diff options
Diffstat (limited to 'src/tesseract/objects/PlanarPolygon.java')
| -rw-r--r-- | src/tesseract/objects/PlanarPolygon.java | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/tesseract/objects/PlanarPolygon.java b/src/tesseract/objects/PlanarPolygon.java index 0abda1b..0521062 100644 --- a/src/tesseract/objects/PlanarPolygon.java +++ b/src/tesseract/objects/PlanarPolygon.java @@ -73,6 +73,14 @@ public class PlanarPolygon extends PhysicalObject { super(position, mass);
setShape(createShape(radius, divisions));
+
+ if (inverseMass != 0) {
+ inverseInertiaTensor.m00 = 1f / 4 / inverseMass * radius * radius;
+ inverseInertiaTensor.m11 = 2 * inverseInertiaTensor.m00;
+ inverseInertiaTensor.m22 = inverseInertiaTensor.m00;
+ inverseInertiaTensor.invert();
+ }
+ updateTransformGroup();
}
/**
* Create a new Ellipsoid.
@@ -84,6 +92,14 @@ public class PlanarPolygon extends PhysicalObject { super(position, DEFAULT_MASS);
setShape(createShape(radius, DEFAULT_DIVISIONS));
+
+ if (inverseMass != 0) {
+ inverseInertiaTensor.m00 = 1f / 4 / inverseMass * radius * radius;
+ inverseInertiaTensor.m11 = 2 * inverseInertiaTensor.m00;
+ inverseInertiaTensor.m22 = inverseInertiaTensor.m00;
+ inverseInertiaTensor.invert();
+ }
+ updateTransformGroup();
}
|