浪漫烟花表白程序(C++).rar

#include <graphics.h> #include <math.h> #include <stdlib.h> #include <ctime> #include <conio.h> #pragma comment(lib,"winmm.lib") #define PI 3.1415926548 #define NUM 13 //整个屏幕中只能最多出现13个烟花 //烟花弹的结构体 struct Jet { int x, y; //当前坐标 int hx, hy; //最高点坐标 int height; //上升的高度 y1-y2 bool shoot; //是否发射 DWORD t1, t2, dt; //记录时间 速度 IMAGE img[2]; //烟花弹的图片 byte n : 1; //位段 //n 只占用1个位 n++ }jet[NUM]; //烟花的结构体 struct Fire { int r; //半径 int x, y; int max_r; //最大半径 int cen_x, cen_y; //中心的坐标 int width, height; //宽度 高度 int xy[240][240]; //像素矩阵 bool show; //是否显示 bool draw; //是否绘制 DWORD t1, t2, dt; //绽放速度 }fire[NUM]; void Welcome() { //初始化界面 initgraph(1200, 800); //1200 800 srand((unsigned int)time(NULL)); IMAGE img1; //定义一张图片 //加载图片 loadimage(&img1, L"./res/timg.jpg", 1200, 800); mciSendString(L"open ./res/Snowdream.mp3 alias BGM", 0, 0, 0); mciSendString(L"play BGM", 0, 0, 0); for (int i = 0; i < 50; i++) //50 { //圆的轨迹方程。 int x = 600 + int(180 * sin(PI * 2 * i / 60)); int y = 200 + int(180 * cos(PI * 2 * i / 60)); cleardevice(); settextcolor(YELLOW); settextstyle(i, 0, L"华文行楷"); outtextxy(x - 80, y, L"原来你是我最想留住的幸运"); outtextxy(x - 10, y + 100, L"原来我们和爱情曾经靠得那么近"); Sleep(25); } Sleep(8000); putimage(0, 0, &img1); settextstyle(25, 0, L"隶书"); settextcolor(RED); setbkmode(0); outtextxy(800, 100, L"曾经爱你"); outtextxy(800, 150, L"是真的"); outtextxy(800, 200, L"依然爱你"); outtextxy(800, 250, L"也是真的"); outtextxy(800, 300, L"让我一生"); outtextxy(800, 350, L"为你着迷"); outtextxy(1000, 400, L"——Tsing Zhou"); Sleep(10000); } //程序的初始化函数 void Init(int i) { int r[13] = { 120, 120, 155, 123, 130, 147, 138, 138, 130, 135, 140, 132, 155 }; int x[13] = { 120, 120, 110, 117, 110, 93, 102, 102, 110, 105, 100, 108, 110 }; int y[13] = { 120, 120, 85, 118, 120, 103, 105, 110, 110, 120, 120, 105, 85 }; fire[i].width = 240; fire[i].height = 240; fire[i].max_r = r[i]; fire[i].cen_x = x[i]; fire[i].cen_y = y[i]; fire[i].show = false; fire[i].dt = 5; fire[i].t1 = timeGetTime(); fire[i].r = 0; //初始化烟花弹 jet[i].t1 = timeGetTime(); //系统时间 jet[i].n = 0; //暗色 jet[i].shoot = false; jet[i].dt = rand() % 10; //每一个烟花弹的速度相同还是不同 0-9 jet[i].height = 0; } //加载图片 void Loadjpg() { IMAGE fm, gm; loadimage(&fm, L"./res/flower.jpg", 3120, 240); for (int i = 0; i < 13; i++) { SetWorkingImage(&fm); getimage(&gm, i * 240, 0, 240, 240); SetWorkingImage(&gm); for (int a = 0; a < 240; a++) { for (int b = 0; b < 240; b++) { fire[i].xy[a][b] = getpixel(a, b); } } } //加载烟花弹 IMAGE jetimg; loadimage(&jetimg, L"./res/shoot.jpg", 200, 50); //窗口 默认工作区 //jetimg SetWorkingImage(&jetimg); for (int i = 0; i < NUM; i++) { int num = rand() % 5; //0-4 getimage(&jet[i].img[0], num * 20, 0, 20, 50); //获取图片 