/*
?*		This?Code?Was?Created?By?Jeff?Molofee?2000
?*		A?HUGE?Thanks?To?Fredric?Echols?For?Cleaning?Up
?*		And?Optimizing?This?Code?Making?It?More?Flexible!
?*		If?You‘ve?Found?This?Code?Useful?Please?Let?Me?Know.
?*		Visit?My?Site?At?nehe.gamedev.net
?*/

#include?		//?Header?File?For?Windows
#include?			//?Header?File?For?The?OpenGL32?Library
#include?			//?Header?File?For?The?GLu32?Library
#include?		//?Header?File?For?The?Glaux?Library

HDC			hDC=NULL;		//?Private?GDI?Device?Context
HGLRC		hRC=NULL;		//?Permanent?Rendering?Context
HWND		hWnd=NULL;		//?Holds?Our?Window?Handle
HINSTANCE	hInstance;		//?Holds?The?Instance?Of?The?Application

bool	keys[256];			//?Array?Used?For?The?Keyboard?Routine
bool	active=TRUE;		//?Window?Active?Flag?Set?To?TRUE?By?Default
bool	fullscreen=TRUE;	//?Fullscreen?Flag?Set?To?Fullscreen?Mode?By?Default

LRESULT	CALLBACK?WndProc（HWND?UINT?WPARAM?LPARAM）;	//?Declaration?For?WndProc

GLvoid?ReSizeGLScene（GLsizei?width?GLsizei?height）		//?Resize?And?Initialize?The?GL?Window
{
	if?（height==0）										//?Prevent?A?Divide?By?Zero?By
	{
		height=1;										//?Making?Height?Equal?One
	}

	glViewport（00widthheight）;						//?Reset?The?Current?Viewport

	glMatrixMode（GL_PROJECTION）;						//?Select?The?Projection?Matrix
	glLoadIdentity（）;									//?Reset?The?Projection?Matrix

	//?Calculate?The?Aspect?Ratio?Of?The?Window
	gluPerspective（45.0f（GLfloat）width/（GLfloat）height0.1f100.0f）;

	glMatrixMode（GL_MODELVIEW）;							//?Select?The?Modelview?Matrix
	glLoadIdentity（）;									//?Reset?The?Modelview?Matrix
}

int?InitGL（GLvoid）										//?All?Setup?For?OpenGL?Goes?Here
{
	glShadeModel（GL_SMOOTH）;							//?Enable?Smooth?Shading
	glClearColor（0.0f?0.0f?0.0f?0.5f）;				//?Black?Background
	glClearDepth（1.0f）;									//?Depth?Buffer?Setup
	glEnable（GL_DEPTH_TEST）;							//?Enables?Depth?Testing
	glDepthFunc（GL_LEQUAL）;								//?The?Type?Of?Depth?Testing?To?Do
	glHint（GL_PERSPECTIVE_CORRECTION_HINT?GL_NICEST）;	//?Really?Nice?Perspective?Calculations
	return?TRUE;										//?Initialization?Went?OK
}

int?DrawGLScene（GLvoid）									//?Here‘s?Where?We?Do?All?The?Drawing
{
	glClear（GL_COLOR_BUFFER_BIT?|?GL_DEPTH_BUFFER_BIT）;	//?Clear?Screen?And?Depth?Buffer
	glLoadIdentity（）;									//?Reset?The?Current?Modelview?Matrix
	return?TRUE;										//?Everything?Went?OK
}

GLvoid?KillGLWindow（GLvoid）								//?Properly?Kill?The?Window
{
	if?（fullscreen）										//?Are?We?In?Fullscreen?Mode?
	{
		ChangeDisplaySettings（NULL0）;					//?If?So?Switch?Back?To?The?Desktop
		ShowCursor（TRUE）;								//?Show?Mouse?Pointer
	}

	if?（hRC）											//?Do?We?Have?A?Rendering?Context?
	{
		if?（!wglMakeCurrent（NULLNULL））					//?Are?We?Able?To?Release?The?DC?And?RC?Contexts?
		{
			MessageBox（NULL“Release?Of?DC?And?RC?Failed.““SHUTDOWN?ERROR“MB_OK?|?MB_ICONINFORMATION）;
		}

		if?（!wglDeleteContext（hRC））						//?Are

?屬性????????????大小?????日期????時間???名稱
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