Randomized Creature Generation

Adds a random organism generator that is accessible through the editor control panel.
This generator gives the user to generate an entire world of random organisms for selection to act upon.

src/Organism/Anatomy.js

@@ -91,6 +91,22 @@ class Anatomy {
     getRandomCell() {
         return this.cells[Math.floor(Math.random() * this.cells.length)];
     }
+
+    getNeighborsOfCell(col, row) {
+
+        var neighbors = [];
+
+        for (var x = -1; x <= 1; x++) {
+            for (var y = -1; y <= 1; y++) {
+
+                var neighbor = this.getLocalCell(col + x, row + y);
+                if (neighbor)
+                    neighbors.push(neighbor)
+            }
+        }
+
+        return neighbors;
+    }
 }
 
 module.exports = Anatomy;

src/Organism/Cell/CellStates.js

@@ -95,6 +95,7 @@ const CellStates = {
         return this.living[Math.floor(Math.random() * this.living.length)];
     }
 }
+
 CellStates.defineLists();
 
 module.exports = CellStates;

src/Organism/Perception/Brain.js

@@ -79,4 +79,6 @@ class Brain {
     }
 }
 
+Brain.Decision = Decision;
+
 module.exports = Brain;

src/Organism/RandomOrganismGenerator.js

@@ -0,0 +1,77 @@
+const CellStates = require("./Cell/CellStates");
+const Organism = require("./Organism");
+const Brain = require("./Perception/Brain")
+
+class RandomOrganismGenerator {
+
+	static generate(env) {
+
+		var center = env.grid_map.getCenter();
+		var organism = new Organism(center[0], center[1], env, null);
+		organism.anatomy.addDefaultCell(CellStates.mouth, 0, 0);
+
+		var outermostLayer = RandomOrganismGenerator.organismLayers;
+		var x, y;
+
+		// iterate from center to edge of organism
+		// layer 0 is the central cell of the organism
+		for (var layer = 1; layer <= outermostLayer; layer++) {
+
+			var someCellSpawned = false;
+			var spawnChance = RandomOrganismGenerator.cellSpawnChance * 1 - ((layer - 1) / outermostLayer);
+
+			// top
+			y = -layer;
+			for (x = -layer; x <= layer; x++)
+				someCellSpawned = RandomOrganismGenerator.trySpawnCell(organism, x, y, spawnChance);
+
+			// bottom
+			y = layer;
+			for (x = -layer; x <= layer; x++) 
+				someCellSpawned = RandomOrganismGenerator.trySpawnCell(organism, x, y, spawnChance);
+
+			// left
+			x = -layer;
+			for (y = -layer + 1; y <= layer - 1; y++) 
+				someCellSpawned = RandomOrganismGenerator.trySpawnCell(organism, x, y, spawnChance);
+
+			// right
+			x = layer;
+			for (y = -layer + 1; y < layer - 1; y++)
+				someCellSpawned = RandomOrganismGenerator.trySpawnCell(organism, x, y, spawnChance);
+
+			if (!someCellSpawned)
+				break;
+		}
+
+		// randomize the organism's brain
+		var decisions = organism.brain.decisions;
+        decisions[CellStates.empty.name] 	= Brain.Decision.getRandom();
+        decisions[CellStates.food.name] 	= Brain.Decision.getRandom();
+        decisions[CellStates.wall.name] 	= Brain.Decision.getRandom();
+        decisions[CellStates.mouth.name] 	= Brain.Decision.getRandom();
+        decisions[CellStates.producer.name] = Brain.Decision.getRandom();
+        decisions[CellStates.mover.name] 	= Brain.Decision.getRandom();
+        decisions[CellStates.killer.name] 	= Brain.Decision.getRandom();
+        decisions[CellStates.armor.name] 	= Brain.Decision.getRandom();
+        decisions[CellStates.eye.name] 		= Brain.Decision.getRandom();
+
+		return organism;
+	}
+
+	static trySpawnCell(organism, x, y, spawnChance) {
+
+		var neighbors = organism.anatomy.getNeighborsOfCell(x, y);
+		if (neighbors.length && Math.random() < spawnChance) {
+			organism.anatomy.addRandomizedCell(CellStates.getRandomLivingType(), x, y);
+			return true;
+		}
+		return false;
+	}
+
+}
+
+RandomOrganismGenerator.organismLayers = 2;
+RandomOrganismGenerator.cellSpawnChance = 0.75;
+
+module.exports = RandomOrganismGenerator;