C语言、c++实现超好玩植物大战僵尸(完整版附源码）_c++植物大战僵尸源码

实现这个游戏需要Easy_X

main.cpp

//开发日志
//1导入素材
//2实现最开始的游戏场景
//3实现游戏顶部的工具栏
//4实现工具栏里面的游戏卡牌
#define WIN_WIDTH 900
#define WIN_HEIGHT 600
//定义植物类型
enum { WAN_DOU, XIANG_RI_KUI, ZHI_WU_COUNT };
#include<stdio.h>
#include<graphics.h>//easyx图形库的头文件
#include"tools.h"
#include"vector2.h"//向量引用
#include<time.h>
#include<math.h>
#include<mmsystem.h>//导入音乐收集阳光的时候
//导入一个库
#include<Windows.h>
#pragma comment(lib,"winmm.lib")
IMAGE imgBg;//全局变量表示背景图片
IMAGE imgBar;//工具栏
IMAGE imgCards[ZHI_WU_COUNT];
IMAGE* imgZhiwu[ZHI_WU_COUNT][20];
int curX, curY;//当前选中的植物，在拖动过程中的位置
int curZhiwu;//0没有选中。 1选中了第一种植物
 
struct zhiwu
{
	int type;//植物种类 0：表示没有植物 1：第一种植物
	int frameIndex;//序列帧的序号
 
	bool catched;//是否被僵尸捕获
	int deadTime;//死亡倒计时
 
	int x, y;
	int timer;
};
 
struct zhiwu map[3][9];
//定义一个阳光结构体
 
enum { SUNSHINE_DOWN, SUNSHINE_GROUND, SUNSHINE_COLLECT, SUNSHINE_RPODUCT };
 
 
struct sunshineBall
{
	int x, y;//阳光球飘落位置的坐标（x不变）
	int frameIndex;//当前图片显示帧的序号
	//阳光有一个落点设置
	int destY;//飘落位置的Y坐标
	bool used;//判断是否在使用
	//计时器
	int timer;
 
	float xoff;
	float yoff;
 
	float t;//贝塞尔曲线时间点0..1
	vector2 p1, p2, p3,p4;//分别对应起点终点控制点
	vector2 pCur;//当前时刻阳光球的位置
	float speed;
	int status;//阳光状态
};
 
struct sunshineBall balls[10];//设置10个阳光池
IMAGE imgSunshineBall[29];//加载阳光图片，一共29放入数组中
int sunshine;
 
struct zm
{
	int x, y;
	int row;
	int frameIndex;
	bool used;
	int speed;
	int blood;//僵尸血条
	bool dead;
	bool eating;//正在吃植物
};
struct zm zms[10];
IMAGE imgZM[22];
IMAGE imgZMDead[20];
IMAGE imgZMEat[21];
 
//子弹的数据类型
struct bullet
{
	int x, y;
	int row;
	bool used;
	int speed;
	bool blast;//定义豌豆射出的子弹是否发生爆炸
	int frameIndex;//帧序号
};
 
struct bullet bullets[30];
IMAGE imgBulletNormal;
IMAGE imgBallBlast[4];
 
bool fileExist(const char* name)
{
	FILE* fp = fopen(name, "r");//r表示文件的读取
	if (fp == NULL)
	{
		return false;
	}
	else
	{
		fclose(fp);
		return true;
	}
}
 
 
void gameInit()
{
	//加载游戏背景图片
	//把字符集修改成多字符字符集
	loadimage(&imgBg,"res/bg.jpg");
	loadimage(&imgBar,"res/bar5.png");
 
	memset(imgZhiwu, 0, sizeof(imgZhiwu));
	//初始化植物卡牌
	memset(map, 0, sizeof(map));
	char name[64];
	for (int i = 0; i < ZHI_WU_COUNT; i++)
	{
		//生成植物卡牌的文件名
		sprintf_s(name,sizeof(name),"res/Cards/card_%d.png",i+1);//加植物向枚举类型中加
		loadimage(&imgCards[i], name);
 
		for (int j = 0; j < 20; j++)
		{
			sprintf_s(name, sizeof(name), "res/zhiwu/%d/%d.png", i ,j+1);
			//先判断这个文件是否存在
			//定义一个接口
			if (fileExist(name))
			{
				imgZhiwu[i][j] = new IMAGE;
				//.....加载
				loadimage(imgZhiwu[i][j],name);
			}
			else
			{
				break;
			}
		}
	}
	curZhiwu = 0;
	sunshine = 50;
 
	memset(balls, 0, sizeof(balls));
	for (int i = 0; i < 29; i++)
	{
		sprintf_s(name, sizeof(name), "res/sunshine/%d.png",i+1);
		loadimage(&imgSunshineBall[i], name);
	}
 
