diff --git a/decompiler/IR2/FormExpressionAnalysis.cpp b/decompiler/IR2/FormExpressionAnalysis.cpp
index 598de0bfdd..9198770777 100644
--- a/decompiler/IR2/FormExpressionAnalysis.cpp
+++ b/decompiler/IR2/FormExpressionAnalysis.cpp
@@ -3911,32 +3911,14 @@ Form* repop_arg(Form* in, FormStack& stack, const Env& env, FormPool& pool) {
  */
 Form* repop_passthrough_arg(Form* in,
                             FormStack& stack,
+                            const Env& env,
                             RegisterAccess* orig_out,
                             bool* found_orig_out) {
   *found_orig_out = false;
 
   auto as_atom = form_as_atom(in);
   if (as_atom && as_atom->is_var()) {
-    // get the last active thing on the stack and see if its what we want.
-    auto last_in_stack = stack.active_back();
-    if (!last_in_stack) {
-      return in;
-    }
-
-    if (!last_in_stack->destination) {
-      return in;
-    }
-
-    if (last_in_stack->destination->reg() != as_atom->var().reg()) {
-      return in;
-    }
-
-    // the x regaccess
-    *orig_out = *last_in_stack->destination;
-    auto val = last_in_stack->source;
-    *found_orig_out = true;
-    stack.pop_active_back();
-    return val;
+    return stack.pop_reg(as_atom->var().reg(), {}, env, true, -1, orig_out, found_orig_out);
   }
   return in;
 }
@@ -3955,39 +3937,56 @@ std::optional<RegisterAccess> form_as_ra(Form* form) {
 /*!
  * Handle an inlined call to vector-!
  */
-bool try_vector_sub_inline(const Env& env, FormPool& pool, FormStack& stack) {
-  // we are looking for 5 ops, none are sets
-  auto elts = stack.try_getting_active_stack_entries({false, false, false, false, false});
+bool try_vector_add_sub_inline(const Env& env,
+                               FormPool& pool,
+                               FormStack& stack,
+                               bool is_add,
+                               FormElement* store_element) {
+  // we are looking for 5 ops, none are sets, the store element is passed in separately, before
+  // propagating
+  auto elts = stack.try_getting_active_stack_entries({false, false, false, false});
   if (!elts) {
     return false;
   }
 
+  int idx = 0;
+  if (is_add) {
+    // third (.vmove.w vf6 vf0)
+    if (!is_set_w_1(Register(Reg::VF, 6), elts->at(idx++).elt, env)) {
+      return false;
+    }
+  }
+
   // check first: (.lvf vf4 (&-> arg1 quad))
-  auto first = is_load_store_vector_to_reg(Register(Reg::VF, 4), elts->at(0).elt, true, nullptr);
+  auto first =
+      is_load_store_vector_to_reg(Register(Reg::VF, 4), elts->at(idx++).elt, true, nullptr);
   if (!first) {
     return false;
   }
 
   // second (.lvf vf5 (&-> a0-1 quad))
-  auto second = is_load_store_vector_to_reg(Register(Reg::VF, 5), elts->at(1).elt, true, nullptr);
+  auto second =
+      is_load_store_vector_to_reg(Register(Reg::VF, 5), elts->at(idx++).elt, true, nullptr);
   if (!second) {
     return false;
   }
 
-  // third (.vmove.w vf6 vf0)
-  if (!is_set_w_1(Register(Reg::VF, 6), elts->at(2).elt, env)) {
-    return false;
+  if (!is_add) {
+    // third (.vmove.w vf6 vf0)
+    if (!is_set_w_1(Register(Reg::VF, 6), elts->at(idx++).elt, env)) {
+      return false;
+    }
   }
 
   // 4th (.vsub.xyz vf6 vf4 vf5)
-  if (!is_vf_3op_dst(InstructionKind::VSUB, 14, vfr(6), vfr(4), vfr(5), elts->at(3).elt)) {
+  if (!is_vf_3op_dst(is_add ? InstructionKind::VADD : InstructionKind::VSUB, 14, vfr(6), vfr(4),
+                     vfr(5), elts->at(idx++).elt)) {
     return false;
   }
 
   // 5th (and remember the index)
   int store_idx = -1;
-  auto store =
-      is_load_store_vector_to_reg(Register(Reg::VF, 6), elts->at(4).elt, false, &store_idx);
+  auto store = is_load_store_vector_to_reg(Register(Reg::VF, 6), store_element, false, &store_idx);
   if (!store) {
     return false;
   }
@@ -3997,12 +3996,12 @@ bool try_vector_sub_inline(const Env& env, FormPool& pool, FormStack& stack) {
   // the function that attempts the pop.
   auto store_var = form_as_ra(store);
   if (!store_var) {
-    env.func->warnings.general_warning("Almost found vector sub, but couldn't get store var.");
+    env.func->warnings.general_warning("Almost found vector add/sub, but couldn't get store var.");
     return false;
   }
 
   // remove these from the stack.
-  stack.pop(5);
+  stack.pop(4);
 
   // ignore the store as a use. This will allow the entire vector-! expression to be expression
   // propagated, if it is appropriate.
@@ -4019,13 +4018,14 @@ bool try_vector_sub_inline(const Env& env, FormPool& pool, FormStack& stack) {
   // now try to see if we can pop the first arg (destination vector).
   bool got_orig = false;
   RegisterAccess orig;
-  store = repop_passthrough_arg(store, stack, &orig, &got_orig);
+
+  store = repop_passthrough_arg(store, stack, env, &orig, &got_orig);
 
   // create the actual vector-! form
   Form* new_thing = pool.alloc_single_element_form<GenericElement>(
       nullptr,
-      GenericOperator::make_function(
-          pool.alloc_single_element_form<ConstantTokenElement>(nullptr, "vector-!")),
+      GenericOperator::make_function(pool.alloc_single_element_form<ConstantTokenElement>(
+          nullptr, is_add ? "vector+!" : "vector-!")),
       std::vector<Form*>{store, first, second});
 
   if (got_orig) {
@@ -4047,7 +4047,73 @@ bool try_vector_sub_inline(const Env& env, FormPool& pool, FormStack& stack) {
     stack.push_form_element(new_thing->elts().at(0), true);
   }
 
-  return false;
+  return true;
+}
+
+bool try_vector_reset_inline(const Env& env,
+                             FormPool& pool,
+                             FormStack& stack,
+                             FormElement* store_element) {
+  // the store
+  int store_idx = -1;
+  auto store = is_load_store_vector_to_reg(Register(Reg::VF, 0), store_element, false, &store_idx);
+  if (!store) {
+    return false;
+  }
+
+  // remove these from the stack.
+  // stack.pop(1);
+
+  // the store here _should_ have failed propagation and just given us a variable.
+  // if this is causing issues, we can run this check before propagating, as well call this from
+  // the function that attempts the pop.
+  auto store_var = form_as_ra(store);
+  if (!store_var) {
+    env.func->warnings.general_warning("Almost found vector reset, but couldn't get store var.");
+    // stack.push_form_element(new_thing->elts().at(0), true);
+    return false;
+  }
+
+  // ignore the store as a use. This will allow the entire vector-! expression to be expression
+  // propagated, if it is appropriate.
+  if (store_var) {
+    auto menv = const_cast<Env*>(&env);
+    menv->disable_use(*store_var);
+  }
+
+  // now try to see if we can pop the first arg (destination vector).
+  bool got_orig = false;
+  RegisterAccess orig;
+  store = repop_passthrough_arg(store, stack, env, &orig, &got_orig);
+
+  // create the actual  form
+  Form* new_thing = pool.alloc_single_element_form<GenericElement>(
+      nullptr,
+      GenericOperator::make_function(
+          pool.alloc_single_element_form<ConstantTokenElement>(nullptr, "vector-reset!")),
+      std::vector<Form*>{store});
+
+  if (got_orig) {
+    // we got a value for the destination.  because we used the special repop passthrough,
+    // we're responsible for inserting a set to set the var that we "stole" from.
+    // We do this through push_value_to_reg, so it can be propagated if needed, but only if
+    // somebody will actually read the output.
+    // to tell, we look at the live out of the store op and the end - the earlier one would of
+    // course be live out always because the store will read it again.
+
+    auto& op_info = env.reg_use().op.at(store_idx);
+    if (op_info.live.find(orig.reg()) == op_info.live.end()) {
+      // nobody reads it, don't bother.
+      stack.push_form_element(new_thing->elts().at(0), true);
+    } else {
+      stack.push_value_to_reg(orig, new_thing, true, TypeSpec("vector"));
+    }
+
+  } else {
+    stack.push_form_element(new_thing->elts().at(0), true);
+  }
+
+  return true;
 }
 }  // namespace
 
