unnatural organisms/more community creations

Changelog.md

@@ -1,14 +1,16 @@
 # Changelog
 
-## 1.0.5 (tbd)
+## 1.0.5 (4/23/2023)
 
 ### UI Enhancements:
 - Improved "Community Creations" list panel
 - Added Mod list to Community Creations
+- Added brush size slider
+- Added unnatural organism warning
 
 ### Simulation Enhancements:
 - Added links to community mods
-
+- Added more worlds and organisms to community creations
 
 ## 1.0.4 (9/17/2022)
 

dist/assets/mods/_list.json

@@ -1,14 +1,17 @@
 [
     {
         "name": "Life Engine Extended",
-        "value": "https://lifeengineextended.github.io/"
+        "value": "https://lifeengineextended.github.io/",
+        "subname" : "SpaceEye"
     },
     {
         "name": "Camo/Healer Cells",
-        "value": "https://lifeenginelocal.netlify.app/"
+        "value": "https://lifeenginelocal.netlify.app/",
+        "subname" : "Xiko"
     },
     {
         "name": "Neural Networks",
-        "value": "https://bboettcher3.github.io/LifeEngine/"
+        "value": "https://bboettcher3.github.io/LifeEngine/",
+        "subname" : "bradyb"
     }
 ]

dist/assets/organisms/NED.json

@@ -0,0 +1 @@
+{"c":7,"r":7,"lifetime":0,"food_collected":0,"living":true,"direction":2,"rotation":0,"can_rotate":true,"move_count":0,"move_range":2,"ignore_brain_for":0,"mutability":13,"damage":0,"anatomy":{"birth_distance":12,"is_producer":false,"is_mover":true,"has_eyes":true,"cells":[{"loc_col":5,"loc_row":5,"state":{"name":"mouth"}},{"loc_col":5,"loc_row":5,"direction":0,"state":{"name":"eye"}},{"loc_col":5,"loc_row":5,"direction":1,"state":{"name":"eye"}},{"loc_col":5,"loc_row":5,"direction":2,"state":{"name":"eye"}},{"loc_col":5,"loc_row":5,"direction":3,"state":{"name":"eye"}},{"loc_col":5,"loc_row":5,"state":{"name":"mover"}},{"loc_col":5,"loc_row":5,"state":{"name":"armor"}},{"loc_col":5,"loc_row":5,"state":{"name":"killer"}}]},"brain":{"decisions":{"empty":0,"food":2,"wall":0,"mouth":2,"producer":2,"mover":2,"killer":0,"armor":0,"eye":2}},"species_name":"7ofozvw8tx"}

dist/assets/organisms/_list.json

@@ -30,5 +30,17 @@
     {
         "name": "Napoleon",
         "value": "Napoleon"
+    },
+    {
+        "name": "NED",
+        "value": "NED"
+    },
+    {
+        "name": "Spinner",
+        "value": "spinner"
+    },
+    {
+        "name": "Sword",
+        "value": "sword"
     }
 ]

dist/assets/organisms/spinner.json

@@ -0,0 +1 @@
+{"c":7,"r":7,"lifetime":0,"food_collected":0,"living":true,"direction":2,"rotation":0,"can_rotate":true,"move_count":0,"move_range":20,"ignore_brain_for":0,"mutability":0,"damage":0,"species_name":"1fpa7zg0ng","anatomy":{"birth_distance":8,"is_producer":false,"is_mover":true,"has_eyes":true,"cells":[{"loc_col":0,"loc_row":-1,"direction":0,"state":{"name":"eye"}},{"loc_col":-1,"loc_row":0,"direction":3,"state":{"name":"eye"}},{"loc_col":1,"loc_row":0,"direction":1,"state":{"name":"eye"}},{"loc_col":0,"loc_row":1,"direction":2,"state":{"name":"eye"}},{"loc_col":-1,"loc_row":-3,"state":{"name":"mouth"}},{"loc_col":1,"loc_row":-3,"state":{"name":"killer"}},{"loc_col":3,"loc_row":-3,"state":{"name":"mouth"}},{"loc_col":3,"loc_row":-1,"state":{"name":"killer"}},{"loc_col":3,"loc_row":1,"state":{"name":"mouth"}},{"loc_col":3,"loc_row":3,"state":{"name":"killer"}},{"loc_col":1,"loc_row":3,"state":{"name":"mouth"}},{"loc_col":-1,"loc_row":3,"state":{"name":"killer"}},{"loc_col":-3,"loc_row":3,"state":{"name":"mouth"}},{"loc_col":-3,"loc_row":-1,"state":{"name":"mouth"}},{"loc_col":-3,"loc_row":-3,"state":{"name":"killer"}},{"loc_col":-3,"loc_row":1,"state":{"name":"killer"}},{"loc_col":1,"loc_row":-2,"state":{"name":"mouth"}},{"loc_col":-1,"loc_row":2,"state":{"name":"mouth"}},{"loc_col":-2,"loc_row":1,"state":{"name":"mouth"}},{"loc_col":2,"loc_row":-1,"state":{"name":"mouth"}},{"loc_col":0,"loc_row":0,"state":{"name":"mover"}}]},"brain":{"decisions":{"empty":0,"food":2,"wall":0,"mouth":0,"producer":2,"mover":0,"killer":1,"armor":0,"eye":1}}}