	//配置随机种子，让阳光真正的随机
	srand((unsigned)time(NULL));
 
	//创建游戏的图形窗口
	initgraph(WIN_WIDTH, WIN_HEIGHT,1);
 
	//设置字体
	LOGFONT f;
	gettextstyle(&f);
	f.lfHeight = 30;
	f.lfWeight = 15;
	strcpy(f.lfFaceName, "Segoe UI Black");
	//抗锯齿
	f.lfQuality = ANTIALIASED_QUALITY;
	settextstyle(&f);
	setbkmode(TRANSPARENT);
	setcolor(BLACK);
 
	//初始化僵尸数据
	memset(zms, 0, sizeof(zms));
	int i = 0;
	for (i = 0; i < 22; i++)
	{
		sprintf_s(name,sizeof(name),"res/zm/%d.png",i+1);
		loadimage(&imgZM[i],name);
	}
 
	loadimage(&imgBulletNormal,"res/bullets/bullet_normal.png");
	memset(bullets,0,sizeof(bullets));
 
	//初始化豌豆子弹的帧图片数组
	loadimage(&imgBallBlast[3],"res/bullets/bullet_blast.png");
	for (int i = 0; i < 3; i++)
	{
		float k = (i + 1) * 0.2;
		loadimage(&imgBallBlast[i],"res/bullets/bullet_blast.png", 
			imgBallBlast[3].getwidth()*k, 
			imgBallBlast[3].getheight()*k,true);
	}
 
	for (int i = 0; i < 20; i++)
	{
		sprintf_s(name,sizeof(name),"res/zm.dead/%d.png",i+1);
		loadimage(&imgZMDead[i],name);
	}
 
	for (int i = 0; i < 21; i++)
	{
		sprintf_s(name,"res/zm_eat/%d.png",i+1);
		loadimage(&imgZMEat[i],name);
	}
 
}
 
 
void drawZM()
{
	int zmCount = sizeof(zms) / sizeof(zms[0]);
	for (int i = 0; i < zmCount; i++)
	{
		if (zms[i].used)
		{
			//IMAGE* img = &imgZM[zms[i].frameIndex];
			//IMAGE* img = (zms[i].dead) ? imgZMDead : imgZM;
			IMAGE* img = NULL;
			if (zms[i].dead)  img = imgZMDead;
			else if (zms[i].dead) img = imgZMEat;
			else img = imgZM;
			img += zms[i].frameIndex;
 
 
			putimagePNG(
				zms[i].x,
				zms[i].y-img->getheight(),
				img);
		}
	}
}
void drawSunshines()
{
	int ballMax = sizeof(balls) / sizeof(balls[0]);
	for (int i = 0; i < ballMax; i++)
	{
		if (balls[i].used || balls[i].xoff)
		{
			IMAGE* img = &imgSunshineBall[balls[i].frameIndex];
			//putimagePNG(balls[i].x, balls[i].y, img);
			putimagePNG(balls[i].pCur.x, balls[i].pCur.y, img);
 
