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    發(fā)布日期: 2021-06-08
  • 語(yǔ)言: 其他
  • 標(biāo)簽: opengl??

資源簡(jiǎn)介

帶紋理的茶壺,opengl實(shí)現(xiàn),opengl入門(mén)級(jí)別代碼

資源截圖

代碼片段和文件信息

#include?
#include?
#include?
#include?

void?myinit(void);
void?CALLBACK?display(void);
void?CALLBACK?reshape(GLsizei?wGLsizei?h);

//??定義一個(gè)一維紋理的數(shù)據(jù),從生成來(lái)看,保持紅色、蘭色分量255(MAX),
//??所以是漸變的紫色紋理,飽和度不斷變化。
#define?TEXTUREWIDTH?64
GLubyte?Texture[3*TEXTUREWIDTH];
void?makeTexture(void)
{
????int?i;
????for(i=0;i????{
????????Texture[3*i]?=255;
????????Texture[3*i+1]?=255-2*i;
????????Texture[3*i+2]?=255;
????}
}
GLfloat?sgenparams[]={1.01.01.00.0};

void?myinit(void)
{
????auxInitDisplayMode(AUX_SINGLE|AUX_RGBA);
????auxInitPosition(00500500);
????auxInitWindow(“sample1“);
????glClearColor(0.00.00.00.0);
????glClear(GL_COLOR_BUFFER_BIT);
????//??創(chuàng)建紋理
????makeTexture();
????glPixelStorei(GL_UNPACK_ALIGNMENT1);
????//??控制紋理
????glTexEnvf(GL_TEXTURE_ENVGL_TEXTURE_ENV_MODEGL_MODULATE);
????glTexParameterf(GL_TEXTURE_1DGL_TEXTURE_WRAP_SGL_REPEAT);
????glTexParameterf(GL_TEXTURE_1DGL_TEXTURE_MAG_FILTERGL_LINEAR);
????glTexParameterf(GL_TEXTURE_1DGL_TEXTURE_MIN_FILTERGL_LINEAR);
????glTexImage1D(GL_TEXTURE_1D03TEXTUREWIDTH0
????????????????GL_RGBGL_UNSIGNED_BYTETexture);
????//??唯一與前面例子不同的地方:?jiǎn)⒂眉y理坐標(biāo)自動(dòng)產(chǎn)生,生成環(huán)境紋理
????//??紋理的方向S
????glTexGeni(GL_SGL_TEXTURE_GEN_MODEGL_object_LINEAR);
????glTexGenfv(GL_SGL_object_PLANEsgenparams);
????//??啟用紋理
????glEnable(GL_TEXTURE_1D);
????glEnable(GL_TEXTURE_GEN_S);

????//??啟用消隱
????glEnable(GL_DEPTH_TEST);
????glDepthFunc(GL_LESS);
????glDepthFunc(GL_LESS);

????//??一些繪圖控制,詳細(xì)可參閱VC5聯(lián)機(jī)幫助
????glEnable(GL_CULL_FACE);
????glEnable(GL_LIGHTING);
????glEnable(GL_LIGHT0);
????glEnable(GL_AUTO_NORMAL);
????glEnable(GL_NORMALIZE);
????glFrontFace(GL_CW);
????glCullFace(GL_BACK);
????glMaterialf(GL_FRONTGL_SHININESS64.0);
????//??glShadeModel(GL_FLAT);
}

void?CALLBACK?reshape(GLsizei?wGLsizei?h)
{

????glViewport(00wh);
????glMatrixMode(GL_PROJECTION);
????glLoadIdentity();

????if(w<=h)
????????glOrtho(-4.04.0-4.0*(GLfloat)h/(GLfloat)w
???????????4.0*(GLfloat)h/(GLfloat)w-4.04.0);
????else
????????glOrtho(-4.0*(GLfloat)h/(GLfloat)w
????????????4.0*(GLfloat)h/(GLfloat)w-4.04.0-4.04.0);
????glMatrixMode(GL_MODELVIEW);
????glLoadIdentity();
}

void?CALLBACK?display(void)
{
????glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
????glPushMatrix();
????glRotatef(30.01.00.00.0);
????//??利用輔助庫(kù)函數(shù)繪制一個(gè)茶壺
????auxSolidTeapot(1.5);
????glPopMatrix();
????glFlush();
}

void?main(void)
{
????myinit();
????auxReshapeFunc(reshape);
????auxMainLoop(display);
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????3515??1999-12-04?01:37??帶紋理的茶壺\Exam02.dsp

?????文件????????537??1999-12-04?01:37??帶紋理的茶壺\Exam02.dsw

?????文件??????41984??2006-01-11?11:28??帶紋理的茶壺\Exam02.ncb

?????文件??????53760??2006-01-11?11:28??帶紋理的茶壺\Exam02.opt

?????文件???????1070??1999-12-04?01:37??帶紋理的茶壺\Exam02.plg

?????文件???????2733??1999-11-26?07:39??帶紋理的茶壺\Texture.c

?????目錄??????????0??2006-01-11?11:28??帶紋理的茶壺

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

???????????????103817????????????????????8


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