diff --git a/PixelComposer.resource_order b/PixelComposer.resource_order
index e263a8ff4..cc351fff0 100644
--- a/PixelComposer.resource_order
+++ b/PixelComposer.resource_order
@@ -189,6 +189,7 @@
     {"name":"blinker","order":30,"path":"folders/shader/generator/blinker.yy",},
     {"name":"cell","order":31,"path":"folders/shader/generator/cell.yy",},
     {"name":"grid","order":32,"path":"folders/shader/generator/grid.yy",},
+    {"name":"interpret","order":35,"path":"folders/shader/generator/interpret.yy",},
     {"name":"noise","order":33,"path":"folders/shader/generator/noise.yy",},
     {"name":"random shape","order":29,"path":"folders/shader/generator/random shape.yy",},
     {"name":"region","order":34,"path":"folders/shader/generator/region.yy",},
@@ -209,7 +210,6 @@
     {"name":"biterator","order":2,"path":"folders/VCT/biterator.yy",},
     {"name":"widget","order":3,"path":"folders/VCT/widget.yy",},
     {"name":"widgets","order":5,"path":"folders/widgets.yy",},
-    {"name":"interpret","order":35,"path":"folders/shader/generator/interpret.yy",},
   ],
   "ResourceOrderSettings": [
     {"name":"s_node_corner","order":16,"path":"sprites/s_node_corner/s_node_corner.yy",},
@@ -669,7 +669,7 @@
     {"name":"node_VFX_effect_destroy","order":12,"path":"scripts/node_VFX_effect_destroy/node_VFX_effect_destroy.yy",},
     {"name":"node_cache","order":9,"path":"scripts/node_cache/node_cache.yy",},
     {"name":"sh_bw","order":3,"path":"shaders/sh_bw/sh_bw.yy",},
-    {"name":"real_comparison","order":18,"path":"scripts/real_comparison/real_comparison.yy",},
+    {"name":"var_comparison","order":1,"path":"scripts/var_comparison/var_comparison.yy",},
     {"name":"node_array_zip","order":25,"path":"scripts/node_array_zip/node_array_zip.yy",},
     {"name":"fd_rectangle_get_collision_mask_sprite_image","order":5,"path":"scripts/fd_rectangle_get_collision_mask_sprite_image/fd_rectangle_get_collision_mask_sprite_image.yy",},
     {"name":"s_node_stripe","order":16,"path":"sprites/s_node_stripe/s_node_stripe.yy",},
diff --git a/PixelComposer.yyp b/PixelComposer.yyp
index e9fd98edc..050c8841d 100644
--- a/PixelComposer.yyp
+++ b/PixelComposer.yyp
@@ -225,6 +225,7 @@
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"blinker","folderPath":"folders/shader/generator/blinker.yy",},
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"cell","folderPath":"folders/shader/generator/cell.yy",},
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"grid","folderPath":"folders/shader/generator/grid.yy",},
+    {"resourceType":"GMFolder","resourceVersion":"1.0","name":"interpret","folderPath":"folders/shader/generator/interpret.yy",},
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"noise","folderPath":"folders/shader/generator/noise.yy",},
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"random shape","folderPath":"folders/shader/generator/random shape.yy",},
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"region","folderPath":"folders/shader/generator/region.yy",},
@@ -248,7 +249,6 @@
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"biterator","folderPath":"folders/VCT/biterator.yy",},
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"widget","folderPath":"folders/VCT/widget.yy",},
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"widgets","folderPath":"folders/widgets.yy",},
-    {"resourceType":"GMFolder","resourceVersion":"1.0","name":"interpret","folderPath":"folders/shader/generator/interpret.yy",},
   ],
   "IncludedFiles": [
     {"resourceType":"GMIncludedFile","resourceVersion":"1.0","name":"ApolloHelp.html","ConfigValues":{"Itch":{"CopyToMask":"0",},},"CopyToMask":-1,"filePath":"datafiles",},
@@ -1272,7 +1272,7 @@
     {"id":{"name":"node_VFX_effect_destroy","path":"scripts/node_VFX_effect_destroy/node_VFX_effect_destroy.yy",},},
     {"id":{"name":"node_cache","path":"scripts/node_cache/node_cache.yy",},},
     {"id":{"name":"sh_bw","path":"shaders/sh_bw/sh_bw.yy",},},
-    {"id":{"name":"real_comparison","path":"scripts/real_comparison/real_comparison.yy",},},
+    {"id":{"name":"var_comparison","path":"scripts/var_comparison/var_comparison.yy",},},
     {"id":{"name":"sh_sdf_tex","path":"shaders/sh_sdf_tex/sh_sdf_tex.yy",},},
     {"id":{"name":"node_array_zip","path":"scripts/node_array_zip/node_array_zip.yy",},},
     {"id":{"name":"fd_rectangle_get_collision_mask_sprite_image","path":"scripts/fd_rectangle_get_collision_mask_sprite_image/fd_rectangle_get_collision_mask_sprite_image.yy",},},
diff --git a/objects/o_main/Step_0.gml b/objects/o_main/Step_0.gml
index 483ace211..bf52f50f5 100644
--- a/objects/o_main/Step_0.gml
+++ b/objects/o_main/Step_0.gml
@@ -16,8 +16,9 @@ if(PROJECT.active) {
 				PROJECT.nodes[| i].triggerCheck();
 				PROJECT.nodes[| i].step();
 			}
-		} catch(e)
+		} catch(e) {
 			noti_warning("Step error: " + exception_print(e));
+		}
 	#endregion
 }
 