@@ -4060,15 +4126,33 @@ void VectorFloatLoadStoreElement::push_to_stack(const Env& env, FormPool& pool,
     auto atom = form_as_atom(root);
     if (atom && atom->get_kind() == SimpleAtom::Kind::VARIABLE) {
       m_addr_type = env.get_variable_type(atom->var(), true);
+    }
+  }
+
+  auto name = env.func->guessed_name.to_string();
+  // don't find vector-! inside of vector-!.
+  if (!m_is_load && name != "vector-!" && name != "vector+!" && name != "vector-reset!") {
+    if (try_vector_add_sub_inline(env, pool, stack, true, this)) {
+      return;
+    }
+
+    if (try_vector_add_sub_inline(env, pool, stack, false, this)) {
+      return;
+    }
+
+    if (try_vector_reset_inline(env, pool, stack, this)) {
+      return;
+    }
+  }
+
+  if (loc_as_deref) {
+    auto root = loc_as_deref->base();
+    auto atom = form_as_atom(root);
+    if (atom && atom->get_kind() == SimpleAtom::Kind::VARIABLE) {
       loc_as_deref->set_base(pop_to_forms({atom->var()}, env, pool, stack, true).at(0));
     }
   }
   stack.push_form_element(this, true);
-
-  // don't find vector-! inside of vector-!.
-  if (!m_is_load && env.func->guessed_name.to_string() != "vector-!") {
-    try_vector_sub_inline(env, pool, stack);
-  }
 }
 
 void MethodOfTypeElement::update_from_stack(const Env& env,
diff --git a/decompiler/IR2/FormStack.cpp b/decompiler/IR2/FormStack.cpp
index cd9f9f7a40..e2ea9b77ba 100644
--- a/decompiler/IR2/FormStack.cpp
+++ b/decompiler/IR2/FormStack.cpp
@@ -131,7 +131,12 @@ Form* FormStack::pop_reg(Register reg,
                          const RegSet& barrier,
                          const Env& env,
                          bool allow_side_effects,
-                         int begin_idx) {
+                         int begin_idx,
+                         RegisterAccess* orig_out,
+                         bool* found_orig_out) {
+  if (found_orig_out) {
+    *found_orig_out = false;
+  }
   assert(allow_side_effects);
   (void)env;  // keep this for easy debugging.
   RegSet modified;
@@ -158,9 +163,18 @@ Form* FormStack::pop_reg(Register reg,
           assert(entry.sequence_point == false);
           auto result = pop_reg(entry.non_seq_source->reg(), barrier, env, allow_side_effects, i);
           if (result) {
+            if (found_orig_out) {
+              *found_orig_out = true;
+              *orig_out = *entry.destination;
+            }
             return result;
           }
         }
+
+        if (found_orig_out) {
+          *found_orig_out = true;
+          *orig_out = *entry.destination;
+        }
         return entry.source;
       } else {
         // we didn't match
diff --git a/decompiler/IR2/FormStack.h b/decompiler/IR2/FormStack.h
index f20d1e517c..51677b5afa 100644
--- a/decompiler/IR2/FormStack.h
+++ b/decompiler/IR2/FormStack.h
@@ -39,7 +39,9 @@ class FormStack {
                 const RegSet& barrier,
                 const Env& env,
                 bool allow_side_effects,
-                int begin_idx = -1);
+                int begin_idx = -1,
+                RegisterAccess* orig_out = nullptr,
+                bool* found_orig_out = nullptr);
   FormElement* pop_back(FormPool& pool);
   bool is_single_expression();
   std::vector<FormElement*> rewrite(FormPool& pool, const Env& env) const;
diff --git a/goal_src/engine/camera/cam-interface.gc b/goal_src/engine/camera/cam-interface.gc
index 8dc3930984..173bff79da 100644
--- a/goal_src/engine/camera/cam-interface.gc
+++ b/goal_src/engine/camera/cam-interface.gc
@@ -5,51 +5,31 @@
 ;; name in dgo: cam-interface
 ;; dgos: GAME, ENGINE
 
-(rlet ((vf0 :class vf))
-(init-vf0-vector)
 
 ;; definition for function position-in-front-of-camera!
 (defun position-in-front-of-camera! ((arg0 vector) (arg1 float) (arg2 float))
   (rlet ((vf0 :class vf)
          (vf1 :class vf)
          (vf2 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
          )
-   (init-vf0-vector)
-   (let ((v1-0 arg0))
-    (let ((a0-2 (&-> *math-camera* inv-camera-rot data 8))
-          (f0-0 arg1)
+    (init-vf0-vector)
+    (let ((v1-0 arg0))
+      (let ((a0-2 (-> *math-camera* inv-camera-rot vector 2))
+            (f0-0 arg1)
+            )
+        (.lvf vf1 (&-> a0-2 quad))
+        (let ((a0-3 f0-0))
+          (.mov vf2 a0-3)
           )
-     (.lvf vf1 a0-2)
-     (let ((a0-3 f0-0))
-      (.mov vf2 a0-3)
+        )
+      (.add.x.vf vf1 vf0 vf0 :mask #b1000)
+      (.mul.x.vf vf1 vf1 vf2 :mask #b111)
+      (.svf (&-> v1-0 quad) vf1)
       )
-     )
-    (.add.x.vf vf1 vf0 vf0 :mask #b1000)
-    (.mul.x.vf vf1 vf1 vf2 :mask #b111)
-    (.svf (&-> v1-0 quad) vf1)
-    )
-   (vector+float*!
+    (vector+float*! arg0 arg0 (-> *math-camera* inv-camera-rot vector 1) arg2)
+    (vector+! arg0 arg0 (-> *math-camera* trans))
     arg0
-    arg0
-    (the-as vector (&-> *math-camera* inv-camera-rot data 4))
-    arg2
     )
-   (let ((a0-5 arg0))
-    (let ((v1-3 arg0)
-          (a1-3 (-> *math-camera* trans))
-          )
-     (.mov.vf vf6 vf0 :mask #b1000)
-     (.lvf vf4 (&-> v1-3 quad))
-     (.lvf vf5 (&-> a1-3 quad))
-     )
-    (.add.vf vf6 vf4 vf5 :mask #b111)
-    (.svf (&-> a0-5 quad) vf6)
-    )
-   arg0
-   )
   )
 
 ;; definition for function matrix-local->world
@@ -65,13 +45,7 @@
   (-> *math-camera* camera-rot)
   )
 
-;; failed to figure out what this is:
-(when (or (not *camera-dummy-vector*) (zero? *camera-dummy-vector*))
-  (let ((v1-8 (new 'global 'vector)))
-   (.svf (&-> v1-8 quad) vf0)
-   (set! *camera-dummy-vector* v1-8)
-   )
-  )
+(define-perm *camera-dummy-vector* vector (vector-reset! (new 'global 'vector)))
 
 ;; definition for function camera-pos
 ;; INFO: Return type mismatch object vs vector.
@@ -126,4 +100,3 @@
     (none)
     )
   )
-)
diff --git a/goal_src/engine/camera/camera-h.gc b/goal_src/engine/camera/camera-h.gc
index 2acfea2859..12d851690b 100644
--- a/goal_src/engine/camera/camera-h.gc
+++ b/goal_src/engine/camera/camera-h.gc
@@ -216,37 +216,31 @@
 ;; INFO: Return type mismatch int vs none.
 ;; Used lq/sq
 (defmethod TODO-RENAME-9 cam-vector-seeker ((obj cam-vector-seeker) (arg0 vector) (arg1 float) (arg2 float) (arg3 float))
-  (rlet ((vf0 :class vf))
-    (init-vf0-vector)
-    (cond
-      (arg0
-       (set! (-> obj target quad) (-> arg0 quad))
-       (set! (-> obj value quad) (-> arg0 quad))
-       )
-      (else
-       (.svf (&-> (-> obj target) quad) vf0)
-       (.svf (&-> (-> obj value) quad) vf0)
-       )
-      )
-    (.svf (&-> (-> obj vel) quad) vf0)
-    (set! (-> obj accel) arg1)
-    (set! (-> obj max-vel) arg2)
-    (set! (-> obj max-partial) arg3)
-    (let ((v0-0 0))
-      )
-    (none)
+  (cond
+    (arg0
+     (set! (-> obj target quad) (-> arg0 quad))
+     (set! (-> obj value quad) (-> arg0 quad))
+     )
+    (else
+     (vector-reset! (-> obj target))
+     (vector-reset! (-> obj value))
+     )
     )
+  (vector-reset! (-> obj vel))
+  (set! (-> obj accel) arg1)
+  (set! (-> obj max-vel) arg2)
+  (set! (-> obj max-partial) arg3)
+  (none)
   )
+ 
 
