#include <windows.h>
#include <gl\gl.h>
#include <gl\glu.h>
#include <gl\glaux.h>
static LPCTSTR lpszAppName = "Solar System";
static HINSTANCE hInstance;
GLfloat whiteLight[] = { 0.2f, 0.2f, 0.2f, 1.0f };
GLfloat sourceLight[] = { 0.8f, 0.8f, 0.8f, 1.0f };
GLfloat lightPos[] = { 0.0f, 0.0f, 0.0f, 1.0f };
float xRot = 0.0f;
float yRot = 0.0f;
inline void glRGB(int x, int y, int z)
{
glColor3ub((GLubyte)x, (GLubyte)y, (GLubyte)z);
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
// í~E~\í~T~L릿 //
void SetDCPixelFormat(HDC hDC)
{
int nPixelFormat;
static PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR), // Size of this structure
1, // Version of this structure
PFD_DRAW_TO_WINDOW | // Draw to Window (not to bitmap)
PFD_SUPPORT_OPENGL | // Support OpenGL calls in window
PFD_DOUBLEBUFFER, // Double buffered
PFD_TYPE_RGBA, // RGBA Color mode
24, // Want 24bit color
0,0,0,0,0,0, // Not used to select mode
0,0, // Not used to select mode
0,0,0,0,0, // Not used to select mode
32, // Size of depth buffer
0, // Not used to select mode
0, // Not used to select mode
PFD_MAIN_PLANE, // Draw in main plane
0, // Not used to select mode
0,0,0 }; // Not used to select mode
// Choose a pixel format that best matches that described in pfd
nPixelFormat = ChoosePixelFormat(hDC, &pfd);
// Set the pixel format for the device context
SetPixelFormat(hDC, nPixelFormat, &pfd);
}
void ChangeSize(GLsizei w, GLsizei h)
{
if(h == 0)
h = 1;
// Set Viewport to window dimensions
glViewport(0, 0, w, h);
// Calculate aspect ratio of the window
GLfloat fAspect = (GLfloat)w/(GLfloat)h;
// Set the perspective coordinate system
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// field of view of 45 degrees, near and far planes 1.0 and 425
gluPerspective(45.0f, fAspect, 1.0, 425.0);
// Modelview matrix reset
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
// í~E~\í~T~L릿 ë~A~] //
void SetupRC()
{
glEnable(GL_DEPTH_TEST);
glFrontFace(GL_CCW);
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, whiteLight);
glLightfv(GL_LIGHT0, GL_DIFFUSE, sourceLight);
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glEnable(GL_LIGHT0);
glEnable(GL_COLOR_MATERIAL);
glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
glShadeModel(GL_SMOOTH);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
}
void RenderScene()
{
static float fFar = -300.0f;
static float fMoonRot = 0.0f;
static float fVenusRot = 0.0f;
static float fEarthRot = 0.0f;
static float fMercuryRot = 0.0f;
static float fMarsRot = 0.0f;
static float fJupiterRot = 0.0f;
static float fSaturnRot = 0.0f;
static float fUranusRot = 0.0f;
static float fNeptuneRot = 0.0f;
static float fPlutoRot = 0.0f;
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
// í~C~\ì~V~Q
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glTranslatef(0.0f, 0.0f, fFar);
glRGB(255,100,0);
auxSolidSphere(30.0f);
glRotatef(xRot, 1.0f, 0.0f, 0.0f);
glRotatef(yRot, 0.0f, 1.0f, 0.0f);
// ì~H~Xì~D±
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glRotatef(fMercuryRot, 0.0f, 1.0f, 0.0f);
glRGB(0,0,255);
glTranslatef(50.0f, 0.0f, 0.0f);
auxSolidSphere(2.0f);
glPopMatrix();
// ê¸~Hì~D±
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glRotatef(fVenusRot, 1.0f, 1.0f, 0.0f);
glRGB(200,100,255);
glTranslatef(0.0f, 0.0f, -70.0f);
auxSolidSphere(5.0f);
glPopMatrix();
// ì§~@구
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glRotatef(fEarthRot, 1.0f, 0.0f, 0.0f);
glRGB(0,255,255);