dist/assets/organisms/sword.json

@@ -0,0 +1 @@
+{"c":7,"r":7,"lifetime":0,"food_collected":0,"living":true,"direction":2,"rotation":0,"can_rotate":true,"move_count":0,"move_range":4,"ignore_brain_for":0,"mutability":0,"damage":0,"anatomy":{"birth_distance":16,"is_producer":true,"is_mover":true,"has_eyes":true,"cells":[{"loc_col":-1,"loc_row":-1,"state":{"name":"mouth"}},{"loc_col":0,"loc_row":-2,"state":{"name":"mouth"}},{"loc_col":1,"loc_row":-3,"state":{"name":"mouth"}},{"loc_col":2,"loc_row":-4,"state":{"name":"mouth"}},{"loc_col":3,"loc_row":-5,"state":{"name":"mouth"}},{"loc_col":4,"loc_row":-6,"state":{"name":"mouth"}},{"loc_col":1,"loc_row":1,"state":{"name":"mouth"}},{"loc_col":2,"loc_row":0,"state":{"name":"mouth"}},{"loc_col":3,"loc_row":-1,"state":{"name":"mouth"}},{"loc_col":4,"loc_row":-2,"state":{"name":"mouth"}},{"loc_col":5,"loc_row":-3,"state":{"name":"mouth"}},{"loc_col":6,"loc_row":-4,"state":{"name":"mouth"}},{"loc_col":5,"loc_row":-5,"state":{"name":"producer"}},{"loc_col":4,"loc_row":-4,"state":{"name":"producer"}},{"loc_col":3,"loc_row":-3,"state":{"name":"producer"}},{"loc_col":2,"loc_row":-2,"state":{"name":"producer"}},{"loc_col":1,"loc_row":-1,"state":{"name":"producer"}},{"loc_col":0,"loc_row":0,"state":{"name":"producer"}},{"loc_col":-1,"loc_row":1,"state":{"name":"producer"}},{"loc_col":6,"loc_row":-6,"state":{"name":"producer"}},{"loc_col":-5,"loc_row":4,"state":{"name":"armor"}},{"loc_col":-5,"loc_row":5,"state":{"name":"armor"}},{"loc_col":-4,"loc_row":5,"state":{"name":"armor"}},{"loc_col":-3,"loc_row":4,"state":{"name":"armor"}},{"loc_col":-4,"loc_row":3,"state":{"name":"armor"}},{"loc_col":-4,"loc_row":1,"state":{"name":"armor"}},{"loc_col":-5,"loc_row":0,"state":{"name":"armor"}},{"loc_col":-5,"loc_row":-1,"state":{"name":"armor"}},{"loc_col":-5,"loc_row":-2,"state":{"name":"armor"}},{"loc_col":-4,"loc_row":-2,"state":{"name":"armor"}},{"loc_col":-3,"loc_row":-1,"state":{"name":"armor"}},{"loc_col":-1,"loc_row":4,"state":{"name":"armor"}},{"loc_col":0,"loc_row":5,"state":{"name":"armor"}},{"loc_col":1,"loc_row":5,"state":{"name":"armor"}},{"loc_col":2,"loc_row":5,"state":{"name":"armor"}},{"loc_col":2,"loc_row":4,"state":{"name":"armor"}},{"loc_col":1,"loc_row":3,"state":{"name":"armor"}},{"loc_col":-2,"loc_row":3,"state":{"name":"armor"}},{"loc_col":-3,"loc_row":2,"state":{"name":"armor"}},{"loc_col":-2,"loc_row":2,"state":{"name":"mover"}},{"loc_col":-1,"loc_row":2,"direction":0,"state":{"name":"eye"}},{"loc_col":-2,"loc_row":1,"direction":1,"state":{"name":"eye"}},{"loc_col":-3,"loc_row":1,"direction":2,"state":{"name":"eye"}},{"loc_col":-3,"loc_row":0,"direction":0,"state":{"name":"eye"}},{"loc_col":-4,"loc_row":0,"direction":3,"state":{"name":"eye"}},{"loc_col":-4,"loc_row":-1,"direction":1,"state":{"name":"eye"}},{"loc_col":-1,"loc_row":3,"direction":3,"state":{"name":"eye"}},{"loc_col":0,"loc_row":3,"direction":1,"state":{"name":"eye"}},{"loc_col":0,"loc_row":4,"direction":2,"state":{"name":"eye"}},{"loc_col":1,"loc_row":4,"direction":0,"state":{"name":"eye"}},{"loc_col":-3,"loc_row":3,"direction":1,"state":{"name":"eye"}},{"loc_col":-4,"loc_row":4,"direction":3,"state":{"name":"eye"}},{"loc_col":0,"loc_row":2,"state":{"name":"armor"}},{"loc_col":-2,"loc_row":0,"state":{"name":"armor"}},{"loc_col":7,"loc_row":-7,"state":{"name":"killer"}},{"loc_col":7,"loc_row":-5,"state":{"name":"mouth"}},{"loc_col":5,"loc_row":-7,"state":{"name":"mouth"}},{"loc_col":7,"loc_row":-6,"state":{"name":"mouth"}},{"loc_col":6,"loc_row":-7,"state":{"name":"mouth"}}]},"brain":{"decisions":{"empty":0,"food":2,"wall":0,"mouth":0,"producer":0,"mover":0,"killer":1,"armor":2,"eye":0}},"species_name":"v5i5g7zqq8"}

