magnum opus stretch-cursor

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

@@ -2,20 +2,19 @@ namespace Oriels;
 
 class StretchCursor : dof {
 	// input
-  public Pose to, from;
+  public Vec3 vTo, vFrom;
 
-	// data 
+	// data
   public Vec3 cursor;
 
   public void Init() {}
 
   public void Frame() {
-    Vec3  vec = to.position - from.position;
-    float len = vec.Length;
-    Vec3 	dir = vec / len;
+		float mag 		= (vTo - vFrom).Magnitude;
+    float stretch = Math.Max(mag - deadzone, 0f);
 
-    float stretch = Math.Max(len - deadzone, 0f);
-    cursor = to.position + dir * stretch * strength;
+    Vec3 dir = PullRequest.Direction(vTo, vFrom);
+    cursor 	 = vTo + dir * stretch * strength;
 
     Mesh.Cube.Draw(Material.Default, Matrix.TS(cursor, 0.01f));
   }

app/dofs/stretch-cursor/og/⧉

@@ -1,17 +1,17 @@
 input
-	tipTo   = [pos, ori]
-	tipFrom = [pos, ori]
+	vTo
+	vFrom
 
 data
-	cursor  = [0, 0, 0]
+	stretch
+	cursor
 
 frame
-	vector 	= tipTo.pos - tipFrom.pos
-	length	= vec.length
-	dir 		= vector / length
+	mag 		= (vTo - vFrom).mag
+	stretch = max(mag - deadzone, 0)
 
-	stretch = max(length - deadzone, 0)
-	cursor  = to.pos + dir * stretch * strength
+	dir 		= dir(vTo, vFrom)
+	cursor  = vTo + dir * stretch * strength
 
 design
 	deadzone = 0.1