glTranslatef(0.0f, 0.0f, -90.0f);
auxSolidSphere(6.0f);
// ë~K¬
glRGB(200,200,200);
glRotatef(fMoonRot, 1.0f, 0.0f, 0.0f);
glTranslatef(0.0f, 0.0f, -8.0f);
auxSolidSphere(1.0f);
fMoonRot += 10.0f;
if(fMoonRot > 360.0f)
fMoonRot = 0.0f;
glPopMatrix();
// í~Y~Tì~D±
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glRotatef(fMarsRot, -1.0f, 1.0f, 0.0f);
glRGB(255,0,0);
glTranslatef(0.0f, 0.0f, -110.0f);
auxSolidSphere(4.0f);
glPopMatrix();
// 목ì~D±
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glRotatef(fJupiterRot, 1.0f, -1.0f, 0.0f);
glRGB(255,100,0);
glTranslatef(0.0f, 0.0f, -130.0f);
auxSolidSphere(10.0f);
glPopMatrix();
// í~F| ì~D±
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glRotatef(fSaturnRot, 0.0f, 0.0f, 1.0f);
glRGB(255,100,0);
glTranslatef(160.0f, 0.0f, 0.0f);
auxSolidSphere(9.0f);
glPopMatrix();
// ì²~\ì~Y~Uì~D±
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glRotatef(fUranusRot, 0.0f, 1.0f, 0.0f);
glRGB(255,50,0);
glTranslatef(190.0f, 0.0f, 0.0f);
auxSolidSphere(8.0f);
glPopMatrix();
// í~U´ì~Y~Uì~D±
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glRotatef(fNeptuneRot, 1.0f, 0.0f, 0.0f);
glRGB(0,255,255);
glTranslatef(0.0f, 0.0f, -220.0f);
auxSolidSphere(7.0f);
glPopMatrix();
// ëª~Eì~Y~Uì~D±
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glRotatef(fPlutoRot, 1.0f, 1.0f, 0.0f);
glRGB(255,255,255);
glTranslatef(0.0f, 0.0f, -240.0f);
auxSolidSphere(5.0f);
glPopMatrix();
fMercuryRot += 10.0f;
if(fMercuryRot > 360.0f)
fMercuryRot = 0.0f;
fVenusRot += 9.0f;
if(fVenusRot > 360.0f)
fVenusRot = 0.0f;
fEarthRot += 8.0f;
if(fEarthRot > 360.0f)
fEarthRot = 0.0f;
fMarsRot += 6.0f;
if(fMarsRot > 360.0f)
fMarsRot = 0.0f;
fJupiterRot += 8.0f;
if(fJupiterRot > 360.0f)
fJupiterRot = 0.0f;
fSaturnRot += 9.0f;
if(fSaturnRot > 360.0f)
fSaturnRot = 0.0f;
fUranusRot += 10.0f;
if(fUranusRot > 360.0f)
fUranusRot = 0.0f;
fNeptuneRot += 9.0f;
if(fNeptuneRot > 360.0f)
fNeptuneRot = 0.0f;
fPlutoRot += 8.0f;
if(fPlutoRot > 360.0f)
fPlutoRot = 0.0f;
glPopMatrix();
glFlush();
}
int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
MSG msg;
WNDCLASS wc;
HWND hWnd;
hInstance = hInst;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC) WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName = lpszAppName;
if(RegisterClass(&wc) == 0)
return FALSE;
hWnd = CreateWindow(
lpszAppName,
lpszAppName,
WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
50, 50,
800, 600,
NULL,
NULL,
hInstance,
NULL);
if(hWnd == NULL)
return FALSE;
ShowWindow(hWnd,SW_SHOW);
UpdateWindow(hWnd);
while( GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HGLRC hRC;
static HDC hDC;
switch (message)
{
case WM_CREATE:
hDC = GetDC(hWnd);
SetDCPixelFormat(hDC);
hRC = wglCreateContext(hDC);
wglMakeCurrent(hDC, hRC);
SetupRC();
SetTimer(hWnd, 101, 50, NULL);
break;
case WM_DESTROY:
KillTimer(hWnd, 101);
wglMakeCurrent(hDC,NULL);
wglDeleteContext(hRC);
PostQuitMessage(0);
break;
case WM_SIZE:
ChangeSize(LOWORD(lParam), HIWORD(lParam));
break;
case WM_PAINT:
RenderScene();
SwapBuffers(hDC);
ValidateRect(hWnd,NULL);
break;
case WM_TIMER:
InvalidateRect(hWnd, NULL, FALSE);
break;
case WM_KEYDOWN:
switch(wParam)
{
case VK_UP :
xRot += 5.0f;
break;
case VK_DOWN :
xRot -= 5.0f;
break;
case VK_LEFT :
yRot += 5.0f;
break;
case VK_RIGHT:
yRot -= 5.0f;
break;
}
break;
default:
return (DefWindowProc(hWnd, message, wParam, lParam));
}
return (0L);
}
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