opengl實驗四【太陽系】

1、實用標準/將glaux.lib連接到工程/枚舉鼠標變量/觀察視角旋轉(zhuǎn)變量/窗口大小廢才N4/多學院 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") enumBUTTON_LEFT , 鼠標左鍵；int mButton = -1;int mOldY, mOldX;float z=0,c

2、=0;float eye3 = 0.0f, 0.0f, 2.0f;float rot3 = 45.0f, 45.0f, 0.0f; /const int GL_WIN_WIDTH = 800;const int GL_WIN_HEIGHT = 600;const int GL_WIN_INITIAL_X = 0;文檔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_TexturesArray

3、7;/ 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;/ 主菜單變量生成一個主菜單并指定nMainMenu=glutCreateMenu(ProcessMenu);/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glutA

4、ttachMenu(GLUT_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 )glBindT exture (GL_TEXTURE_2D,texture)

5、;/ 捆綁貼圖(紋理 )gluBuild2DMipmaps(GL_TEXTURE_2D,4, / 建立圖形pImage->sizeX,/ 圖形寬pImage->sizeXpImage->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glClearCol

6、or(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_Textur

7、esArray4);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/ 重置投影矩陣/ 選擇投影矩陣glMatrixMode(GL_PROJECTION);glLoadIdentity();gluPerspective(45.0, (float)width/

8、(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glBindT exture(GL_TEXTURE_2D, g_TexturesArray0);glBegin(GL_QUADS);g

9、lTexCoord2f(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, 0.0f, 0.0f);glRotat

10、ef(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glBindT exture(GL_TEXTURE_2D, g_TexturesArray1);/ 綁

11、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=0; j<n; j+)glVertex3f(R*

12、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/ 土星 glPushMatrix();/ 入棧glRotatef(z, 0.

13、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gluQuadricDrawStyle(quadric2,GLU_FILL); / 用

14、面填充繪制場景glBindT exture(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/ 土星一號衛(wèi)星glPushMatrix();/ 入棧glRotatef(c, 0.

15、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glBindT exture(GL_TEXTURE_2D, g_TexturesArray3);/ 綁定紋理gluSphere(quadric3,0.

16、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_LINE_LOOP);for(j=0; j<n; j+)glVertex3f(0.25*cos

17、(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gluQuadricTexture(quadric4,GLU_TRUE);/ 建立紋理坐標gluQuadri

18、cDrawStyle(quadric4,GLU_FILL); / 用面填充繪制場景glBindT exture(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glEnable(GL_TEXTURE_2D);/ 啟用紋理glPopMatrix();/ 出棧/ 土星二號衛(wèi)星軌

19、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(1.0,1.0,1.0);for(int i=0; i<m; i+) glBegin(GL_LINE_LOOP);for(i

20、nt 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(); / 入棧glRotatef(c, 0.0f, 1.0f, 0.0f);glRotatef(-90, 1.0f, 0.0f,

21、 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glBindT exture(GL_TEXTURE_2D, g_TexturesArray5);/ 綁定紋理gluSphere(quadric5,0.1f,64,64);/ 畫一個填充地球else if(iMode=2)

22、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)GLUquadricObj * quadric6; / 建立一個曲面對象指針quadric6 = gluNewQuadric();/ 建立

23、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glBindT exture(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_TEXTURE_2D);/ 取消紋理glColor3f(1.0,1.0,1.0);glutWireSphere(0.025f,25,25);/

24、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(GL_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 glut