79 lines
No EOL
2.4 KiB
C#
79 lines
No EOL
2.4 KiB
C#
using System;
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using StereoKit;
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// build this out tentatively
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public abstract class SpatialCursor {
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public Vec3 pos;
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public Quat rot;
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public static Model model = Model.FromFile("cursor.glb", Shader.Default);
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}
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// : SpatialCursor
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public class ReachCursor {
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static Material unlitMat = Default.MaterialUnlit.Copy();
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static Model modelCursor = Model.FromFile("cursor.glb", Shader.Default);
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static Model modelSphere = new Model(Default.MeshSphere, unlitMat);
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static Vec3[] pullPoints = new Vec3[2];
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public void Step() {
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for (int h = 0; h < (int)Handed.Max; h++) {
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// Get the pose for the index fingertip
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Hand hand = Input.Hand((Handed)h);
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Vec3 indexTip = hand[FingerId.Index, JointId.Tip].Pose.position;
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Vec3 thumbTip = hand[FingerId.Thumb, JointId.Tip].Pose.position;
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Vec3 pinchPos = Vec3.Lerp(indexTip, thumbTip, 0.5f);
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if (hand.IsPinched) {
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pullPoints[h] = pinchPos;
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}
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float stretch = (pullPoints[h] - pinchPos).Length;
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Vec3 dir = (pinchPos - pullPoints[h]).Normalized;
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Vec3 pos = pinchPos + dir * stretch * 3;
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modelCursor.Draw(Matrix.TS(pos, 0.06f));
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Lines.Add(pullPoints[h], pos, Color.White, 0.01f);
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modelSphere.Draw(Matrix.TS(pullPoints[h], 0.04f));
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}
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}
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}
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public class TwistCursor : SpatialCursor {
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public void Step(Vec3 mainPos, Quat mainQuat) {
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Quat rel = Quat.LookAt(Vec3.Zero, mainQuat * Vec3.Forward);
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float twist = (Vec3.Dot(rel * -Vec3.Right, mainQuat * Vec3.Up) + 1) / 2;
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pos = mainPos + mainQuat * Vec3.Forward * twist;
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model.Draw(Matrix.TS(pos, 0.06f));
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}
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}
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public class SupineCursor : SpatialCursor {
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float calibStr;
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Quat calibQuat;
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public void Step(Vec3 mainPos, Quat offQuat, Quat mainQuat, bool calibrate = false) {
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Quat rel = Quat.LookAt(Vec3.Zero, offQuat * Vec3.Forward);
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float twist = (Vec3.Dot(rel * -Vec3.Right, offQuat * Vec3.Up) + 1) / 2;
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pos = mainPos + mainQuat * calibQuat * Vec3.Forward * calibStr * twist;
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if (calibrate) {
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Vec3 target = Input.Head.position + Input.Head.Forward;
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calibStr = Vec3.Distance(mainPos, target) * 2;
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Quat calibAlign = Quat.LookAt(mainPos, target);
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calibQuat = mainQuat.Inverse * calibAlign;
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}
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model.Draw(Matrix.TS(pos, 0.06f));
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}
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}
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public class TankCursor : SpatialCursor {
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public void Step() {
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pos = Vec3.Zero;
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rot = Quat.Identity;
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model.Draw(Matrix.TS(pos, 0.06f));
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}
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} |