 ;; definition for method 10 of type cam-vector-seeker
 ;; INFO: Return type mismatch int vs none.
+;; TODO - vector-float*! replacement
 (defmethod TODO-RENAME-10 cam-vector-seeker ((obj cam-vector-seeker) (arg0 vector))
   (rlet ((vf0 :class vf)
          (vf1 :class vf)
          (vf2 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
          )
     (init-vf0-vector)
     (let ((gp-0 (new 'stack-no-clear 'vector)))
@@ -254,15 +248,7 @@
         )
       (cond
         (arg0
-         (let ((a0-1 gp-0))
-           (let ((v1-0 (-> obj target)))
-             (.mov.vf vf6 vf0 :mask #b1000)
-             (.lvf vf4 (&-> v1-0 quad))
-             )
-           (.lvf vf5 (&-> arg0 quad))
-           (.add.vf vf6 vf4 vf5 :mask #b111) ;; todo add
-           (.svf (&-> a0-1 quad) vf6)
-           )
+         (vector+! gp-0 (-> obj target) arg0)
          (vector-! gp-0 gp-0 (-> obj value))
          )
         (else
@@ -283,17 +269,7 @@
           (.mul.x.vf vf1 vf1 vf2 :mask #b111)
           (.svf (&-> v1-3 quad) vf1)
           )
-        (let ((a1-4 (-> obj vel)))
-          (let ((v1-4 (-> obj vel))
-                (a0-7 gp-0)
-                )
-            (.mov.vf vf6 vf0 :mask #b1000)
-            (.lvf vf4 (&-> v1-4 quad))
-            (.lvf vf5 (&-> a0-7 quad))
-            )
-          (.add.vf vf6 vf4 vf5 :mask #b111)
-          (.svf (&-> a1-4 quad) vf6)
-          )
+        (vector+! (-> obj vel) (-> obj vel) gp-0)
         (let ((f0-4 (vector-length (-> obj vel)))
               (f1-2 (fmin f30-1 (-> obj max-vel)))
               )
@@ -327,15 +303,7 @@
         (.mul.x.vf vf1 vf1 vf2 :mask #b111)
         (.svf (&-> v1-7 quad) vf1)
         )
-      (let ((v1-8 (-> obj value)))
-        (let ((a0-13 (-> obj value)))
-          (.mov.vf vf6 vf0 :mask #b1000)
-          (.lvf vf4 (&-> a0-13 quad))
-          )
-        (.lvf vf5 (&-> gp-0 quad))
-        (.add.vf vf6 vf4 vf5 :mask #b111)
-        (.svf (&-> v1-8 quad) vf6)
-        )
+      (vector+! (-> obj value) (-> obj value) gp-0)
       )
     (let ((v0-2 0))
       )
diff --git a/goal_src/engine/camera/math-camera.gc b/goal_src/engine/camera/math-camera.gc
index 2ddcd987fb..2d8ca3ced8 100644
--- a/goal_src/engine/camera/math-camera.gc
+++ b/goal_src/engine/camera/math-camera.gc
@@ -277,6 +277,32 @@
   math-cam
   )
 
+(defmethod new math-camera ((allocation symbol) (type-to-make type))
+  (let ((gp-0 (object-new allocation type-to-make (the-as int (-> type-to-make size)))))
+    (set! (-> gp-0 d) 1024.0)
+    (set! (-> gp-0 f) 40960000.0)
+    (set! (-> gp-0 fov) 11650.845)
+    (set! (-> gp-0 x-pix) 256.0)
+    (set! (-> gp-0 x-clip) 1024.0)
+    (set! (-> gp-0 y-pix) 112.0)
+    (set! (-> gp-0 y-clip) 448.0)
+    (set! (-> gp-0 fog-start) 40960.0)
+    (set! (-> gp-0 fog-end) 819200.0)
+    (set! (-> gp-0 fog-max) 255.0)
+    (set! (-> gp-0 fog-min) 150.0)
+    (matrix-identity! (-> gp-0 inv-camera-rot))
+    (matrix-identity! (-> gp-0 camera-rot))
+    (vector-reset! (-> gp-0 trans))
+    (set! (-> gp-0 isometric vector 0 x) 1.0)
+    (set! (-> gp-0 isometric vector 1 y) 0.5)
+    (set! (-> gp-0 isometric vector 2 z) -1.0)
+    (set! (-> gp-0 reset) 1)
+    (set! (-> gp-0 smooth-step) 0.0)
+    (set! (-> gp-0 smooth-t) 0.0)
+    (update-math-camera gp-0 'ntsc 'aspect4x3)
+    )
+  )
+
 (define *math-camera* (new 'global 'math-camera))
 
 (defun math-cam-start-smoothing ((arg0 float) (arg1 float))
diff --git a/goal_src/engine/gfx/ripple.gc b/goal_src/engine/gfx/ripple.gc
index f46b6a211b..34c8f2e5b2 100644
--- a/goal_src/engine/gfx/ripple.gc
+++ b/goal_src/engine/gfx/ripple.gc
@@ -109,44 +109,27 @@
 ;; ERROR: function was not converted to expressions. Cannot decompile.
 
 (defun-debug ripple-add-debug-sphere ((arg0 process-drawable) (arg1 vector) (arg2 float) (arg3 float))
-  (rlet ((vf0 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
-         )
-    (init-vf0-vector)
-    (let ((f30-0 (- (quaternion-y-angle (-> arg0 root quat))))
-          (s5-0 (new-stack-vector0))
-          )
-      (let ((f28-0 (+ (-> arg1 x) (* arg2 (-> arg1 z))))
-            (f26-0 (+ (-> arg1 y) (* arg3 (-> arg1 z))))
-            )
-        (set! (-> s5-0 x) (- (* f28-0 (cos f30-0)) (* f26-0 (sin f30-0))))
-        (set! (-> s5-0 y) 0.0)
-        (set! (-> s5-0 z) (+ (* f26-0 (cos f30-0)) (* f28-0 (sin f30-0))))
+  (let ((f30-0 (- (quaternion-y-angle (-> arg0 root quat))))
+        (s5-0 (new-stack-vector0))
         )
-      (set! (-> s5-0 w) 0.0)
-      (let ((a0-6 s5-0))
-        (let ((v1-1 s5-0)
-              (a1-2 (-> arg0 root trans))
-              )
-          (.mov.vf vf6 vf0 :mask #b1000)
-          (.lvf vf4 (&-> v1-1 quad))
-          (.lvf vf5 (&-> a1-2 quad))
+    (let ((f28-0 (+ (-> arg1 x) (* arg2 (-> arg1 z))))
+          (f26-0 (+ (-> arg1 y) (* arg3 (-> arg1 z))))
           )
-        (.add.vf vf6 vf4 vf5 :mask #b111) ;; todo vector+!
-        (.svf (&-> a0-6 quad) vf6)
-        )
-      (add-debug-sphere
-       #t
-       (bucket-id debug-draw0)
-       s5-0
-       2048.0
-       (new 'static 'rgba :r #xff :g #xff :a #x80)
-       )
+      (set! (-> s5-0 x) (- (* f28-0 (cos f30-0)) (* f26-0 (sin f30-0))))
+      (set! (-> s5-0 y) 0.0)
+      (set! (-> s5-0 z) (+ (* f26-0 (cos f30-0)) (* f28-0 (sin f30-0))))
       )
-    (none)
+    (set! (-> s5-0 w) 0.0)
+    (vector+! s5-0 s5-0 (-> arg0 root trans))
+    (add-debug-sphere
+     #t
+     (bucket-id debug-draw0)
+     s5-0
+     2048.0
+     (new 'static 'rgba :r #xff :g #xff :a #x80)
+     )
     )
+  (none)
   )
 
 (defun ripple-slow-add-sine-waves ((arg0 ripple-wave-set) (arg1 float) (arg2 float))
diff --git a/goal_src/engine/target/joint-mod-h.gc b/goal_src/engine/target/joint-mod-h.gc
index 235ed73ff3..da45d149cb 100644
--- a/goal_src/engine/target/joint-mod-h.gc
+++ b/goal_src/engine/target/joint-mod-h.gc
@@ -101,77 +101,72 @@
 
 (defmethod set-mode! joint-mod ((obj joint-mod) (handler-mode joint-mod-handler-mode))
   "Set up the joint-mod for the given mode. You can only pick one mode at a time."
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (set! (-> obj mode) handler-mode)
-   (let ((joint (-> obj joint))
-         (mode handler-mode)
-         )
+  (set! (-> obj mode) handler-mode)
+  (let ((joint (-> obj joint))
+        (mode handler-mode)
+        )
     (cond
-     ((= mode (joint-mod-handler-mode flex-blend))
-      (set! (-> joint param0) #f)
-      (set! (-> joint param1) #f)
-      (set! (-> joint param2) #f)
-      ;; use flex-bend instead of bend.
-      (set! (-> obj blend) 0.0)
-      (set! (-> obj flex-blend) 1.0)
-      )
-     ((= mode (joint-mod-handler-mode reset))
-      (set! (-> joint param0) #f)
-      (set! (-> joint param1) #f)
-      (set! (-> joint param2) #f)
-      ;; set blend to 0 for no effect.
-      (set! (-> obj blend) 0.0)
-      (set! (-> obj shutting-down?) #f)
-      )
-     ((= mode (joint-mod-handler-mode look-at))
-      (set! (-> joint param0) joint-mod-look-at-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      )
-     ((= mode (joint-mod-handler-mode world-look-at))
-      (set! (-> joint param0) joint-mod-world-look-at-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      )
-     ((= mode (joint-mod-handler-mode rotate))
-      (set! (-> joint param0) joint-mod-rotate-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      (set! (-> obj blend) 1.0)
-      )
-     ((= mode (joint-mod-handler-mode joint-set))
-      (set! (-> joint param0) joint-mod-joint-set-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      (.svf (&-> (-> obj trans) quad) vf0)
-      (quaternion-identity! (-> obj quat))
-      (let ((v1-2 (-> obj scale)))
-       (set! (-> v1-2 x) 1.0)
-       (set! (-> v1-2 y) 1.0)
-       (set! (-> v1-2 z) 1.0)
-       (set! (-> v1-2 w) 1.0)
+      ((= mode (joint-mod-handler-mode flex-blend))
+       (set! (-> joint param0) #f)
+       (set! (-> joint param1) #f)
+       (set! (-> joint param2) #f)
+       (set! (-> obj blend) 0.0)
+       (set! (-> obj flex-blend) 1.0)
        )
-      (set! (-> obj max-dist) (the-as float #f))
-      )
-     ((= mode (joint-mod-handler-mode joint-set*))
-      (set! (-> joint param0) joint-mod-joint-set*-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      (.svf (&-> (-> obj trans) quad) vf0)
-      (quaternion-identity! (-> obj quat))
-      (let ((v1-4 (-> obj scale)))
-       (set! (-> v1-4 x) 1.0)
-       (set! (-> v1-4 y) 1.0)
-       (set! (-> v1-4 z) 1.0)
-       (set! (-> v1-4 w) 1.0)
+      ((= mode (joint-mod-handler-mode reset))
+       (set! (-> joint param0) #f)
+       (set! (-> joint param1) #f)
+       (set! (-> joint param2) #f)
+       (set! (-> obj blend) 0.0)
+       (set! (-> obj shutting-down?) #f)
+       )
+      ((= mode (joint-mod-handler-mode look-at))
+       (set! (-> joint param0) joint-mod-look-at-handler)
+       (set! (-> joint param1) obj)
+       (set! (-> joint param2) #f)
+       )
+      ((= mode (joint-mod-handler-mode world-look-at))
+       (set! (-> joint param0) joint-mod-world-look-at-handler)
+       (set! (-> joint param1) obj)
+       (set! (-> joint param2) #f)
+       )
+      ((= mode (joint-mod-handler-mode rotate))
+       (set! (-> joint param0) joint-mod-rotate-handler)
+       (set! (-> joint param1) obj)
+       (set! (-> joint param2) #f)
+       (set! (-> obj blend) 1.0)
+       )
+      ((= mode (joint-mod-handler-mode joint-set))
+       (set! (-> joint param0) joint-mod-joint-set-handler)
+       (set! (-> joint param1) obj)
+       (set! (-> joint param2) #f)
+       (vector-reset! (-> obj trans))
+       (quaternion-identity! (-> obj quat))
+       (let ((v1-2 (-> obj scale)))
+         (set! (-> v1-2 x) 1.0)
+         (set! (-> v1-2 y) 1.0)
+         (set! (-> v1-2 z) 1.0)
+         (set! (-> v1-2 w) 1.0)
+         )
+       (set! (-> obj max-dist) (the-as float #f))
+       )
+      ((= mode (joint-mod-handler-mode joint-set*))
+       (set! (-> joint param0) joint-mod-joint-set*-handler)
+       (set! (-> joint param1) obj)
+       (set! (-> joint param2) #f)
+       (vector-reset! (-> obj trans))
+       (quaternion-identity! (-> obj quat))
+       (let ((v1-4 (-> obj scale)))
+         (set! (-> v1-4 x) 1.0)
+         (set! (-> v1-4 y) 1.0)
+         (set! (-> v1-4 z) 1.0)
+         (set! (-> v1-4 w) 1.0)
+         )
+       (set! (-> obj max-dist) (the-as float #f))
        )
-      (set! (-> obj max-dist) (the-as float #f))
       )
-     )
     )
-   obj
-   )
+  obj
   )
 
