Package javax.vecmath

Examples of javax.vecmath.Vector3f.lengthSquared()

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/*  86 */     Vector3f axis1 = new Vector3f();
/*  87 */     axis1.normalize(axis);
/*     */
/*  90 */     Vector3f normal = new Vector3f(0.0F, 1.0F, 0.0F);
/*  91 */     normal.cross(axis1, normal);
/*  92 */     if (normal.lengthSquared() < 0.5F) {
/*  93 */       normal.set(0.0F, 0.0F, 1.0F);
/*  94 */       normal.cross(axis1, normal);
/*     */     }
/*  96 */     normal.normalize();
/*     */
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        Vector3f offset = new Vector3f(camera.getViewingDirection());
        offset.scale(2);
        spawnPos.add(offset);
        Vector3f dir = new Vector3f(camera.getViewingDirection());
        dir.y = 0;
        if (dir.lengthSquared() > 0.001f) {
            dir.normalize();
        } else {
            dir.set(Direction.FORWARD.getVector3f());
        }
        Quat4f rotation = QuaternionUtil.shortestArcQuat(Direction.FORWARD.getVector3f(), dir, new Quat4f());
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        }

        private float score(Vector3i chunkPos) {
            Vector3f vec = chunkPos.toVector3f();
            vec.sub(localPlayer.getPosition());
            return vec.lengthSquared();
        }
    }
}
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        // player
        LocalPlayer localPlayer = CoreRegistry.get(LocalPlayer.class);
        if (localPlayer != null) {
            Vector3f dist = new Vector3f(worldPos);
            dist.sub(localPlayer.getPosition());
            double distanceToPlayer = dist.lengthSquared();

            ai.inDanger = false;
            if (ai.dieIfPlayerFar && distanceToPlayer > ai.dieDistance) {
                entity.destroy();
            }
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            // TODO: shouldn't use local player, need some way to find nearest player
            LocalPlayer localPlayer = CoreRegistry.get(LocalPlayer.class);
            if (localPlayer != null) {
                Vector3f dist = new Vector3f(worldPos);
                dist.sub(localPlayer.getPosition());
                double distanceToPlayer = dist.lengthSquared();

                if (distanceToPlayer > 6 && distanceToPlayer < 16) {
                    // Head to player
                    ai.movementTarget.set(localPlayer.getPosition());
                    ai.followingPlayer = true;
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            SweepCallback callback = collider.sweep(position, targetPos, VERTICAL_PENETRATION, -1.0f);
            float actualDist = Math.max(0,
                    (remainingDist + VERTICAL_PENETRATION_LEEWAY) * callback.getClosestHitFraction() - VERTICAL_PENETRATION_LEEWAY);
            Vector3f expectedMove = new Vector3f(targetPos);
            expectedMove.sub(position);
            if (expectedMove.lengthSquared() > physics.getEpsilon()) {
                expectedMove.normalize();
                expectedMove.scale(actualDist);
                position.add(expectedMove);
            }
            remainingDist -= actualDist;
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                    if (slope < slopeFactor) {
                        remainingDist -= actualDist;
                        expectedMove.set(targetPos);
                        expectedMove.sub(position);
                        extractResidualMovement(callback.getHitNormalWorld(), expectedMove);
                        float sqrDist = expectedMove.lengthSquared();
                        if (sqrDist > physics.getEpsilon()) {
                            expectedMove.normalize();
                            if (expectedMove.dot(normalizedDir) <= 0.0f) {
                                hit = true;
                                break;
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                    if (!stepping) {
                        horizontalHit = true;
                        Vector3f newHorizDir = new Vector3f(newDir.x, 0, newDir.z);
                        Vector3f horizNormal = new Vector3f(callback.getHitNormalWorld().x, 0,
                                callback.getHitNormalWorld().z);
                        if (horizNormal.lengthSquared() > physics.getEpsilon()) {
                            horizNormal.normalize();
                            if (lastHitNormal.dot(horizNormal) > physics.getEpsilon()) {
                                break;
                            }
                            lastHitNormal.set(horizNormal);
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    private void walk(final CharacterMovementComponent movementComp, final CharacterStateEvent state,
                      CharacterMoveInputEvent input, EntityRef entity) {
        Vector3f desiredVelocity = new Vector3f(input.getMovementDirection());

        float lengthSquared = desiredVelocity.lengthSquared();

        // If the length of desired movement is > 1, normalise it to prevent movement being faster than allowed.
        // (Desired velocity < 1 is allowed, as the character may wish to walk/crawl/otherwise move slowly)
        if (lengthSquared > 1) {
            desiredVelocity.normalize();
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    protected boolean checkDistance(Vector3f soundPosition) {
        Vector3f distance = new Vector3f(soundPosition);
        distance.sub(listenerPosition);

        return distance.lengthSquared() < MAX_DISTANCE_SQUARED;
    }

    @Override
    public AssetFactory<StaticSoundData, StaticSound> getStaticSoundFactory() {
        return new AssetFactory<StaticSoundData, StaticSound>() {
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