		}
	}
}
 
void updateWindow()
{
	BeginBatchDraw();//开始缓冲
	putimage(0, 0, &imgBg);
	//putimage(250, 0, &imgBar);
	putimagePNG(250, 0, &imgBar);
	for (int i = 0; i < ZHI_WU_COUNT; i++)
	{
		int x = 338 + i * 65;
		int y = 6;
		putimage(x, y, &imgCards[i]);
	}
	
 
	for (int i = 0; i < 3; i++)
	{
		for (int j = 0; j < 9; j++)
		{
			if (map[i][j].type > 0)
			{
				//int x = 256 + j * 81;
				//int y = 179 + i*102+14;
				int Zhiwutype = map[i][j].type - 1;
				int index = map[i][j].frameIndex;
				//putimagePNG(x, y, imgZhiwu[Zhiwutype][index]);
				putimagePNG(map[i][j].x, map[i][j].y,imgZhiwu[Zhiwutype][index]);
			}
		}
	}
	//渲染拖动过程中的植物
	if (curZhiwu)
	{
		IMAGE* img = imgZhiwu[curZhiwu - 1][0];
		putimagePNG(curX - img->getwidth()/2, curY - img->getheight()/2, img);
	}
 
 
	drawSunshines();//绘制阳光
 
 
	char scoreText[8];
	sprintf_s(scoreText, sizeof(scoreText),"%d",sunshine);
	outtextxy(276,67,scoreText);//输出阳光分数
 
	drawZM();//渲染僵尸
 
 
	//渲染阳光
	int bulletMax = sizeof(bullets) / sizeof(bullets[0]);
	for (int i = 0; i < bulletMax; i++)
	{
		if (bullets[i].used)
		{
			if (bullets[i].blast)
			{
				IMAGE* img = &imgBallBlast[bullets[i].frameIndex];
				putimagePNG(bullets[i].x, bullets[i].y, img);
			}
			else
			{
				putimagePNG(bullets[i].x, bullets[i].y, &imgBulletNormal);
 
			}
		}
	}
 
 
 
	EndBatchDraw();//结束双缓冲
}
 
void collectSunshine(ExMessage* msg)
{
	int count = sizeof(balls) / sizeof(balls[0]);
	int w = imgSunshineBall[0].getwidth();
	int h = imgSunshineBall[0].getheight();
	for (int i = 0; i < count; i++)
	{
		if (balls[i].used)
		{
			/*int x = balls[i].x;
			int y = balls[i].y;*/
			int x = balls[i].pCur.x;
			int y = balls[i].pCur.y;
 
			if (msg->x > x && msg->x<x + w && msg->y>y && msg->y < y + h)
			{
			    balls[i].used = false;
				balls[i].status = SUNSHINE_COLLECT;
			    sunshine += 25;
			    mciSendString("play res/sunshine.mp3",0,0,0);//加载音乐文件
 
				//设置阳光球的偏移量
				balls[i].p1 = balls[i].pCur;
				balls[i].p4 = vector2(262, 0);
				balls[i].t = 0;
				float distance = dis(balls[i].p1 - balls[i].p4);
				float off = 8.0;
				balls[i].speed = 1.0/(distance/off);
			}
 
		}
	}
}
 
 
void userClick()
{
	ExMessage msg;//参数是消息类型
	static int status = 0;
	//如果消息有值则保存在peekmessage函数中,即为真
	if (peekmessage(&msg))
	{
		if (msg.message == WM_LBUTTONDOWN)//WM_LBUTTONDOWN左键按下去的意思
		{
			if (msg.x > 338 && msg.x < 338 + 65*ZHI_WU_COUNT && msg.y < 96)//定义坐标判断点击的是否为植物
			{
				int index = (msg.x - 338) / 65;
				status = 1;
				curZhiwu = index + 1;
			}
			else
			{
				collectSunshine(&msg);
			}
		}
		else if (msg.message == WM_MOUSEMOVE&&status==1)//WM_MOUSEMOVE鼠标移动
		{
			//记录当前位置
			curX = msg.x;
			curY = msg.y;
		}
		//鼠标抬动植物就种下去
		else if (msg.message == WM_LBUTTONUP)
		{
			if (msg.x > 256 && msg.y > 179 && msg.y < 489)
			{
				int row = (msg.y - 179) / 102;
				int col = (msg.x - 256) / 81;
 
				if (map[row][col].type == 0)
				{
					map[row][col].type = curZhiwu;
					map[row][col].frameIndex = 0;
 
					//int x = 256 + j * 81;
				    //int y = 179 + i*102+14;
					map[row][col].x = 256 + col * 81;
					map[row][col].y = 179 + row * 102+14;
				}
			}
				curZhiwu = 0;
				status = 0;
			
