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history/004_seasaw/src/main/java/com/github/drinkjava2/frog/brain/organ/Eat.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.brain.organ;
+
+import com.github.drinkjava2.frog.Env;
+import com.github.drinkjava2.frog.Frog;
+import com.github.drinkjava2.frog.brain.Organ;
+
+/**
+ * Eat food at current x, y position
+ */
+public class Eat extends Organ {// Eat这个类将食物转化为能量，能量小于0，则青蛙死掉
+	private static final long serialVersionUID = 1L;
+
+	@Override
+	public void active(Frog f) {
+		if (Env.foundAndAteFood(f.x, f.y)) {
+			f.ateFood++;
+			// 所有的硬编码都是bug，包括这个1000
+			f.energy += 1000;// 如果青蛙的坐标与食物重合，吃掉food，能量境加
+
+			// 能量境加青蛙感觉不到，但是Happy区激活青蛙能感觉到，因为Happy区是一个脑器官
+
+			Organ o = f.organs.get(0);
+			((Happy) o).happy += 2; // 找到食物有奖！
+		}
+	}
+
+}