opengl Test

时间：2022-05-12 14:11:28
LIBS += -lGL -lGLU -lglut -lGLEW

 #include <GL/glut.h>

 #include <iostream>

 using namespace std;

 GLfloat light0_position[] = { 1.0, 1.0, 1.0, 0.0 };

 GLuint fogMode[]= { GL_EXP, GL_EXP2, GL_LINEAR };        // 雾气的模式

 GLuint fogfilter= ;                    // 使用哪一种雾气

 GLfloat fogColor[]= {0.5f, 0.5f, 0.5f, 1.0f};        // 雾的颜色设为白色

 void init(void)

 {

     glClearColor(0.5f,0.5f,0.5f,1.0f);

     GLfloat mat_ambient[]= { 0.2, 0.2, 0.2, 1.0 };

     GLfloat mat_diffuse[]= { 0.8, 0.8, 0.8, 1.0 };

     GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };

     GLfloat mat_shininess[] = { 60.0 };

     GLfloat light0_diffuse[]= { 0.0, 0.0, 1.0, 1.0};

 //    GLfloat light0_position[] = { 1.0, 1.0, 1.0, 0.0 };

     GLfloat light1_ambient[]= { 0.2, 0.2, 0.2, 1.0 };

     GLfloat light1_diffuse[]= { 1.0, 0.0, 0.0, 1.0 };

     GLfloat light1_specular[] = { 1.0, 0.6, 0.6, 1.0 };

     GLfloat light1_position[] = { -3.0, -3.0, 3.0, 1.0 };

     GLfloat spot_direction[]={ 1.0,1.0,-1.0};

     GLfloat emitioncolor[] = { 0.0, 1.0, 0.0, 1.0 };

     glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);

     glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);

     glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);

     glMaterialfv(GL_FRONT, GL_SHININESS,mat_shininess);

 //    glMaterialfv(GL_FRONT, GL_EMISSION, emitioncolor);

     glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);

     glLightfv(GL_LIGHT0, GL_POSITION,light0_position);

     glLightfv(GL_LIGHT1, GL_AMBIENT, light1_ambient);

     glLightfv(GL_LIGHT1, GL_DIFFUSE, light1_diffuse);

     glLightfv(GL_LIGHT1, GL_SPECULAR,light1_specular);

     glLightfv(GL_LIGHT1, GL_POSITION,light1_position);

     glLightf (GL_LIGHT1, GL_SPOT_CUTOFF, 30.0);

     glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION,spot_direction);

     glEnable(GL_LIGHTING);

     glEnable(GL_LIGHT0);

     glEnable(GL_LIGHT1);

     glDepthFunc(GL_LESS);

     glEnable(GL_DEPTH_TEST);

     glFogi(GL_FOG_MODE, fogMode[fogfilter]);        // 设置雾气的模式

     glFogfv(GL_FOG_COLOR, fogColor);            // 设置雾的颜色

     glFogf(GL_FOG_DENSITY, 0.55f);            // 设置雾的密度

     glHint(GL_FOG_HINT, GL_NICEST);            // 设置系统如何计算雾气

     glFogf(GL_FOG_START, -10.0f);                // 雾气的开始位置

     glFogf(GL_FOG_END, 10.0f);                // 雾气的结束位置

     glEnable(GL_FOG);                    // 使用雾气

 }

 void display(void)

 {

     GLfloat mat_ambient[]= { 0.2, 0.2, 0.2, 1.0 };

     GLfloat mat_diffuse[]= { 0.8, 0.8, 0.8, 1.0 };

     GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };

     GLfloat mat_shininess[] = { 60.0 };

     GLfloat light0_diffuse[]= { 0.0, 0.0, 1.0, 1.0};

 //    GLfloat light0_position[] = { 1.0, 1.0, 1.0, 0.0 };

     GLfloat light1_ambient[]= { 0.2, 0.2, 0.2, 1.0 };

     GLfloat light1_diffuse[]= { 1.0, 0.0, 0.0, 1.0 };

     GLfloat light1_specular[] = { 1.0, 0.6, 0.6, 1.0 };

     GLfloat light1_position[] = { -3.0, -3.0, 3.0, 1.0 };

     GLfloat spot_direction[]={ 1.0,1.0,-1.0};

     GLfloat emitioncolor[] = { 0.0, 1.0, 0.0, 1.0 };

     glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);

     glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);

     glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);

     glMaterialfv(GL_FRONT, GL_SHININESS,mat_shininess);

