91 week14

 step01-1:

安裝git，輸入指令如下:

cd desktop       clone網址      cd 你的資料庫    start .

freeglut直接從上周的檔案路徑設置

複製貼上week02的程式碼:

#include<GL/glut.h>

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

    glutSolidTeapot(0.3);

    glutSwapBuffers();

}

#include <stdio.h>

int main(int argc,char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week14");

    glutDisplayFunc(display);

    glutMainLoop();

}

week14-1_timer

自動旋轉茶壺程式碼:

#include<GL/glut.h>

float angle=0;

void timer(int t)

{

    glutTimerFunc(500,timer,t+1);

    angle+=90;

    glutPostRedisplay();

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

    glRotatef(angle,0,0,1);

    glutSolidTeapot(0.3);

    glPopMatrix();

    glutSwapBuffers();

}

#include <stdio.h>

int main(int argc,char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week14");

    glutTimerFunc(3000,timer,0);

    glutDisplayFunc(display);

    glutMainLoop();

}

week14-2_timer_play:

鍵盤啟動旋轉茶壺

程式碼:

#include<GL/glut.h>

float angle=0;

void timer(int t)

{

    glutTimerFunc(33,timer,t+1);

    angle+=3;

    glutPostRedisplay();

}

void keyboard(unsigned char key,int x,int y)//step01-2

{

    glutTimerFunc(0,timer,0);//step01-2

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

    glRotatef(angle,0,0,1);

    glutSolidTeapot(0.3);

    glPopMatrix();

    glutSwapBuffers();

}

#include <stdio.h>

int main(int argc,char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week14");

    glutKeyboardFunc(keyboard);//step01-2

    ///glutTimerFunc(3000,timer,0);//註解掉

    glutDisplayFunc(display);

    glutMainLoop();

}

EXCEL寫公式:

alpha(0..1.0) 公式:a2/20

角度alpha*新+(1-alpha)*舊 公式:B2*D2+(1-B2)*C2

git備份設定:

git config  --global user.email 信箱

git config  --global user.name 名子git config  --global user.name SeanC91

備份:

git add .

git commit  -m week14

git push

week14-3:

滑鼠拖移橫軸左右轉，空白鍵根據滑鼠動作旋轉。

程式碼:

#include<GL/glut.h>

float angle=0,newAngle=0,oldAngle=0;

float oldX=0;

void timer(int t)

{

    if(t<100) glutTimerFunc(33,timer,t+1);

    float alpha=t/100.0;

    angle=alpha*newAngle+(1-alpha)*oldAngle;

    glutPostRedisplay();

}

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

{

    glutTimerFunc(0,timer,0);

}

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

    if(state==GLUT_DOWN) oldAngle=angle;

    if(state==GLUT_UP) newAngle=angle;

    oldX=x;

    glutPostRedisplay();

}

void motion(int x,int y){

    angle+=x-oldX;

    oldX=x;

    glutPostRedisplay();

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

    glRotatef(angle,0,0,1);

    glutSolidTeapot(0.3);

    glPopMatrix();

    glutSwapBuffers();

}

int main(int argc,char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week14");

    glutMouseFunc(mouse);

    glutMotionFunc(motion);

    glutKeyboardFunc(keyboard);

    ///glutTimerFunc(3000,timer,0);

    glutDisplayFunc(display);

    glutMainLoop();

}

final_project week14-3:

程式碼:

#include <stdio.h>

#include <GL/glut.h>

#include "glm.h"

GLMmodel*head=NULL;

GLMmodel*body=NULL;

GLMmodel*uphandr=NULL;

GLMmodel*downhandr=NULL;

int show[4]={1,1,1,1};///week14_step03_1

int ID =2;///week14_step03_1

float teapotX=0,teapotY=0;

FILE*fout=NULL;

FILE*fin=NULL;

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

{

    if(key=='0') ID=0;///show[0]=!show[0];

    if(key=='1') ID=1;///show[1]=!show[1];

    if(key=='2') ID=2;///show[2]=!show[2];

    if(key=='3') ID=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");

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

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

    }

    glPushMatrix();

        glScalef(0.3,0.3,0.3);

        glPushMatrix();

            glTranslatef(teapotX,teapotY,0);

            if(ID==0)glColor3f(1,0,0);

            else glColor3f(1,1,1);

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

    glPopMatrix();

     if(ID==1)glColor3f(1,0,0);

        else glColor3f(1,1,1);

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

        if(ID==2)glColor3f(1,0,0);

        else glColor3f(1,1,1);

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

        if(ID==3)glColor3f(1,0,0);

        else glColor3f(1,1,1);

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

    glPopMatrix();

    glutSwapBuffers();

}

int oldX=0,oldY=0;

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

{

    if(state==GLUT_DOWN){

        oldX=x;

        oldY=y;

    }

    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();

}

滑鼠控制旋轉:

week14-3FINAL程式碼:

#include <stdio.h>

#include <GL/glut.h>

#include "glm.h"

GLMmodel*head=NULL;

GLMmodel*body=NULL;

GLMmodel*uphandr=NULL;

GLMmodel*downhandr=NULL;

int show[4]={1,1,1,1};///week14_step03_1

int ID =2;///week14_step03_1

float teapotX=0,teapotY=0;

float angle=0;

FILE*fout=NULL;

FILE*fin=NULL;

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

{

    if(key=='0') ID=0;///show[0]=!show[0];

    if(key=='1') ID=1;///show[1]=!show[1];

    if(key=='2') ID=2;///show[2]=!show[2];

    if(key=='3') ID=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");

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

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

    }

    glPushMatrix();

        glScalef(0.3,0.3,0.3);

        glPushMatrix();

            ///glTranslatef(teapotX,teapotY,0);

            if(ID==0)glColor3f(1,0,0);

            else glColor3f(1,1,1);

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

    glPopMatrix();

     if(ID==1)glColor3f(1,0,0);

        else glColor3f(1,1,1);

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

        glPushMatrix();

        glTranslatef(-1.360000,+0.360000,0);

        glRotatef(angle,0,0,1);

        glTranslatef(1.360000,-0.360000,0);

        if(ID==2)glColor3f(1,0,0);

        else glColor3f(1,1,1);

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

        glPushMatrix();

        glTranslatef(-1.959999,+0.080000,0);

        glRotatef(angle,0,0,1);

        glTranslatef(1.959999,-0.080000,0);

        if(ID==3)glColor3f(1,0,0);

        else glColor3f(1,1,1);

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

        glPopMatrix();

        glPopMatrix();

        glPopMatrix();

        glColor3f(0,1,0);

        glutSolidTeapot(0.02);

    glutSwapBuffers();

}

int oldX=0,oldY=0;

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

{

    if(state==GLUT_DOWN){

        oldX=x;

        oldY=y;

    }

}

void motion(int x,int y){

    teapotX+=(x-oldX)/150.0*3;

    teapotY-=(y-oldY)/150.0*3;

    printf("glTranslatef(%f,%f,0);\n",teapotX,teapotY);

    angle+=x-oldX;

    oldX=x;

    oldY=y;

    glutPostRedisplay();

}

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();

}