 (defmethod reset-blend! joint-mod ((obj joint-mod))
@@ -676,44 +671,23 @@
 
 ;; todo vector+!
 (defun joint-mod-joint-set*-handler ((arg0 cspace) (arg1 transformq))
-  (rlet ((vf0 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
-         )
-    (init-vf0-vector)
-    (let ((s5-0 (the-as joint-mod (-> arg0 param1))))
-      (let ((a1-1 (-> arg1 trans)))
-        (let ((v1-0 (-> arg1 trans))
-              (a0-1 (-> s5-0 trans))
-              )
-          (.mov.vf vf6 vf0 :mask #b1000)
-          (.lvf vf4 (&-> v1-0 quad))
-          (.lvf vf5 (&-> a0-1 quad))
-          )
-        (.add.vf vf6 vf4 vf5 :mask #b111)
-        (.svf (&-> a1-1 quad) vf6)
-        )
-      (quaternion-normalize!
-       (quaternion*!
-        (the-as quaternion (-> arg1 rot))
-        (the-as quaternion (-> arg1 rot))
-        (-> s5-0 quat)
-        )
-       )
-      (vector*! (-> arg1 scale) (-> arg1 scale) (-> s5-0 scale))
-      (cspace<-parented-transformq-joint! arg0 arg1)
-      (when (-> s5-0 max-dist)
-        (let ((v1-4 (-> arg0 bone scale)))
-          (set! (-> v1-4 x) 1.0)
-          (set! (-> v1-4 y) 1.0)
-          (set! (-> v1-4 z) 1.0)
-          (set! (-> v1-4 w) 1.0)
-          )
+  (let ((s5-0 (the-as joint-mod (-> arg0 param1))))
+    (vector+! (-> arg1 trans) (-> arg1 trans) (-> s5-0 trans))
+    (quaternion-normalize!
+     (quaternion*! (-> arg1 quat) (-> arg1 quat) (-> s5-0 quat))
+     )
+    (vector*! (-> arg1 scale) (-> arg1 scale) (-> s5-0 scale))
+    (cspace<-parented-transformq-joint! arg0 arg1)
+    (when (-> s5-0 max-dist)
+      (let ((v1-4 (-> arg0 bone scale)))
+        (set! (-> v1-4 x) 1.0)
+        (set! (-> v1-4 y) 1.0)
+        (set! (-> v1-4 z) 1.0)
+        (set! (-> v1-4 w) 1.0)
         )
       )
-    (none)
     )
+  (none)
   )
 
 (define *joint-axis-vectors*
diff --git a/goal_src/engine/util/sync-info.gc b/goal_src/engine/util/sync-info.gc
index 375f052d07..77488aec46 100644
--- a/goal_src/engine/util/sync-info.gc
+++ b/goal_src/engine/util/sync-info.gc
@@ -472,21 +472,15 @@
   )
 
 ;; definition for method 9 of type delayed-rand-vector
-(defmethod
-  dummy-9
-  delayed-rand-vector
-  ((obj delayed-rand-vector) (arg0 int) (arg1 int) (arg2 float) (arg3 float))
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (set! (-> obj min-time) arg0)
-   (set! (-> obj max-time) arg1)
-   (set! (-> obj xz-max) (* 0.5 arg2))
-   (set! (-> obj y-max) (* 0.5 arg3))
-   (set! (-> obj start-time) (the-as uint 0))
-   (set! (-> obj timer) 0)
-   (.svf (&-> (-> obj value) quad) vf0)
-   (-> obj value)
-   )
+(defmethod dummy-9 delayed-rand-vector ((obj delayed-rand-vector) (arg0 int) (arg1 int) (arg2 float) (arg3 float))
+  (set! (-> obj min-time) arg0)
+  (set! (-> obj max-time) arg1)
+  (set! (-> obj xz-max) (* 0.5 arg2))
+  (set! (-> obj y-max) (* 0.5 arg3))
+  (set! (-> obj start-time) (the-as uint 0))
+  (set! (-> obj timer) 0)
+  (vector-reset! (-> obj value))
+  (-> obj value)
   )
 
 ;; definition for method 10 of type delayed-rand-vector
@@ -522,77 +516,47 @@
 
 ;; definition for method 12 of type delayed-rand-vector
 (defmethod dummy-12 delayed-rand-vector ((obj delayed-rand-vector))
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (if
-    (>=
-     (the-as int (- (-> *display* base-frame-counter) (-> obj start-time)))
-     (-> obj timer)
-     )
-    (dummy-10 obj)
-    (.svf (&-> (-> obj value) quad) vf0)
-    )
-   (-> obj value)
-   )
+  (if (>= (the-as int (- (-> *display* base-frame-counter) (-> obj start-time)))
+          (-> obj timer)
+          )
+      (dummy-10 obj)
+      (vector-reset! (-> obj value))
+      )
+  (-> obj value)
   )
 
 ;; definition for method 9 of type oscillating-vector
 ;; Used lq/sq
-(defmethod
-  dummy-9
-  oscillating-vector
-  ((obj oscillating-vector)
-   (arg0 vector)
-   (arg1 float)
-   (arg2 float)
-   (arg3 float)
-   )
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (cond
+(defmethod dummy-9 oscillating-vector ((obj oscillating-vector) (arg0 vector) (arg1 float) (arg2 float) (arg3 float))
+  (cond
     (arg0
-     (let ((v1-0 (-> obj value)))
-      (set! (-> v1-0 quad) (-> arg0 quad))
-      )
-     (let ((v1-1 (-> obj target)))
-      (set! (-> v1-1 quad) (-> arg0 quad))
-      )
+     (set! (-> obj value quad) (-> arg0 quad))
+     (set! (-> obj target quad) (-> arg0 quad))
      )
     (else
-     (.svf (&-> (-> obj value) quad) vf0)
-     (.svf (&-> (-> obj target) quad) vf0)
+     (vector-reset! (-> obj value))
+     (vector-reset! (-> obj target))
      )
     )
-   (.svf (&-> (-> obj vel) quad) vf0)
-   (set! (-> obj max-vel) arg2)
-   (set! (-> obj damping) arg3)
-   (set! (-> obj accel) arg1)
-   (-> obj value)
-   )
+  (vector-reset! (-> obj vel))
+  (set! (-> obj max-vel) arg2)
+  (set! (-> obj damping) arg3)
+  (set! (-> obj accel) arg1)
+  (-> obj value)
   )
 
