真week13

 week13

利用git 開啟上週程式碼

$ cd desktop

git clone https://github.com/yuchenchou/2023graphicsb

cd 2023graphicsb

open final_project

開啟

把fgreeglut整個拉入finalproject中

開啟maya裁切關節

放入model資料夾中

將資料夾加入final_project資料夾中

按1234出現關節

#include <stdio.h>

#include <GL/glut.h>

#include "glm.h"

GLMmodel *head=NULL;

GLMmodel *body=NULL;

GLMmodel *rightup=NULL;

GLMmodel *rightdown=NULL;

int show[4]={1,0,0,0};

float teapotX =0, teapotY = 0;

FILE * fout = NULL;

FILE * fin = NULL;

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

    if(key=='0')show[0]=!show[0];

    if(key=='1')show[1]=!show[1];

    if(key=='2')show[2]=!show[2];

    if(key=='3')show[3]=!show[3];

    glutPostRedisplay();

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

    if (head==NULL){

        head=glmReadOBJ("model/head.obj");

        body=glmReadOBJ("model/body.obj");

        rightup=glmReadOBJ("model/rightup.obj");

        rightdown=glmReadOBJ("model/rightdown.obj");

    }

    glPushMatrix();

        glScalef(0.3,0.3,0.3);

        if ( show [0]) glmDraw(head,GLM_MATERIAL);

        if ( show [1]) glmDraw(body,GLM_MATERIAL);

        if ( show [2]) glmDraw(rightup,GLM_MATERIAL);

        if ( show [3]) glmDraw(rightdown,GLM_MATERIAL);

    glPopMatrix();

    glutSwapBuffers();

}

void mouse(int button, int state, int x, int y)

{

    teapotX = (x-150)/150.0;

    teapotY = (150-y)/150.0;

    if(state==GLUT_DOWN){///如果mouse按下去

        if(fout==NULL) fout = fopen("file4.txt", "w");

        fprintf(fout, "%f %f\n", teapotX, teapotY);

    }

    display();

}

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

///{

  ///  if(fin==NULL){

    ///    fclose(fout);

    ///    fin = fopen("file4.txt", "r");

    ///}

    ///fscanf(fin, "%f%f", &teapotX, &teapotY);

    ///display();

///}

int main(int argc, char** argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week12");

    glutDisplayFunc(display);

    glutKeyboardFunc(keyboard);

    glutMouseFunc(mouse);

    glutMainLoop();

}

增加滑鼠移動

#include <stdio.h>

#include <GL/glut.h>

#include "glm.h"

GLMmodel *head=NULL;

GLMmodel *body=NULL;

GLMmodel *rightup=NULL;

GLMmodel *rightdown=NULL;

int show[4]={1,0,0,0};

float teapotX =0, teapotY = 0;

FILE * fout = NULL;

FILE * fin = NULL;

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

    if(key=='0')show[0]=!show[0];

    if(key=='1')show[1]=!show[1];

    if(key=='2')show[2]=!show[2];

    if(key=='3')show[3]=!show[3];

    glutPostRedisplay();

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

    if (head==NULL){

        head=glmReadOBJ("model/head.obj");

        body=glmReadOBJ("model/body.obj");

        rightup=glmReadOBJ("model/rightup.obj");

        rightdown=glmReadOBJ("model/rightdown.obj");

    }

    glPushMatrix();

        glScalef(0.3,0.3,0.3);

        glPushMatrix();

        glTranslatef(teapotX,teapotY,0);

        if ( show [0]) glmDraw(head,GLM_MATERIAL);

        glPopMatrix();

        if ( show [1]) glmDraw(body,GLM_MATERIAL);

        if ( show [2]) glmDraw(rightup,GLM_MATERIAL);

        if ( show [3]) glmDraw(rightdown,GLM_MATERIAL);

    glPopMatrix();

    glutSwapBuffers();

}

int oldX=0,oldY =0;

void mouse(int button, int state, int x, int y)

{

    if(state==GLUT_DOWN){///如果mouse按下去

        oldX = x;

        oldY = y;

    }

}

        void motion(int x, int y){

        teapotX+=(x-oldX)/150.0;

        teapotY-=(y-oldY)/150.0;

        oldX = x;

        oldY = y;

        glutPostRedisplay();

    }

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

///{

  ///  if(fin==NULL){

    ///    fclose(fout);

    ///    fin = fopen("file4.txt", "r");

    ///}

    ///fscanf(fin, "%f%f", &teapotX, &teapotY);

    ///display();

///}

int main(int argc, char** argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week12");

    glutMotionFunc(motion);

    glutDisplayFunc(display);

    glutKeyboardFunc(keyboard);

    glutMouseFunc(mouse);

    glutMainLoop();

}