Examples of com.ardor3d.math.Quaternion.fromAngleAxis()

com.ardor3d.math.Quaternion.fromAngleAxis()
Sets the values of this quaternion to the values represented by a given angle and axis of rotation. Note that this method creates an object, so use fromAngleNormalAxis if your axis is already normalized. If axis == 0,0,0 the quaternion is set to identity. @param angle the angle to rotate (in radians). @param axis the axis of rotation. @return this quaternion for chaining @throws NullPointerException if axis is null

                    // range is now 0 to 90 degrees, reflected
                    angle = Math.abs(angle);
                    // range is now -45 to 45 degrees
                    angle -= MathUtils.HALF_PI / 2.0;


                    headRotation.fromAngleAxis(angle, Vector3.UNIT_X);
                    headSource.setJointRotation(headJoint, headRotation);
                }
            }
        });

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            // Neck
            final Quaternion q = Quaternion.fetchTempInstance();
            final double vv = (time % (LOOP_TIME * 2d)) / LOOP_TIME - 1d;
            final double v = (vv > 0) ? vv : -vv;
            q.fromAngleAxis(v * 60 * MathUtils.DEG_TO_RAD - 30 * MathUtils.DEG_TO_RAD, Vector3.UNIT_Z);
            targetJoint(pose, 13, q);


            q.fromAngleAxis(v * 5 * MathUtils.DEG_TO_RAD - 35 * MathUtils.DEG_TO_RAD, Vector3.UNIT_X);
            q.fromAngleAxis(v * 75 * MathUtils.DEG_TO_RAD, Vector3.UNIT_X);

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            final double vv = (time % (LOOP_TIME * 2d)) / LOOP_TIME - 1d;
            final double v = (vv > 0) ? vv : -vv;
            q.fromAngleAxis(v * 60 * MathUtils.DEG_TO_RAD - 30 * MathUtils.DEG_TO_RAD, Vector3.UNIT_Z);
            targetJoint(pose, 13, q);


            q.fromAngleAxis(v * 5 * MathUtils.DEG_TO_RAD - 35 * MathUtils.DEG_TO_RAD, Vector3.UNIT_X);
            q.fromAngleAxis(v * 75 * MathUtils.DEG_TO_RAD, Vector3.UNIT_X);


            Quaternion.releaseTempInstance(q);


            p.setLocation(Math.sin(time) * 5, Math.cos(time) * 5 + 10, 5);

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            final double v = (vv > 0) ? vv : -vv;
            q.fromAngleAxis(v * 60 * MathUtils.DEG_TO_RAD - 30 * MathUtils.DEG_TO_RAD, Vector3.UNIT_Z);
            targetJoint(pose, 13, q);


            q.fromAngleAxis(v * 5 * MathUtils.DEG_TO_RAD - 35 * MathUtils.DEG_TO_RAD, Vector3.UNIT_X);
            q.fromAngleAxis(v * 75 * MathUtils.DEG_TO_RAD, Vector3.UNIT_X);


            Quaternion.releaseTempInstance(q);


            p.setLocation(Math.sin(time) * 5, Math.cos(time) * 5 + 10, 5);
            if (updateLight) {

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