 ;; definition for method 10 of type oscillating-vector
+;; todo vector-float*!
 (defmethod dummy-10 oscillating-vector ((obj oscillating-vector) (arg0 vector))
   (rlet ((vf0 :class vf)
          (vf1 :class vf)
          (vf2 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
          )
     (init-vf0-vector)
     (let ((s5-0 (new 'stack-no-clear 'vector)))
       (cond
         (arg0
-         (let ((a0-1 s5-0))
-           (let ((v1-0 (-> obj target)))
-             (.mov.vf vf6 vf0 :mask #b1000)
-             (.lvf vf4 (&-> v1-0 quad))
-             )
-           (.lvf vf5 (&-> arg0 quad))
-           (.add.vf vf6 vf4 vf5 :mask #b111)
-           (.svf (&-> a0-1 quad) vf6)
-           )
+         (vector+! s5-0 (-> obj target) arg0)
          (vector-! s5-0 s5-0 (-> obj value))
          )
         (else
@@ -612,17 +576,7 @@
         (.mul.x.vf vf1 vf1 vf2 :mask #b111)
         (.svf (&-> v1-3 quad) vf1)
         )
-      (let ((a1-4 (-> obj vel)))
-        (let ((v1-4 (-> obj vel))
-              (a0-6 s5-0)
-              )
-          (.mov.vf vf6 vf0 :mask #b1000)
-          (.lvf vf4 (&-> v1-4 quad))
-          (.lvf vf5 (&-> a0-6 quad))
-          )
-        (.add.vf vf6 vf4 vf5 :mask #b111)
-        (.svf (&-> a1-4 quad) vf6)
-        )
+      (vector+! (-> obj vel) (-> obj vel) s5-0)
       (let ((f0-2 (vector-length (-> obj vel))))
         (when (< (-> obj max-vel) f0-2)
           (let ((v1-6 (-> obj vel)))
@@ -666,15 +620,7 @@
         (.mul.x.vf vf1 vf1 vf2 :mask #b111)
         (.svf (&-> v1-8 quad) vf1)
         )
-      (let ((a0-14 (-> obj value)))
-        (let ((v1-9 (-> obj value)))
-          (.mov.vf vf6 vf0 :mask #b1000)
-          (.lvf vf4 (&-> v1-9 quad))
-          )
-        (.lvf vf5 (&-> s5-0 quad))
-        (.add.vf vf6 vf4 vf5 :mask #b111)
-        (.svf (&-> a0-14 quad) vf6)
-        )
+      (vector+! (-> obj value) (-> obj value) s5-0)
       )
     (-> obj value)
     )
diff --git a/test/decompiler/reference/engine/camera/cam-interface_REF.gc b/test/decompiler/reference/engine/camera/cam-interface_REF.gc
index 68d873eec0..f2dab63816 100644
--- a/test/decompiler/reference/engine/camera/cam-interface_REF.gc
+++ b/test/decompiler/reference/engine/camera/cam-interface_REF.gc
@@ -1,17 +1,11 @@
 ;;-*-Lisp-*-
 (in-package goal)
 
-(rlet ((vf0 :class vf))
-(init-vf0-vector)
-
 ;; definition for function position-in-front-of-camera!
 (defun position-in-front-of-camera! ((arg0 vector) (arg1 float) (arg2 float))
   (rlet ((vf0 :class vf)
          (vf1 :class vf)
          (vf2 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
          )
    (init-vf0-vector)
    (let ((v1-0 arg0))
@@ -28,17 +22,7 @@
     (.svf (&-> v1-0 quad) vf1)
     )
    (vector+float*! arg0 arg0 (-> *math-camera* inv-camera-rot vector 1) arg2)
-   (let ((a0-5 arg0))
-    (let ((v1-3 arg0)
-          (a1-3 (-> *math-camera* trans))
-          )
-     (.mov.vf vf6 vf0 :mask #b1000)
-     (.lvf vf4 (&-> v1-3 quad))
-     (.lvf vf5 (&-> a1-3 quad))
-     )
-    (.add.vf vf6 vf4 vf5 :mask #b111)
-    (.svf (&-> a0-5 quad) vf6)
-    )
+   (vector+! arg0 arg0 (-> *math-camera* trans))
    arg0
    )
   )
@@ -56,13 +40,8 @@
   (-> *math-camera* camera-rot)
   )
 
-;; failed to figure out what this is:
-(when (or (not *camera-dummy-vector*) (zero? *camera-dummy-vector*))
-  (let ((v1-8 (new 'global 'vector)))
-   (.svf (&-> v1-8 quad) vf0)
-   (set! *camera-dummy-vector* v1-8)
-   )
-  )
+;; definition (perm) for symbol *camera-dummy-vector*, type vector
+(define-perm *camera-dummy-vector* vector (vector-reset! (new 'global 'vector)))
 
 ;; definition for function camera-pos
 ;; INFO: Return type mismatch object vs vector.
@@ -119,8 +98,3 @@
    (none)
    )
   )
-
-;; failed to figure out what this is:
-(none)
-
-)
\ No newline at end of file
diff --git a/test/decompiler/reference/engine/camera/cam-update-h_REF.gc b/test/decompiler/reference/engine/camera/cam-update-h_REF.gc
index 23e3e92bc1..d80ca8c71f 100644
--- a/test/decompiler/reference/engine/camera/cam-update-h_REF.gc
+++ b/test/decompiler/reference/engine/camera/cam-update-h_REF.gc
@@ -1,9 +1,6 @@
 ;;-*-Lisp-*-
 (in-package goal)
 
-(rlet ((vf0 :class vf))
-(init-vf0-vector)
-
 ;; definition for symbol *external-cam-options*, type int
 (define *external-cam-options* 0)
 
@@ -20,13 +17,8 @@
 ;; definition (perm) for symbol *camera-other-fov*, type bfloat
 (define-perm *camera-other-fov* bfloat (new 'static 'bfloat :data 11650.845))
 
-;; failed to figure out what this is:
-(when (or (not *camera-other-trans*) (zero? *camera-other-trans*))
-  (let ((v1-15 (new 'global 'vector)))
-   (.svf (&-> v1-15 quad) vf0)
-   (set! *camera-other-trans* v1-15)
-   )
-  )
+;; definition (perm) for symbol *camera-other-trans*, type vector
+(define-perm *camera-other-trans* vector (vector-reset! (new 'global 'vector)))
 
 ;; definition (perm) for symbol *camera-other-matrix*, type matrix
 (define-perm *camera-other-matrix* matrix
@@ -38,22 +30,9 @@
   (set-zero! (new 'global 'smush-control))
   )
 
-;; failed to figure out what this is:
-(when (or (not *camera-other-root*) (zero? *camera-other-root*))
-  (let ((v1-34 (new 'global 'vector)))
-   (.svf (&-> v1-34 quad) vf0)
-   (set! *camera-other-root* v1-34)
-   )
-  )
+;; definition (perm) for symbol *camera-other-root*, type vector
+(define-perm *camera-other-root* vector (vector-reset! (new 'global 'vector)))
 
 ;; failed to figure out what this is:
 (let ((v0-6 0))
   )
-
-;; failed to figure out what this is:
-(none)
-
-)
-
-
-
diff --git a/test/decompiler/reference/engine/camera/camera-h_REF.gc b/test/decompiler/reference/engine/camera/camera-h_REF.gc
index 3026646516..c309fee97b 100644
--- a/test/decompiler/reference/engine/camera/camera-h_REF.gc
+++ b/test/decompiler/reference/engine/camera/camera-h_REF.gc
@@ -344,26 +344,23 @@
   TODO-RENAME-9
   cam-vector-seeker
   ((obj cam-vector-seeker) (arg0 vector) (arg1 float) (arg2 float) (arg3 float))
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (cond
-    (arg0
-     (set! (-> obj target quad) (-> arg0 quad))
-     (set! (-> obj value quad) (-> arg0 quad))
-     )
-    (else
-     (.svf (&-> (-> obj target) quad) vf0)
-     (.svf (&-> (-> obj value) quad) vf0)
-     )
+  (cond
+   (arg0
+    (set! (-> obj target quad) (-> arg0 quad))
+    (set! (-> obj value quad) (-> arg0 quad))
     )
-   (.svf (&-> (-> obj vel) quad) vf0)
-   (set! (-> obj accel) arg1)
-   (set! (-> obj max-vel) arg2)
-   (set! (-> obj max-partial) arg3)
-   (let ((v0-0 0))
+   (else
+    (vector-reset! (-> obj target))
+    (vector-reset! (-> obj value))
     )
-   (none)
    )
+  (vector-reset! (-> obj vel))
+  (set! (-> obj accel) arg1)
+  (set! (-> obj max-vel) arg2)
+  (set! (-> obj max-partial) arg3)
+  (let ((v0-0 0))
+   )
+  (none)
   )
 
