makeFalcon9Heavy();
rocket.setName("TestRocket."+Thread.currentThread().getStackTrace()[1].getMethodName());
ParallelStage boosters = (ParallelStage) rocket.getChild(1).getChild(1);
int boostNum = boosters.getStageNumber();
FlightConfiguration config = rocket.getEmptyConfiguration();
config.setOnlyStage( boostNum);
// Validate Boosters
MassCalculator mc = new MassCalculator();
MassData md = mc.calculateBurnoutMassData( config);
Coordinate actCM = md.getCM();
double expMass = BOOSTER_SET_NO_MOTORS_MASS;
double expCMx = BOOSTER_SET_NO_MOTORS_CMX;
double calcMass = actCM.weight;
assertEquals(" Delta Heavy Booster Mass is incorrect: ", expMass, calcMass, EPSILON);
{
// validate payload stage
AxialStage payloadStage = (AxialStage) rocket.getChild(0);
int plNum = payloadStage.getStageNumber();
config.setOnlyStage( plNum );
// System.err.println( config.toStageListDetail());
// System.err.println( rocket.toDebugTree());
MassData upperMass = mc.calculateBurnoutMassData( config );
Coordinate actCM = upperMass.getCM();
double expMass = 0.116287;
double expCMx = 0.278070785749;
assertEquals("Upper Stage Mass is incorrect: ", expMass, upperMass.getCM().weight, EPSILON);
assertEquals("Upper Stage CM.x is incorrect: ", expCMx, upperMass.getCM().x, EPSILON);
assertEquals("Upper Stage CM.y is incorrect: ", 0.0f, upperMass.getCM().y, EPSILON);
assertEquals("Upper Stage CM.z is incorrect: ", 0.0f, upperMass.getCM().z, EPSILON);
}
{
// Validate Boosters
ParallelStage boosters = (ParallelStage) rocket.getChild(1).getChild(1);
int boostNum = boosters.getStageNumber();
config.setOnlyStage( boostNum );
//System.err.println( config.toStageListDetail());
//System.err.println( rocket.toDebugTree());
Coordinate expCM = new Coordinate(expCMx,0,0, expMass);
assertEquals(" Delta Heavy Booster CM.x is incorrect: ", expCM.x, md.getCM().x, EPSILON);
assertEquals(" Delta Heavy Booster CM.y is incorrect: ", expCM.y, md.getCM().y, EPSILON);
assertEquals(" Delta Heavy Booster CM.z is incorrect: ", expCM.z, md.getCM().z, EPSILON);
assertEquals(" Delta Heavy Booster CM is incorrect: ", expCM, md.getCM() );
MassData boosterMass = mc.calculateBurnoutMassData( config);
double expMass = BOOSTER_SET_NO_MOTORS_MASS;
double expCMx = BOOSTER_SET_NO_MOTORS_CMX;
assertEquals("Heavy Booster Mass is incorrect: ", expMass, boosterMass.getCM().weight, EPSILON);
assertEquals("Heavy Booster CM.x is incorrect: ", expCMx, boosterMass.getCM().x, EPSILON);
assertEquals("Heavy Booster CM.y is incorrect: ", 0.0f, boosterMass.getCM().y, EPSILON);
assertEquals("Heavy Booster CM.z is incorrect: ", 0.0f, boosterMass.getCM().z, EPSILON);
}
}
@Test
public void testCMCache() {
Rocket rocket = TestRockets.makeFalcon9Heavy();
rocket.setName("TestRocket."+Thread.currentThread().getStackTrace()[1].getMethodName());
FlightConfiguration config = rocket.getEmptyConfiguration();
MassCalculator mc = new MassCalculator();
{
// validate payload stage
AxialStage payloadStage = (AxialStage) rocket.getChild(0);
int plNum = payloadStage.getStageNumber();
config.setOnlyStage( plNum );
MassData calcMass = mc.calculateBurnoutMassData( config );
double expMass = 0.116287;
double expCMx = 0.278070785749;
assertEquals("Upper Stage Mass is incorrect: ", expMass, calcMass.getCM().weight, EPSILON);
assertEquals("Upper Stage CM.x is incorrect: ", expCMx, calcMass.getCM().x, EPSILON);
assertEquals("Upper Stage CM.y is incorrect: ", 0.0f, calcMass.getCM().y, EPSILON);
assertEquals("Upper Stage CM.z is incorrect: ", 0.0f, calcMass.getCM().z, EPSILON);
MassData rocketLaunchMass = mc.getRocketLaunchMassData( config);
assertEquals("Upper Stage Mass (cache) is incorrect: ", expMass, rocketLaunchMass.getCM().weight, EPSILON);
assertEquals("Upper Stage CM.x (cache) is incorrect: ", expCMx, rocketLaunchMass.getCM().x, EPSILON);
MassData rocketSpentMass = mc.getRocketSpentMassData( config);
assertEquals("Upper Stage Mass (cache) is incorrect: ", expMass, rocketSpentMass.getCM().weight, EPSILON);
assertEquals("Upper Stage CM.x (cache) is incorrect: ", expCMx, rocketSpentMass.getCM().x, EPSILON);
}{
ParallelStage boosters = (ParallelStage) rocket.getChild(1).getChild(1);
int boostNum = boosters.getStageNumber();
config.setOnlyStage( boostNum );
mc.voidMassCache();
MassData boosterMass = mc.calculateBurnoutMassData( config);
double expMass = BOOSTER_SET_NO_MOTORS_MASS;
double expCMx = BOOSTER_SET_NO_MOTORS_CMX;
assertEquals("Heavy Booster Mass is incorrect: ", expMass, boosterMass.getCM().weight, EPSILON);
assertEquals("Heavy Booster CM.x is incorrect: ", expCMx, boosterMass.getCM().x, EPSILON);
assertEquals("Heavy Booster CM.y is incorrect: ", 0.0f, boosterMass.getCM().y, EPSILON);
assertEquals("Heavy Booster CM.z is incorrect: ", 0.0f, boosterMass.getCM().z, EPSILON);
MassData rocketLaunchMass = mc.getRocketLaunchMassData( config);
assertEquals(" Booster Stage Mass (cache) is incorrect: ", expMass, rocketLaunchMass.getCM().weight, EPSILON);
assertEquals(" Booster Stage CM.x (cache) is incorrect: ", expCMx, rocketLaunchMass.getCM().x, EPSILON);
MassData rocketSpentMass = mc.getRocketSpentMassData( config);
assertEquals(" Booster Stage Mass (cache) is incorrect: ", expMass, rocketSpentMass.getCM().weight, EPSILON);
assertEquals(" Booster Stage CM.x (cache) is incorrect: ", expCMx, rocketSpentMass.getCM().x, EPSILON);
}
}

2
swing/src/net/sf/openrocket/gui/components/StageSelector.java
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@ -81,7 +81,7 @@ public class StageSelector extends JPanel implements StateChangeListener {
@Override
public void actionPerformed(ActionEvent e) {
rocket.getSelectedConfiguration().toggleStage(stageNumber);
rocket.fireComponentChangeEvent(ComponentChangeEvent.GRAPHIC_CHANGE);
rocket.fireComponentChangeEvent(ComponentChangeEvent.AEROMASS_CHANGE | ComponentChangeEvent.MOTOR_CHANGE );
}
}