你要出多少_week13

 

#include <opencv/highgui.h> ///使用 OpenCV 2.1 比較簡單, 只要用 High GUI 即可

#include <opencv/cv.h>

#include <GL/glut.h>

#include "glm.h"   ///使用外掛

GLMmodel*pmodel1=NULL;   ///glm模型指標

void drawmodel(void)    ///函式讀取鋼彈

{

    if(!pmodel1)

    {

        pmodel1=glmReadOBJ("Gundam.obj");

        if(!pmodel1)exit(0);

        glmUnitize(pmodel1);

        glmFacetNormals(pmodel1);

        glmVertexNormals(pmodel1, 90.0);

    }

    glmDraw(pmodel1,GLM_SMOOTH | GLM_TEXTURE);   ///參數

}

GLuint id1, id2; ///TODO:增加2個 貼圖ID

int myTexture(char * filename)

{

    IplImage * img = cvLoadImage(filename); ///OpenCV讀圖

    cvCvtColor(img,img, CV_BGR2RGB); ///OpenCV轉色彩 (需要cv.h)

    glEnable(GL_TEXTURE_2D); ///1. 開啟貼圖功能

    GLuint id; ///準備一個 unsigned int 整數, 叫 貼圖ID

    glGenTextures(1, &id); /// 產生Generate 貼圖ID

    glBindTexture(GL_TEXTURE_2D, id); ///綁定bind 貼圖ID

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); /// 貼圖參數, 超過包裝的範圖T, 就重覆貼圖

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); /// 貼圖參數, 超過包裝的範圖S, 就重覆貼圖

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); /// 貼圖參數, 放大時的內插, 用最近點

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); /// 貼圖參數, 縮小時的內插, 用最近點

    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img->width, img->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img->imageData);

    return id;

}

float angle=0;///初始角度=0

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glBindTexture(GL_TEXTURE_2D, id1);

    glPushMatrix();///畫鋼彈

        glRotatef(angle,0,1,0);///軸心旋轉

        drawmodel();

    glPopMatrix();

    glBindTexture(GL_TEXTURE_2D, id2);

    glBegin(GL_POLYGON);

        glTexCoord2f( 0, 0 ); glVertex3f( -1, +1 ,0.8);

        glTexCoord2f( 0, 1 ); glVertex3f( -1, -1 ,0.8);

        glTexCoord2f( 1, 1 ); glVertex3f( +1, -1 ,0.8);

        glTexCoord2f( 1, 0 ); glVertex3f( +1, +1 ,0.8);

    glEnd();

    glutSwapBuffers();

    angle+=0.3;///(如果覺得太快改這邊)

}

int main(int argc, char** argv)

{

    glutInit( &argc, argv );

    glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH );

    glutCreateWindow("week13");

    glutDisplayFunc(display);

    glutIdleFunc(display);

    id1 = myTexture("Diffuse.jpg");///鋼彈貼圖

    id2 = myTexture("heyyy.jpg");///背景

    glEnable(GL_DEPTH_TEST);

    glutMainLoop();

}