		}
	}
}
 
 
void creatSunshine()
{
	static int count = 0;
	static int fre = 400;
	count++;
	if (count >= fre )
	{
		fre = 200 + rand() % 200;
		count = 0;//满了计数器清0
		//从阳光池中去一个可以使用的
		int ballMax = sizeof(balls) / sizeof(balls[0]);
		int i = 0;
		for (i = 0; i < ballMax && balls[i].used; i++);
		if (i >= ballMax) return;//阳光池满了
		balls[i].used = true;
		balls[i].frameIndex = 0;
		//balls[i].x = 260 + rand() % (900 - 260);
		//balls[i].y = 60;
		//balls[i].destY = 200 + (rand() % 4) * 90;
		balls[i].timer = 0;
		//balls[i].xoff = 0;
		//balls[i].yoff = 0;
		balls[i].status = SUNSHINE_DOWN;
		balls[i].p1 = vector2(260 + rand() % (900 - 260), 60);
		balls[i].p4 = vector2(balls[i].p1.x, 200 + (rand() % 4) * 90);
		int off = 2;
		float distance = balls[i].p4.y - balls[i].p1.y;
		balls[i].speed = 1.0 / (distance / off);
	}
 
	//向日葵生产阳光
	int ballMax = sizeof(balls) / sizeof(balls[0]);
	for (int i = 0; i < 3; i++)
	{
		for (int j = 0; j < 9; j++)
		{
			if (map[i][j].type == XIANG_RI_KUI + 1)
			{
				map[i][j].timer++;
			}
			if (map[i][j].timer > 200)
			{
				map[i][j].timer = 0;
 
				int k = 0;
				for (k = 0; k < ballMax && balls[k].used; k++);
				if (k >= ballMax) return;
 
				balls[k].used = true;
				balls[k].p1 = vector2(map[i][j].x, map[i][j].y);
				int w = (100 + rand() % 50) * (rand() % 2 ? 1 : -1);
				balls[k].p4 = vector2(map[i][j].x+w, 
					map[i][j].y+imgZhiwu[XIANG_RI_KUI][0]->getheight()-
					imgSunshineBall[0].getheight());
				balls[k].p2 = vector2(balls[k].p1.x+w*0.3,balls[k].p1.y-100);
				balls[k].p3 = vector2(balls[k].p1.x + w * 0.7, balls[k].p1.y + 100);
				balls[k].status = SUNSHINE_RPODUCT;
				balls[k].speed = 0.05;
				balls[k].t = 0;
			}
		}
	}
 
}
 
 
void updateSunshine()//更新阳光
{
	int ballMax = sizeof(balls) / sizeof(balls[0]);
	for (int i = 0; i < ballMax; i++)
	{
		if (balls[i].used)
		{
 
 
			balls[i].frameIndex = (balls[i].frameIndex + 1) % 29;
			if (balls[i].status = SUNSHINE_DOWN)
			{
				struct sunshineBall* sun = &balls[i];
				sun->status = SUNSHINE_GROUND;
				sun->timer = 0;
			}
			else if (balls[i].status == SUNSHINE_GROUND)
			{
				balls[i].timer++;
				if (balls[i].timer > 100)
				{
					balls[i].used = false;
					balls[i].timer = 0;
				}
			}
			else if (balls[i].status == SUNSHINE_COLLECT)
			{
				struct sunshineBall* sun = &balls[i];
				sun->t+=sun->speed;
				sun->pCur = sun->p1 + sun->t * (sun->p4 - sun->p1);
				if (sun->t > 1)
				{
					sun->used = false;
					sunshine += 25;
				}
			}
			else if (balls[i].status == SUNSHINE_RPODUCT)
			{
				struct sunshineBall* sun = &balls[i];
				sun->t += sun->speed;
				sun->pCur = calcBezierPoint(sun->t, sun->p1, sun->p2, sun->p3, sun->p4);
				if (sun->t > 1)
				{
					sun->status = SUNSHINE_GROUND;
					sun->timer = 0;
				}
			}
 
 
			balls[i].frameIndex=(balls[i].frameIndex+1)%29;
			if (balls[i].timer == 0)
			{
				balls[i].y += 2;
			}
			if (balls[i].y >= balls[i].destY)
			{
				//balls[i].used = false;
				balls[i].timer++;
				if (balls[i].timer > 100)
				{
					balls[i].used = false;
				}
			}
		