 //    glMaterialfv(GL_FRONT, GL_EMISSION, emitioncolor);

     glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);

     glLightfv(GL_LIGHT0, GL_POSITION,light0_position);

     glLightfv(GL_LIGHT1, GL_AMBIENT, light1_ambient);

     glLightfv(GL_LIGHT1, GL_DIFFUSE, light1_diffuse);

     glLightfv(GL_LIGHT1, GL_SPECULAR,light1_specular);

     glLightfv(GL_LIGHT1, GL_POSITION,light1_position);

     glLightf (GL_LIGHT1, GL_SPOT_CUTOFF, 30.0);

     glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION,spot_direction);

     glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER,GL_FALSE);

     glEnable(GL_LIGHTING);

     glEnable(GL_LIGHT0);

     glEnable(GL_LIGHT1);

     glDepthFunc(GL_LESS);

     glEnable(GL_DEPTH_TEST);

     glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

     glPushMatrix();

     glTranslatef(0.5,,);

     glutSolidSphere(1.0,,);

     glPopMatrix();

     glFlush();

 }

 void reshape(int w,int h)

 {

     glViewport(,,(GLsizei)w,(GLsizei)h);

     glMatrixMode(GL_PROJECTION);

     glLoadIdentity();

     if(w<=h)

         glOrtho(-1.5,1.5,-1.5*(GLfloat)h/(GLfloat)w,1.5*(GLfloat)h/(GLfloat)w,-10.0,10.0);

     else

         glOrtho(-1.5*(GLfloat)w/(GLfloat)h,1.5*(GLfloat)w/(GLfloat)h,-1.5,1.5,-10.0,10.0);

     glMatrixMode(GL_MODELVIEW);

     glLoadIdentity();

 }

 void keyAction(unsigned char key,int x,int y)

 {

     switch(key) {

     case 'q' :

         light0_position[]=light0_position[]+;

         break;

     case 'w' :

         light0_position[]=light0_position[]+;

         break;

     case 'e' :

         light0_position[]=light0_position[]+;

         break;

     case 'a' :

         light0_position[]=light0_position[]-;

         break;

     case 's' :

         light0_position[]=light0_position[]-;

         break;

     case 'd' :

         light0_position[]=light0_position[]-;

         break;

     case 't':

         fogfilter++;

         fogfilter=fogfilter%;

         glFogi (GL_FOG_MODE, fogMode[fogfilter]);

         break;

     }

     glutPostRedisplay();

 }

 int main(int argc,char **argv)

 {

     glutInit(&argc,argv);

     glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB|GLUT_DEPTH);

     glutInitWindowSize(,);

     glutInitWindowPosition(,);

     glutCreateWindow("hello,GL");

     init();

     glutDisplayFunc(display);

     glutReshapeFunc(reshape);

     glutKeyboardFunc(keyAction);

     glutMainLoop();

     return ;

 }
#include <GL/glut.h>

#include <iostream>

using namespace std;

GLfloat light0_position[] = { 1.0, 1.0, 1.0, 0.0 };

GLuint fogMode[]= { GL_EXP, GL_EXP2, GL_LINEAR };        // 雾气的模式

GLuint fogfilter= ;                    // 使用哪一种雾气

GLfloat fogColor[]= {0.5f, 0.5f, 0.5f, 1.0f};        // 雾的颜色设为白色

void init(void)

{

    glClearColor(0.5f,0.5f,0.5f,1.0f);

    GLfloat mat_ambient[]= { 0.2, 0.2, 0.2, 1.0 };

    GLfloat mat_diffuse[]= { 0.8, 0.8, 0.8, 1.0 };

    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };

    GLfloat mat_shininess[] = { 60.0 };

    GLfloat light0_diffuse[]= { 0.0, 0.0, 1.0, 1.0};

//    GLfloat light0_position[] = { 1.0, 1.0, 1.0, 0.0 };

    GLfloat light1_ambient[]= { 0.2, 0.2, 0.2, 1.0 };

    GLfloat light1_diffuse[]= { 1.0, 0.0, 0.0, 1.0 };

    GLfloat light1_specular[] = { 1.0, 0.6, 0.6, 1.0 };

    GLfloat light1_position[] = { -3.0, -3.0, 3.0, 1.0 };

    GLfloat spot_direction[]={ 1.0,1.0,-1.0};

    GLfloat emitioncolor[] = { 0.0, 1.0, 0.0, 1.0 };

    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS,mat_shininess);

