85 lines
4.4 KiB
C#
85 lines
4.4 KiB
C#
/************************************************************************************
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Copyright : Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
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Your use of this SDK or tool is subject to the Oculus SDK License Agreement, available at
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https://developer.oculus.com/licenses/oculussdk/
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Unless required by applicable law or agreed to in writing, the Utilities SDK distributed
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under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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ANY KIND, either express or implied. See the License for the specific language governing
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permissions and limitations under the License.
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************************************************************************************/
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using System.Collections.Generic;
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namespace Oculus.Interaction.PoseDetection
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{
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public static class FingerFeatureProperties
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{
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public static readonly FeatureStateDescription[] CurlFeatureStates =
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{
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new FeatureStateDescription("0", "Open"),
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new FeatureStateDescription("1", "Neutral"),
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new FeatureStateDescription("2", "Closed"),
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};
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public static readonly FeatureStateDescription[] FlexionFeatureStates =
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{
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new FeatureStateDescription("3", "Open"),
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new FeatureStateDescription("4", "Neutral"),
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new FeatureStateDescription("5", "Closed"),
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};
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public static readonly FeatureStateDescription[] AbductionFeatureStates =
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{
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new FeatureStateDescription("6", "None"),
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new FeatureStateDescription("7", "Closed"),
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new FeatureStateDescription("8", "Open"),
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};
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public static readonly FeatureStateDescription[] OppositionFeatureStates =
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{
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new FeatureStateDescription("9", "Touching"),
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new FeatureStateDescription("10", "Near"),
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new FeatureStateDescription("11", "None"),
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};
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public static IReadOnlyDictionary<FingerFeature, FeatureDescription> FeatureDescriptions
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{
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get;
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} =
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new Dictionary<FingerFeature, FeatureDescription>
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{
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[FingerFeature.Curl] = new FeatureDescription(
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"Convex angle (in degrees) representing the top 2 joints of the fingers. Angle increases as finger curl becomes closed.",
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"Calculated from the average of the convex angles formed by the 2 bones connected to Joint 2, and 2 bones connected to Joint 3.\n" +
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"Values above 180 Positive show a curled state, while values below 180 represent hyper-extension.",
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180,
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260,
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CurlFeatureStates),
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[FingerFeature.Flexion] = new FeatureDescription(
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"Convex angle (in degrees) of joint 1 of the finger. Angle increases as finger flexion becomes closed.",
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"Calculated from the angle between the bones connected to finger Joint 1 around the Z axis of the joint.\n" +
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"For fingers, joint 1 is commonly known as the 'Knuckle'; but for the thumb it is alongside the wrist.\n" +
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"Values above 180 Positive show a curled state, while values below 180 represent hyper-extension." +
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"upwards from the palm.",
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180,
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260,
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FlexionFeatureStates),
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[FingerFeature.Abduction] = new FeatureDescription(
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"Angle (in degrees) between the given finger, and the next finger towards the pinkie.",
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"Zero value implies that the two fingers are parallel.\n" +
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"Positive angles indicate that the fingertips are spread apart.\n" +
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"Small negative angles are possible, and indicate that the finger is pressed up against the next finger.",
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8,
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90,
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AbductionFeatureStates),
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[FingerFeature.Opposition] = new FeatureDescription(
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"Distance between the tip of the given finger and the tip of the thumb.\n" +
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"Calculated tracking space, with a 1.0 hand scale.",
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"Positive values indicate that the fingertips are spread apart.\n" +
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"Negative values are not possible.",
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0,
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0.2f,
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OppositionFeatureStates)
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};
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}
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}
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