From 9d24da6a35381f57ce8d8eacd1b13649cb7ef8fe Mon Sep 17 00:00:00 2001
From: 13766800364 <13766800364@qq.com>
Date: Thu, 9 Oct 2025 16:10:08 +0800
Subject: [PATCH] Add File

---
 .../com/gitee/drinkjava2/frog/brain/Zone.java | 139 ++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 history/006_snake/src/main/java/com/gitee/drinkjava2/frog/brain/Zone.java

diff --git a/history/006_snake/src/main/java/com/gitee/drinkjava2/frog/brain/Zone.java b/history/006_snake/src/main/java/com/gitee/drinkjava2/frog/brain/Zone.java
new file mode 100644
index 0000000..ede162a
--- /dev/null
+++ b/history/006_snake/src/main/java/com/gitee/drinkjava2/frog/brain/Zone.java
@@ -0,0 +1,139 @@
+/*
+ * 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.gitee.drinkjava2.frog.brain;
+
+import java.io.Serializable;
+
+import com.gitee.drinkjava2.frog.Env;
+
+/**
+ * Zone represents a cuboid zone in brain, but x,y,z is in the center
+ * 
+ * Zone为一个上表面为正方形的立方体，x,y,z位于立方体的中心，r为上表面正方形边长的一半，h为立方体厚度
+ * 
+ * @author Yong Zhu
+ * @since 1.0
+ */
+@SuppressWarnings("all")
+public class Zone implements Serializable { // zone 代表脑空间中的一块立方区域， 以x,y,z为中心， 以r为边长的一半
+	private static final long serialVersionUID = 1L;
+
+	public float x;
+	public float y;
+	public float z;
+	public float r;// r为这个立方矩形上边长的一半
+	public float h;// h为这个立方矩形厚度
+
+	public Zone() {
+		// 空构造器不能省
+	}
+
+	public Zone(float x, float y, float z, float r) {// 用x,y,z, r来构造
+		this.x = x;
+		this.y = y;
+		this.z = z;
+		this.r = r;
+		this.h = r + r;
+		if (this.x < 0)
+			this.x = 0;
+		if (this.y < 0)
+			this.y = 0;
+		if (this.z < 0)
+			this.z = 0;
+		if (this.x > Env.FROG_BRAIN_XSIZE)
+			this.x = Env.FROG_BRAIN_XSIZE;
+		if (this.y > Env.FROG_BRAIN_YSIZE)
+			this.y = Env.FROG_BRAIN_YSIZE;
+		if (this.z > Env.FROG_BRAIN_ZSIZE)
+			this.z = Env.FROG_BRAIN_ZSIZE;
+	}
+
+	public Zone(float x, float y, float z, float r, float h) {// 用x,y,z, r来构造
+		this.x = x;
+		this.y = y;
+		this.z = z;
+		this.r = r;
+		this.h = h;
+		if (this.x < 0)
+			this.x = 0;
+		if (this.y < 0)
+			this.y = 0;
+		if (this.z < 0)
+			this.z = 0;
+		if (this.x > Env.FROG_BRAIN_XSIZE)
+			this.x = Env.FROG_BRAIN_XSIZE;
+		if (this.y > Env.FROG_BRAIN_YSIZE)
+			this.y = Env.FROG_BRAIN_YSIZE;
+		if (this.z > Env.FROG_BRAIN_ZSIZE)
+			this.z = Env.FROG_BRAIN_ZSIZE;
+	}
+
+	public Zone(Zone z) {// 用另一个Zone来构造
+		this.x = z.x;
+		this.y = z.y;
+		this.z = z.z;
+		this.r = z.r;
+		this.h = z.h;
+	}
+
+	public Zone(Zone a, Zone b) {// 用两个Zone来构造，新的zone位于两个zone的中间
+		this.x = (a.x + b.x) / 2;
+		this.y = (a.y + b.y) / 2;
+		this.z = (a.z + b.z) / 2 - 20; // -20表示它是下一层的连线
+		this.r = 5;
+		this.h = (a.h + b.h) / 2;
+	}
+
+	public boolean nearby(Zone o) {
+		if (o == null)
+			return false;
+		float dist = r + o.r;
+		return Math.abs(x - o.x) < dist && Math.abs(y - o.y) < dist && Math.abs(z - o.z) < dist;
+	}
+
+	public boolean nearby(float x, float y, float z, float r) {
+		float dist = this.r + r;
+		return Math.abs(this.x - x) < dist && Math.abs(this.y - y) < dist && Math.abs(this.z - z) < dist;
+	}
+
+	public int roundX() {
+		return Math.round(x);
+	}
+
+	public int roundY() {
+		return Math.round(y);
+	}
+
+	public int roundZ() {
+		return Math.round(z);
+	}
+
+	public static void copyXYZRH(Zone from, Zone to) {
+		to.x = from.x;
+		to.y = from.y;
+		to.z = from.z;
+		to.r = from.r;
+		to.h = from.h;
+	}
+
+	public void setXYZRH(float x, float y, float z, float r, float h) {
+		this.x = x;
+		this.y = y;
+		this.z = z;
+		this.r = r;
+		this.h = h;
+	}
+
+	public String debugInfo() {
+		return new StringBuilder().append("zone x=").append(x).append(", y=").append(y).append(", z=").append(z)
+				.append(", r=").append(r).toString();
+	}
+}