 ;; definition for method 10 of type cam-vector-seeker
@@ -375,9 +372,6 @@
   (rlet ((vf0 :class vf)
          (vf1 :class vf)
          (vf2 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
          )
    (init-vf0-vector)
    (let ((gp-0 (new 'stack-no-clear 'vector)))
@@ -385,15 +379,7 @@
      )
     (cond
      (arg0
-      (let ((a0-1 gp-0))
-       (let ((v1-0 (-> obj target)))
-        (.mov.vf vf6 vf0 :mask #b1000)
-        (.lvf vf4 (&-> v1-0 quad))
-        )
-       (.lvf vf5 (&-> arg0 quad))
-       (.add.vf vf6 vf4 vf5 :mask #b111)
-       (.svf (&-> a0-1 quad) vf6)
-       )
+      (vector+! gp-0 (-> obj target) arg0)
       (vector-! gp-0 gp-0 (-> obj value))
       )
      (else
@@ -414,17 +400,7 @@
       (.mul.x.vf vf1 vf1 vf2 :mask #b111)
       (.svf (&-> v1-3 quad) vf1)
       )
-     (let ((a1-4 (-> obj vel)))
-      (let ((v1-4 (-> obj vel))
-            (a0-7 gp-0)
-            )
-       (.mov.vf vf6 vf0 :mask #b1000)
-       (.lvf vf4 (&-> v1-4 quad))
-       (.lvf vf5 (&-> a0-7 quad))
-       )
-      (.add.vf vf6 vf4 vf5 :mask #b111)
-      (.svf (&-> a1-4 quad) vf6)
-      )
+     (vector+! (-> obj vel) (-> obj vel) gp-0)
      (let ((f0-4 (vector-length (-> obj vel)))
            (f1-2 (fmin f30-1 (-> obj max-vel)))
            )
@@ -458,15 +434,7 @@
      (.mul.x.vf vf1 vf1 vf2 :mask #b111)
      (.svf (&-> v1-7 quad) vf1)
      )
-    (let ((v1-8 (-> obj value)))
-     (let ((a0-13 (-> obj value)))
-      (.mov.vf vf6 vf0 :mask #b1000)
-      (.lvf vf4 (&-> a0-13 quad))
-      )
-     (.lvf vf5 (&-> gp-0 quad))
-     (.add.vf vf6 vf4 vf5 :mask #b111)
-     (.svf (&-> v1-8 quad) vf6)
-     )
+    (vector+! (-> obj value) (-> obj value) gp-0)
     )
    (let ((v0-2 0))
     )
diff --git a/test/decompiler/reference/engine/camera/math-camera_REF.gc b/test/decompiler/reference/engine/camera/math-camera_REF.gc
index a9633b4871..81c188c71e 100644
--- a/test/decompiler/reference/engine/camera/math-camera_REF.gc
+++ b/test/decompiler/reference/engine/camera/math-camera_REF.gc
@@ -318,35 +318,32 @@
 
 ;; definition for method 0 of type math-camera
 (defmethod new math-camera ((allocation symbol) (type-to-make type))
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (let
-    ((gp-0
-      (object-new allocation type-to-make (the-as int (-> type-to-make size)))
-      )
+  (let
+   ((gp-0
+     (object-new allocation type-to-make (the-as int (-> type-to-make size)))
      )
-    (set! (-> gp-0 d) 1024.0)
-    (set! (-> gp-0 f) 40960000.0)
-    (set! (-> gp-0 fov) 11650.845)
-    (set! (-> gp-0 x-pix) 256.0)
-    (set! (-> gp-0 x-clip) 1024.0)
-    (set! (-> gp-0 y-pix) 112.0)
-    (set! (-> gp-0 y-clip) 448.0)
-    (set! (-> gp-0 fog-start) 40960.0)
-    (set! (-> gp-0 fog-end) 819200.0)
-    (set! (-> gp-0 fog-max) 255.0)
-    (set! (-> gp-0 fog-min) 150.0)
-    (matrix-identity! (-> gp-0 inv-camera-rot))
-    (matrix-identity! (-> gp-0 camera-rot))
-    (.svf (&-> (-> gp-0 trans) quad) vf0)
-    (set! (-> gp-0 isometric vector 0 x) 1.0)
-    (set! (-> gp-0 isometric vector 1 y) 0.5)
-    (set! (-> gp-0 isometric vector 2 z) -1.0)
-    (set! (-> gp-0 reset) 1)
-    (set! (-> gp-0 smooth-step) 0.0)
-    (set! (-> gp-0 smooth-t) 0.0)
-    (update-math-camera gp-0 'ntsc 'aspect4x3)
     )
+   (set! (-> gp-0 d) 1024.0)
+   (set! (-> gp-0 f) 40960000.0)
+   (set! (-> gp-0 fov) 11650.845)
+   (set! (-> gp-0 x-pix) 256.0)
+   (set! (-> gp-0 x-clip) 1024.0)
+   (set! (-> gp-0 y-pix) 112.0)
+   (set! (-> gp-0 y-clip) 448.0)
+   (set! (-> gp-0 fog-start) 40960.0)
+   (set! (-> gp-0 fog-end) 819200.0)
+   (set! (-> gp-0 fog-max) 255.0)
+   (set! (-> gp-0 fog-min) 150.0)
+   (matrix-identity! (-> gp-0 inv-camera-rot))
+   (matrix-identity! (-> gp-0 camera-rot))
+   (vector-reset! (-> gp-0 trans))
+   (set! (-> gp-0 isometric vector 0 x) 1.0)
+   (set! (-> gp-0 isometric vector 1 y) 0.5)
+   (set! (-> gp-0 isometric vector 2 z) -1.0)
+   (set! (-> gp-0 reset) 1)
+   (set! (-> gp-0 smooth-step) 0.0)
+   (set! (-> gp-0 smooth-t) 0.0)
+   (update-math-camera gp-0 'ntsc 'aspect4x3)
    )
   )
 
@@ -366,118 +363,100 @@
 ;; definition for function move-target-from-pad
 ;; Used lq/sq
 (defun move-target-from-pad ((trans transform) (pad-idx int))
-  (rlet ((vf0 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
+  (let ((local-trans (new-stack-vector0)))
+   (set! (-> local-trans x) (cond
+                             ((nonzero?
+                               (logand
+                                (-> *cpad-list* cpads pad-idx button0-abs 0)
+                                (pad-buttons circle)
+                                )
+                               )
+                              -80.0
+                              )
+                             ((nonzero?
+                               (logand
+                                (-> *cpad-list* cpads pad-idx button0-abs 0)
+                                (pad-buttons square)
+                                )
+                               )
+                              80.0
+                              )
+                             (else
+                              0.0
+                              )
+                             )
+    )
+   (set! (-> local-trans y) 0.0)
+   (set! (-> local-trans z) (cond
+                             ((nonzero?
+                               (logand
+                                (-> *cpad-list* cpads pad-idx button0-abs 0)
+                                (pad-buttons down)
+                                )
+                               )
+                              -80.0
+                              )
+                             ((nonzero?
+                               (logand
+                                (-> *cpad-list* cpads pad-idx button0-abs 0)
+                                (pad-buttons up)
+                                )
+                               )
+                              80.0
+                              )
+                             (else
+                              0.0
+                              )
+                             )
+    )
+   (set! (-> local-trans w) 1.0)
+   (let ((inv-cam-rot (new-stack-vector0))
+         (cam-rot-mat (new-stack-matrix0))
          )
-   (init-vf0-vector)
-   (let ((local-trans (new-stack-vector0)))
-    (set! (-> local-trans x) (cond
-                              ((nonzero?
-                                (logand
-                                 (-> *cpad-list* cpads pad-idx button0-abs 0)
-                                 (pad-buttons circle)
-                                 )
-                                )
-                               -80.0
-                               )
-                              ((nonzero?
-                                (logand
-                                 (-> *cpad-list* cpads pad-idx button0-abs 0)
-                                 (pad-buttons square)
-                                 )
-                                )
-                               80.0
-                               )
-                              (else
-                               0.0
-                               )
-                              )
-     )
-    (set! (-> local-trans y) 0.0)
-    (set! (-> local-trans z) (cond
-                              ((nonzero?
-                                (logand
-                                 (-> *cpad-list* cpads pad-idx button0-abs 0)
-                                 (pad-buttons down)
-                                 )
-                                )
-                               -80.0
-                               )
-                              ((nonzero?
-                                (logand
-                                 (-> *cpad-list* cpads pad-idx button0-abs 0)
-                                 (pad-buttons up)
-                                 )
-                                )
-                               80.0
-                               )
-                              (else
-                               0.0
-                               )
-                              )
-     )
-    (set! (-> local-trans w) 1.0)
-    (let ((inv-cam-rot (new-stack-vector0))
-          (cam-rot-mat (new-stack-matrix0))
-          )
-     (vector-negate! inv-cam-rot (-> trans rot))
-     (matrix-rotate-zyx! cam-rot-mat (-> trans rot))
-     (vector-matrix*! local-trans local-trans cam-rot-mat)
-     )
-    (let ((a0-8 (-> trans trans)))
-     (let ((v1-23 (-> trans trans)))
-      (.mov.vf vf6 vf0 :mask #b1000)
-      (.lvf vf4 (&-> v1-23 quad))
-      )
-     (.lvf vf5 (&-> local-trans quad))
-     (.add.vf vf6 vf4 vf5 :mask #b111)
-     (.svf (&-> a0-8 quad) vf6)
-     )
+    (vector-negate! inv-cam-rot (-> trans rot))
+    (matrix-rotate-zyx! cam-rot-mat (-> trans rot))
+    (vector-matrix*! local-trans local-trans cam-rot-mat)
     )
-   (set! (-> trans trans w) 1.0)
-   (if
-    (nonzero?
-     (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons r1))
-     )
-    (set! (-> trans trans y) (+ 80.0 (-> trans trans y)))
-    )
-   (if
-    (nonzero?
-     (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons r2))
-     )
-    (set! (-> trans trans y) (+ -80.0 (-> trans trans y)))
-    )
-   (if
-    (nonzero?
-     (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons x))
-     )
-    (set! (-> trans rot x) (+ 546.13336 (-> trans rot x)))
-    )
-   (if
-    (nonzero?
-     (logand
-      (-> *cpad-list* cpads pad-idx button0-abs 0)
-      (pad-buttons triangle)
-      )
-     )
-    (set! (-> trans rot x) (+ -546.13336 (-> trans rot x)))
-    )
-   (if
-    (nonzero?
-     (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons left))
-     )
-    (set! (-> trans rot y) (+ 546.13336 (-> trans rot y)))
-    )
-   (if
-    (nonzero?
-     (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons right))
-     )
-    (set! (-> trans rot y) (+ -546.13336 (-> trans rot y)))
-    )
-   trans
+   (vector+! (-> trans trans) (-> trans trans) local-trans)
    )
+  (set! (-> trans trans w) 1.0)
+  (if
+   (nonzero?
+    (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons r1))
+    )
+   (set! (-> trans trans y) (+ 80.0 (-> trans trans y)))
+   )
+  (if
+   (nonzero?
+    (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons r2))
+    )
+   (set! (-> trans trans y) (+ -80.0 (-> trans trans y)))
+   )
+  (if
+   (nonzero?
+    (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons x))
+    )
+   (set! (-> trans rot x) (+ 546.13336 (-> trans rot x)))
+   )
+  (if
+   (nonzero?
+    (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons triangle))
+    )
+   (set! (-> trans rot x) (+ -546.13336 (-> trans rot x)))
+   )
+  (if
+   (nonzero?
+    (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons left))
+    )
+   (set! (-> trans rot y) (+ 546.13336 (-> trans rot y)))
+   )
+  (if
+   (nonzero?
+    (logand (-> *cpad-list* cpads pad-idx button0-abs 0) (pad-buttons right))
+    )
+   (set! (-> trans rot y) (+ -546.13336 (-> trans rot y)))
+   )
+  trans
   )
 
