倫 電腦圖學 Week17

 

一個打光的茶壺!

#include <GL/glut.h>

void display(){

    glClearColor( 1,0,0,0);///用來Clear的Color 用紅色

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

        glColor3f( 1,1,0 );///茶壺的顏色 黃色

        glutSolidTeapot( 0.3 );

    glutSwapBuffers();

}

const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };///打光的程式要放在main之前

const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_position[] = { 2.0f, 5.0f, -5.0f, 0.0f };

const GLfloat mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };

const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };

const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat high_shininess[] = { 100.0f };

int main( int argc, char ** argv )

{

    glutInit( &argc, argv);

    glutInitWindowSize(500,500);///視窗大小

    glutInitWindowPosition(0,0);///視窗位置

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week17 review");

    glutDisplayFunc(display);

    glEnable(GL_DEPTH_TEST);///深度偵測要開

    glDepthFunc(GL_LESS);///要放在main loop之前

    glEnable(GL_LIGHT0);

    glEnable(GL_NORMALIZE);

    glEnable(GL_COLOR_MATERIAL);

    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);

    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);

    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);

    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);

    glutMainLoop();

}

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滑鼠可以拖動茶壺移動!!

#include <GL/glut.h>

float angle=90;

float oldX=0;

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

    oldX = x;

}

void motion( int x, int y ){

    angle += x-oldX;

    oldX = x;

    glutPostRedisplay();///重畫畫面

}

void display(){

    glClearColor( 1,0,0,0);///用來Clear的Color 用紅色

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glColor3f( 1,1,0 );

        glutSolidTeapot( 0.3 );///身體先註解掉身體,只看手臂

        glPushMatrix();

            glTranslatef(-.3, 0, 0);///(3)再把轉動中的手臂,掛到肩上

            glRotatef(angle, 0,0,1);///(2)再轉動它

            glTranslatef(-.3, .1, 0);///(1)移動旋轉中心,放正中心

            glutSolidTeapot(0.3);///左手臂

        glPopMatrix();

    glPopMatrix();

    glutSwapBuffers();

}

const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };

const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_position[] = { 2.0f, 5.0f, -5.0f, 0.0f };

const GLfloat mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };

const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };

const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat high_shininess[] = { 100.0f };

int main( int argc, char ** argv )

{

    glutInit( &argc, argv);

    glutInitWindowSize(300,300);

    glutInitWindowPosition(700,200);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week17 review");

    glutMouseFunc(mouse);

    glutMotionFunc(motion);

    glutDisplayFunc(display);

    glEnable(GL_DEPTH_TEST);

    glDepthFunc(GL_LESS);

    glEnable(GL_LIGHT0);

    glEnable(GL_NORMALIZE);

    glEnable(GL_COLOR_MATERIAL);

    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);

    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);

    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);

    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);

    glutMainLoop();

}

--------------------------------------------------------------------------------------

可用數字鍵控制關節移動!

#include <GL/glut.h>

#include <stdio.h>

FILE * fout = NULL;

FILE * fin = NULL;

float angle[20]={};///先都設成0

int angleID=0;///現在要動的關節是誰?

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

    if(key=='0') angleID=0;

    if(key=='1') angleID=1;

    if(key=='2') angleID=2;

    if(key=='3') angleID=3;

    if(key=='4') angleID=4;

    if(key=='5') angleID=5;

    if(key=='6') angleID=6;

    if(key=='s'){///存檔

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

        for(int i=0; i<20; i++) fprintf(fout, "%.2f ", angle[i]);

        fprintf(fout, "\n");

        printf("save angle.txt\n");

    }else if(key=='r'){///讀檔 (不能和存檔同時做,因angle.txt不能開2次)

        if( fin==NULL ) fin = fopen("angle.txt", "r");

        for(int i=0; i<20; i++) fscanf(fin, "%f", &angle[i]);

        glutPostRedisplay();///重畫畫面

        printf("read angle.txt\n");

    }

}///如果關節很多, 可能要用迴圈來讓程式只要2行 for(int i=0; i<10; i++)

///可能也要用到英文字母

float oldX=0;

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

    oldX = x;

}

void motion( int x, int y ){

    angle[angleID] += x-oldX;///0: angle[0], 1: angle[1]..