		}
	}
}
 
 
void creatZM()
{
	static int zmFre = 500;
	static int count = 0;
	count++;
	if (count > zmFre)
	{
		count = 0;
		zmFre = rand() % 200 + 300;
	}
	int i=0;
	int zmMax=sizeof(zms)/sizeof(zms[0]);
	for (i = 0; i < zmMax && zms[i].used; i++);
	if (i < zmMax)
	{
		memset(&zms[i],0,sizeof(zms[i]));
		zms[i].used = true;
		zms[i].x = WIN_WIDTH;
		zms[i].row = rand() % 3;
		zms[i].y = 172 + (1 + zms[i].row) * 100;
		zms[i].speed = 1;
		zms[i].blood = 100;
		zms[i].dead = false;
	}
}
 
 
void updataZM()
{
	int zmMax = sizeof(zms) / sizeof(zms[0]);
 
	static int count = 0;
	count++;
	if (count > 2)
	{
		count = 0;
		//更新僵尸的位置
		for (int i = 0; i < zmMax; i++)
		{
 
			if (zms[i].used)
			{
				zms[i].x -= zms[i].speed;
				if (zms[i].x < 170)
				{
					printf("GAME OVER\n");
					MessageBox(NULL, "over", "over", 0);//待优化
					exit(0);
				}
			}
		}
	}
	
 
	static int count2 = 0;
	count2++;
	if (count2 > 4)
	{
		count2 = 0;
		for (int i = 0; i < zmMax; i++)
		{
			if (zms[i].used)
			{
				if (zms[i].dead)
				{
					zms[i].frameIndex++;
					if (zms[i].frameIndex >= 20)
					{
						zms[i].used = false;
					}
				}
				else if (zms[i].eating)
				{
					zms[i].frameIndex= (zms[i].frameIndex + 1) % 21;
				}
				else
				{
					zms[i].frameIndex = (zms[i].frameIndex + 1) % 22;
				}
			}
		}
	}
}
 
 
void shoot()
{
	int lines[3] = { 0 };
	int zmCount = sizeof(zms) / sizeof(zms[0]);
	int bulletMax = sizeof(bullets) / sizeof(bullets[0]);
	int dangerX = WIN_WIDTH - imgZM[0].getwidth();
	for (int i = 0; i < zmCount; i++)
	{
		if (zms[i].used && zms[i].x < dangerX)
		{
			lines[zms[i].row] = 1;
		}
	}
	for (int i = 0; i < 3; i++)
	{
		for (int j = 0; j < 9; j++)
		{
			if (map[i][j].type == WAN_DOU + 1&&lines[i])
			{
				static int count = 0;
				count++;
				if (count > 20)
				{
					count = 0;
					int k = 0;
					for (k = 0; k < bulletMax && bullets[k].used; k++);
					if (k < bulletMax)
					{
						bullets[k].used = true;
						bullets[k].row = i;
						bullets[k].speed = 6;
 
						bullets[k].blast = false;
						bullets[k].frameIndex = 0;
 
						int zwX = 256 + j * 81;
						int zwY = 179 + i * 102 + 14;
						bullets[k].x = zwX + imgZhiwu[map[i][j].type - 1][0]->getwidth() - 10;
						bullets[k].y = zwY+5;
					}
				}
			}
		}
	}
}
 
void updataBullets()
{
	int countMax = sizeof(bullets) / sizeof(bullets[0]);
	for (int i = 0; i < countMax; i++)
	{
		if (bullets[i].used)
		{
			bullets[i].x += bullets[i].speed;
			if (bullets[i].x > WIN_WIDTH)
			{
				bullets[i].used = false;
			}
 
