opengl實驗四【太陽系】

1、 學院 專業(yè) 班 學號 姓名： 教師評定： #include <stdlib.h>#include <GL/glut.h>#include <GL/glaux.h>#include <stdio.h>#include <math.h>#pragma comment(lib,"glaux.lib") /將glaux.lib連接到工程enum /枚舉鼠標變量 BUTTON_LEFT ,/鼠標左鍵;int mButton = -1;int mOldY, mOldX;float z=0,c=0; float eye3 =

2、0.0f, 0.0f, 2.0f; /觀察視角float rot3 = 45.0f, 45.0f, 0.0f; /旋轉(zhuǎn)變量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;/半徑const float Pi = 3.1415926536f;GLuint g_TexturesArray7;/

3、紋理指針int iMode=1;void ProcessMenu(int value)/彈出處理函數(shù)iMode=value;glutPostRedisplay();/強制刷新顯示void CreatePopMenu()/生成彈出式菜單函數(shù)int nMainMenu;/主菜單變量nMainMenu=glutCreateMenu(ProcessMenu);/生成一個主菜單并指定菜單處理函數(shù)glutAddMenuEntry("填充",1);/添加一個主菜單glutAddMenuEntry("輪廓",2);/添加一個主菜單glutAttachMenu(GLUT_

4、RIGHT_BUTTON);/指定激活菜單的鼠標右鍵bool LoadBMP(char *filename, GLuint &texture) /調(diào)貼圖大小為2的冪 AUX_RGBImageRec *pImage = NULL; pImage = auxDIBImageLoad(filename); / 裝入位圖 if(pImage = NULL)return false; / 位圖沒裝入返回錯誤 glGenTextures(1, &texture); / 生成貼圖(紋理) glBindTexture (GL_TEXTURE_2D,texture);/ 捆綁貼圖(紋理) glu

5、Build2DMipmaps(GL_TEXTURE_2D,4, /建立圖形 pImage->sizeX, / 圖形寬pImage->sizeX pImage->sizeY, / 圖形高pImage->sizeY, GL_RGB, GL_UNSIGNED_BYTE, pImage->data / 圖形數(shù)據(jù) ); free(pImage->data); / 釋放位圖數(shù)據(jù)占據(jù)的內(nèi)存資源 free(pImage); return true; / 返回成功void Init() glEnable(GL_DEPTH_TEST); /開啟深度緩沖 glClearColor

6、(0.0,0.0,0.0,1.0); glEnable(GL_TEXTURE_2D);/啟用二維文理 /-載入圖片- 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); /重置當前視口 glMatrixMode(GL_PROJECTION); /選擇投影矩陣 glLoadIdentity(); /重置投影矩陣 gluPerspective(45.0, (float)w

8、idth/(float)height, 1.0, 300.0);/設(shè)置視口大小void glutDisplay(void) /顯示函數(shù) glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);/表示物體的前向和后向面用填充面顯示glPushMatrix(); /入棧 glTranslatef (-eye0, -eye1, -10); /視口 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(); /出棧glPushMatrix(); /入棧 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);/-太陽-if(iMode=1) GLUquadricObj * quadric1; /建立一個曲面對象指針 quadric1 = gluNewQuadric(); /建立一個曲面對象指針 gluQuadricTexture(quadric1,GLU_TRUE); /建立紋理坐標 gluQuadricDrawStyle(quadric1,GLU_FILL); /用面填充繪制場景 glBindTexture(GL_TEXTURE_2D,

11、 g_TexturesArray1);/綁定紋理 gluSphere(quadric1,0.3f,64,64);/畫一個填充太陽 else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消紋理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.3f,32,32);/畫一個線條太陽 glEnable(GL_TEXTURE_2D);/啟用紋理/-土星公轉(zhuǎn)軌道 - glDisable(GL_TEXTURE_2D);/取消紋理 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);/啟用紋理/-地球公轉(zhuǎn)軌道- glDisable(GL_TEXTURE_2D);/取消紋理 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);/啟用紋理/-土

13、星-glPushMatrix();/入棧 glRotatef(z, 0.0f, 1.0f, 0.0f); glTranslatef (1.2, 0, 0);glPushMatrix(); /入棧 glRotatef(c, 0.0f, 1.0f, 0.0f); glRotatef(90, 1.0f, 0.0f, 0.0f);if(iMode=1) GLUquadricObj * quadric2; /建立一個曲面對象指針 quadric2 = gluNewQuadric(); /建立一個曲面對象指針 gluQuadricTexture(quadric2,GLU_TRUE); /建立紋理坐標 gl

14、uQuadricDrawStyle(quadric2,GLU_FILL); /用面填充繪制場景 glBindTexture(GL_TEXTURE_2D, g_TexturesArray2);/綁定紋理 gluSphere(quadric2,0.12f,64,64);/畫一個填充土星else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消紋理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.12f,25,25);/畫一個線條土星 glEnable(GL_TEXTURE_2D);/啟用紋理glPopMatrix(); /出棧/-土