dist/assets/worlds/_list.json

@@ -34,5 +34,33 @@
     {
         "name": "Life Engine of Nurgle",
         "value": "Life_Engine_of_Nurgle"
+    },
+    {
+        "name": "Zoo",
+        "value": "zoo"
+    },
+    {
+        "name": "Chains",
+        "value": "Chains"
+    },
+    {
+        "name": "Symbiotic Colony",
+        "value": "SymbioticColony"
+    },
+    {
+        "name": "Sand Grid",
+        "value": "Sand_Grid"
+    },
+    {
+        "name": "Epic",
+        "value": "Epic"
+    },
+    {
+        "name": "Ostracod Slide",
+        "value": "Ostracod_Slide"
+    },
+    {
+        "name": "Altruistic Arthurs",
+        "value": "ArthursWorld"
     }
 ]

dist/css/style.css

@@ -178,6 +178,7 @@ input:hover,input:active {
     display: none;
     padding: 10px;
     overflow-y: auto;
+    height: 100%;
 }
 
 .tab#about {
@@ -196,7 +197,6 @@ input:hover,input:active {
     display: none;
 }
 
-
 #editor-panel{
     display: flex;
 }
@@ -211,6 +211,10 @@ input:hover,input:active {
 #clear-walls {
     margin-top: 5px;
 }
+#brush-size-container {
+    display: flex;
+    align-items: center;
+}
 #organism-options {
     display: none;
 }
@@ -223,7 +227,21 @@ input:hover,input:active {
     image-rendering: pixelated;
     image-rendering: crisp-edges;
     height: 195px;
-    width: 195px; 
+    width: 195px;
+    display: block;
+}
+#unnatural-org-warning {
+    color: red;
+    text-align: center;
+    font-size: 22px;
+    border-radius: 10px;
+    margin: 2px;
+    border: 2px solid red;
+}
+#unnatural-org-warning:hover {
+    color: darkred;
+    border: 2px solid darkred;
+
 }
 #cell-selections {
     display: none;

dist/index.html

@@ -32,6 +32,10 @@
 				<p id='fps-actual'></p>
 				<button id='reset-env' title='Restarts simulation with default organism.'>Reset</button>
 				<button id='clear-env' title="Removes all organisms.">Clear</button>
+				<div id="brush-size-container">
+					<label id="brush-slider-label" for="brush-slider" title='Size of the brush for food, walls, and killing'><i class="fa fa-brush"></i> Brush Size </label>
+					<input id="brush-slider" type="range" min="0" max="15" value="2">
+				</div>
 			</div>
 