    oldX = x;

    glutPostRedisplay();///重畫畫面

}

void display(){

    glClearColor( 1,0,0,0);///用來Clear的Color 用紅色

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glColor3f( 1,1,0 );

        glutSolidTeapot( 0.3 );///身體先註解掉身體,只看手臂

        glPushMatrix();///左半邊

            glTranslatef(-.3, 0, 0);///(3)再把轉動中的手臂,掛到肩上

            glRotatef(angle[0], 0,0,1);///(2)再轉動它

            glTranslatef(-.3, .1, 0);///(1)移動旋轉中心,放正中心

            glutSolidTeapot(0.3);///左手臂

            glPushMatrix();

                glTranslatef(-.3, 0, 0);///(3)再把轉動中的手臂,掛到肩上

                glRotatef(angle[1], 0,0,1);///(2)再轉動它

                glTranslatef(-.3, 0, 0);///(1)移動旋轉中心,放正中心

                glutSolidTeapot(0.3);///左手肘

            glPopMatrix();

        glPopMatrix();

        glPushMatrix();///右半邊

            glTranslatef(+.3, 0, 0);///(3)再把轉動中的手臂,掛到肩上

            glRotatef(angle[2], 0,0,1);///(2)再轉動它

            glTranslatef(+.3, .1, 0);///(1)移動旋轉中心,放正中心

            glutSolidTeapot(0.3);///右手臂

            glPushMatrix();

                glTranslatef(+.3, 0, 0);///(3)再把轉動中的手臂,掛到肩上

                glRotatef(angle[3], 0,0,1);///(2)再轉動它

                glTranslatef(+.3, 0, 0);///(1)移動旋轉中心,放正中心

                glutSolidTeapot(0.3);///右手肘

            glPopMatrix();

        glPopMatrix();

    glPopMatrix();

    glutSwapBuffers();

}

const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };

const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_position[] = { 2.0f, 5.0f, -5.0f, 0.0f };

const GLfloat mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };

const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };

const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat high_shininess[] = { 100.0f };

int main( int argc, char ** argv )

{

    glutInit( &argc, argv);

    glutInitWindowSize(300,300);

    glutInitWindowPosition(700,200);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week17 review");

    glutKeyboardFunc(keyboard);

    glutMouseFunc(mouse);

    glutMotionFunc(motion);

    glutDisplayFunc(display);

    glEnable(GL_DEPTH_TEST);

    glDepthFunc(GL_LESS);

    glEnable(GL_LIGHT0);

    glEnable(GL_NORMALIZE);

    glEnable(GL_COLOR_MATERIAL);

    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);

    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);

    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);

    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);

    glutMainLoop();

}

--------------------------------------------------------------------------------------

倫 電腦圖學 Week16

運用上次可用數字控制手臂關節，再加入MOUSE和MOTION，可用滑鼠拖曳手臂移動

#include <stdio.h>///可割可棄

#include <GL/glut.h>

float angle[20]={}, diff=2;///Step05 本來只有1個角度,現在有很多個,初始為0

int angleID=0; ///Step05 現在要改第幾個角度!!!

int oldx=0;

void timer( int t ){

   }

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

{

    oldx=x;

}

void motion(int x,int y)

{

    angle[angleID]+=x-oldx;

    oldx=x;

    glutPostRedisplay();///現在這個比較好, 以前會用 display()重畫

}

void keyboard( unsigned char key, int x, int y){ ///Step05

    if(key=='0') angleID=0; ///Step05

    if(key=='1') angleID=1; ///Step05

    if(key=='2') angleID=2; ///Step05

    if(key=='3') angleID=3; ///Step05

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glutSolidTeapot( 0.3 );///身體

        glPushMatrix();///左半邊

            glTranslatef(-0.3,0,0);///(3)掛在正確的地方

            glRotatef(angle[0], 0,0,1);///(2)旋轉 ///Step05

            glTranslatef(-0.3,0,0);///(1)把關節旋轉中心放到畫面中心

            glutSolidTeapot( 0.3 );///左手臂(沒有重疊)

            glPushMatrix();

                glTranslatef(-0.3,0,0);///(3)掛在正確的地方

                glRotatef(angle[1], 0,0,1);///(2)旋轉 ///Step05

                glTranslatef(-0.3,0,0);///(1)把關節旋轉中心放到畫面中心

                glutSolidTeapot( 0.3 );///左手肘(重疊了)

            glPopMatrix();

        glPopMatrix();

        glPushMatrix();///右半邊

            glTranslatef(+0.3, 0,0 );

            glRotatef(-angle[2], 0,0,1);

            glTranslatef(+0.3, 0,0);

            glutSolidTeapot( 0.3 );///右手臂

            glPushMatrix();

                glTranslatef(+0.3, 0,0 );

                glRotatef(-angle[3], 0,0,1);

                glTranslatef(+0.3, 0,0);

                glutSolidTeapot( 0.3 );///右手肘

            glPopMatrix();

        glPopMatrix();

    glPopMatrix();

    glutSwapBuffers();

}

int main( int argc, char ** argv )

{

    glutInit( &argc, argv );

