好看的c语言程序烟花源代码

好看的c语言程序烟花源代码

烟花是人们新年、庆祝等节日最喜爱的庆祝道具之一，而用C语言编写的烟花程序更是酷炫、有趣，甚至具有一定的指导意义。

本程序采用的是Win32 API图形和多线程，实现了屏幕上多个烟花同时绽放、炫彩夺目的效果。以下是程序代码：

```

include

include

include

include

define MAX_FIREWORKS 10

define MAX_PARTICLES 100

struct ParticleStruct {

float x, y;

float vx, vy;

float brightness;

};

struct FireworkStruct {

int x, y;

int color;

int particlesLeft;

bool exploded;

ParticleStruct particles[MAX_PARTICLES];

};

FireworkStruct fireworks[MAX_FIREWORKS];

int screenHeight, screenWidth;

HDC hDCMem;

HBITMAP hBitmap;

HBITMAP hOldBitmap;

void InitializeFirework(int index) {

fireworks[index].x = rand() % screenWidth;

fireworks[index].y = screenHeight - 1;

fireworks[index].color = RGB(rand() % 256, rand() %

256, rand() % 256);

fireworks[index].particlesLeft = rand() % 101 + 100;

fireworks[index].exploded = false;

for (int i = 0; i < MAX_PARTICLES; i++) {

fireworks[index].particles[i].x =

fireworks[index].x;

fireworks[index].particles[i].y =

fireworks[index].y;

fireworks[index].particles[i].vx = (rand() % 11 -

5) / 10.0;

fireworks[index].particles[i].vy = (rand() % 11 -

10) / 10.0;

fireworks[index].particles[i].brightness = 1.0;

}

}

void InitializeFireworks() {

for (int i = 0; i < MAX_FIREWORKS; i++)

InitializeFirework(i);

}

bool UpdateFirework(int index) {

if (!fireworks[index].exploded) {

fireworks[index].y -= rand() % 6 + 3;

if (fireworks[index].y < screenHeight / 4) {

fireworks[index].exploded = true;

for (int i = 0; i < MAX_PARTICLES; i++) {

fireworks[index].particles[i].vx = 0;

fireworks[index].particles[i].vy = 0;

}

}

return true;

}

else {

bool particleExists = false;

for (int i = 0; i < MAX_PARTICLES; i++)

{

fireworks[index].particles[i].vx *= 0.95;

fireworks[index].particles[i].vy *= 0.95;

fireworks[index].particles[i].x +=

fireworks[index].particles[i].vx;

fireworks[index].particles[i].y +=

fireworks[index].particles[i].vy;

fireworks[index].particles[i].brightness *=

0.975;

if (fireworks[index].particles[i].brightness

0.0)

particleExists = true;

}

fireworks[index].particlesLeft--;

if (fireworks[index].particlesLeft == 0

|| !particleExists) {

InitializeFirework(index);

return false;

}

return true;

}

}

>

void UpdateFireworks() {

for (int i = 0; i < MAX_FIREWORKS; i++)

UpdateFirework(i);

}

void DrawFireworks() {

HBRUSH hBrush;

for (int i = 0; i < MAX_FIREWORKS; i++) {

if (!fireworks[i].exploded) {

hBrush = CreateSolidBrush(fireworks[i].color);

SelectObject(hDCMem, hBrush);

Ellipse(hDCMem, fireworks[i].x - 5,

fireworks[i].y - 5, fireworks[i].x + 5, fireworks[i].y + 5);

DeleteObject(hBrush);

}

else {

for (int j = 0; j < MAX_PARTICLES; j++) {

hBrush = CreateSolidBrush(RGB(255, 255,

255)/*fireworks[i].color*/);

SelectObject(hDCMem, hBrush);

SetPixel(hDCMem,

fireworks[i].particles[j].x, fireworks[i].particles[j].y,

fireworks[i].color*fireworks[i].particles[j].brightness);

DeleteObject(hBrush);

}

}

}

}

DWORD WINAPI UpdateThread(LPVOID lpParam) { while (true) {

UpdateFireworks();

Sleep(10);

}

return 0;

}

int main() {

HWND hWnd = GetDesktopWindow();

HDC hDC = GetDC(hWnd);

screenHeight = GetSystemMetrics(SM_CYSCREEN);

screenWidth = GetSystemMetrics(SM_CXSCREEN);

hDCMem = CreateCompatibleDC(hDC);

hBitmap = CreateCompatibleBitmap(hDC, screenWidth,

screenHeight);

hOldBitmap = (HBITMAP)SelectObject(hDCMem, hBitmap);

InitializeFireworks();

CreateThread(NULL, 0, &UpdateThread, NULL, 0, NULL);

MSG msg;

BOOL bRet;

while ((bRet = GetMessage(&msg, NULL, 0, 0)) != 0) {

if (bRet == -1)

break;

else {

TranslateMessage(&msg);

DispatchMessage(&msg);

DrawFireworks();

BitBlt(hDC, 0, 0, screenWidth, screenHeight,

hDCMem, 0, 0, SRCCOPY);

}

}

SelectObject(hDCMem, hOldBitmap);

DeleteObject(hBitmap);

DeleteDC(hDCMem);

ReleaseDC(hWnd, hDC);

return 0;

}

```

本程序实现了多个烟花同时在屏幕上绽放和消失，其中每个烟花的颜色和位置随机生成。程序的核心算法是利用多线程实现对所有烟花的更新，每个烟花的状态都包括其所处的位置、颜色、烟花粒子等。更新和绘制烟花部分采用了Win32 API图形相关函数，如CreateSolidBrush、SetPixel、BitBlt等。同时为确保程序运行的流畅，程序还包括了多线程相关函数，如CreateThread、Sleep等。

此程序的编写不仅仅是一次有趣的娱乐，同时也具有指导意义，可以帮助初学编程的人更好地了解Win32 API图形和多线程的相关知识，和加强程序员对于算法的理解。同时，通过调整用于生成烟花的

随机数函数和数据的范围，可以让编写者从中更深刻地了解程序逻辑和代码优化。因此，此程序也为初学者提供了一个很好的编程示例。