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Merge pull request #1850 from SiboVG/issue-1849

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[#1849] Fix bounding box calculations for pods with mass components
This commit is contained in:
Joe Pfeiffer 2022-11-27 16:29:03 -07:00 committed by GitHub
commit 87b021749f
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2 changed files with 40 additions and 0 deletions
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7
core/src/net/sf/openrocket/rocketcomponent/FlightConfiguration.java
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@ -748,7 +748,12 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
} else {
// Legacy Case: These components do not implement the BoxBounded Interface.
Collection<Coordinate> instanceCoordinates = component.getComponentBounds();
List<RocketComponent> parsedContexts = new ArrayList<>();
for (InstanceContext context : contexts) {
// Don't parse the same context component twice (e.g. multiple copies in a pod set).
if (parsedContexts.contains(context.component)) {
continue;
}
Collection<Coordinate> transformedCoords = new ArrayList<>(instanceCoordinates);
// mutating. Transforms coordinates in place.
context.transform.transform(instanceCoordinates);
@ -759,7 +764,9 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
}
componentBounds.update(tc);
}
parsedContexts.add(context.component);
}
parsedContexts.clear();
}
rocketBoundsAerodynamic.update(componentBoundsAerodynamic);

33
core/test/net/sf/openrocket/rocketcomponent/BoundingBoxTest.java
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@ -102,4 +102,37 @@ public class BoundingBoxTest extends BaseTestCase {
assertEquals( 0.12069451, bounds.max.z, EPSILON);
}
@Test
public void testPodsBoundingBox() {
Rocket rocket = TestRockets.makeEndPlateRocket();
// DEBUG
System.err.println(rocket.toDebugTree());
BoundingBox bounds = rocket.getBoundingBox();
assertEquals( 0.0, bounds.min.x, EPSILON);
assertEquals( 0.304, bounds.max.x, EPSILON);
assertEquals( -0.0365, bounds.min.y, EPSILON);
assertEquals( 0.0365, bounds.max.y, EPSILON);
assertEquals( -0.0365, bounds.min.z, EPSILON);
assertEquals( 0.0365, bounds.max.z, EPSILON);
// Add a mass component to the pod set (to test GitHub issue #1849)
PodSet podSet = (PodSet) rocket.getChild(0).getChild(1).getChild(1);
BodyTube tube = (BodyTube) podSet.getChild(0);
tube.addChild(new MassComponent());
bounds = rocket.getBoundingBox();
assertEquals( 0.0, bounds.min.x, EPSILON);
assertEquals( 0.304, bounds.max.x, EPSILON);
assertEquals( -0.0365, bounds.min.y, EPSILON);
assertEquals( 0.0365, bounds.max.y, EPSILON);
assertEquals( -0.0365, bounds.min.z, EPSILON);
assertEquals( 0.0365, bounds.max.z, EPSILON);
}
}