Trackballer 1st draft

README.md

@@ -6,4 +6,9 @@
 **mapped out by:**  
 <a href='https://ethanmerchant.com'>@spatialfree</a> &times; <a href='https://twitter.com/opendegree'>@opendegree</a>
 
+<a href='https://dofdev.org'>
 	<img src='zrc/channel-icon-tranparent.png' width="64px">  
+</a>
+<a href='https://stereokit.net'>
+<img src='zrc/StereoKitLogoLight.svg' width="32px">  
+</a>

app/PullRequest.cs

@@ -61,6 +61,8 @@ public static class PullRequest {
 		).Normalized;
 	}
 
+  // Quat q;
+  // public static void Relative(Quat to) => q = to * q * to.Inverse;
 	public static Quat Relative(Quat to, Quat delta) {
 		return (to * delta * to.Inverse).Normalized;
 	}

app/dofs/stretch-cursor/og/StretchCursor.cs

@@ -1,15 +1,13 @@
 namespace Oriels;
 
 class StretchCursor : dof {
-  Pose p0, p1;
+	// input
-  public StretchCursor() {
+  public Pose p0, p1;
-    
-  }
 
+	// data 
   public Pose cursor;
-  public void Init() {
 
-  }
+  public void Init() {}
 
   public void Frame() {
     Vec3   vec      = p0.position - p1.position;
@@ -22,6 +20,7 @@ class StretchCursor : dof {
     Mesh.Cube.Draw(Material.Default, Matrix.TS(cursor.position, 0.01f));
   }
 
+	// design
   public bool  backhand = true;
   public float deadzone = 0.1f;
   public float strength = 3f;

app/dofs/stretch-cursor/wave/WaveCursor.cs

@@ -6,9 +6,11 @@ class WaveCursor : dof {
   }
 
   Vec3 oldLocalPad;
+  Quat delta;
   public Pose cursor = Pose.Identity;
+	Material mat = Material.Default;
   public void Init() {
-
+		mat.SetTexture("diffuse", Tex.DevTex);
   }
 
   bool isTracking = false;
@@ -49,25 +51,28 @@ class WaveCursor : dof {
 
 
     Vec3 pad = Vec3.Lerp(
-      hand.Get(FingerId.Thumb, JointId.Tip).position,
       hand.Get(FingerId.Thumb, JointId.KnuckleMinor).position,
+      hand.Get(FingerId.Thumb, JointId.Tip).position,
       0.5f
     );
+    Vec3 localPad = mAnchorInv.Transform(pad);
+
     Color color = Color.White;
-    if (Vec3.Distance(pad, anchor) < 0.02f) {
+    if (localPad.Length < 0.015f) {
       color = new Color(1, 0, 0);
     }
 
-    Vec3 localPad = mAnchorInv.Transform(pad);
+    if (localPad.Length < 0.03f && isTracking) {
-    if (Vec3.Distance(pad, anchor) < 0.04f && isTracking) { // localPad.Length < 0.04f
+			delta = PullRequest.Relative(
-      // one of the dirs is 0
-      // they are the same
-      // 
-      cursor.orientation = PullRequest.Relative(
         hand.palm.orientation,
         PullRequest.Delta(localPad.Normalized, oldLocalPad.Normalized)
-      ) * cursor.orientation;
+      ).Normalized;
     }
+
+		if (isTracking) {
+			cursor.orientation = delta * cursor.orientation;
+		}
+
     // Lines.Add(
     //   mAnchor.Transform(padIn),
     //   mAnchor.Transform(padOut), 
@@ -80,8 +85,8 @@ class WaveCursor : dof {
 
 
 
-    Mesh.Sphere.Draw(Material.Default, Matrix.TS(anchor, 0.02f), color);
+    Mesh.Sphere.Draw(mat, Matrix.TRS(anchor, cursor.orientation, 0.045f), color);
-    Mesh.Cube.Draw(Material.Default, Matrix.TRS(anchor, cursor.orientation, 0.02f));
+    // Mesh.Cube.Draw(Material.Default, Matrix.TRS(anchor, cursor.orientation, 0.02f));
 