 			<div id='tab-container' class='control-set'>
@@ -80,6 +84,7 @@
 							<button class="edit-mode-btn drop-org" id="drop-org" title="Drop organism in world. Hotkey: C"><i class="fa fa-plus"></i></button>
 							<button id="save-org" title="Save Organism"><i class="fa fa-save"></i></button>
 							<button id="load-org" title="Load Organism"><i class="fa fa-upload"></i></button>
+							<b id="unnatural-org-warning" title="Unnatural Organism: It has overlapping cells or genetic changes that cannot evolve naturally"><i class="fa fa-biohazard"></i></i></b>
 						</div>
 						<div id='editor-env'>
 							<canvas id='editor-canvas'></canvas>
@@ -211,7 +216,7 @@
 						<label for="rot-enabled" title='Organisms rotate when born and while moving.'>Rotation Enabled</label>
 						<input type="checkbox" id="rot-enabled" checked>
 						<br>
-						<label for="insta-kill" title='When on, killer cells immediatly kill organisms they touch. When off, organisms have as much health as they have cells and only take 1 damage from killer cells.'>One touch kill</label>
+						<label for="insta-kill" title='When on, killer cells immediately kill organisms they touch. When off, organisms have as much health as they have cells and only take 1 damage from killer cells.'>One touch kill</label>
 						<input type="checkbox" id="insta-kill">
 						<br>
 						<label for="look-range" title='How far an eye cell can see (in number of cells)'>Look range:</label>
@@ -284,19 +289,19 @@
 			</div><br>
 			<div class="all-list-container">
 				<div class="list-title-container">
-					<h2>Worlds</h2>
+					<h2>🌍Worlds</h2>
 					<div id="worlds-list-container" class="list-container">
 						<ul id="worlds-list"></ul>
 					</div>
 				</div>
 				<div class="list-title-container">
-					<h2>Organisms</h2>
+					<h2>🦠Organisms</h2>
 					<div id="organisms-list-container" class="list-container">
 						<ul id="organisms-list"></ul>
 					</div>
 				</div>
 				<div class="list-title-container">
-					<h2>Mods</h2>
+					<h2>🔧Mods</h2>
 					<div id="mods-list-container" class="list-container">
 						<ul id="mods-list"></ul>
 					</div>

src/Controllers/ControlPanel.js

@@ -427,6 +427,9 @@ class ControlPanel {
             env.reset(true, false);
             this.stats_panel.reset();
         });
+        $('#brush-slider').on('input change', function () {
+            WorldConfig.brush_size = this.value;
+        });
         $('#random-walls').click( function() {
             this.env_controller.randomizeWalls();
         }.bind(this));
@@ -434,7 +437,7 @@ class ControlPanel {
             this.engine.env.clearWalls();
         }.bind(this));
         $('#clear-editor').click( function() {
-            this.engine.organism_editor.clear();
+            this.engine.organism_editor.setDefaultOrg();
             this.editor_controller.setEditorPanel();
         }.bind(this));
         $('#generate-random').click( function() {

src/Controllers/EditorController.js

@@ -54,6 +54,12 @@ class EditorController extends CanvasController{
 
     updateDetails() {
         $('.cell-count').text("Cell count: "+this.env.organism.anatomy.cells.length);
+        if (this.env.organism.isNatural()){
+            $('#unnatural-org-warning').css('display', 'none');
+        }
+        else {
+            $('#unnatural-org-warning').css('display', 'block');
+        }
     }
 
     defineCellTypeSelection() {
@@ -150,13 +156,14 @@ class EditorController extends CanvasController{
             this.setEditorPanel();
         else
             this.setDetailsPanel();
+
     }
 
     setDetailsPanel() {
         this.clearDetailsPanel();
         var org = this.env.organism;
         