diff --git a/scripts/controlPointBox/controlPointBox.gml b/scripts/controlPointBox/controlPointBox.gml
index d7066c4d9..492c7a211 100644
--- a/scripts/controlPointBox/controlPointBox.gml
+++ b/scripts/controlPointBox/controlPointBox.gml
@@ -112,7 +112,7 @@ function controlPointBox(_onModify) : widget() constructor {
 				tbW.draw(_x + lw, yy, _w - lw, TEXTBOX_HEIGHT, _wid, _m);
 				yy += TEXTBOX_HEIGHT + ui(8);
 				
-				rot.draw(_x + _w / 2, yy, _fy, _m);
+				rot.draw(_x + _w / 2, yy, _w, _fy, _m);
 				yy += ui(94 + 8);
 				break;
 		}
diff --git a/scripts/d3d_camera_object/d3d_camera_object.gml b/scripts/d3d_camera_object/d3d_camera_object.gml
index 2e3d49a6c..47bf90f45 100644
--- a/scripts/d3d_camera_object/d3d_camera_object.gml
+++ b/scripts/d3d_camera_object/d3d_camera_object.gml
@@ -31,7 +31,7 @@ function __3dCamera_object() : __3dObject() constructor {
 	VB = build();
 	
 	transform.position.set(-5, -5, 5);
-	transform.rotation.set(0, 30, 135);
+	transform.rotation.FromEuler(0, 30, 135);
 	transform.scale.set(1, room_width / room_height, 1);
 	
 	static submitSel = function(params = {}) { 
diff --git a/scripts/d3d_object/d3d_object.gml b/scripts/d3d_object/d3d_object.gml
index 1827ed523..8ae2768a5 100644
--- a/scripts/d3d_object/d3d_object.gml
+++ b/scripts/d3d_object/d3d_object.gml
@@ -70,7 +70,7 @@ function __3dObject() constructor {
 		}
 	} #endregion
 	
-	static buildVertex = function(_vertex, _normal, _uv) { #region
+	static buildVertex = function(_vertex) { #region
 		var _buffer = vertex_create_buffer();
 		vertex_begin(_buffer, VF);
 			for( var i = 0, n = array_length(_vertex); i < n; i++ ) {
diff --git a/scripts/node_global/node_global.gml b/scripts/node_global/node_global.gml
index fde581d95..3c0848956 100644
--- a/scripts/node_global/node_global.gml
+++ b/scripts/node_global/node_global.gml
@@ -162,7 +162,7 @@ function variable_editor(nodeVal) constructor {
 				draw_set_text(f_p0, fa_left, fa_center, COLORS._main_text_sub);
 				draw_text(_x + ui(8), _y + wd_h / 2, "Range");
 						
