opengl实验四【太阳系】

1、 学院 专业 班 学号 姓名： 教师评定： #include <stdlib.h>#include <GL/glut.h>#include <GL/glaux.h>#include <stdio.h>#include <math.h>#pragma comment(lib,"glaux.lib") /将glaux.lib连接到工程enum /枚举鼠标变量 BUTTON_LEFT ,/鼠标左键;int mButton = -1;int mOldY, mOldX;float z=0,c=0; float eye3 =

2、0.0f, 0.0f, 2.0f; /观察视角float rot3 = 45.0f, 45.0f, 0.0f; /旋转变量const int GL_WIN_WIDTH = 800; /窗口大小const int GL_WIN_HEIGHT = 600;const int GL_WIN_INITIAL_X = 0;const int GL_WIN_INITIAL_Y = 0;const int n = 1000,m=20;const float R = 1.2f,r=0.15f;/半径const float Pi = 3.1415926536f;GLuint g_TexturesArray7;/

3、纹理指针int iMode=1;void ProcessMenu(int value)/弹出处理函数iMode=value;glutPostRedisplay();/强制刷新显示void CreatePopMenu()/生成弹出式菜单函数int nMainMenu;/主菜单变量nMainMenu=glutCreateMenu(ProcessMenu);/生成一个主菜单并指定菜单处理函数glutAddMenuEntry("填充",1);/添加一个主菜单glutAddMenuEntry("轮廓",2);/添加一个主菜单glutAttachMenu(GLUT_

4、RIGHT_BUTTON);/指定激活菜单的鼠标右键bool LoadBMP(char *filename, GLuint &texture) /调贴图大小为2的幂 AUX_RGBImageRec *pImage = NULL; pImage = auxDIBImageLoad(filename); / 装入位图 if(pImage = NULL)return false; / 位图没装入返回错误 glGenTextures(1, &texture); / 生成贴图(纹理) glBindTexture (GL_TEXTURE_2D,texture);/ 捆绑贴图(纹理) glu

5、Build2DMipmaps(GL_TEXTURE_2D,4, /建立图形 pImage->sizeX, / 图形宽pImage->sizeX pImage->sizeY, / 图形高pImage->sizeY, GL_RGB, GL_UNSIGNED_BYTE, pImage->data / 图形数据 ); free(pImage->data); / 释放位图数据占据的内存资源 free(pImage); return true; / 返回成功void Init() glEnable(GL_DEPTH_TEST); /开启深度缓冲 glClearColor

6、(0.0,0.0,0.0,1.0); glEnable(GL_TEXTURE_2D);/启用二维文理 /-载入图片- LoadBMP("data/11.bmp",g_TexturesArray0); LoadBMP("data/12.bmp",g_TexturesArray1); LoadBMP("data/13.bmp",g_TexturesArray2); LoadBMP("data/14.bmp",g_TexturesArray3); LoadBMP("data/15.bmp",g_Tex

7、turesArray4); LoadBMP("data/16.bmp",g_TexturesArray5); LoadBMP("data/17.bmp",g_TexturesArray6);void glutResize(int width, int height)/重置OpenGL窗口大小 glViewport(0, 0, width, height); /重置当前视口 glMatrixMode(GL_PROJECTION); /选择投影矩阵 glLoadIdentity(); /重置投影矩阵 gluPerspective(45.0, (float)w

8、idth/(float)height, 1.0, 300.0);/设置视口大小void glutDisplay(void) /显示函数 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);/表示物体的前向和后向面用填充面显示glPushMatrix(); /入栈 glTranslatef (-eye0, -eye1, -10); /视口 glBindTexture(GL_TEXTURE_2D, g_TexturesArray0); /-背景- glBegin(

9、GL_QUADS); glTexCoord2f(1.0f, 0.0f); glVertex3f(8,-8,0); glTexCoord2f(1.0f, 1.0f); glVertex3f(8,8,0); glTexCoord2f(0.0f, 1.0f); glVertex3f(-8,8,0); glTexCoord2f(0.0f, 0.0f); glVertex3f(-8,-8,0); glEnd();glPopMatrix(); /出栈glPushMatrix(); /入栈 glTranslatef (-eye0, -eye1, -eye2); glRotatef(rot0, 1.0f, 0

