gui/src/main/java/com/github/kuangcp/tank/util/TankTool.java
package com.github.kuangcp.tank.util;
import com.github.kuangcp.tank.constant.DirectType;
import com.github.kuangcp.tank.domain.Brick;
import com.github.kuangcp.tank.domain.Hinder;
import com.github.kuangcp.tank.domain.Bullet;
import com.github.kuangcp.tank.domain.Tank;
import lombok.extern.slf4j.Slf4j;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
@Slf4j
public class TankTool {
/**
* 碰撞检测函数 坦克之间
* TODO 重构
*/
public static boolean ablePass(Tank me, Tank you) {
if (Objects.isNull(me) || Objects.isNull(you)) {
return true;
}
if (!me.isAlive() || !you.isAlive()) {
return true;
}
boolean flag = true;
switch (you.getDirect()) {//对方 上下
case 0:
case 1:
switch (me.getDirect()) {//己方 上下左右 分开
case 0: {
if ((you.getX() - 10 <= me.getX() - 10 &&
you.getX() + 10 >= me.getX() - 10 &&
you.getY() - 15 <= me.getY() - 15 &&
you.getY() + 15 >= me.getY() - 15)
||
(you.getX() - 10 <= me.getX() + 10 &&
you.getX() + 10 >= me.getX() + 10 &&
you.getY() - 15 <= me.getY() - 15 &&
you.getY() + 15 >= me.getY() - 15))//判断最前方两个点是否在对方坦克区域内
{
flag = false;
}
break;
}
case 1: {
if ((you.getX() - 10 <= me.getX() - 10 &&
you.getX() + 10 >= me.getX() - 10 &&
you.getY() - 15 <= me.getY() + 15 &&
you.getY() + 15 >= me.getY() + 15)
||
(you.getX() - 10 <= me.getX() + 10 &&
you.getX() + 10 >= me.getX() + 10 &&
you.getY() - 15 <= me.getY() + 15 &&
you.getY() + 15 >= me.getY() + 15))//判断最前方两个点是否在对方坦克区域内
{
flag = false;
}
break;
}
case 2: {
if ((you.getX() - 10 <= me.getX() - 15 &&
you.getX() + 10 >= me.getX() - 15 &&
you.getY() - 15 <= me.getY() - 10 &&
you.getY() + 15 >= me.getY() - 10)
||
(you.getX() - 10 <= me.getX() - 15 &&
you.getX() + 10 >= me.getX() - 15 &&
you.getY() - 15 <= me.getY() + 10 &&
you.getY() + 15 >= me.getY() + 10))//判断最前方两个点是否在对方坦克区域内
{
flag = false;
}
break;
}
case 3: {
if ((you.getX() - 10 <= me.getX() + 15 &&
you.getX() + 10 >= me.getX() + 15 &&
you.getY() - 15 <= me.getY() - 10 &&
you.getY() + 15 >= me.getY() - 10)
||
(you.getX() - 10 <= me.getX() + 15 &&
you.getX() + 10 >= me.getX() + 15 &&
you.getY() - 15 <= me.getY() + 10 &&
you.getY() + 15 >= me.getY() + 10))//判断最前方两个点是否在对方坦克区域内
{
flag = false;
}
break;
}
default:
break;
}
case 2:
case 3://对方左右
switch (me.getDirect()) {//己方 上下左右 分开
case 0: {
if ((you.getX() - 15 <= me.getX() - 10 &&
you.getX() + 15 >= me.getX() - 10 &&
you.getY() - 10 <= me.getY() - 15 &&
you.getY() + 10 >= me.getY() - 15)
||
(you.getX() - 15 <= me.getX() + 10 &&
you.getX() + 15 >= me.getX() + 10 &&
you.getY() - 10 <= me.getY() - 15 &&
you.getY() + 10 >= me.getY() - 15))//判断最前方两个点是否在对方坦克区域内
{
flag = false;
}
break;
}
case 1: {
if ((you.getX() - 15 <= me.getX() - 10 &&
you.getX() + 15 >= me.getX() - 10 &&
you.getY() - 10 <= me.getY() + 15 &&
you.getY() + 10 >= me.getY() + 15)
||
(you.getX() - 15 <= me.getX() + 10 &&
you.getX() + 15 >= me.getX() + 10 &&
you.getY() - 10 <= me.getY() + 15 &&
you.getY() + 10 >= me.getY() + 15))//判断最前方两个点是否在对方坦克区域内
{
flag = false;
}
break;
}
case 2: {
if ((you.getX() - 15 <= me.getX() - 15 &&
you.getX() + 15 >= me.getX() - 15 &&
you.getY() - 10 <= me.getY() - 10 &&
you.getY() + 10 >= me.getY() - 10)
||
(you.getX() - 15 <= me.getX() - 15 &&
you.getX() + 15 >= me.getX() - 15 &&