			//子弹的碰撞爆炸
			if (bullets[i].blast)
			{
				bullets[i].frameIndex++;
				if (bullets[i].frameIndex >= 4)
				{
					bullets[i].used = false;
				}
			}
		}
	}
}
 
void checkBullet2Zm()
{
	int bCount = sizeof(bullets) / sizeof(bullets[0]);
	int zCount = sizeof(zms) / sizeof(zms[0]);
	for (int i = 0; i < bCount; i++)
	{
		if (bullets[i].used == false || bullets[i].blast)
		{
			continue;
		}
		for (int k = 0; k < zCount; k++)
		{
			//if (zms[i].used == false) continue;
			if (zms[k].used == false)  continue;
			int x1 = zms[k].x + 80;
			int x2 = zms[k].x + 110;
			int x = bullets[i].x;
			if (zms[k].dead == false && bullets[i].row == zms[k].row && x > x1 && x < x2)
			{
				zms[k].blood -= 20;
				bullets[i].blast = true;
				bullets[i].speed = 0;
 
				if (zms[k].blood <= 0)
				{
					zms[k].dead = true;
					zms[k].speed = 0;
					zms[k].frameIndex = 0;
				}
 
 
				break;
			}
		}
	}
}
 
void checkZm2Zhiwu()
{
 
	int zCount = sizeof(zms) / sizeof(zms[0]);
	for (int i = 0; i < zCount; i++)
	{
		if (zms[i].dead) continue;
		int row = zms[i].row;
		for (int k = 0; k < 9; k++)
		{
			if (map[row][k].type == 0)
			{
				continue;
			}
			int ZhiWuX = 256 + k * 81;
			int x1 = ZhiWuX + 10;
			int x2 = ZhiWuX + 60;
			int x3 = zms[i].x + 80;
			if (x3 > x1 && x3 < x2)
			{
				if (map[row][k].catched)
				{
					map[row][k].deadTime++;
					if (map[row][k].deadTime > 100)
					{
						map[row][k].deadTime = 0; 
						map[row][k].type = 0;
						zms[i].eating = false;
						zms[i].frameIndex = 0; 
						zms[i].speed = 1;
					}
				}
				else
				{
					map[row][k].catched = true;
					map[row][k].deadTime = 0;
					zms[i].eating = true;
					zms[i].speed = 0;
					zms[i].frameIndex = 0;
 
				}
			}
		}
	}
}
 
void collisionCheck()
{
	checkBullet2Zm();
	checkZm2Zhiwu();
}
void updateGame()
{
	
	for (int i = 0; i < 3; i++)
	{
		for (int j = 0; j < 9; j++)
		{
			if (map[i][j].type > 0)
			{
				map[i][j].frameIndex++;
				int Zhiwutype = map[i][j].type - 1;
				int index = map[i][j].frameIndex;
				if (imgZhiwu[Zhiwutype][index] == NULL)
				{
					map[i][j].frameIndex = 0;
				}
			}
		}
	}
	creatSunshine();//创建阳光
	updateSunshine();//更新阳光状态
 
	creatZM();//创建僵尸
	updataZM();//更新僵尸的状态
 
	shoot();//发射豌豆子弹
	updataBullets();//更新豌豆子弹
 
	collisionCheck();//实现豌豆子弹和僵尸的碰撞
}
void startUI()
{
	IMAGE imgBg,imgMenu1,imgMenu2;
	loadimage(&imgBg,"res/menu.png");
	loadimage(&imgMenu1, "res/menu1.png");
	loadimage(&imgMenu2, "res/menu2.png");
	int flag = 0;
 
	while (1)
	{
		BeginBatchDraw();
		putimage(0,0,&imgBg);
		putimagePNG(474, 75, flag ? &imgMenu2 : &imgMenu1);//如果flag=0，那么加载第二个菜单，
		//就是鼠标点击冒险模式后冒险模式的图标会暗淡下来
		
		ExMessage msg;
		if (peekmessage(&msg))//如果有消息响应
		{
			if (msg.message == WM_LBUTTONDOWN&&msg.x>474&&msg.x<474+300
				&&msg.y>75&&msg.y<75+140)//按下鼠标
				//判断按下的位置对不对
			{
				flag = 1;
				//鼠标松开
				//EndBatchDraw();//渲染一下
			}
			else if (msg.message == WM_LBUTTONUP&&flag)//鼠标抬起
			{
				return;
			}
		}
		EndBatchDraw();
	}
	
