week_12_02160660_楊涵雯

1. 作業回顧

2. 作業需求(小遊戲)

3. 3D Model模型glm.c

4. Maya轉OBJ檔

5. 介紹助教影片資源

將3D模型開啟

將三個檔案放到程式目錄下

複製transformation.c裡的幾行程式碼

將glu.c改為glu.cpp 並新增至程式中

#include "glm.h"

GLMmodel* pmodel = NULL;

int main()

{

    pmodel = glmReadOBJ("data/porache.obj");

    glmUnitize(pmodel);

    glmFacetNormals(pmodel);

    glmVertexNormals(pmodel, 90.0);

}

#include "glm.h"

GLMmodel* pmodel = NULL;

void display()

{

    glmDraw(pmodel, GLM_SMOOTH | GLM_MATERIAL);

    glFlush();

}

int main(int argc,char**argv)

{

    glutInit(&argc,argv);

    glutCreateWindow("GLUT");

    glutDisplayFunc(display);

    pmodel = glmReadOBJ("porsche.obj");

    glmUnitize(pmodel);

    glmFacetNormals(pmodel);

    glmVertexNormals(pmodel, 90.0);

    glutMainLoop();

}

#include "glm.h"
GLMmodel* pmodel = NULL;

void display()
{
    GLfloat pos[]={0.0,0.0,-1.0,0.0};
    glLightfv(GL_LIGHT0,GL_POSITION,pos);
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);

    glEnable(GL_DEPTH_TEST);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glmDraw(pmodel, GLM_SMOOTH | GLM_MATERIAL);
    glFlush();
}
int main(int argc,char**argv)
{
    glutInit(&argc,argv);
    glutCreateWindow("GLUT");
    glutDisplayFunc(display);

    pmodel = glmReadOBJ("porsche.obj");
    glmUnitize(pmodel);
    glmFacetNormals(pmodel);
    glmVertexNormals(pmodel, 90.0);

    glutMainLoop();
}

#include <opencv/highgui.h> ///for cvLoadImage()
#include <opencv/cv.h> ///for cvCvtColor()
#include <GL/glut.h> ///3D glut
#include <stdio.h>
float angle=0, earthX=0, earthY=0, earthVY=0, earthVX=0; ///自動轉很帥
GLUquadric * quad;
int pikaState=0;
void timer(int t)
{   glutTimerFunc(20, timer, 0);/// 1000 msec   50fps:20msec
    if(pikaState==0){
        angle+=1;///自動轉很帥
        earthX=0.8*cos(angle*3.14/180);
        earthY=0.8*sin(angle*3.14/180);
    }else if(pikaState==2){
        earthX+=earthVX;
        earthY+=earthVY;
        earthVY-=0.0098;
    }
    glutPostRedisplay();
}
void display()
{   glEnable(GL_DEPTH_TEST); ///要啟動 Detph Test 深度值的測試,3D顯示才正確
    glClear(GL_COLOR_BUFFER_BIT  | GL_DEPTH_BUFFER_BIT);
    glPushMatrix();///自動轉很帥
        glTranslatef(earthX, earthY, 0);
        glRotatef(90, 1,0,0);
        glRotatef(angle, 0,0,1);///自動轉很帥
        gluQuadricTexture(quad, 1);
        gluSphere(quad, 0.1, 30, 30);///glutSolidTeapot(0.3);
    glPopMatrix();///自動轉很帥
    glFlush();
}
GLuint id; ///準備一個 unsigned int 整數, 叫 貼圖ID
GLuint id2; ///準備一個 unsigned int 整數, 叫 貼圖ID
void mouse(int button, int state, int x, int y)
{   if(state==GLUT_UP){
        glBindTexture(GL_TEXTURE_2D, id2);
        pikaState=2;
        //earthVX=??
        //earthVY= 0.1;
        earthVY= (y-150.0)/500;
        earthVX= (150.0-x)/500;
    }else if(state==GLUT_DOWN){
        pikaState=1;
        glBindTexture(GL_TEXTURE_2D, id);
    }
}
void motion(int x, int y){
    earthX=(x-150.0)/150.0;
    earthY=(150.0-y)/150.0;
}
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;
}
void myInit()
{   quad = gluNewQuadric();
    id = myTexture("image.jpg");
    id2 = myTexture("image2.jpg");
}   ///最後一行最難/最重要, 所貼圖影像的資料都設定好
int main(int argc, char**argv)
{   glutInit(&argc, argv);
    glutCreateWindow("3D");
    glutDisplayFunc(display); ///顯示
    glutTimerFunc(0, timer, 0);
    glutMouseFunc(mouse);
    glutMotionFunc(motion);
    myInit(); ///我的 init 初始化 把貼圖準備好 前面OpenCV 2行, 後面 OpenGL 9行
    glutMainLoop();
}