-				vb_range.draw(_x + lb_w, _y, _w - lb_w, wd_h, slider_range, _m);
+				vb_range.draw(_x + lb_w, _y, _w - lb_w, wd_h, slider_range, noone, _m);
 				_h += wd_h + ui(4);
 				_y += wd_h + ui(4);
 				
diff --git a/scripts/node_path_l_system/node_path_l_system.gml b/scripts/node_path_l_system/node_path_l_system.gml
index b58fe577d..10ac68c09 100644
--- a/scripts/node_path_l_system/node_path_l_system.gml
+++ b/scripts/node_path_l_system/node_path_l_system.gml
@@ -77,6 +77,14 @@ function Node_Path_L_System(_x, _y, _group = noone) : Node(_x, _y, _group) const
 		}
 		
 		return hh;
+	}, function(parent = noone) {
+		for( var i = input_fix_len; i < ds_list_size(inputs); i += data_length ) {
+			var _name = inputs[| i + 0];
+			var _rule = inputs[| i + 1];
+			
+			_name.editWidget.register(parent);
+			_rule.editWidget.register(parent);
+		}
 	}); #endregion
 	
 	input_display_list = [
@@ -89,6 +97,15 @@ function Node_Path_L_System(_x, _y, _group = noone) : Node(_x, _y, _group) const
 	current_length  = 0;
 	boundary = new BoundingBox();
 	
+	cache_data = {
+		start: "",
+		rules: {},
+		end_rule: "",
+		iteration: 0,
+		seed: 0,
+		result: ""
+	}
+	
 	static refreshDynamicInput = function() { #region
 		var _l = ds_list_create();
 		
@@ -175,97 +192,119 @@ function Node_Path_L_System(_x, _y, _group = noone) : Node(_x, _y, _group) const
 		return new __vec2( _x, _y );
 	} #endregion
 	
-	static getPointDistance = function(_dist, _ind = 0) {
+	static getPointDistance = function(_dist, _ind = 0) { #region
 		return getPointRatio(_dist / current_length, _ind); 
-	}
+	} #endregion
 	
 	static getBoundary	= function() { return boundary; }
 	
+	static l_system = function(_start, _rules, _end_rule, _iteration, _seed) { #region
+		if(isEqual(cache_data.rules, _rules, true)
+			&& cache_data.start	     == _start
+			&& cache_data.end_rule	 == _end_rule
+			&& cache_data.iteration  == _iteration
+			&& cache_data.seed	     == _seed) {
+			
+			return cache_data.result;
+		}
+		
+		cache_data.start	 = _start;
+		cache_data.rules	 = _rules;
+		cache_data.end_rule	 = _end_rule;
+		cache_data.iteration = _iteration;
+		cache_data.seed		 = _seed;
+		cache_data.result    = _start;
+		
+		_temp_s = "";
+		
+		for( var j = 1; j <= _iteration; j++ ) {
+			_temp_s = "";
+			
+			string_foreach(cache_data.result, function(_ch, _) {
+				if(!struct_has(cache_data.rules, _ch)) {
+					_temp_s += _ch;
+					return;
+				}
+				
+				var _chr = cache_data.rules[$ _ch];
+				_chr = array_safe_get(_chr, irandom(array_length(_chr) - 1));
+				
+				_temp_s += _chr;
+			})
+			
+			cache_data.result = _temp_s;
+			if(string_length(cache_data.result) > 10000) break;
+		}
+		
+		var _es  = string_splice(_end_rule, ",");
+		for( var i = 0, n = array_length(_es); i < n; i++ ) {
+			var _sp = string_splice(_es[i], "=");
+			if(array_length(_sp) == 2)
+				cache_data.result = string_replace_all(cache_data.result, _sp[0], _sp[1]);
+		}
+		
+		return cache_data.result;
+	} #endregion
+	
 	static update = function() { #region
 		var _len = inputs[| 0].getValue();
 		var _ang = inputs[| 1].getValue();
 		var _pos = inputs[| 2].getValue();
 		var _itr = inputs[| 3].getValue();
+		var _sta = inputs[| 4].getValue();
+		var _end = inputs[| 5].getValue();
 		var _san = inputs[| 6].getValue();
 		var _sad = inputs[| 7].getValue();
-		lines = [];
+		lineq = ds_queue_create();
 		
 		random_set_seed(_sad);
 		current_length = _len;
 		
 		if(ds_list_size(inputs) < input_fix_len + 2) return;
 		
-		var l  = inputs[| 4].getValue();
-		
-		var rules = ds_map_create();
+		var rules = {};
 		for( var i = input_fix_len; i < ds_list_size(inputs) - data_length; i += data_length ) {
 			var _name = inputs[| i + 0].getValue();
 			var _rule = inputs[| i + 1].getValue();
-			if(!ds_map_exists(rules, _name))
-				rules[? _name] = [ _rule ];
+			if(!struct_has(rules, _name))
+				rules[$ _name] = [ _rule ];
 			else
-				array_push(rules[? _name], _rule);
+				array_push(rules[$ _name], _rule);
 		}
 		
