#include
#include?
#include?
#include?
#include
struct?vec3
{
????float?x;
????float?y;
????float?z;
};

#define?a?-0.00003
#define?PI?acos（-1.0）
#define?BMP_Header_Length?54

double?v=0;
double?x=0;
double?ypos=5;
double?v0=0;
int?t=0;
int?flag=1;
float?xPosition=0;?///相機位置
float?yPosition=6;
float?zPosition=6;
float?radius?=?40.0f;///相機旋轉的長度
float?theta?=?0;///相機旋轉角度
float?thetb?=?40;
float?step=0;///球移動
float?step2=0;
float?step3=0;///太陽旋轉
float?radius2=40;

GLuint?tex1tex2tex3tex4;

int?power_of_two（int?n）
{
????if（?n?<=?0?）
????????return?0;
????return?（n?&?（n-1））?==?0;
}

GLuint?load_texture（const?char*?file_name）
{
????GLint?width?height?total_bytes;
????GLubyte*?pixels?=?0;
????GLuint?last_texture_ID=0?texture_ID?=?0;

????FILE*?pFile?=?fopen（file_name?“rb“）;
????if（?pFile?==?0?）
????????return?0;

????fseek（pFile?0x0012?SEEK_SET）;
????fread（&width?4?1?pFile）;
????fread（&height?4?1?pFile）;
????fseek（pFile?BMP_Header_Length?SEEK_SET）;

????{
????????GLint?line_bytes?=?width?*?3;
????????while（?line_bytes?%?4?!=?0?）
????????????++line_bytes;
????????total_bytes?=?line_bytes?*?height;
????}

????pixels?=?（GLubyte*）malloc（total_bytes）;
????if（?pixels?==?0?）
????{
????????fclose（pFile）;
????????return?0;
????}

????if（?fread（pixels?total_bytes?1?pFile）?<=?0?）
????{
????????free（pixels）;
????????fclose（pFile）;
????????return?0;
????}

????{
????????GLint?max;
????????glGetIntegerv（GL_MAX_TEXTURE_SIZE?&max）;
????????if（?!power_of_two（width）?||?!power_of_two（height）?||?width?>?max?||?height?>?max?）
????????{
????????????const?GLint?new_width?=?256;
????????????const?GLint?new_height?=?256;
????????????GLint?new_line_bytes?new_total_bytes;
????????????GLubyte*?new_pixels?=?0;

????????????new_line_bytes?=?new_width?*?3;
????????????while（?new_line_bytes?%?4?!=?0?）
????????????????++new_line_bytes;
????????????new_total_bytes?=?new_line_bytes?*?new_height;

????????????new_pixels?=?（GLubyte*）malloc（new_total_bytes）;
????????????if（?new_pixels?==?0?）
????????????{
????????????????free（pixels）;
????????????????fclose（pFile）;
????????????????return?0;
????????????}

????????????gluScaleImage（GL_RGB?width?height?GL_UNSIGNED_BYTE?pixelsnew_width?new_height?GL_UNSIGNED_BYTE?new_pixels）;

????????????free（pixels）;
????????????pixels?=?new_pixels;
????????????width?=?new_width;
????????????height?=?new_height;
????????}
????}

????glGenTextures（1?&texture_ID）;
????if（?texture_ID?==?0?）
????{
????????free（pixels）;
????????fclose（pFile）;
????????return?0;
????}

????GLint?lastTextureID=last_texture_ID;
????glGetIntegerv（GL_TEXTURE_BINDING_2D?&lastTextureID）;
????glBindTexture（GL_TEXTURE_2D?texture_ID）;
????glTexParameteri（GL_TEXTURE_2D?GL_TEXTURE_MIN_FILTER?GL_LINEAR）;
????glTexParameteri（GL_TEXTURE_2D?GL_TEXTURE_MAG_FILTER?GL_LINEAR）;
????glTexParameteri

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????1227654??2019-06-19?08:56??籃球場\data\3.bmp

?????文件????2141238??2019-06-20?09:54??籃球場\data\5.bmp

?????文件??????11338??2019-06-21?11:37??籃球場\data\c.png

?????文件????1227654??2019-06-19?08:56??籃球場\HomeWork\bin\data\3.bmp

?????文件????2141238??2019-06-20?09:54??籃球場\HomeWork\bin\data\5.bmp

?????文件??????11338??2019-06-21?11:37??籃球場\HomeWork\bin\data\c.png

?????文件??????55892??2019-06-27?15:27??籃球場\HomeWork\bin\Debug\HomeWork.exe

?????文件???????1447??2019-06-16?12:52??籃球場\HomeWork\HomeWork.cbp

?????文件???????5634??2019-06-27?15:22??籃球場\HomeWork\HomeWork.depend

?????文件????????362??2019-06-27?15:27??籃球場\HomeWork\HomeWork.layout

?????文件??????13019??2019-06-27?15:27??籃球場\HomeWork\main.cpp

?????文件??????23767??2019-06-27?15:27??籃球場\HomeWork\obj\Debug\main.o

?????文件??????55892??2019-06-27?15:26??籃球場\HomeWork.exe

?????文件???37093523??2019-06-27?14:57??籃球場\作品演示.mp4

?????文件??????13019??2019-06-27?15:29??籃球場\源碼.txt

?????文件?????407384??2019-09-06?11:04??籃球場\說明文檔.pdf

?????目錄??????????0??2019-06-27?15:19??籃球場\HomeWork\bin\data

?????目錄??????????0??2019-06-27?15:27??籃球場\HomeWork\bin\Debug

?????目錄??????????0??2019-06-27?15:27??籃球場\HomeWork\obj\Debug

?????目錄??????????0??2019-06-27?15:19??籃球場\HomeWork\bin

?????目錄??????????0??2019-06-27?15:05??籃球場\HomeWork\obj

?????目錄??????????0??2019-06-27?15:26??籃球場\data

?????目錄??????????0??2019-06-27?15:28??籃球場\HomeWork

?????目錄??????????0??2019-09-06?11:04??籃球場

-----------?---------??----------?-----??----

?????????????44430399????????????????????24