//    glMaterialfv(GL_FRONT, GL_EMISSION, emitioncolor);

    glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);

    glLightfv(GL_LIGHT0, GL_POSITION,light0_position);

    glLightfv(GL_LIGHT1, GL_AMBIENT, light1_ambient);

    glLightfv(GL_LIGHT1, GL_DIFFUSE, light1_diffuse);

    glLightfv(GL_LIGHT1, GL_SPECULAR,light1_specular);

    glLightfv(GL_LIGHT1, GL_POSITION,light1_position);

    glLightf (GL_LIGHT1, GL_SPOT_CUTOFF, 30.0);

    glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION,spot_direction);

    glEnable(GL_LIGHTING);

    glEnable(GL_LIGHT0);

    glEnable(GL_LIGHT1);

    glDepthFunc(GL_LESS);

    glEnable(GL_DEPTH_TEST);

    glFogi(GL_FOG_MODE, fogMode[fogfilter]);        // 设置雾气的模式

    glFogfv(GL_FOG_COLOR, fogColor);            // 设置雾的颜色

    glFogf(GL_FOG_DENSITY, 0.55f);            // 设置雾的密度

    glHint(GL_FOG_HINT, GL_NICEST);            // 设置系统如何计算雾气

    glFogf(GL_FOG_START, -10.0f);                // 雾气的开始位置

    glFogf(GL_FOG_END, 10.0f);                // 雾气的结束位置

    glEnable(GL_FOG);                    // 使用雾气

}

void display(void)

{

    GLfloat mat_ambient[]= { 0.2, 0.2, 0.2, 1.0 };

    GLfloat mat_diffuse[]= { 0.8, 0.8, 0.8, 1.0 };

    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };

    GLfloat mat_shininess[] = { 60.0 };

    GLfloat light0_diffuse[]= { 0.0, 0.0, 1.0, 1.0};

//    GLfloat light0_position[] = { 1.0, 1.0, 1.0, 0.0 };

    GLfloat light1_ambient[]= { 0.2, 0.2, 0.2, 1.0 };

    GLfloat light1_diffuse[]= { 1.0, 0.0, 0.0, 1.0 };

    GLfloat light1_specular[] = { 1.0, 0.6, 0.6, 1.0 };

    GLfloat light1_position[] = { -3.0, -3.0, 3.0, 1.0 };

    GLfloat spot_direction[]={ 1.0,1.0,-1.0};

    GLfloat emitioncolor[] = { 0.0, 1.0, 0.0, 1.0 };

    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS,mat_shininess);

//    glMaterialfv(GL_FRONT, GL_EMISSION, emitioncolor);

    glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);

    glLightfv(GL_LIGHT0, GL_POSITION,light0_position);

    glLightfv(GL_LIGHT1, GL_AMBIENT, light1_ambient);

    glLightfv(GL_LIGHT1, GL_DIFFUSE, light1_diffuse);

    glLightfv(GL_LIGHT1, GL_SPECULAR,light1_specular);

    glLightfv(GL_LIGHT1, GL_POSITION,light1_position);

    glLightf (GL_LIGHT1, GL_SPOT_CUTOFF, 30.0);

    glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION,spot_direction);

    glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER,GL_FALSE);

    glEnable(GL_LIGHTING);

    glEnable(GL_LIGHT0);

    glEnable(GL_LIGHT1);

    glDepthFunc(GL_LESS);

    glEnable(GL_DEPTH_TEST);

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

    glTranslatef(0.5,,);

    glutSolidSphere(1.0,,);

    glPopMatrix();

    glFlush();

}

void reshape(int w,int h)

{

    glViewport(,,(GLsizei)w,(GLsizei)h);

    glMatrixMode(GL_PROJECTION);

    glLoadIdentity();

    if(w<=h)

        glOrtho(-1.5,1.5,-1.5*(GLfloat)h/(GLfloat)w,1.5*(GLfloat)h/(GLfloat)w,-10.0,10.0);

    else

        glOrtho(-1.5*(GLfloat)w/(GLfloat)h,1.5*(GLfloat)w/(GLfloat)h,-1.5,1.5,-10.0,10.0);

    glMatrixMode(GL_MODELVIEW);

    glLoadIdentity();

}

void keyAction(unsigned char key,int x,int y)

{

    switch(key) {

    case 'q' :

        light0_position[]=light0_position[]+;

        break;

    case 'w' :

        light0_position[]=light0_position[]+;

        break;

    case 'e' :

        light0_position[]=light0_position[]+;

        break;

    case 'a' :

        light0_position[]=light0_position[]-;

        break;

    case 's' :

        light0_position[]=light0_position[]-;

        break;

    case 'd' :

        light0_position[]=light0_position[]-;

        break;

    case 't':

        fogfilter++;

        fogfilter=fogfilter%;

        glFogi (GL_FOG_MODE, fogMode[fogfilter]);

        break;

    }

    glutPostRedisplay();

}

int main(int argc,char **argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB|GLUT_DEPTH);

    glutInitWindowSize(,);

    glutInitWindowPosition(,);

    glutCreateWindow("hello,GL");

    init();

    glutDisplayFunc(display);

    glutReshapeFunc(reshape);

    glutKeyboardFunc(keyAction);

    glutMainLoop();

    return ;

}

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