10、.0f, 0.0f); glRotatef(rot1, 0.0f, 1.0f, 0.0f); glRotatef(rot2, 0.0f, 0.0f, 1.0f);/-太阳-if(iMode=1) GLUquadricObj * quadric1; /建立一个曲面对象指针 quadric1 = gluNewQuadric(); /建立一个曲面对象指针 gluQuadricTexture(quadric1,GLU_TRUE); /建立纹理坐标 gluQuadricDrawStyle(quadric1,GLU_FILL); /用面填充绘制场景 glBindTexture(GL_TEXTURE_2D,

11、 g_TexturesArray1);/绑定纹理 gluSphere(quadric1,0.3f,64,64);/画一个填充太阳 else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.3f,32,32);/画一个线条太阳 glEnable(GL_TEXTURE_2D);/启用纹理/-土星公转轨道 - glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glBegin(GL_LINE_LOOP); for(int j

12、=0; j<n; j+) glVertex3f(R*cos(2*Pi/n*j),0,R*sin(2*Pi/n*j); glEnd(); glEnable(GL_TEXTURE_2D);/启用纹理/-地球公转轨道- glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glBegin(GL_LINE_LOOP); for(j=0; j<n; j+) glVertex3f(0.7*cos(2*Pi/n*j),0,0.7*sin(2*Pi/n*j); glEnd(); glEnable(GL_TEXTURE_2D);/启用纹理/-土

13、星-glPushMatrix();/入栈 glRotatef(z, 0.0f, 1.0f, 0.0f); glTranslatef (1.2, 0, 0);glPushMatrix(); /入栈 glRotatef(c, 0.0f, 1.0f, 0.0f); glRotatef(90, 1.0f, 0.0f, 0.0f);if(iMode=1) GLUquadricObj * quadric2; /建立一个曲面对象指针 quadric2 = gluNewQuadric(); /建立一个曲面对象指针 gluQuadricTexture(quadric2,GLU_TRUE); /建立纹理坐标 gl

14、uQuadricDrawStyle(quadric2,GLU_FILL); /用面填充绘制场景 glBindTexture(GL_TEXTURE_2D, g_TexturesArray2);/绑定纹理 gluSphere(quadric2,0.12f,64,64);/画一个填充土星else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.12f,25,25);/画一个线条土星 glEnable(GL_TEXTURE_2D);/启用纹理glPopMatrix(); /出栈/-土

15、星一号卫星 - glPushMatrix();/入栈 glRotatef(c, 0.0f, 0.0f, 1.0f); glTranslatef (0.25, 0, 0);if(iMode=1) GLUquadricObj * quadric3; /建立一个曲面对象指针 quadric3 = gluNewQuadric(); /建立一个曲面对象指针 gluQuadricTexture(quadric3,GLU_TRUE); /建立纹理坐标 gluQuadricDrawStyle(quadric3,GLU_FILL); /用面填充绘制场景 glBindTexture(GL_TEXTURE_2D,

16、g_TexturesArray3);/绑定纹理 gluSphere(quadric3,0.03f,64,64);/画一个填充卫星else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.03f,25,25);/画一个线条卫星 glEnable(GL_TEXTURE_2D);/启用纹理glPopMatrix();/出栈/-土星一号卫星轨道- glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glBegin(GL_LIN

17、E_LOOP); for(j=0; j<n; j+) glVertex3f(0.25*cos(2*Pi/n*j),0.25*sin(2*Pi/n*j),0); glEnd(); glEnable(GL_TEXTURE_2D); /启用纹理/-土星二号卫星-glPushMatrix(); /入栈 glRotatef(c, 1.0f, 0.0f, 0.0f); glTranslatef (0, 0, 0.25);if(iMode=1) GLUquadricObj * quadric4; /建立一个曲面对象指针 quadric4 = gluNewQuadric(); /建立一个曲面对象指针 g

