146 lines
No EOL
4.1 KiB
C#
146 lines
No EOL
4.1 KiB
C#
namespace Oriels;
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class Trackballer : dof {
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// data
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public Btn btnIn, btnOut;
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public Quat ori = Quat.Identity;
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Quat momentum = Quat.Identity;
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Quat delta = Quat.Identity;
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Vec3 oldTip;
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PullRequest.OneEuroFilter xF = new PullRequest.OneEuroFilter(0.0001f, 0.1f);
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PullRequest.OneEuroFilter yF = new PullRequest.OneEuroFilter(0.0001f, 0.1f);
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PullRequest.OneEuroFilter zF = new PullRequest.OneEuroFilter(0.0001f, 0.1f);
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Model model = Model.FromFile("thumb_pad.glb");
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Mesh mesh;
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public void Init() {
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mesh = model.GetMesh("Pad");
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}
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public void Frame() {
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Hand hand = Input.Hand(handed);
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if (hand.tracked.IsActive() && !hand.tracked.IsJustActive()) {
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Vec3 anchor = hand.Get(FingerId.Index, JointId.KnuckleMajor).position;
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anchor = anchor + hand.palm.orientation * new Vec3(handed == Handed.Left ? -0.006f : 0.006f, 0.01f, -0.04f);
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Matrix mAnchor = Matrix.TR(anchor, hand.palm.orientation);
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Matrix mAnchorInv = mAnchor.Inverse;
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Vec3 thumbTip = hand.Get(FingerId.Thumb, JointId.Tip).position;
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Vec3 tipDelta = mAnchorInv.Transform(thumbTip) - mAnchorInv.Transform(oldTip);
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oldTip = thumbTip;
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Vec3 thumbKnuckle = hand.Get(FingerId.Thumb, JointId.KnuckleMinor).position;
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Quat thumbRot = hand.Get(FingerId.Thumb, JointId.Tip).orientation;
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Matrix mMesh = Matrix.TRS(
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thumbTip,
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thumbRot,
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new Vec3(handed == Handed.Left ? -1f : 1f, 1f, 1f) * 0.1666f
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);
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// mesh.Draw(Mono.inst.matHolo, mMesh, new Color(0, 0, 1));
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// closest to anchor
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float closest = 1000f;
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int closestIndex = -1;
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Vertex[] verts = mesh.GetVerts();
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for (int i = 0; i < verts.Length; i++) {
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Vec3 v = mMesh * verts[i].pos;
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float d = (v - anchor).Length;
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if (d < closest) {
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closest = d;
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closestIndex = i;
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}
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}
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// Mesh.Sphere.Draw(Mono.inst.matHolo, Matrix.TRS(mMesh * verts[closestIndex].pos, Quat.Identity, 0.01f), new Color(1, 0, 0));
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//
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Vec3 pad = anchor.SnapToLine(
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thumbKnuckle, thumbTip,
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true,
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out float t, 0f, 1f
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);
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// t = 1 - t;
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// scale to 0.666f - 1f
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// t = (t - 0.666f) / 0.334f;
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t = t * t;
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t = 1 - t;
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pad += hand.Get(FingerId.Thumb, JointId.Tip).orientation * -Vec3.Up * 0.00666f * t;
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// Vec3 localPad = mAnchorInv.Transform(pad);
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Vec3 localPad = mAnchorInv.Transform(thumbTip);
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localPad.x = (float)xF.Filter(localPad.x, (double)Time.Elapsedf);
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localPad.y = (float)yF.Filter(localPad.y, (double)Time.Elapsedf);
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localPad.z = (float)zF.Filter(localPad.z, (double)Time.Elapsedf);
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// Lines.Add(thumbTip, thumbKnuckle, Color.White, 0.002f);
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Mesh.Sphere.Draw(Mono.inst.matHolo, Matrix.TRS(mAnchor.Transform(localPad), hand.palm.orientation, 0.004f), new Color(0, 1, 0));
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if (btnIn.held) {
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btnIn.Step(localPad.Length < layer[1]);
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} else {
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btnIn.Step(localPad.Length < layer[0]);
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}
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float inT = btnIn.held ? 1 : 0.333f;
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if (btnOut.held) {
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btnOut.Step(localPad.Length > layer[1]);
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} else {
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btnOut.Step(localPad.Length > layer[2]);
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}
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float outT = btnOut.held ? 1 : 0.333f;
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if (btnIn.held) {
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delta = momentum = Quat.Identity;
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} else {
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if (localPad.Length < layer[1]) {
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delta = PullRequest.Relative(
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hand.palm.orientation,
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Quat.Delta(
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localPad.Normalized,
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(localPad + tipDelta).Normalized
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)
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).Normalized;
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momentum = Quat.Slerp(momentum, delta, Time.Elapsedf * 10f);
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}
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}
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// Draw
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Mesh.Sphere.Draw(Mono.inst.matHolo, Matrix.TRS(anchor, ori, 0.04f), new Color(inT, 0, 0));
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Mesh.Cube.Draw(Mono.inst.matHolo, Matrix.TRS(anchor, ori, 0.04f), new Color(0, outT * 0.2f, 0));
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}
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Quat newOri = momentum * ori;
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if (new Vec3(newOri.x, newOri.y, newOri.z).LengthSq > 0) {
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ori = newOri;
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}
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}
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// design
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public Handed handed = Handed.Left;
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public float[] layer = new float[] { 0.00333f, 0.02f, 0.0666f };
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}
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/*
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COMMENTS
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distinct interactions to account for (relative to palm orientation)
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w/rating assuming perfect tracking
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y swipe (10/10)
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z swipe (05/10)
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x spin (02/10)
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how reliable is the provided palm orientation?
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show when you are about to boolean
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2d pad?
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*/ |