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history/002_first_eye/src/main/java/com/github/drinkjava2/frog/Frog.java

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+/*
+ * Copyright 2018 the original author or authors. 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by
+ * applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
+ * OF ANY KIND, either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
+ */
+package com.github.drinkjava2.frog;
+
+import java.awt.Graphics;
+import java.awt.Image;
+import java.io.FileInputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import javax.imageio.ImageIO;
+
+import com.github.drinkjava2.frog.brain.Cell;
+import com.github.drinkjava2.frog.brain.Input;
+import com.github.drinkjava2.frog.brain.Organ;
+import com.github.drinkjava2.frog.brain.Output;
+import com.github.drinkjava2.frog.egg.CellGroup;
+import com.github.drinkjava2.frog.egg.Egg;
+import com.github.drinkjava2.frog.egg.OrganDesc;
+import com.github.drinkjava2.frog.egg.Zone;
+import com.github.drinkjava2.frog.env.Application;
+import com.github.drinkjava2.frog.env.Env;
+
+/**
+ * Frog = brain + organ, but now let's only focus on brain, organs are hard
+ * coded in egg
+ * 
+ * 青蛙由脑细胞和器官组成，目前脑细胞可以变异、进化、遗传，以由电脑自动生成神经网络，但是器官在蛋里硬编码，不许进化，将来可以考虑器官的进化
+ * 
+ * @author Yong Zhu
+ * @since 1.0
+ */
+public class Frog {
+
+	public CellGroup[] cellGroups;
+
+	/** brain cells */
+	public List<Cell> cells = new ArrayList<>();
+
+	/** 视觉细胞的输入区在脑中的坐标，随便取一个区就可以了，以后再考虑进化成两个眼睛 */
+	public Zone eye = new Zone(100, 400, 100);
+
+	/** 饥饿的感收区在脑中的坐标，先随便取就可以了，以后再考虑放到蛋里去进化 */
+	public Zone hungry = new Zone(300, 100, 100);
+
+	/** 运动细胞的输入区在脑中的坐标，先随便取就可以了，以后再考虑放到蛋里去进化 */
+	public Zone moveDown = new Zone(700, 100, 40); // 屏幕y坐标是向下的
+	public Zone moveUp = new Zone(700, 400, 40);
+	public Zone moveLeft = new Zone(650, 250, 40);
+	public Zone moveRight = new Zone(750, 250, 40);
+
+	public List<Organ> organs = new ArrayList<>();
+
+	public int x; // frog在env中的x坐标
+	public int y; // frog在env中的y坐标
+	public long energy = 10000; // 能量为0则死掉
+	public boolean alive = true; // 设为false表示青蛙死掉了，将不参与任何计算和显示，以节省时间
+
+	static final Random r = new Random();
+	static Image frogImg;
+	static {
+		try {
+			frogImg = ImageIO.read(new FileInputStream(Application.CLASSPATH + "frog.png"));
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+
+	public Frog(int x, int y, Egg egg) {
+		this.x = x;
+		this.y = y;
+
+		// Brain cells
+		if (egg.cellGroups != null) {
+			cellGroups = new CellGroup[egg.cellGroups.length];
+			for (int k = 0; k < egg.cellGroups.length; k++) {
+				CellGroup g = egg.cellGroups[k];
+				cellGroups[k] = new CellGroup(g);
+				for (int i = 0; i < g.cellQty; i++) {// 开始根据蛋来创建脑细胞
+					Cell c = new Cell();
+					c.group = k;
+					int cellQTY = Math.round(g.inputQtyPerCell);
+					c.inputs = new Input[cellQTY];
+					for (int j = 0; j < cellQTY; j++) {
+						c.inputs[j] = new Input();
+						c.inputs[j].cell = c;
+						Zone.copyXY(randomPosInZone(g.groupInputZone), c.inputs[j]);
+						c.inputs[j].radius = g.cellInputRadius;
+					}
+					cellQTY = Math.round(g.outputQtyPerCell);
+					c.outputs = new Output[cellQTY];
+					for (int j = 0; j < cellQTY; j++) {
+						c.outputs[j] = new Output();
+						c.outputs[j].cell = c;
+						Zone.copyXY(randomPosInZone(g.groupOutputZone), c.outputs[j]);
+						c.outputs[j].radius = g.cellOutputRadius;
+					}
+					cells.add(c);
+				}
+			}
+		}
+
+		// Create organs from egg, like eye, moves, eat...
+		if (egg.organDescs != null)
+			for (OrganDesc od : egg.organDescs)
+				organs.add(new Organ(od));
+
+	}
+
+	public boolean active(Env v) {
+		energy -= 20;
+		if (!alive)
+			return false; 
+		if (energy < 0) {
+			alive = false;
+			return false;
+		}
+
+		for (Organ o : organs)
+			o.active(this);
+		return alive;
+	}
+
+	private static Zone randomPosInZone(Zone z) {
+		return new Zone(z.x - z.radius + z.radius * 2 * r.nextFloat(), z.y - z.radius + z.radius * 2 * r.nextFloat(),
+				0);
+	}
+
+	public void show(Graphics g) {
+		if (!alive)
+			return;
+		g.drawImage(frogImg, x - 8, y - 8, 16, 16, null);
+	}
+
+}