STM32学习笔记十三：WS2812制作像素游戏屏-飞行射击游戏（3）探索数据管理，比例分布随机数算法-优快云博客

本文介绍了如何在C++中设计和实现一个飞行射击游戏的敌机系统，包括敌机基类（EnemyBase）、多种敌机子类（EnemyT1,EnemyT2,EnemyT3）以及敌机管理器（EnemyManager），同时探讨了数据结构的设计和内存管理策略，如单例模式用于跨manager的数据访问。

这回，开始做敌机。

我们设定敌机有3中，小型，大型和BOSS，分别叫 EnemyT1 / EnemyT2 / EnemyT3。

先定义一个敌机基类：

EnemyBase.h

/*
 * EnemyBase.h
 *
 *  Created on: Dec 24, 2023
 *      Author: YoungMay
 */

#ifndef SRC_PLANE_ENEMYBASE_H_
#define SRC_PLANE_ENEMYBASE_H_
#include "../drivers/DList.h"
#include "PlaneDef.h"

class EnemyBase {
public:
	EnemyBase();
	virtual ~EnemyBase() {
	}
	virtual uint8_t tick(uint32_t t)=0;
	virtual void init()=0;
	virtual uint8_t show(void)=0;
	ListNode *enemyBulletList;
	PlaneObject_t baseInfo;
	uint16_t HP;
};

#endif /* SRC_PLANE_ENEMYBASE_H_ */

然后是三种敌机：

EnemyT1.h

/*
 * EnemyT1.h
 *
 *  Created on: Dec 24, 2023
 *      Author: YoungMay
 */

#ifndef SRC_PLANE_EnemyT1_H_
#define SRC_PLANE_EnemyT1_H_
#include "EnemyBase.h"

class EnemyT1: public EnemyBase {
public:
	EnemyT1();
	~EnemyT1();
	uint8_t tick(uint32_t t);
	void init();
	uint8_t show(void);
	bool sharp[3][3] = {
 { 1, 0, 1 },
 { 1, 1, 1 },
 { 0, 1, 0 } };

};

#endif /* SRC_PLANE_EnemyT1_H_ */

EnemyT1.cpp

/*
 * EnemyT1.cpp
 *
 *  Created on: Dec 24, 2023
 *      Author: YoungMay
 */

#include "EnemyT1.h"

EnemyT1::EnemyT1() {
	HP = 100;
	baseInfo.speed = 15;
	baseInfo.width = 3;
	baseInfo.height = 3;
	getRainbowColor(&baseInfo.color, 400);
}

EnemyT1::~EnemyT1() {
	// TODO Auto-generated destructor stub
}

void EnemyT1::init() {

}

uint8_t EnemyT1::tick(uint32_t t) {
	baseInfo.y += t * baseInfo.speed;
	return 0;
}

uint8_t EnemyT1::show(void) {
	for (uint8_t y = 0; y < baseInfo.height; y++) {
		for (uint8_t x = 0; x < baseInfo.width; x++) {
			if (sharp[y][x])
				ws2812_pixel(
						x + baseInfo.x / PlaneXYScale - baseInfo.width / 2,
						y + baseInfo.y / PlaneXYScale - baseInfo.height / 2,
						baseInfo.color.R, baseInfo.color.G, baseInfo.color.B);
		}
	}
	return 0;
}

EnemyT2.h

/*
 * EnemyT2.h
 *
 *  Created on: Dec 24, 2023
 *      Author: YoungMay
 */

#ifndef SRC_PLANE_EnemyT2_H_
#define SRC_PLANE_EnemyT2_H_
#include "EnemyBase.h"

class EnemyT2: public EnemyBase {
public:
	EnemyT2();
	~EnemyT2();
	uint8_t tick(uint32_t t);
	void init();
	uint8_t show(void);

	bool sharp[5][5] = {