 ;; definition for function transform-point-vector!
diff --git a/test/decompiler/reference/engine/gfx/ripple_REF.gc b/test/decompiler/reference/engine/gfx/ripple_REF.gc
index d67fba509e..239082f124 100644
--- a/test/decompiler/reference/engine/gfx/ripple_REF.gc
+++ b/test/decompiler/reference/engine/gfx/ripple_REF.gc
@@ -141,44 +141,27 @@
 (defun-debug
   ripple-add-debug-sphere
   ((arg0 process-drawable) (arg1 vector) (arg2 float) (arg3 float))
-  (rlet ((vf0 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
+  (let ((f30-0 (- (quaternion-y-angle (-> arg0 root quat))))
+        (s5-0 (new-stack-vector0))
+        )
+   (let ((f28-0 (+ (-> arg1 x) (* arg2 (-> arg1 z))))
+         (f26-0 (+ (-> arg1 y) (* arg3 (-> arg1 z))))
          )
-   (init-vf0-vector)
-   (let ((f30-0 (- (quaternion-y-angle (-> arg0 root quat))))
-         (s5-0 (new-stack-vector0))
-         )
-    (let ((f28-0 (+ (-> arg1 x) (* arg2 (-> arg1 z))))
-          (f26-0 (+ (-> arg1 y) (* arg3 (-> arg1 z))))
-          )
-     (set! (-> s5-0 x) (- (* f28-0 (cos f30-0)) (* f26-0 (sin f30-0))))
-     (set! (-> s5-0 y) 0.0)
-     (set! (-> s5-0 z) (+ (* f26-0 (cos f30-0)) (* f28-0 (sin f30-0))))
-     )
-    (set! (-> s5-0 w) 0.0)
-    (let ((a0-6 s5-0))
-     (let ((v1-1 s5-0)
-           (a1-2 (-> arg0 root trans))
-           )
-      (.mov.vf vf6 vf0 :mask #b1000)
-      (.lvf vf4 (&-> v1-1 quad))
-      (.lvf vf5 (&-> a1-2 quad))
-      )
-     (.add.vf vf6 vf4 vf5 :mask #b111)
-     (.svf (&-> a0-6 quad) vf6)
-     )
-    (add-debug-sphere
-     #t
-     (bucket-id debug-draw0)
-     s5-0
-     2048.0
-     (new 'static 'rgba :r #xff :g #xff :a #x80)
-     )
+    (set! (-> s5-0 x) (- (* f28-0 (cos f30-0)) (* f26-0 (sin f30-0))))
+    (set! (-> s5-0 y) 0.0)
+    (set! (-> s5-0 z) (+ (* f26-0 (cos f30-0)) (* f28-0 (sin f30-0))))
+    )
+   (set! (-> s5-0 w) 0.0)
+   (vector+! s5-0 s5-0 (-> arg0 root trans))
+   (add-debug-sphere
+    #t
+    (bucket-id debug-draw0)
+    s5-0
+    2048.0
+    (new 'static 'rgba :r #xff :g #xff :a #x80)
     )
-   (none)
    )
+  (none)
   )
 
 ;; definition for function ripple-slow-add-sine-waves
diff --git a/test/decompiler/reference/engine/target/joint-mod-h_REF.gc b/test/decompiler/reference/engine/target/joint-mod-h_REF.gc
index df65d60a1a..d551e83c8e 100644
--- a/test/decompiler/reference/engine/target/joint-mod-h_REF.gc
+++ b/test/decompiler/reference/engine/target/joint-mod-h_REF.gc
@@ -112,75 +112,72 @@
   set-mode!
   joint-mod
   ((obj joint-mod) (handler-mode joint-mod-handler-mode))
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (set! (-> obj mode) handler-mode)
-   (let ((joint (-> obj joint))
-         (mode handler-mode)
-         )
-    (cond
-     ((= mode (joint-mod-handler-mode flex-blend))
-      (set! (-> joint param0) #f)
-      (set! (-> joint param1) #f)
-      (set! (-> joint param2) #f)
-      (set! (-> obj blend) 0.0)
-      (set! (-> obj flex-blend) 1.0)
+  (set! (-> obj mode) handler-mode)
+  (let ((joint (-> obj joint))
+        (mode handler-mode)
+        )
+   (cond
+    ((= mode (joint-mod-handler-mode flex-blend))
+     (set! (-> joint param0) #f)
+     (set! (-> joint param1) #f)
+     (set! (-> joint param2) #f)
+     (set! (-> obj blend) 0.0)
+     (set! (-> obj flex-blend) 1.0)
+     )
+    ((= mode (joint-mod-handler-mode reset))
+     (set! (-> joint param0) #f)
+     (set! (-> joint param1) #f)
+     (set! (-> joint param2) #f)
+     (set! (-> obj blend) 0.0)
+     (set! (-> obj shutting-down?) #f)
+     )
+    ((= mode (joint-mod-handler-mode look-at))
+     (set! (-> joint param0) joint-mod-look-at-handler)
+     (set! (-> joint param1) obj)
+     (set! (-> joint param2) #f)
+     )
+    ((= mode (joint-mod-handler-mode world-look-at))
+     (set! (-> joint param0) joint-mod-world-look-at-handler)
+     (set! (-> joint param1) obj)
+     (set! (-> joint param2) #f)
+     )
+    ((= mode (joint-mod-handler-mode rotate))
+     (set! (-> joint param0) joint-mod-rotate-handler)
+     (set! (-> joint param1) obj)
+     (set! (-> joint param2) #f)
+     (set! (-> obj blend) 1.0)
+     )
+    ((= mode (joint-mod-handler-mode joint-set))
+     (set! (-> joint param0) joint-mod-joint-set-handler)
+     (set! (-> joint param1) obj)
+     (set! (-> joint param2) #f)
+     (vector-reset! (-> obj trans))
+     (quaternion-identity! (-> obj quat))
+     (let ((v1-2 (-> obj scale)))
+      (set! (-> v1-2 x) 1.0)
+      (set! (-> v1-2 y) 1.0)
+      (set! (-> v1-2 z) 1.0)
+      (set! (-> v1-2 w) 1.0)
       )
-     ((= mode (joint-mod-handler-mode reset))
-      (set! (-> joint param0) #f)
-      (set! (-> joint param1) #f)
-      (set! (-> joint param2) #f)
-      (set! (-> obj blend) 0.0)
-      (set! (-> obj shutting-down?) #f)
-      )
-     ((= mode (joint-mod-handler-mode look-at))
-      (set! (-> joint param0) joint-mod-look-at-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      )
-     ((= mode (joint-mod-handler-mode world-look-at))
-      (set! (-> joint param0) joint-mod-world-look-at-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      )
-     ((= mode (joint-mod-handler-mode rotate))
-      (set! (-> joint param0) joint-mod-rotate-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      (set! (-> obj blend) 1.0)
-      )
-     ((= mode (joint-mod-handler-mode joint-set))
-      (set! (-> joint param0) joint-mod-joint-set-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      (.svf (&-> (-> obj trans) quad) vf0)
-      (quaternion-identity! (-> obj quat))
-      (let ((v1-2 (-> obj scale)))
-       (set! (-> v1-2 x) 1.0)
-       (set! (-> v1-2 y) 1.0)
-       (set! (-> v1-2 z) 1.0)
-       (set! (-> v1-2 w) 1.0)
-       )
-      (set! (-> obj max-dist) (the-as float #f))
-      )
-     ((= mode (joint-mod-handler-mode joint-set*))
-      (set! (-> joint param0) joint-mod-joint-set*-handler)
-      (set! (-> joint param1) obj)
-      (set! (-> joint param2) #f)
-      (.svf (&-> (-> obj trans) quad) vf0)
-      (quaternion-identity! (-> obj quat))
-      (let ((v1-4 (-> obj scale)))
-       (set! (-> v1-4 x) 1.0)
-       (set! (-> v1-4 y) 1.0)
-       (set! (-> v1-4 z) 1.0)
-       (set! (-> v1-4 w) 1.0)
-       )
-      (set! (-> obj max-dist) (the-as float #f))
+     (set! (-> obj max-dist) (the-as float #f))
+     )
+    ((= mode (joint-mod-handler-mode joint-set*))
+     (set! (-> joint param0) joint-mod-joint-set*-handler)
+     (set! (-> joint param1) obj)
+     (set! (-> joint param2) #f)
+     (vector-reset! (-> obj trans))
+     (quaternion-identity! (-> obj quat))
+     (let ((v1-4 (-> obj scale)))
+      (set! (-> v1-4 x) 1.0)
+      (set! (-> v1-4 y) 1.0)
+      (set! (-> v1-4 z) 1.0)
+      (set! (-> v1-4 w) 1.0)
       )
+     (set! (-> obj max-dist) (the-as float #f))
      )
     )
-   obj
    )
+  obj
   )
 