-		for( var j = 1; j <= _itr; j++ ) {
-			var s = "";
-			for( var i = 1; i <= string_length(l); i++ ) {
-				var ch = string_char_at(l, i);
-				if(!ds_map_exists(rules, ch)) {
-					s += ch;
-					continue;
-				}
-				
-				var _chr = rules[? ch];
-				_chr = array_safe_get(_chr, irandom(array_length(_chr) - 1));
-				
-				s += _chr;
-			}
-			
-			l = s;
-			if(string_length(l) > 10000) break;
-		}
+		l_system(_sta, rules, _end, _itr, _sad);
+		itr = _itr;
+		ang = _ang;
+		len = _len;
+		st  = ds_stack_create();
+		t   = new L_Turtle(_pos[0], _pos[1], _san);
 		
-		ds_map_destroy(rules);
-		
-		var _end = inputs[| 5].getValue();
-		var _es  = string_splice(_end, ",");
-		for( var i = 0, n = array_length(_es); i < n; i++ ) {
-			var _sp = string_splice(_es[i], "=");
-			if(array_length(_sp) == 2)
-				l = string_replace_all(l, _sp[0], _sp[1]);
-		}
-		
-		var st = ds_stack_create();
-		var t = new L_Turtle(_pos[0], _pos[1], _san);
-		
-		for( var i = 1; i <= string_length(l); i++ ) {
-			var ch = string_char_at(l, i);
-			switch(ch) {
+		string_foreach(cache_data.result, function(_ch, _) {
+			switch(_ch) {
 				case "F": 
-					var nx = t.x + lengthdir_x(_len, t.ang);
-					var ny = t.y + lengthdir_y(_len, t.ang);
+					var nx = t.x + lengthdir_x(len, t.ang);
+					var ny = t.y + lengthdir_y(len, t.ang);
 					
-					array_push(lines, [ [t.x, t.y, t.w], [nx, ny, t.w] ]);
+					ds_queue_enqueue(lineq, [ [t.x, t.y, t.w], [nx, ny, t.w] ]);
 					
 					t.x = nx;
 					t.y = ny;
 					break;
 				case "G": 
-					t.x = t.x + lengthdir_x(_len, t.ang);
-					t.y = t.y + lengthdir_y(_len, t.ang);
+					t.x = t.x + lengthdir_x(len, t.ang);
+					t.y = t.y + lengthdir_y(len, t.ang);
 					break;
 				case "f": 
-					var nx = t.x + lengthdir_x(_len * frac(_itr), t.ang);
-					var ny = t.y + lengthdir_y(_len * frac(_itr), t.ang);
+					var nx = t.x + lengthdir_x(len * frac(itr), t.ang);
+					var ny = t.y + lengthdir_y(len * frac(itr), t.ang);
 					
-					array_push(lines, [ [t.x, t.y, t.w], [nx, ny, t.w] ]);
+					ds_queue_enqueue(lineq, [ [t.x, t.y, t.w], [nx, ny, t.w] ]);
 					
 					t.x = nx;
 					t.y = ny;
 					break;
-				case "+": t.ang += _ang; break;
-				case "-": t.ang -= _ang; break;
+				case "+": t.ang += ang; break;
+				case "-": t.ang -= ang; break;
 				case "|": t.ang += 180;  break;
 				case "[": ds_stack_push(st, t.clone()); break;
 				case "]": t = ds_stack_pop(st);			break;
@@ -273,13 +312,22 @@ function Node_Path_L_System(_x, _y, _group = noone) : Node(_x, _y, _group) const
 				case ">": t.w += 0.1; break;
 				case "<": t.w -= 0.1; break;
 			}
-		}
+		});
 		
 		ds_stack_destroy(st);
 		
 		boundary = new BoundingBox();
-		for( var i = 0, n = array_length(lines); i < n; i++ )
-			boundary.addPoint(lines[i][0][0], lines[i][0][1], lines[i][1][0], lines[i][1][1]);
+		
+		lines = array_create(ds_queue_size(lineq));
+		var i = 0;
+		
+		while(!ds_queue_empty(lineq)) {
+			var _l = ds_queue_dequeue(lineq);
+			lines[i++] = _l;
+			boundary.addPoint(_l[0][0], _l[0][1], _l[1][0], _l[1][1]);
+		}
+		
+		ds_queue_destroy(lineq);
 		