-        $('.cell-count').text("Cell count: "+org.anatomy.cells.length);
+        this.updateDetails();
         $('#move-range').text("Move Range: "+org.move_range);
         $('#mutation-rate').text("Mutation Rate: "+org.mutability);
        

src/Controllers/EnvironmentController.js

@@ -110,19 +110,18 @@ class EnvironmentController extends CanvasController{
             switch(mode) {
                 case Modes.FoodDrop:
                     if (left_click){
-                        this.dropCellType(cell.col, cell.row, CellStates.food, false);
+                        this.dropCellType(cell.col, cell.row, CellStates.food, false, CellStates.wall);
                     }
                     else if (right_click){
-                        this.dropCellType(cell.col, cell.row, CellStates.empty, false);
+                        this.dropCellType(cell.col, cell.row, CellStates.empty, false, CellStates.wall);
                     }
                     break;
                 case Modes.WallDrop:
                         if (left_click){
                             this.dropCellType(cell.col, cell.row, CellStates.wall, true);
-
                         }
                         else if (right_click){
-                            this.dropCellType(cell.col, cell.row, CellStates.empty, false);
+                            this.dropCellType(cell.col, cell.row, CellStates.empty, false, CellStates.food);
                         }
                         break;
                 case Modes.ClickKill:
@@ -144,26 +143,25 @@ class EnvironmentController extends CanvasController{
                     }
                     break;
                 case Modes.Drag:
-                    var cur_top = parseInt($('#env-canvas').css('top'), 10);
+                    this.dragScreen();
-                    var cur_left = parseInt($('#env-canvas').css('left'), 10);
-                    var new_top = cur_top + ((this.mouse_y - this.start_y)*this.scale);
-                    var new_left = cur_left + ((this.mouse_x - this.start_x)*this.scale);
-                    $('#env-canvas').css('top', new_top+'px');
-                    $('#env-canvas').css('left', new_left+'px');
                     break;
             }
         }
         else if (this.middle_click) {
             //drag on middle click
-            var cur_top = parseInt($('#env-canvas').css('top'), 10);
+            this.dragScreen();
-            var cur_left = parseInt($('#env-canvas').css('left'), 10);
-            var new_top = cur_top + ((this.mouse_y - this.start_y)*this.scale);
-            var new_left = cur_left + ((this.mouse_x - this.start_x)*this.scale);
-            $('#env-canvas').css('top', new_top+'px');
-            $('#env-canvas').css('left', new_left+'px');
         }
     }
 
+    dragScreen() {
+        var cur_top = parseInt($('#env-canvas').css('top'), 10);
+        var cur_left = parseInt($('#env-canvas').css('left'), 10);
+        var new_top = cur_top + ((this.mouse_y - this.start_y)*this.scale);
+        var new_left = cur_left + ((this.mouse_x - this.start_x)*this.scale);
+        $('#env-canvas').css('top', new_top+'px');
+        $('#env-canvas').css('left', new_left+'px');
+    }
+
     dropOrganism(organism, col, row) {
 
         // close the organism and drop it in the world
@@ -187,8 +185,8 @@ class EnvironmentController extends CanvasController{
         return false;
     }
 
-    dropCellType(col, row, state, killBlocking=false) {
+    dropCellType(col, row, state, killBlocking=false, ignoreState=null) {
-        for (var loc of Neighbors.allSelf){
+        for (var loc of Neighbors.inRange(WorldConfig.brush_size)){
             var c=col + loc[0];
             var r=row + loc[1];
             var cell = this.env.grid_map.cellAt(c, r);
@@ -200,23 +198,32 @@ class EnvironmentController extends CanvasController{
             else if (cell.owner != null) {
                 continue;
             }
+            if (ignoreState != null && cell.state == ignoreState)
+                continue;
             this.env.changeCell(c, r, state, null);
         }
     }
 
     findNearOrganism() {
-        for (var loc of Neighbors.all){
+        let closest = null;
-            var c = this.cur_cell.col + loc[0];
+        let closest_dist = 100;
-            var r = this.cur_cell.row + loc[1];
+        for (let loc of Neighbors.inRange(WorldConfig.brush_size)){
-            var cell = this.env.grid_map.cellAt(c, r);
+            let c = this.cur_cell.col + loc[0];
-            if (cell != null && cell.owner != null)
+            let r = this.cur_cell.row + loc[1];
-                return cell.owner;
+            let cell = this.env.grid_map.cellAt(c, r);
+            let dist = Math.abs(loc[0]) + Math.abs(loc[1]);
+            if (cell != null && cell.owner != null) { 
+                if (closest === null || dist < closest_dist) {
+                    closest = cell.owner;
+                    closest_dist = dist;
+                }
+            }
         }
-        return null;
+        return closest;
     }
 
