Week13課堂作業

#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,angle1=0,angle2=0,angle3=0,angle4=0,angle5=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(){

glPushMatrix();

glScalef(0.5,0.5,0.5);

myPolygon(1);

glPopMatrix();

}

void myHand(){

glPushMatrix();

glScalef(0.5,0.5,0.5);

myPolygon(2);

glPopMatrix();

}

void display()

{

glEnable(GL_DEPTH_TEST);

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glPushMatrix();

glScalef(0.5,0.5,0.5);

myBody();

glPushMatrix();

glTranslatef(0.2,0,0);//右手

glRotatef(-angle2, 0,0,1);

glTranslatef(0, -0.2, 0);

myHand();

glPushMatrix();

glTranslatef(0,-0.2,0);//小右手

glRotatef(-angle2, 0,0,1);

glTranslatef(0, -0.2, 0);

myHand();

glPopMatrix();

glPopMatrix();

glPushMatrix();

glTranslatef(-0.2,0,0);//左手

glRotatef(-angle3, 0,0,1);

glTranslatef(0, -0.2, 0);

myHand();

glPushMatrix();

glTranslatef(0,-0.2,0);//小左手

glRotatef(-angle3, 0,0,1);

glTranslatef(0, -0.2, 0);

myHand();

glPopMatrix();

glPopMatrix();

glPushMatrix();

glTranslatef(-0.2,-0.3,0);//左腿

glRotatef(-angle4, 0,0,1);

glTranslatef(0, -0.2, 0);

myLeg();

glPushMatrix();

glTranslatef(0,-0.3,0);//左小腿

glRotatef(-angle4, 0,0,1);

glTranslatef(0, -0.2, 0);

myLeg();

glPopMatrix();

glPopMatrix();

glPushMatrix();

glTranslatef(0.2,-0.3,0);//右腿

glRotatef(-angle5, 0,0,1);

glTranslatef(0, -0.2, 0);

myLeg();

glPushMatrix();

glTranslatef(0,-0.3,0);//右小腿

glRotatef(-angle5, 0,0,1);

glTranslatef(0, -0.2, 0);

myLeg();

glPopMatrix();

glPopMatrix();

/*glPushMatrix();//頭 

glColor3f(0,0,1);

glTranslatef(0,0.16,0);

glRotatef(angle1, 0,0,-1);

glPushMatrix();

glScalef(1,1.5,1);

glutSolidCube(0.2);

glPopMatrix();

glPushMatrix();

glTranslatef(0,0.12,0);

glRotatef(angle1, 0,0,-1);

glTranslatef(0,0.36/2,0);

glScalef(1.8,1.8,1.8);

glutSolidCube(0.22);

glPopMatrix();*/ 

glPopMatrix();

glutSwapBuffers();

}

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

{

if(key=='a') angleX+=3;

if(key=='b') angleX-=3;

if(key=='1') angle1+=3;

if(key=='2') angle1-=3;

if(key=='3') angle2+=3;

if(key=='4') angle2-=3;

if(key=='5') angle3+=3;

if(key=='6') angle3-=3;

if(key=='7') angle4+=3;

if(key=='8') angle4-=3;

if(key=='9') angle5+=3;

if(key=='0') angle5-=3; 

glutPostRedisplay();

}

int main()

{

glutInitDisplayMode(GLUT_DOUBLE |GLUT_DEPTH);

glutCreateWindow("week13");

glutDisplayFunc(display);

glutKeyboardFunc(keyboard);

myTexture();//不要忘了加哦!

glutMainLoop();

}