 ;; definition for method 12 of type joint-mod
@@ -742,42 +739,25 @@
 ;; definition for function joint-mod-joint-set*-handler
 ;; INFO: Return type mismatch int vs none.
 (defun joint-mod-joint-set*-handler ((arg0 cspace) (arg1 transformq))
-  (rlet ((vf0 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
-         )
-   (init-vf0-vector)
-   (let ((s5-0 (the-as joint-mod (-> arg0 param1))))
-    (let ((a1-1 (-> arg1 trans)))
-     (let ((v1-0 (-> arg1 trans))
-           (a0-1 (-> s5-0 trans))
-           )
-      (.mov.vf vf6 vf0 :mask #b1000)
-      (.lvf vf4 (&-> v1-0 quad))
-      (.lvf vf5 (&-> a0-1 quad))
-      )
-     (.add.vf vf6 vf4 vf5 :mask #b111)
-     (.svf (&-> a1-1 quad) vf6)
-     )
-    (quaternion-normalize!
-     (quaternion*! (-> arg1 quat) (-> arg1 quat) (-> s5-0 quat))
-     )
-    (vector*! (-> arg1 scale) (-> arg1 scale) (-> s5-0 scale))
-    (cspace<-parented-transformq-joint! arg0 arg1)
-    (when (-> s5-0 max-dist)
-     (let ((v1-4 (-> arg0 bone scale)))
-      (set! (-> v1-4 x) 1.0)
-      (set! (-> v1-4 y) 1.0)
-      (set! (-> v1-4 z) 1.0)
-      (set! (-> v1-4 w) 1.0)
-      )
+  (let ((s5-0 (the-as joint-mod (-> arg0 param1))))
+   (vector+! (-> arg1 trans) (-> arg1 trans) (-> s5-0 trans))
+   (quaternion-normalize!
+    (quaternion*! (-> arg1 quat) (-> arg1 quat) (-> s5-0 quat))
+    )
+   (vector*! (-> arg1 scale) (-> arg1 scale) (-> s5-0 scale))
+   (cspace<-parented-transformq-joint! arg0 arg1)
+   (when (-> s5-0 max-dist)
+    (let ((v1-4 (-> arg0 bone scale)))
+     (set! (-> v1-4 x) 1.0)
+     (set! (-> v1-4 y) 1.0)
+     (set! (-> v1-4 z) 1.0)
+     (set! (-> v1-4 w) 1.0)
      )
     )
-   (let ((v0-4 0))
-    )
-   (none)
    )
+  (let ((v0-4 0))
+   )
+  (none)
   )
 
 ;; definition for symbol *joint-axis-vectors*, type (inline-array vector)
diff --git a/test/decompiler/reference/engine/util/sync-info_REF.gc b/test/decompiler/reference/engine/util/sync-info_REF.gc
index ef4f62c4a4..ae2a9b5b01 100644
--- a/test/decompiler/reference/engine/util/sync-info_REF.gc
+++ b/test/decompiler/reference/engine/util/sync-info_REF.gc
@@ -471,17 +471,14 @@
   dummy-9
   delayed-rand-vector
   ((obj delayed-rand-vector) (arg0 int) (arg1 int) (arg2 float) (arg3 float))
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (set! (-> obj min-time) arg0)
-   (set! (-> obj max-time) arg1)
-   (set! (-> obj xz-max) (* 0.5 arg2))
-   (set! (-> obj y-max) (* 0.5 arg3))
-   (set! (-> obj start-time) (the-as uint 0))
-   (set! (-> obj timer) 0)
-   (.svf (&-> (-> obj value) quad) vf0)
-   (-> obj value)
-   )
+  (set! (-> obj min-time) arg0)
+  (set! (-> obj max-time) arg1)
+  (set! (-> obj xz-max) (* 0.5 arg2))
+  (set! (-> obj y-max) (* 0.5 arg3))
+  (set! (-> obj start-time) (the-as uint 0))
+  (set! (-> obj timer) 0)
+  (vector-reset! (-> obj value))
+  (-> obj value)
   )
 
 ;; definition for method 10 of type delayed-rand-vector
@@ -517,18 +514,15 @@
 
 ;; definition for method 12 of type delayed-rand-vector
 (defmethod dummy-12 delayed-rand-vector ((obj delayed-rand-vector))
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (if
-    (>=
-     (the-as int (- (-> *display* base-frame-counter) (-> obj start-time)))
-     (-> obj timer)
-     )
-    (dummy-10 obj)
-    (.svf (&-> (-> obj value) quad) vf0)
+  (if
+   (>=
+    (the-as int (- (-> *display* base-frame-counter) (-> obj start-time)))
+    (-> obj timer)
     )
-   (-> obj value)
+   (dummy-10 obj)
+   (vector-reset! (-> obj value))
    )
+  (-> obj value)
   )
 
 ;; definition for method 9 of type oscillating-vector
@@ -542,24 +536,21 @@
    (arg2 float)
    (arg3 float)
    )
-  (rlet ((vf0 :class vf))
-   (init-vf0-vector)
-   (cond
-    (arg0
-     (set! (-> obj value quad) (-> arg0 quad))
-     (set! (-> obj target quad) (-> arg0 quad))
-     )
-    (else
-     (.svf (&-> (-> obj value) quad) vf0)
-     (.svf (&-> (-> obj target) quad) vf0)
-     )
+  (cond
+   (arg0
+    (set! (-> obj value quad) (-> arg0 quad))
+    (set! (-> obj target quad) (-> arg0 quad))
+    )
+   (else
+    (vector-reset! (-> obj value))
+    (vector-reset! (-> obj target))
     )
-   (.svf (&-> (-> obj vel) quad) vf0)
-   (set! (-> obj max-vel) arg2)
-   (set! (-> obj damping) arg3)
-   (set! (-> obj accel) arg1)
-   (-> obj value)
    )
+  (vector-reset! (-> obj vel))
+  (set! (-> obj max-vel) arg2)
+  (set! (-> obj damping) arg3)
+  (set! (-> obj accel) arg1)
+  (-> obj value)
   )
 
 ;; definition for method 10 of type oscillating-vector
@@ -567,23 +558,12 @@
   (rlet ((vf0 :class vf)
          (vf1 :class vf)
          (vf2 :class vf)
-         (vf4 :class vf)
-         (vf5 :class vf)
-         (vf6 :class vf)
          )
    (init-vf0-vector)
    (let ((s5-0 (new 'stack-no-clear 'vector)))
     (cond
      (arg0
-      (let ((a0-1 s5-0))
-       (let ((v1-0 (-> obj target)))
-        (.mov.vf vf6 vf0 :mask #b1000)
-        (.lvf vf4 (&-> v1-0 quad))
-        )
-       (.lvf vf5 (&-> arg0 quad))
-       (.add.vf vf6 vf4 vf5 :mask #b111)
-       (.svf (&-> a0-1 quad) vf6)
-       )
+      (vector+! s5-0 (-> obj target) arg0)
       (vector-! s5-0 s5-0 (-> obj value))
       )
      (else
@@ -603,17 +583,7 @@
      (.mul.x.vf vf1 vf1 vf2 :mask #b111)
      (.svf (&-> v1-3 quad) vf1)
      )
-    (let ((a1-4 (-> obj vel)))
-     (let ((v1-4 (-> obj vel))
-           (a0-6 s5-0)
-           )
-      (.mov.vf vf6 vf0 :mask #b1000)
-      (.lvf vf4 (&-> v1-4 quad))
-      (.lvf vf5 (&-> a0-6 quad))
-      )
-     (.add.vf vf6 vf4 vf5 :mask #b111)
-     (.svf (&-> a1-4 quad) vf6)
-     )
+    (vector+! (-> obj vel) (-> obj vel) s5-0)
     (let ((f0-2 (vector-length (-> obj vel))))
      (when (< (-> obj max-vel) f0-2)
       (let ((v1-6 (-> obj vel)))
@@ -657,15 +627,7 @@
      (.mul.x.vf vf1 vf1 vf2 :mask #b111)
      (.svf (&-> v1-8 quad) vf1)
      )
-    (let ((a0-14 (-> obj value)))
-     (let ((v1-9 (-> obj value)))
-      (.mov.vf vf6 vf0 :mask #b1000)
-      (.lvf vf4 (&-> v1-9 quad))
-      )
-     (.lvf vf5 (&-> s5-0 quad))
-     (.add.vf vf6 vf4 vf5 :mask #b111)
-     (.svf (&-> a0-14 quad) vf6)
-     )
+    (vector+! (-> obj value) (-> obj value) s5-0)
     )
    (-> obj value)
    )