you.getY() - 10 <= me.getY() + 10 &&
you.getY() + 10 >= me.getY() + 10))//判断最前方两个点是否在对方坦克区域内
{
flag = false;
}
break;
}
case 3: {
if ((you.getX() - 10 <= me.getX() + 15 &&
you.getX() + 10 >= me.getX() + 15 &&
you.getY() - 15 <= me.getY() - 10 &&
you.getY() + 15 >= me.getY() - 10)
||
(you.getX() - 10 <= me.getX() + 15 &&
you.getX() + 10 >= me.getX() + 15 &&
you.getY() - 15 <= me.getY() + 10 &&
you.getY() + 15 >= me.getY() + 10))//判断最前方两个点是否在对方坦克区域内
{
flag = false;
}
break;
}
default:
break;
}
}
//switch 语句之外：
return flag;
}
/**
* FIXME 使用坐标区间是否重合来判断 还需要考虑速度, 目前可以两个方向频繁切换发生重叠
* <p>
* 碰撞检测函数 坦克 和 障碍物
*/
public static boolean ablePass(Tank t, Hinder h) {
int hx = h.getWidth(), hy = h.getHeight();
final int halfHeight = t.getHalfHeight();
final int halfWidth = t.getHalfWidth();
final int leftX = t.getX() - halfWidth;
final int rightX = t.getX() + halfWidth;
switch (t.getDirect()) {
case DirectType.UP:
final int upY = t.getY() - halfHeight;
if (leftX >= h.getHx() && leftX <= h.getHx() + hx
&& upY >= h.getHy() && upY <= h.getHy() + hy
|| t.getX() >= h.getHx() && t.getX() <= h.getHx() + hx
&& upY >= h.getHy() && upY <= h.getHy() + hy
|| rightX >= h.getHx() && rightX <= h.getHx() + hx
&& upY >= h.getHy() && upY <= h.getHy() + hy) {
return false;
}
break;
case DirectType.DOWN:
final int downY = t.getY() + halfHeight;
if (leftX >= h.getHx() && leftX <= h.getHx() + hx
&& downY >= h.getHy() && downY <= h.getHy() + hy
|| t.getX() >= h.getHx() && t.getX() <= h.getHx() + hx
&& downY >= h.getHy() && downY <= h.getHy() + hy
|| rightX >= h.getHx() && rightX <= h.getHx() + hx
&& downY >= h.getHy() && downY <= h.getHy() + hy) {
return false;
}
break;
case DirectType.LEFT:
if (t.getX() - halfHeight >= h.getHx() && t.getX() - halfHeight <= h.getHx() + hx
&& t.getY() - halfWidth >= h.getHy() && t.getY() - halfWidth <= h.getHy() + hy
|| t.getX() - halfHeight >= h.getHx() && t.getX() - halfHeight <= h.getHx() + hx
&& t.getY() >= h.getHy() && t.getY() <= h.getHy() + hy
|| t.getX() - halfHeight >= h.getHx() && t.getX() - halfHeight <= h.getHx() + hx
&& t.getY() + halfWidth >= h.getHy() && t.getY() + halfWidth <= h.getHy() + hy) {
return false;
}
break;
case DirectType.RIGHT:
if (t.getX() + halfHeight >= h.getHx() - 2 && t.getX() + halfHeight <= h.getHx() + hx
&& t.getY() + halfWidth >= h.getHy() && t.getY() + halfWidth <= h.getHy() + hy
|| t.getX() + halfHeight >= h.getHx() - 2 && t.getX() + halfHeight <= h.getHx() + hx
&& t.getY() >= h.getHy() && t.getY() <= h.getHy() + hy
|| t.getX() + halfHeight >= h.getHx() - 2 && t.getX() + halfHeight <= h.getHx() + hx
&& t.getY() - halfWidth >= h.getHy() && t.getY() - halfWidth <= h.getHy() + hy) {
return false;
}
break;
}
return true;
}
/**
* 子弹和障碍物 碰撞监测
*/
public static void judgeHint(Bullet s, Hinder h) {
if (s.sx >= h.getHx() - 1 && s.sx <= h.getHx() + h.getWidth()
&& s.sy >= h.getHy() - 1 && s.sy <= h.getHy() + h.getHeight()) {
s.alive = false;
if (h instanceof Brick) {
h.setAlive(false);
}
}
}
public static void yieldMsTime(long time) {
yieldTime(time, TimeUnit.MILLISECONDS);
}
public static void yieldTime(long time, TimeUnit timeUnit) {
try {
timeUnit.sleep(time);
} catch (InterruptedException e) {
log.error("", e);
}
}
}