}
int main(void)
{
	gameInit();//进入游戏的程序函数
	startUI();//菜单函数
	int timer = 0;
	bool flag = true;
	while (1)
	{
		userClick();
		timer += getDelay();
		if (timer > 20)
		{
			flag = true;
			timer = 0;
		}
		if (flag)
		{
			flag = false;
			updateWindow();
			updateGame();
		}
	}
	system("pause");
	return 0;
}
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tools.cpp

#include "tools.h"
 
// 载入PNG图并去透明部分
void _putimagePNG(int  picture_x, int picture_y, IMAGE* picture) //x为载入图片的X坐标，y为Y坐标
{
	DWORD* dst = GetImageBuffer();    // GetImageBuffer()函数，用于获取绘图设备的显存指针，EASYX自带
	DWORD* draw = GetImageBuffer();
	DWORD* src = GetImageBuffer(picture); //获取picture的显存指针
	int picture_width = picture->getwidth(); //获取picture的宽度，EASYX自带
	int picture_height = picture->getheight(); //获取picture的高度，EASYX自带
	int graphWidth = getwidth();       //获取绘图区的宽度，EASYX自带
	int graphHeight = getheight();     //获取绘图区的高度，EASYX自带
	int dstX = 0;    //在显存里像素的角标
 
	// 实现透明贴图 公式： Cp=αp*FP+(1-αp)*BP ， 贝叶斯定理来进行点颜色的概率计算
	for (int iy = 0; iy < picture_height; iy++)
	{
		for (int ix = 0; ix < picture_width; ix++)
		{
			int srcX = ix + iy * picture_width; //在显存里像素的角标
			int sa = ((src[srcX] & 0xff000000) >> 24); //0xAArrggbb;AA是透明度
			int sr = ((src[srcX] & 0xff0000) >> 16); //获取RGB里的R
			int sg = ((src[srcX] & 0xff00) >> 8);   //G
			int sb = src[srcX] & 0xff;              //B
			if (ix >= 0 && ix <= graphWidth && iy >= 0 && iy <= graphHeight && dstX <= graphWidth * graphHeight)
			{
				dstX = (ix + picture_x) + (iy + picture_y) * graphWidth; //在显存里像素的角标
				int dr = ((dst[dstX] & 0xff0000) >> 16);
				int dg = ((dst[dstX] & 0xff00) >> 8);
				int db = dst[dstX] & 0xff;
				draw[dstX] = ((sr * sa / 255 + dr * (255 - sa) / 255) << 16)
					| ((sg * sa / 255 + dg * (255 - sa) / 255) << 8)
					| (sb * sa / 255 + db * (255 - sa) / 255);
			}
		}
	}
}
 
// 适用于 y <0 以及x<0的任何情况
void putimagePNG(int x, int y, IMAGE* picture) {
 
	IMAGE imgTmp, imgTmp2, imgTmp3;
	int winWidth = getwidth();
	int winHeight = getheight();
	if (y < 0) {
		SetWorkingImage(picture);
		getimage(&imgTmp, 0, -y,
			picture->getwidth(), picture->getheight() + y);
		SetWorkingImage();
		y = 0;
		picture = &imgTmp;
	}
	else if (y >= getheight() || x >= getwidth()) {
		return;
	}
	else if (y + picture->getheight() > winHeight) {
		SetWorkingImage(picture);
		getimage(&imgTmp, x, y, picture->getwidth(), winHeight - y);
		SetWorkingImage();
		picture = &imgTmp;
	}
 
	if (x < 0) {
		SetWorkingImage(picture);
		getimage(&imgTmp2, -x, 0, picture->getwidth() + x, picture->getheight());
		SetWorkingImage();
		x = 0;
		picture = &imgTmp2;
	}
 
	if (x > winWidth - picture->getwidth()) {
		SetWorkingImage(picture);
		getimage(&imgTmp3, 0, 0, winWidth - x, picture->getheight());
		SetWorkingImage();
		picture = &imgTmp3;
	}
 