18、luQuadricTexture(quadric4,GLU_TRUE); /建立纹理坐标 gluQuadricDrawStyle(quadric4,GLU_FILL); /用面填充绘制场景 glBindTexture(GL_TEXTURE_2D, g_TexturesArray4);/绑定纹理 gluSphere(quadric4,0.03f,64,64);/画一个填充卫星else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.03f,25,25);/画一个线条卫星 glE

19、nable(GL_TEXTURE_2D);/启用纹理glPopMatrix();/出栈/-土星二号卫星轨道- glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glBegin(GL_LINE_LOOP); for(j=0; j<n; j+) glVertex3f(0,0.25*cos(2*Pi/n*j),0.25*sin(2*Pi/n*j); glEnd(); glEnable(GL_TEXTURE_2D);/启用纹理/-土星的行星环- glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1

20、.0,1.0); for(int i=0; i<m; i+) glBegin(GL_LINE_LOOP); for(int j=0; j<n; j+) glVertex3f(r+i*0.004)*cos(2*Pi/n*j),0,(r+i*0.004)*sin(2*Pi/n*j); glEnd(); glEnable(GL_TEXTURE_2D); /启用纹理glPopMatrix();/出栈/-地球-glPushMatrix();/入栈 glRotatef(z*2, 0.0f, 1.0f, 0.0f); glTranslatef (0, 0, 0.7);glPushMatrix()

21、; /入栈 glRotatef(c, 0.0f, 1.0f, 0.0f); glRotatef(-90, 1.0f, 0.0f, 0.0f);if(iMode=1) GLUquadricObj * quadric5; /建立一个曲面对象指针 quadric5 = gluNewQuadric(); /建立一个曲面对象指针 gluQuadricTexture(quadric5,GLU_TRUE); /建立纹理坐标 gluQuadricDrawStyle(quadric5,GLU_FILL); /用面填充绘制场景 glBindTexture(GL_TEXTURE_2D, g_TexturesArra

22、y5);/绑定纹理 gluSphere(quadric5,0.1f,64,64);/画一个填充地球else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.1f,25,25);/画一个线条地球 glEnable(GL_TEXTURE_2D);/启用纹理glPopMatrix(); /出栈/-月亮-glPushMatrix();/入栈 glRotatef(c, 1.0f, 0.0f, 0.0f); glTranslatef (0, 0, 0.15);if(iMode=1) GL

23、UquadricObj * quadric6; /建立一个曲面对象指针 quadric6 = gluNewQuadric(); /建立一个曲面对象指针 gluQuadricTexture(quadric6,GLU_TRUE); /建立纹理坐标 gluQuadricDrawStyle(quadric6,GLU_FILL); /用面填充绘制场景 glBindTexture(GL_TEXTURE_2D, g_TexturesArray6);/绑定纹理 gluSphere(quadric6,0.025f,64,64);/画一个填充月亮else if(iMode=2) glDisable(GL_TEXT

24、URE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.025f,25,25);/画一个线条月亮 glEnable(GL_TEXTURE_2D);/启用纹理glPopMatrix();/出栈/-月亮轨道- glDisable(GL_TEXTURE_2D);/取消纹理 glColor3f(1.0,1.0,1.0); glBegin(GL_LINE_LOOP); for(j=0; j<n; j+) glVertex3f(0,0.15*cos(2*Pi/n*j),0.15*sin(2*Pi/n*j); glEnd(); glEnable(G

25、L_TEXTURE_2D); /启用纹理glPopMatrix();/出栈 z+=0.05; c+=0.3;glPopMatrix();/出栈 glFlush(); glutSwapBuffers();void clamp(float *v) int i; for (i = 0; i < 3; i +) /图像旋转一周后回到原地 if (vi > 360 | vi < -360) vi = 0;void glutMotion(int x, int y) /图像移动函数 if (mButton = BUTTON_LEFT) /按下左键时可以任意旋转图像 rot0 -= (mOldY - y); rot1 -= (mOldX - x); clamp (rot); mOldX = x; mOldY = y;void glutMouse(int