as the crow flies

README.md

@@ -1,16 +1,16 @@
 # oriels
 *a °dof driven dev space*  
 
-<img src='zrc/markberg.png' width="50%">
+<img src='_/markberg.png' width="50%">
 
 **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">  
+	<img src='_/channel-icon-tranparent.png' width="64px">  
 </a>
 <a href='https://stereokit.net'>
-<img src='zrc/StereoKitLogoLight.svg' width="32px">  
+<img src='_/StereoKitLogoLight.svg' width="32px">  
 </a>
 
 <br>

src/dofs/stretch-cursor/pattern.txt

@@ -1,4 +1,4 @@
-# 2018.10.06 -> 2022.10.04 ->
+# 2018.10.06 -> 2023.04.10 ->
 
 input
 	vTo
@@ -9,10 +9,11 @@ data
 	cursor
 
 frame
-	mag     = (vTo - vFrom).mag
+	delta   = vTo - vFrom
+	mag     = delta.mag
 	stretch = max(mag - deadzone, 0)
 
-	dir     = v3.dir(vTo, vFrom)
+	dir     = nor(delta)
 	cursor  = vTo + dir * stretch * strength
 
 design

src/dofs/wave-cursor/WaveCursor.cs

@@ -21,14 +21,14 @@ class WaveCursor : dof {
 			float fL = rig.Flexion(hand, FingerId.Little);
 
 			// Biased by finger length
-			float stretch = (fI + fI + fM + fM + fM + fR + fR + fL) / 8f;
+			float wave = (fI + fI + fM + fM + fM + fR + fR + fL) / 8f;
 
 			Vec3 to   = hand.Get(FingerId.Index, JointId.Tip).position;
 			Vec3 from = hand.Get(FingerId.Index, JointId.KnuckleMajor).position;
 
-			Vec3 dir = PullRequest.Direction(to, from);
+			Vec3 dir = Vec3.Direction(to, from);
 
-			cursor.raw = to + dir * stretch * reach.value;
+			cursor.raw = to + dir * wave * crest.value;
 
 			Mesh.Sphere.Draw(Mono.inst.matHoloframe, Matrix.TRS(cursor.raw,    Quat.Identity, 0.01f), new Color(1, 0, 0));
 			Mesh.Sphere.Draw(Mono.inst.matHoloframe, Matrix.TRS(cursor.pos,    Quat.Identity, 0.01f), new Color(0, 1, 0));
@@ -37,7 +37,7 @@ class WaveCursor : dof {
   }
 
 	// design
-	public Design reach = new Design { str="1.0", term="0+m",  min=0 };
+	public Design crest = new Design { str="1.0", term="0+m",  min=0 };
 
 
 	// demo
@@ -92,4 +92,18 @@ class WaveCursor : dof {
 /* 
 	COMMENTS
 
+	!uses a naive flexion method
+	that needs a refactor to 
+	to both track for 
+		finger & knuckle flexion
+	
+	as they are intertwined at the intersection
+	in way that can't be ignored and must be derived!
+	in order to have a principled wave-cursor 
+		(let alone a rolls-cursor)
+	
+
+	sidetest: may be useful for interactions!
+	where you can use the finger flexion for grabbing
+	and knuckle flexion for cursor extension
 */

src/dofs/wave-cursor/pattern.txt

@@ -0,0 +1,27 @@
+# 2022.10.01 -> 2023.04.10
+
+# !draft
+
+input
+  hand
+
+data
+  cursor
+
+frame
+  fI = hand.flexion(Index)
+  fM = hand.flexion(Middle)
+  fR = hand.flexion(Ring)
+  fL = hand.flexion(Little)
+
+  wave = (fI+fI + fM+fM+fM + fR+fR + fL) / 8
+
+  vTo   = hand.IndexTip
+  vFrom = hand.KnuckleMajor
+
+  dir = nor(vTo - vFrom)
+
+  cursor = vTo + dir * wave * crest
+
+design
+  crest = 1.0 [0+m]