 
	_putimagePNG(x, y, picture);
}
 
int getDelay() {
	static unsigned long long lastTime = 0;
	unsigned long long currentTime = GetTickCount();
	if (lastTime == 0) {
		lastTime = currentTime;
		return 0;
	}
	else {
		int ret = currentTime - lastTime;
		lastTime = currentTime;
		return ret;
	}
}
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vector2.cpp

//头文件要求
#include <cmath>
 
struct vector2
{
	vector2(int _x = 0, int _y = 0) :x(x), y(y){}
	vector2(int* data):x(data[0]),y(data[1]){}
	long long x, y;
};
 
//加法
vector2 operator +(vector2 x, vector2 y) { 
	return vector2(x.x + y.x, x.y + y.y ); 
}
 
//减法
vector2 operator -(vector2 x, vector2 y) {
	return vector2(x.x - y.x, x.y - y.y);
}
 
// 乘法
vector2 operator *(vector2 x, vector2 y) {
	return vector2(x.x * y.x - x.y * y.y, x.y * y.x + x.x * y.y);
}
 
// 乘法
vector2 operator *(vector2 y, float x) {
	return vector2(x*y.x, x*y.y);
}
 
vector2 operator *(float x, vector2 y) {
	return vector2(x * y.x, x * y.y);
}
 
//叉积
long long cross(vector2 x, vector2 y) { return x.y * y.x - x.x * y.y; }
 
//数量积 点积
long long dot(vector2 x, vector2 y) { return x.x * y.x + x.y * y.y; }
 
//四舍五入除法
long long dv(long long a, long long b) {//注意重名！！！ 
	return b < 0 ? dv(-a, -b)
		: (a < 0 ? -dv(-a, b)
			: (a + b / 2) / b);
}
 
//模长平方
long long len(vector2 x) { return x.x * x.x + x.y * x.y; }
 
//模长
long long dis(vector2 x) { return sqrt(x.x * x.x + x.y * x.y); }
 
//向量除法
vector2 operator /(vector2 x, vector2 y) {
	long long l = len(y);
	return vector2(dv(dot(x, y), l), dv(cross(x, y), l));
}
 
//向量膜
vector2 operator %(vector2 x, vector2 y) { return x - ((x / y) * y); }
 
//向量GCD 
vector2 gcd(vector2 x, vector2 y) { return len(y) ? gcd(y, x % y) : x; }
 
 
vector2 calcBezierPoint(float t, vector2 p0, vector2 p1, vector2 p2, vector2 p3) {
	float u = 1 - t;
	float tt = t * t;
	float uu = u * u;
	float uuu = uu * u;
	float ttt = tt * t;
 
	vector2 p = uuu * p0;
	p = p + 3 * uu * t * p1;
	p = p + 3 * u * tt * p2;
	p = p + ttt * p3;
 
	return p;
}
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tools.h

#pragma once
#include <graphics.h>
 
void putimagePNG(int  picture_x, int picture_y, IMAGE* picture);
int getDelay();
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vector2.h

#pragma once
 
//头文件要求
#include <cmath>
 
struct vector2 {
	vector2(int _x=0, int _y=0) :x(_x), y(_y) {}
	vector2(int* data) :x(data[0]), y(data[1]){}
	long long x, y;
};
 
//加法
vector2 operator +(vector2 x, vector2 y);
 
//减法
vector2 operator -(vector2 x, vector2 y);
 
// 乘法
vector2 operator *(vector2 x, vector2 y);
vector2 operator *(vector2, float);
vector2 operator *(float, vector2);
 
//叉积
long long cross(vector2 x, vector2 y);
 
//数量积 点积
long long dot(vector2 x, vector2 y);
 
//四舍五入除法
long long dv(long long a, long long b);
 
 
//模长平方
long long len(vector2 x);
 
//模长
long long dis(vector2 x);
 
//向量除法
vector2 operator /(vector2 x, vector2 y);
 
//向量膜
vector2 operator %(vector2 x, vector2 y);
 
//向量GCD 
vector2 gcd(vector2 x, vector2 y);
 
vector2 calcBezierPoint(float t, vector2 p0, vector2 p1, vector2 p2, vector2 p3);
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效果图