Package javax.vecmath

Examples of javax.vecmath.Quat4f

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    public Vector3f getViewDirection() {
        CharacterComponent character = getCharacterEntity().getComponent(CharacterComponent.class);
        if (character == null) {
            return Direction.FORWARD.getVector3f();
        }
        Quat4f rot = new Quat4f();
        QuaternionUtil.setEuler(rot, TeraMath.DEG_TO_RAD * character.yaw, TeraMath.DEG_TO_RAD * character.pitch, 0);
        // TODO: Put a generator for direction vectors in a util class somewhere
        // And just put quaternion -> vector somewhere too
        Vector3f dir = Direction.FORWARD.getVector3f();
        return QuaternionUtil.quatRotate(rot, dir, dir);
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    private void climb(final CharacterStateEvent state, CharacterMoveInputEvent input, Vector3f desiredVelocity) {
        if (state.getClimbDirection() == null) {
            return;
        }
        Quat4f rotation = new Quat4f();
        Vector3f tmp;

        Vector3i climbDir3i = state.getClimbDirection();
        Vector3f climbDir3f = climbDir3i.toVector3f();
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public class Quat4fCopyStrategy implements CopyStrategy<Quat4f> {

    @Override
    public Quat4f copy(Quat4f value) {
        if (value != null) {
            return new Quat4f(value);
        }
        return null;
    }
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    private Quat4f[] quad4fArrayFromFloat16ArrayData(float[] inverseBindMatrixArray) {
        Quat4f[] rotationArray = new Quat4f[inverseBindMatrixArray.length / 16];
        for (int i = 0; i < inverseBindMatrixArray.length / 16; ++i) {
            int offset = i * 16;
            Matrix4f matrix4f = new Matrix4f(Arrays.copyOfRange(inverseBindMatrixArray, offset, offset + 16));
            Quat4f rotation = new Quat4f();
            rotation.set(matrix4f);
            rotationArray[i] = rotation;
        }

        return rotationArray;
    }
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            collider.setWorldTransform(temp);
        }

        @Override
        public BulletSweepCallback sweep(Vector3f startPos, Vector3f endPos, float allowedPenetration, float slopeFactor) {
            Transform startTransform = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), startPos, 1.0f));
            Transform endTransform = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), endPos, 1.0f));
            BulletSweepCallback callback = new BulletSweepCallback(collider, new Vector3f(0, 1, 0), slopeFactor);
            callback.collisionFilterGroup = collider.getBroadphaseHandle().collisionFilterGroup;
            callback.collisionFilterMask = collider.getBroadphaseHandle().collisionFilterMask;
            collider.convexSweepTest((ConvexShape) (collider.getCollisionShape()), startTransform, endTransform, callback, allowedPenetration);
            return callback;
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    @Override
    public void setWorldTransform(Transform transform) {
        LocationComponent loc = entity.getComponent(LocationComponent.class);
        if (loc != null) {
            Quat4f rot = new Quat4f();
            transform.getRotation(rot);
            if (!transform.origin.equals(loc.getWorldPosition()) || !rot.equals(loc.getWorldRotation())) {
                loc.setWorldPosition(transform.origin);
                loc.setWorldRotation(transform.getRotation(new Quat4f()));
                entity.saveComponent(loc);
            }
        }
    }
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        Vector3f fromWorld = new Vector3f(contactPoint);
        fromWorld.y += 0.2f;
        Vector3f toWorld = new Vector3f(contactPoint);
        toWorld.y -= 0.2f;
        CollisionWorld.ClosestRayResultCallback rayResult = new CollisionWorld.ClosestRayResultCallback(fromWorld, toWorld);
        Transform from = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), fromWorld, 1.0f));
        Transform to = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), toWorld, 1.0f));
        Transform targetTransform = this.hitCollisionObject.getWorldTransform(new Transform());
        CollisionWorld.rayTestSingle(from, to, this.hitCollisionObject, this.hitCollisionObject.getCollisionShape(), targetTransform, rayResult);
        if (rayResult.hasHit()) {
            foundSlope = true;
            slope = Math.min(slope, rayResult.hitNormalWorld.dot(new Vector3f(0, 1, 0)));
        }
        Vector3f secondTraceOffset = new Vector3f(this.hitNormalWorld);
        secondTraceOffset.y = 0;
        secondTraceOffset.normalize();
        secondTraceOffset.scale(checkingOffset);
        fromWorld.add(secondTraceOffset);
        toWorld.add(secondTraceOffset);
        rayResult = new CollisionWorld.ClosestRayResultCallback(fromWorld, toWorld);
        from = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), fromWorld, 1.0f));
        to = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), toWorld, 1.0f));
        targetTransform = this.hitCollisionObject.getWorldTransform(new Transform());
        CollisionWorld.rayTestSingle(from, to, this.hitCollisionObject, this.hitCollisionObject.getCollisionShape(), targetTransform, rayResult);
        if (rayResult.hasHit()) {
            foundSlope = true;
            slope = Math.min(slope, rayResult.hitNormalWorld.dot(new Vector3f(0, 1, 0)));
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        fromWorld.add(lookAheadOffset);
        Vector3f toWorld = new Vector3f(this.getHitPointWorld());
        toWorld.y -= 0.05f;
        toWorld.add(lookAheadOffset);
        CollisionWorld.ClosestRayResultCallback rayResult = new CollisionWorld.ClosestRayResultCallback(fromWorld, toWorld);
        Transform transformFrom = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), fromWorld, 1.0f));
        Transform transformTo = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), toWorld, 1.0f));
        Transform targetTransform = this.hitCollisionObject.getWorldTransform(new Transform());
        CollisionWorld.rayTestSingle(transformFrom, transformTo, this.hitCollisionObject, this.hitCollisionObject.getCollisionShape(), targetTransform, rayResult);
        if (rayResult.hasHit()) {
            hitStep = true;
            stepSlope = rayResult.hitNormalWorld.dot(new Vector3f(0, 1, 0));
        }
        fromWorld.add(lookAheadOffset);
        toWorld.add(lookAheadOffset);
        rayResult = new CollisionWorld.ClosestRayResultCallback(fromWorld, toWorld);
        transformFrom = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), fromWorld, 1.0f));
        transformTo = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), toWorld, 1.0f));
        targetTransform = this.hitCollisionObject.getWorldTransform(new Transform());
        CollisionWorld.rayTestSingle(transformFrom, transformTo, this.hitCollisionObject, this.hitCollisionObject.getCollisionShape(), targetTransform, rayResult);
        if (rayResult.hasHit()) {
            hitStep = true;
            stepSlope = Math.min(stepSlope, rayResult.hitNormalWorld.dot(new Vector3f(0, 1, 0)));
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        }
        return output;
    }

    public Quat4f getWorldRotation() {
        return getWorldRotation(new Quat4f(0, 0, 0, 1));
    }
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        this.position.set(value);
        LocationComponent parentLoc = parent.getComponent(LocationComponent.class);
        if (parentLoc != null) {
            this.position.sub(parentLoc.getWorldPosition());
            this.position.scale(1f / parentLoc.getWorldScale());
            Quat4f rot = new Quat4f(0, 0, 0, 1);
            rot.inverse(parentLoc.getWorldRotation());
            QuaternionUtil.quatRotate(rot, this.position, this.position);
        }
    }
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