 
     if (isTracking) { Demo(); }

zrc/StereoKitLogoLight.svg

@@ -0,0 +1,37 @@
+
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" preserveAspectRatio="none" x="0px" y="0px" width="400px" height="400px" viewBox="0 0 400 400">
+<defs>
+<g id="Symbol_15_0_Layer0_0_FILL">
+<path fill="#FF0000" stroke="none" d="
+M 104.65 0.2
+Q 102 0.05 99.3 0.05 58.15 0.05 29.05 29.1 0 58.2 0 99.35 0 140.5 29.05 169.55 58 198.5 98.95 198.65 65.35 194.95 40.5 170.1 11.35 140.95 11.35 99.65 11.35 58.35 40.5 29.15 67.45 2.25 104.65 0.2
+M 169 157.5
+Q 193.1 133.45 193.1 99.4 193.1 65.35 169 41.25 144.95 17.2 110.9 17.2 108.15 17.2 105.5 17.35 135.5 19.4 157.25 41.15 181.3 65.2 181.3 99.2 181.3 133.2 157.25 157.2 134.35 180.15 102.3 181.2 106.5 181.6 110.9 181.6 144.95 181.6 169 157.5 Z"/>
+
+<path fill="#FFFFFF" stroke="none" d="
+M 169.5 169.55
+Q 198.6 140.5 198.6 99.35 198.6 58.2 169.5 29.1 142.35 1.95 104.65 0.2 67.45 2.25 40.5 29.15 11.35 58.35 11.35 99.65 11.35 140.95 40.5 170.1 65.35 194.95 98.95 198.65 99.1 198.65 99.3 198.65 140.45 198.65 169.5 169.55
+M 193.1 99.4
+Q 193.1 133.45 169 157.5 144.95 181.6 110.9 181.6 106.5 181.6 102.3 181.2 100.8 181.25 99.25 181.25 65.25 181.25 41.2 157.2 17.2 133.2 17.2 99.2 17.2 65.2 41.2 41.15 65.25 17.15 99.25 17.15 102.4 17.15 105.5 17.35 108.15 17.2 110.9 17.2 144.95 17.2 169 41.25 193.1 65.35 193.1 99.4
+M 96.05 87.35
+L 96.05 74.85
+Q 89.05 72.2 80.35 72.2 75.3 72.2 70.7 73.45 66.05 74.6 62.4 76.95 58.8 79.35 56.55 82.85 54.45 86.35 54.45 91 54.45 94.65 55.4 97.45 56.55 100.25 58.65 102.5 60.75 104.6 63.8 106.4 66.9 108.1 70.85 109.6 74.05 110.9 76.6 111.75 79.1 112.7 81.05 113.85 82.9 115.1 84 116.65 85.15 118.05 85.15 120.3 85.15 128 72.1 128 62.4 128 54.3 121.8
+L 54.3 135.15
+Q 62 138.65 72.35 138.65 77.85 138.65 82.6 137.5 87.5 136.25 91.15 133.9 94.95 131.65 97.2 128 99.45 124.35 99.45 119.6 99.45 115.65 98.15 112.7 96.9 109.9 94.65 107.65 92.3 105.4 89.05 103.75 85.85 101.9 81.75 100.25 78.7 99.25 76.3 98.4 73.9 97.45 72.25 96.45 70.4 95.35 69.55 93.8 68.75 92.4 68.75 90.4 68.75 88.75 69.55 87.35 70.4 85.95 71.95 84.95 73.5 83.95 75.75 83.4 78 82.85 80.65 82.85 89.35 82.85 96.05 87.35
+M 116.15 43.2
+L 101.75 43.2 101.75 137.1 116.15 137.1 116.15 106.7 116.45 106.7 141 137.1 159.2 137.1 130.75 104.3 156.95 73.6 139.7 73.6 116.45 102.75 116.15 102.75 116.15 43.2 Z"/>
+
+<path fill="#00CCFF" stroke="none" d="
+M 105.5 17.35
+Q 102.4 17.15 99.25 17.15 65.25 17.15 41.2 41.15 17.2 65.2 17.2 99.2 17.2 133.2 41.2 157.2 65.25 181.25 99.25 181.25 100.8 181.25 102.3 181.2 73.75 178.5 52.75 157.5 28.7 133.45 28.7 99.4 28.7 65.35 52.75 41.25 74.9 19.15 105.5 17.35
+M 198.6 99.35
+Q 198.6 140.5 169.5 169.55 140.45 198.65 99.3 198.65 99.1 198.65 98.95 198.65 104.85 199.3 111 199.3 152.3 199.3 181.45 170.1 210.65 140.95 210.65 99.65 210.65 58.35 181.45 29.15 152.3 0 111 0 107.8 0 104.65 0.2 142.35 1.95 169.5 29.1 198.6 58.2 198.6 99.35 Z"/>
+</g>
+</defs>
+
+<g transform="matrix( 1.6823883056640625, 0, 0, 1.6823883056640625, 22.8,32.35) ">
+<g transform="matrix( 1, 0, 0, 1, 0,0) ">
+<use xlink:href="#Symbol_15_0_Layer0_0_FILL"/>
+</g>
+</g>
+</svg>