Jump: hold right A to charge (legs bend), release to jump

Tap hops ~0.16 m, full charge ~0.68 m, a real crouch charges too.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

scripts/PlayerRig.cs

@@ -5,7 +5,7 @@ using Godot;
 // physics tick, in this order:
 //   1. discrete origin jumps made by other code (spawn, teleport markers) carry the body along;
 //   2. stick: left = move (head-relative), right X = turn (snap by default, SmoothTurn for smooth),
-//      right Y = crouch (down lowers, up raises — RagdollDriver.StickCrouch); right A = jump;
+//      right Y = crouch (down lowers, up raises — RagdollDriver.StickCrouch); right A = hold to charge, release to jump;
 //   3. the ragdoll's OriginCorrection (push-back at walls, floor follows the ground, falls);
 //   4. True Body solve from the corrected camera/controllers, then the ragdoll's muscles.
 // Waits for the calibrated BodyProfile like everything else; rebuilds on recalibration.
@@ -36,7 +36,6 @@ public partial class PlayerRig : Node
     private bool _haveLastOrigin;
     private Vector3 _moveVelocity;
     private bool _snapArmed = true;
-    private bool _jumpPrev;
     private readonly MeshInstance3D[] _ghosts = new MeshInstance3D[2];
     private bool _rebuild = true;
     private RagdollDriver _driver;
@@ -231,11 +230,8 @@ public partial class PlayerRig : Node
         if (_moveVelocity != Vector3.Zero)
             _origin.GlobalPosition += _moveVelocity * dt;
 
-        // Jump: right A, on the press.
-        bool jump = _right.IsButtonPressed("ax_button");
-        if (jump && !_jumpPrev)
-            _ragdoll.Jump();
-        _jumpPrev = jump;
+        // Jump: hold right A to charge (the legs bend), release to jump.
+        _ragdoll.JumpHeld = _right.IsButtonPressed("ax_button");
 
         // Crouch: right stick held down lowers the body, up raises it back (the stick's dominant
         // axis decides between crouch and turn).