samples: trivial refactoring for more compact code

src/test/java/testjoltjni/app/samples/broadphase/BroadPhaseInsertionTest.java

@@ -29,7 +29,7 @@ of this software and associated documentation files (the "Software"), to deal
 
 public class BroadPhaseInsertionTest extends BroadPhaseTest{
 DefaultRandomEngine mRandomGenerator = new DefaultRandomEngine();
-int mCurrentBody = 0;
+int mCurrentBody;
 int mDirection = 1;
 public void Initialize()
 {

src/test/java/testjoltjni/app/samples/character/CharacterPlanetTest.java

@@ -35,14 +35,14 @@ of this software and associated documentation files (the "Software"), to deal
  * https://github.com/jrouwe/JoltPhysics/blob/master/Samples/Tests/Character/CharacterPlanetTest.cpp
  */
 public class CharacterPlanetTest extends Test{
-final float cPlanetRadius = 20.0f;
+float cPlanetRadius=20;
 final float cCharacterHeightStanding = 1.35f;
 final float cCharacterRadiusStanding = 0.3f;
-final float cJumpSpeed = 4.0f;
+float cJumpSpeed=4;
 CharacterVirtualRef mCharacter=new CharacterVirtualRef();
 Vec3 mDesiredVelocity=Vec3.sZero();
 Vec3 mDesiredVelocityWS=Vec3.sZero();
-boolean mJump = false;
+boolean mJump;
 
 public void Initialize()
 {

src/test/java/testjoltjni/app/samples/constraints/PoweredHingeConstraintTest.java

@@ -31,11 +31,11 @@ of this software and associated documentation files (the "Software"), to deal
  * https://github.com/jrouwe/JoltPhysics/blob/master/Samples/Tests/Constraints/PoweredHingeConstraintTest.cpp
  */
 public class PoweredHingeConstraintTest extends Test{
-float sMaxAngularAcceleration = Jolt.degreesToRadians(3600.0f);
-float sMaxFrictionAngularAcceleration = 0.0f;
-float sFrequency = 2.0f;
-float sDamping = 1.0f;
-HingeConstraint mConstraint = null;
+float sMaxAngularAcceleration=Jolt.degreesToRadians(3600);
+float sMaxFrictionAngularAcceleration;
+float sFrequency=2;
+float sDamping=1;
+HingeConstraint mConstraint;
 float mInertiaBody2AsSeenFromConstraint;
 
 public void Initialize()

src/test/java/testjoltjni/app/samples/constraints/SwingTwistConstraintTest.java

@@ -33,10 +33,10 @@ of this software and associated documentation files (the "Software"), to deal
  * https://github.com/jrouwe/JoltPhysics/blob/master/Samples/Tests/Constraints/SwingTwistConstraintTest.cpp
  */
 public class SwingTwistConstraintTest extends Test{
-float sNormalHalfConeAngle=Jolt.degreesToRadians(60);
-float sPlaneHalfConeAngle=Jolt.degreesToRadians(20);
-float sTwistMinAngle=Jolt.degreesToRadians(-10);
-float sTwistMaxAngle=Jolt.degreesToRadians(20);
+float sNormalHalfConeAngle=degreesToRadians(60);
+float sPlaneHalfConeAngle=degreesToRadians(20);
+float sTwistMinAngle=degreesToRadians(-10);
+float sTwistMaxAngle=degreesToRadians(20);
 List<TwoBodyConstraintRef>mConstraints=new ArrayList<>();
 
 public void Initialize()
@@ -54,13 +54,13 @@ public void Initialize()
 		group_filter.disableCollision(i, i + 1);
 
 	Body prev = null;
-	Quat rotation = Quat.sRotation(Vec3.sAxisZ(), 0.5f * Jolt.JPH_PI);
+	Quat rotation = Quat.sRotation(Vec3.sAxisZ(), 0.5f * JPH_PI);
 	RVec3 position=new RVec3(0, 25, 0);
 	for (int i = 0; i < cChainLength; ++i)
 	{
 		Op.plusEquals(position ,new Vec3(2.0f * half_cylinder_height, 0, 0));
 
-		Body segment = mBodyInterface.createBody(new BodyCreationSettings(new CapsuleShape(half_cylinder_height, 0.5f), position, Op.multiply(Quat.sRotation(Vec3.sAxisX(), 0.25f * Jolt.JPH_PI * i) , rotation), i == 0? EMotionType.Static : EMotionType.Dynamic, i == 0? Layers.NON_MOVING : Layers.MOVING));
+		Body segment = mBodyInterface.createBody(new BodyCreationSettings(new CapsuleShape(half_cylinder_height, 0.5f), position, Op.multiply(Quat.sRotation(Vec3.sAxisX(), 0.25f * JPH_PI * i) , rotation), i == 0? EMotionType.Static : EMotionType.Dynamic, i == 0? Layers.NON_MOVING : Layers.MOVING));
 		segment.setCollisionGroup(new CollisionGroup(group_filter, 0, (i)));
 		mBodyInterface.addBody(segment.getId(), EActivation.Activate);
 		if (i != 0)

src/test/java/testjoltjni/app/samples/vehicle/TankTest.java

@@ -37,19 +37,15 @@ public class TankTest extends VehicleTest{
 Body mTankBody;
 Body mTurretBody;
 Body mBarrelBody;
+boolean mFire;
+float mBarrelPitch, mBrake, mForward, mReloadTime, mTurretHeading;
 VehicleConstraint mVehicleConstraint;
 HingeConstraint mTurretHinge;
 HingeConstraint mBarrelHinge;
-float mReloadTime = 0.0f;
-RVec3 mCameraPivot = RVec3.sZero();
-float mForward = 0.0f;
-float mPreviousForward = 1.0f;
+RVec3 mCameraPivot=RVec3.sZero();
+float mPreviousForward=1;
 float mLeftRatio=1;
 float mRightRatio=1;
-float mBrake = 0.0f;
-float mTurretHeading = 0.0f;
-float mBarrelPitch = 0.0f;
-boolean mFire = false;
 
 public void Initialize()
 {