     killNearOrganisms() {
-        for (var loc of Neighbors.allSelf){
+        for (var loc of Neighbors.inRange(WorldConfig.brush_size)){
             var c = this.cur_cell.col + loc[0];
             var r = this.cur_cell.row + loc[1];
             var cell = this.env.grid_map.cellAt(c, r);

src/Controllers/LoadController.js

@@ -11,7 +11,6 @@ const LoadController = {
         });
         let panel = this;
         $(".load-panel").on('click', '.list-item', async function() {
-            console.log('howdy')
             let list_name = $(this).closest(".list-container").attr('id');
 			let value = $(this).find('.hidden-value').text();
             if (list_name === 'worlds-list-container') {
@@ -61,12 +60,13 @@ const LoadController = {
         let id = `#${name}-list`
         $(id).empty();
         for (let item of list) {
-            $(id).append(
+            let html = `<li class="list-item">
-                `<li class="list-item">
+                        ${item.name}`;
-                ${item.name}
+            if (item.subname) 
-                <div class="hidden-value" hidden>${item.value}</div>
+                html += `<br>(${item.subname})`;
-                </li>`
+            html +=`<div class="hidden-value" hidden>${item.value}</div>
-            );
+                    </li>`;
+            $(id).append(html);
         }
     },
 

src/Environments/OrganismEditor.js

@@ -15,7 +15,7 @@ class OrganismEditor extends Environment{
         this.renderer = new Renderer('editor-canvas', 'editor-env', cell_size);
         this.controller = new EditorController(this, this.renderer.canvas);
         this.grid_map = new GridMap(15, 15, cell_size);
-        this.clear();
+        this.setDefaultOrg();
     }
 
     update() {
@@ -81,6 +81,10 @@ class OrganismEditor extends Environment{
 
     clear() {
         this.grid_map.fillGrid(CellStates.empty);
+    }
+
+    setDefaultOrg() {
+        this.clear();
         var center = this.grid_map.getCenter();
         this.organism = new Organism(center[0], center[1], this, null);
         this.organism.anatomy.addDefaultCell(CellStates.mouth, 0, 0);

src/Grid/Neighbors.js

@@ -20,7 +20,16 @@ const Neighbors = {
     all: [[0, 1],[0, -1],[1, 0],[-1, 0],[-1, -1],[1, 1],[-1, 1],[1, -1]],
     adjacent: [[0, 1],[0, -1],[1, 0],[-1, 0]],
     corners: [[-1, -1],[1, 1],[-1, 1],[1, -1]],
-    allSelf: [[0, 0],[0, 1],[0, -1],[1, 0],[-1, 0],[-1, -1],[1, 1],[-1, 1],[1, -1]]
+    allSelf: [[0, 0],[0, 1],[0, -1],[1, 0],[-1, 0],[-1, -1],[1, 1],[-1, 1],[1, -1]],
+    inRange: function (range) {
+        var neighbors = [];
+        for (var i = -range; i <= range; i++) {
+            for (var j = -range; j <= range; j++) {
+                neighbors.push([i, j]);
+            }
+        }
+        return neighbors;
+    }
 }
 
 module.exports = Neighbors;

src/Organism/Organism.js

@@ -307,7 +307,6 @@ class Organism {
                 }
             }
         }
-
         return this.living;
     }
 
@@ -317,6 +316,26 @@ class Organism {
         return this.env.grid_map.cellAt(real_c, real_r);
     }
 
+    isNatural() {
+        let found_center = false;
+        if (this.anatomy.cells.length === 0) {
+            return false;
+        }
+        for (let i=0; i<this.anatomy.cells.length; i++) {
+            let cell = this.anatomy.cells[i];
+            for (let j=i+1; j<this.anatomy.cells.length; j++) {
+                let toCompare = this.anatomy.cells[j];
+                if (cell.loc_col === toCompare.loc_col && cell.loc_row === toCompare.loc_row) {
+                    return false;
+                }
+            }
+            if (cell.loc_col === 0 && cell.loc_row === 0) {
+                found_center = true;
+            }
+        }
+        return found_center;
+    }
+
     serialize() {
         let org = SerializeHelper.copyNonObjects(this);
         org.anatomy = this.anatomy.serialize();

src/WorldConfig.js

@@ -3,6 +3,7 @@ const WorldConfig = {
     clear_walls_on_reset: false,
     auto_reset: true,
     auto_pause: false,
+    brush_size: 2,
 }
 
 module.exports = WorldConfig;