 		outputs[| 0].setValue(self);
 	} #endregion
diff --git a/scripts/panel_inspector/panel_inspector.gml b/scripts/panel_inspector/panel_inspector.gml
index 775efc451..199db5084 100644
--- a/scripts/panel_inspector/panel_inspector.gml
+++ b/scripts/panel_inspector/panel_inspector.gml
@@ -1,6 +1,7 @@
-function Inspector_Custom_Renderer(drawFn) : widget() constructor {
+function Inspector_Custom_Renderer(drawFn, registerFn = noone) : widget() constructor {
 	h = 64;
 	self.draw = drawFn;
+	register  = registerFn;
 }
 
 function Panel_Inspector() : PanelContent() constructor {
@@ -463,7 +464,9 @@ function Panel_Inspector() : PanelContent() constructor {
 						if(pFOCUS) jun_disp.register(contentPane);
 						jun_disp.rx = ui(16) + x;
 						jun_disp.ry = top_bar_h + y;
-					
+						if(is_callable(jun_disp.register))
+							jun_disp.register(contentPane);
+						
 						hh += jun_disp.draw(ui(6), yy, con_w - ui(12), _m, _hover, pFOCUS) + ui(8);
 						continue;
 					}
diff --git a/scripts/real_comparison/real_comparison.gml b/scripts/real_comparison/real_comparison.gml
deleted file mode 100644
index 822860814..000000000
--- a/scripts/real_comparison/real_comparison.gml
+++ /dev/null
@@ -1,11 +0,0 @@
-function isEqual(val1, val2) {
-	if(!is_array(val1) && !is_array(val2)) return val1 == val2;
-	if(is_array(val1) ^ is_array(val2)) return false;
-	if(array_length(val1) != array_length(val2)) return false;
-	
-	for( var i = 0, n = array_length(val1); i < n; i++ ) {
-		if(val1[i] != val2[i]) return false;
-	}
-	
-	return true;
-}
\ No newline at end of file
diff --git a/scripts/var_comparison/var_comparison.gml b/scripts/var_comparison/var_comparison.gml
new file mode 100644
index 000000000..58627d0e5
--- /dev/null
+++ b/scripts/var_comparison/var_comparison.gml
@@ -0,0 +1,35 @@
+function isEqual(val1, val2, struct_expand = false) {
+	gml_pragma("forceinline");
+	
+	if(is_array(val1) && is_array(val2))	return array_member_equal(val1, val2);
+	if(struct_expand && is_struct(val1) && is_struct(val2))	return struct_equal(val1, val2);
+	
+	return val1 == val2;
+}
+
+function array_member_equal(arr1, arr2) {
+	gml_pragma("forceinline");
+	
+	if(array_length(arr1) != array_length(arr2)) return false;
+	
+	for( var i = 0, n = array_length(arr1); i < n; i++ )
+		if(!isEqual(arr1[i], arr2[i])) return false;
+	
+	return true;
+}
+
+function struct_equal(str1, str2) {
+	gml_pragma("forceinline");
+	
+	//return json_stringify(str1) == json_stringify(str2);
+	
+	var key1 = variable_struct_get_names(str1);
+	var key2 = variable_struct_get_names(str2);
+	
+	if(!array_equals(key1, key2)) return false;
+	
+	for( var i = 0, n = array_length(key1); i < n; i++ )
+		if(!isEqual(str1[$ key1[i]], str2[$ key1[i]])) return false;
+	
+	return true;
+}
\ No newline at end of file
diff --git a/scripts/real_comparison/real_comparison.yy b/scripts/var_comparison/var_comparison.yy
similarity index 56%
rename from scripts/real_comparison/real_comparison.yy
rename to scripts/var_comparison/var_comparison.yy
index 0acc75f69..870d0222d 100644
--- a/scripts/real_comparison/real_comparison.yy
+++ b/scripts/var_comparison/var_comparison.yy
@@ -1,11 +1,11 @@
 {
   "resourceType": "GMScript",
   "resourceVersion": "1.0",
-  "name": "real_comparison",
+  "name": "var_comparison",
   "isCompatibility": false,
   "isDnD": false,
   "parent": {
-    "name": "value",
-    "path": "folders/functions/value.yy",
+    "name": "variables",
+    "path": "folders/functions/variables.yy",
   },
 }
\ No newline at end of file