C语言烟花(TCS~T)

#include <stdio.h> #include <conio.h> #include <easyx.h> #include<mmsystem.h> #include <math.h> #include <time.h> #include <graphics.h> #pragma comment(lib,"winmm.lib") IMAGE img_bk[3]; #define MUN 10 #define PI 3.1415 #define WIDTH 960 #define HEIGHT 640 struct Fire//烟花 { int x, y; int cen_x, cen_y;//中心点坐标 int r;//当前绽放半径 int max_r;//最大绽放半径 int width, height; DWORD pixel[240][240];//图像像素数组 bool isShow; //烟花是否好了 bool isDraw; //是否会置烟花 }fire[MUN]; struct Jet//烟花结构体 { int x, y; int hx, hy; bool isLaunch;//烟花是否在发射中 IMAGE img[2]; byte n : 1; }jet[MUN]; void InitData(int i)//初始化烟花 { fire[i].cen_x = 120; fire[i].cen_y = 120; fire[i].max_r = 120; fire[i].r = 0; fire[i].width = 240; fire[i].height = 240; fire[i].isDraw = false; fire[i].isShow = false; } void loadImg()//初始化烟花爆炸效果 { IMAGE bloomImg, tImg; loadimage(&bloomImg, L"./images/爆炸.jpg", 3120, 240); for (int i = 0; i < MUN; i++) { InitData(i); SetWorkingImage(&bloomImg); getimage(&tImg, i * 240, 0, 240, 240); SetWorkingImage(&tImg); for (int a = 0; a < 240; a++) { for (int b = 0; b < 240; b++) { fire[i].pixel[a][b] = getpixel(a, b); } } } //初始化烟花弹 IMAGE jetImg; loadimage(&jetImg, L"./images/烟花.jpg", 200, 50); for (int i = 0; i < MUN; i++) { SetWorkingImage(&jetImg); int n = rand() % 5; getimage(&jet[i].img[0], n * 20, 0, 20, 50); getimage(&jet[i].img[1], n * 20 + 100, 0, 20, 50); SetWorkingImage(); /*putimage(i * 50, 0, &jet[i].img[0]);*/ jet[i].isLaunch = false; } SetWorkingImage(); } void createJet()//画烟花 { int i = rand() % MUN;//(0~13) if (jet[i].isLaunch == false) { jet[i].x = rand() % (WIDTH); jet[i].y = rand() % 100 + HEIGHT; jet[i].hx = jet[i].x; jet[i].hy = rand() % (HEIGHT / 5 * 3); jet[i].isLaunch = true; } } void launch()//移动烟花 { for (int i = 0; i < MUN; i++) { if (jet[i].isLaunch) { putimage(jet[i].x, jet[i].y, &jet[i].img[jet[i].n], SRCINVERT); if (jet[i].y > jet[i].hy) { jet[i].y -= 1; jet[i].n++; } putimage(jet[i].x, jet[i].y, &jet[i].img[jet[i].n], SRCINVERT); if (jet[i].y <= jet[i].hy) { jet[i].isLaunch = false; //可以开始放烟花 fire[i].x = jet[i].x; fire[i].y = jet[i].y; fire[i].isShow = true; } } } } void bloom(DWORD* pMem) { for (int i = 0; i < MUN; i++) { if (fire[i].isShow) { if (fire[i].r < fire[i].max_r) { fire[i].r++; fire[i].isDraw = true;//可以开始绘制烟花 } if (fire[i].r >= fire[i].max_r) { InitData(i); } } if (fire[i].isDraw) { //求当前半径下,圆上的每个点对应的弧度 for (double a = 0; a < 2 * PI; a += 0.01) { int img_x = fire[i].cen_x + fire[i].r * cos(a);//求出圆上每个点的坐标 int img_y = fire[i].cen_y + fire[i].r * sin(a); if (img_x > 0 && img_x < fire[i].width && img_y>0 && img_y < fire[i].height); { //针对现在的绽放点，对应的品目坐标 int win_x = fire[i].x + fire[i].r * cos(a); int win_y = fire[i].y + fire[i].r * sin(a); if (win_x > 0 && win_x < WIDTH && win_y>0 && win_y < WIDTH) { pMem[win_y * WIDTH + win_x] = BGR(fire[i].pixel[img_x][img_y]); } } } } } } int main() { initgraph(WIDTH, HEIGHT); mciSendString(_T("open ./images/告白气球.mp3 alias bgm "), NULL, 0, NULL); mciSendString(TEXT("play bgm"), NULL, 0, NULL); srand((unsigned)time(NULL) + clock()); cleardevice(); loadImg(); DWORD* pMem = GetImageBuffer();//获取窗口的内存指针 while (!_kbhit()) { settextstyle(40, 0, _T("华文行楷")); outtextxy(400, 50, _T("新年好呀")); for (int i = 0; i < WIDTH; i++) { for (int k = 0; k < 4; k++) { int x = rand() % WIDTH; int y = rand() % HEIGHT; if (y < HEIGHT) { pMem[y * WIDTH + x] = BLACK; } } } createJet(); launch(); bloom(pMem); Sleep(10); } cleardevice(); EndBatchDraw(); getchar(); return 0; }