15、星一號衛(wèi)星 - glPushMatrix();/入棧 glRotatef(c, 0.0f, 0.0f, 1.0f); glTranslatef (0.25, 0, 0);if(iMode=1) GLUquadricObj * quadric3; /建立一個曲面對象指針 quadric3 = gluNewQuadric(); /建立一個曲面對象指針 gluQuadricTexture(quadric3,GLU_TRUE); /建立紋理坐標 gluQuadricDrawStyle(quadric3,GLU_FILL); /用面填充繪制場景 glBindTexture(GL_TEXTURE_2D,

16、g_TexturesArray3);/綁定紋理 gluSphere(quadric3,0.03f,64,64);/畫一個填充衛(wèi)星else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消紋理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.03f,25,25);/畫一個線條衛(wèi)星 glEnable(GL_TEXTURE_2D);/啟用紋理glPopMatrix();/出棧/-土星一號衛(wèi)星軌道- glDisable(GL_TEXTURE_2D);/取消紋理 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); /啟用紋理/-土星二號衛(wèi)星-glPushMatrix(); /入棧 glRotatef(c, 1.0f, 0.0f, 0.0f); glTranslatef (0, 0, 0.25);if(iMode=1) GLUquadricObj * quadric4; /建立一個曲面對象指針 quadric4 = gluNewQuadric(); /建立一個曲面對象指針 g

18、luQuadricTexture(quadric4,GLU_TRUE); /建立紋理坐標 gluQuadricDrawStyle(quadric4,GLU_FILL); /用面填充繪制場景 glBindTexture(GL_TEXTURE_2D, g_TexturesArray4);/綁定紋理 gluSphere(quadric4,0.03f,64,64);/畫一個填充衛(wèi)星else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消紋理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.03f,25,25);/畫一個線條衛(wèi)星 glE

19、nable(GL_TEXTURE_2D);/啟用紋理glPopMatrix();/出棧/-土星二號衛(wèi)星軌道- glDisable(GL_TEXTURE_2D);/取消紋理 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);/啟用紋理/-土星的行星環(huán)- glDisable(GL_TEXTURE_2D);/取消紋理 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); /啟用紋理glPopMatrix();/出棧/-地球-glPushMatrix();/入棧 glRotatef(z*2, 0.0f, 1.0f, 0.0f); glTranslatef (0, 0, 0.7);glPushMatrix()

21、; /入棧 glRotatef(c, 0.0f, 1.0f, 0.0f); glRotatef(-90, 1.0f, 0.0f, 0.0f);if(iMode=1) GLUquadricObj * quadric5; /建立一個曲面對象指針 quadric5 = gluNewQuadric(); /建立一個曲面對象指針 gluQuadricTexture(quadric5,GLU_TRUE); /建立紋理坐標 gluQuadricDrawStyle(quadric5,GLU_FILL); /用面填充繪制場景 glBindTexture(GL_TEXTURE_2D, g_TexturesArra

22、y5);/綁定紋理 gluSphere(quadric5,0.1f,64,64);/畫一個填充地球else if(iMode=2) glDisable(GL_TEXTURE_2D);/取消紋理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.1f,25,25);/畫一個線條地球 glEnable(GL_TEXTURE_2D);/啟用紋理glPopMatrix(); /出棧/-月亮-glPushMatrix();/入棧 glRotatef(c, 1.0f, 0.0f, 0.0f); glTranslatef (0, 0, 0.15);if(iMode=1) GL

23、UquadricObj * quadric6; /建立一個曲面對象指針 quadric6 = gluNewQuadric(); /建立一個曲面對象指針 gluQuadricTexture(quadric6,GLU_TRUE); /建立紋理坐標 gluQuadricDrawStyle(quadric6,GLU_FILL); /用面填充繪制場景 glBindTexture(GL_TEXTURE_2D, g_TexturesArray6);/綁定紋理 gluSphere(quadric6,0.025f,64,64);/畫一個填充月亮else if(iMode=2) glDisable(GL_TEXT

24、URE_2D);/取消紋理 glColor3f(1.0,1.0,1.0); glutWireSphere(0.025f,25,25);/畫一個線條月亮 glEnable(GL_TEXTURE_2D);/啟用紋理glPopMatrix();/出棧/-月亮軌道- glDisable(GL_TEXTURE_2D);/取消紋理 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); /啟用紋理glPopMatrix();/出棧 z+=0.05; c+=0.3;glPopMatrix();/出棧 glFlush(); glutSwapBuffers();void clamp(float *v) int i; for (i = 0; i < 3; i +) /圖像旋轉(zhuǎn)一周后回到原地 if (vi > 360 | vi < -360) vi = 0;void glutMotion(int x, int y) /圖像移動函數(shù) if (mButton = BUTTON_LEFT) /按下左鍵時可以任意旋轉(zhuǎn)圖像 rot0 -= (mOldY - y); rot1 -= (mOldX - x); clamp (rot); mOldX = x; mOldY = y;void glutMouse(int