wk12_

::::::::::::::::::::::::::::::::::::::::::::::::::::::::貼圖的設定:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
IplImage * img1,* img2, * img3,* img4;
 GLuint id1,id2,id3,id4;
 float angleX=0;

void myTexture()
{

img1 = cvLoadImage("body.png");
img2 = cvLoadImage("hand.png");
img3 = cvLoadImage("leg.png");

  cvCvtColor(img1, img1, CV_BGR2RGB);
  cvCvtColor(img2, img2, CV_BGR2RGB);
  cvCvtColor(img3, img3, CV_BGR2RGB);

glEnable(GL_TEXTURE_2D);
glGenTextures(1, &id1);
glGenTextures(1, &id2);
glGenTextures(1, &id3);


glBindTexture(GL_TEXTURE_2D, id1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img1->width, img1->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img1->imageData);

glBindTexture(GL_TEXTURE_2D, id2);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img2->width, img2->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img2->imageData);

glBindTexture(GL_TEXTURE_2D, id3);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img3->width, img3->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img3->imageData);
}

++++++++++++++++++++++本周程式碼+++++++++++++++++++++++++++

#include <GL/glut.h>
#include <opencv/highgui.h>
#include <opencv/cv.h>
#include <stdio.h>
//IplImage *img1, *img2, *img3, *img4;
//GLuint id1, id2, id3, id4;
IplImage * img[40];//技巧1: 可以把重覆的東西, 用陣列來簡化
GLuint id[40];//技巧1: 可以把重覆的東西, 用陣列來簡化
float angleX=0;
void myPrepareTexture(int i)//用參數來配, 找對應正確的變數
{//技巧3: 可以把重覆的東西, 用函式來簡化
cvCvtColor(img[i], img[i], CV_BGR2RGB);
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &id[i]);
glBindTexture(GL_TEXTURE_2D, id[i]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img[i]->width, img[i]->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img[i]->imageData);
}
void myTexture()
{
img[0]=cvLoadImage("imgbody.png");
img[1]=cvLoadImage("imgHand1.png");
img[2]=cvLoadImage("imgLeg1.png");
for(int i=0;i<3;i++){//技巧2: 可以把重覆的東西, 用迴圈來簡化
myPrepareTexture(i);
}
}
void myPolygon(int num){//技巧3: 可以把重覆的東西, 用函式來簡化
glPushMatrix();
glScalef(0.3, 0.8, 0.8);
glBindTexture(GL_TEXTURE_2D, id[num]);
glBegin(GL_POLYGON);
glTexCoord2f(0, 0);   glVertex3f( -0.5,  0.5, 0);
glTexCoord2f(1, 0);   glVertex3f(  0.5,  0.5, 0);
glTexCoord2f(1, 1);   glVertex3f(  0.5, -0.5, 0);
glTexCoord2f(0, 1);   glVertex3f( -0.5, -0.5, 0);
glEnd();
glPopMatrix();
}
void myBody(){
myPolygon(0);
}
void myLeg(){
myPolygon(1);
}
void myHand(){
myPolygon(2);
}
void display()
{
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
myBody();
glPushMatrix();
glTranslatef(0.2,0,0);//右手
glRotatef(angleX, 0,0,1);
glTranslatef(0, -0.4, 0);
myHand();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.2,0,0);//左手
glRotatef(-angleX, 0,0,1);
glTranslatef(0, -0.4, 0);
myHand();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.2,-0.3,0);//左腿
glRotatef(-angleX, 0,0,1);
glTranslatef(0, -0.4, 0);
myLeg();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
void keyboard(unsigned char key, int x, int y)
{
if(key=='a') angleX+=3;
if(key=='b') angleX-=3;
glutPostRedisplay();

}
int main()
{
glutInitDisplayMode(GLUT_DOUBLE |GLUT_DEPTH);
glutCreateWindow("week12");
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);
myTexture();//不要忘了加哦!
glutMainLoop();
}
使用陣列後!!!!!!!