getimage(&jet[i].img[1], (num + 5) * 20, 0, 20, 50); } SetWorkingImage(NULL); } //选择一些烟花弹 void Choise(DWORD &t1) { //烟花弹出现 时间间隔 DWORD t2 = timeGetTime(); if (t2 - t1 > 100) //每间隔100个ms 产生一个新的烟花弹 { int n = rand() % 13; if (jet[n].shoot == false && fire[n].show == false) { //重置坐标各种数据 jet[n].x = rand() % 1200; jet[n].y = rand() % 100 + 600; //600-699 jet[n].hx = jet[n].x; jet[n].hy = rand() % 400; //0-399 jet[n].height = jet[n].y - jet[n].hy; jet[n].shoot = true; putimage(jet[n].x, jet[n].y, &jet[n].img[jet[n].n], SRCINVERT); } t1 = t2; } } //发射 void Shoot() { for (int i = 0; i < NUM; i++) { jet[i].t2 = timeGetTime(); if (jet[i].t2 - jet[i].t1 > jet[i].dt&&jet[i].shoot == true) { putimage(jet[i].x, jet[i].y, &jet[i].img[jet[i].n], SRCINVERT); if (jet[i].hy < jet[i].y) { jet[i].n++; //闪烁 jet[i].y -= 5; } putimage(jet[i].x, jet[i].y, &jet[i].img[jet[i].n], SRCINVERT); //上升到height的3/4的时候 减速 if ((jet[i].y - jet[i].hy) * 4 < jet[i].height) { jet[i].dt = rand() % 4 + 10; } if (jet[i].y <= jet[i].hy) { putimage(jet[i].x, jet[i].y, &jet[i].img[jet[i].n], SRCINVERT); fire[i].x = jet[i].hx + 10; fire[i].y = jet[i].hy; fire[i].show = true; jet[i].shoot = false; } jet[i].t1 = jet[i].t2; } } } //烟花绽放 void show(DWORD* pMem) { int drt[16] = { 5, 5, 5, 5, 5, 6, 25, 25, 25, 25, 55, 55, 55, 55, 55, 55 }; for (int i = 0; i < NUM; i++) { fire[i].t2 = timeGetTime(); if (fire[i].t2 - fire[i].t1 > fire[i].dt&&fire[i].show == true) { if (fire[i].r < fire[i].max_r) { fire[i].r++; fire[i].r < drt[fire[i].r / 10]; fire[i].draw = true; } if (fire[i].r >= fire[i].max_r - 1) { fire[i].draw = false; Init(i); } fire[i].t1 = fire[i].t2; } if (fire[i].draw) //饱和度 色相 亮度 { for (double a = 0; a <= 6.28; a += 0.01) { int x1 = (int)(fire[i].cen_x + fire[i].r*cos(a)); int y1 = (int)(fire[i].cen_y + fire[i].r*sin(a)); if (x1 > 0 && x1 < fire[i].width&&y1>0 && y1 < fire[i].height) { int b = fire[i].xy[x1][y1] & 0xff; int g = (fire[i].xy[x1][y1] >> 8) & 0xff; int r = (fire[i].xy[x1][y1] >> 16); int xx = (int)(fire[i].x + fire[i].r*cos(a)); int yy = (int)(fire[i].y - fire[i].r*sin(a)); if (r > 0x20 && g > 0x20 && b > 0x20 && xx > 0 && xx < 1200 && yy>0 && yy < 800) pMem[yy * 1200 + xx] = BGR(fire[i].xy[x1][y1]); } } fire[i].draw = false; } } } //主函数 int main() { Welcome(); DWORD t1 = timeGetTime(); DWORD* pMem = GetImageBuffer(); for (int i = 0; i < NUM; i++) //13 13个烟花弹 { Init(i); } Loadjpg(); while (1) { for (int clr = 0; clr < 1000; clr++) { for (int j = 0; j < 2; j++) { int px1 = rand() % 1200; int py1 = rand() % 800; //2000 if (py1 < 799) { pMem[py1 * 1200 + px1] = pMem[py1 * 1200 + px1 + 1] = BLACK; } } } Choise(t1); Shoot(); show(pMem); } return 0; }