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history/004_seasaw/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 javax.imageio.ImageIO;
+
+import com.github.drinkjava2.frog.brain.Cell;
+import com.github.drinkjava2.frog.brain.Organ;
+import com.github.drinkjava2.frog.egg.Egg;
+import com.github.drinkjava2.frog.objects.Material;
+
+/**
+ * Frog = organs + brain cells
+ * 
+ * 青蛙由器官组成，器官中的Group类会生成各种脑细胞
+ * 
+ * @author Yong Zhu
+ * @since 1.0
+ */
+public class Frog {
+
+	/** brain cells */
+	public List<Cell> cells = new ArrayList<>();
+
+	/** organs */
+	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 = 100000; // 青蛙的能量为0则死掉
+	public boolean alive = true; // 设为false表示青蛙死掉了，将不参与计算和显示，以节省时间
+	public int ateFood = 0;
+
+	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;
+		for (Organ org : egg.organs) {
+			organs.add(org);
+			org.initFrog(this);// 每个新器官初始化，如果是Group类，它们会生成许多脑细胞
+		}
+	}
+
+	public boolean active(Env v) {
+		// 如果能量小于0则死、出界、与非食物的点重合则判死
+		if (!alive || energy < 0 || Env.outsideEnv(x, y) || Env.bricks[x][y] >= Material.KILLFROG) {
+			energy -= 100; // 死掉的青蛙也要消耗能量，确保淘汰出局
+			alive = false;
+			return false;
+		}
+		energy -= 20;
+		for (Organ o : organs) {
+			o.active(this);
+		}
+		return alive;
+	}
+
+	public void show(Graphics g) {// 显示青蛙的图象
+		if (!alive)
+			return;
+		g.drawImage(frogImg, x - 8, y - 8, 16, 16, null);
+	}
+
+}