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week15 file");

    glutMouseFunc(mouse);

    glutMotionFunc(motion);

    glutKeyboardFunc(keyboard);///Step05 整合很多關節,會去改angleID

    glutTimerFunc(0, timer, 0);///Step04-2 設第1個timer做動畫

    glutDisplayFunc(display);

    glutMainLoop();

}

-----------------------------------------------------------------------------------

移動時小黑視窗會產生資訊

#include <stdio.h>///可割可棄

#include <GL/glut.h>

float angle[20]={}, diff=2;///Step05 本來只有1個角度,現在有很多個,初始為0

int angleID=0; ///Step05 現在要改第幾個角度!!!

int oldX=0;

FILE*fout=NULL;

void timer( int t ){

}

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

{

    oldX=x;///當mouse按下去 記下位置

}

void motion(int x,int y)

{

    angle[angleID] += x-oldX; ///用x-oldX

    oldX=x;///在更新位置

    glutPostRedisplay();///現在這個比較好,

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

    for(int i=0;i<20;i++)fprintf(fout,"%.1f",angle[i]);

    fprintf(fout,"\n");

    for(int i=0;i<20;i++)printf("%.1f",angle[i]);

    printf("\n");///以上兩行讓你知道印了什麼

}

void keyboard( unsigned char key, int x, int y){ ///Step05

    if(key=='0') angleID=0; ///Step05

    if(key=='1') angleID=1; ///Step05

    if(key=='2') angleID=2; ///Step05

    if(key=='3') angleID=3; ///Step05

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glutSolidTeapot( 0.3 );///身體

        glPushMatrix();///左半邊

            glTranslatef(-0.3,0,0);///(3)掛在正確的地方

            glRotatef(angle[0], 0,0,1);///(2)旋轉 ///Step05

            glTranslatef(-0.3,0,0);///(1)把關節旋轉中心放到畫面中心

            glutSolidTeapot( 0.3 );///左手臂(沒有重疊)

            glPushMatrix();

                glTranslatef(-0.3,0,0);///(3)掛在正確的地方

                glRotatef(angle[1], 0,0,1);///(2)旋轉 ///Step05

                glTranslatef(-0.3,0,0);///(1)把關節旋轉中心放到畫面中心

                glutSolidTeapot( 0.3 );///左手肘(重疊了)

            glPopMatrix();

        glPopMatrix();

        glPushMatrix();///右半邊

            glTranslatef(+0.3, 0,0 );

            glRotatef(-angle[2], 0,0,1);

            glTranslatef(+0.3, 0,0);

            glutSolidTeapot( 0.3 );///右手臂

            glPushMatrix();

                glTranslatef(+0.3, 0,0 );

                glRotatef(-angle[3], 0,0,1);

                glTranslatef(+0.3, 0,0);

                glutSolidTeapot( 0.3 );///右手肘

            glPopMatrix();

        glPopMatrix();

    glPopMatrix();

    glutSwapBuffers();

}

int main( int argc, char ** argv )

{

    glutInit( &argc, argv );

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week15 file");

    glutMouseFunc(mouse);

    glutMotionFunc(motion);

    glutKeyboardFunc(keyboard);///Step05 整合很多關節,會去改angleID

    glutTimerFunc(0, timer, 0);///Step04-2 設第1個timer做動畫

    glutDisplayFunc(display);

    glutMainLoop();

}

------------------------------------------------------------

(s=存檔位置 , r=讀檔  , p=播放)

#include <stdio.h>///可割可棄

#include <GL/glut.h>

float angle[20]={}, diff=2;///angle[i]化的角度,內插angleOld[i] angleNew[i]

float angleOld[20]={},angleNew[20]={};

int angleID=0; ///Step05 現在要改第幾個角度!!!

int oldX=0;

FILE*fout=NULL;

FILE*fin =NULL;

void timer( int t ){

    glutTimerFunc(30,timer,t+1);///step-02播放動畫

    if( t%10==0){///step03-2每10frane就讀一筆新資料

        for(int i=0;i<20;i++) angleOld[i] = angleNew[i];

    if(fin==NULL)fin=fopen("angle.txt","r");

    for(int i=0;i<20;i++)fscanf(fin,"%f",&angleNew[i]);///step03-2再讀新資料

    }

    float alpha = (t%10)/10.0;

    for(int i=0;i<20;i++){

            angle[i]= alpha*angleNew[i]+(1-alpha)*angleOld[i];

    }

    glutPostRedisplay();///step-02播放動畫 重劃畫面

}

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

{

    oldX=x;///當mouse按下去 記下位置

}

void motion(int x,int y)

{

    angle[angleID] += x-oldX; ///用x-oldX

    oldX=x;///在更新位置

    glutPostRedisplay();///現在這個比較好,

   // if(fout==NULL) fout=fopen("angle.txt","w+");

   // for(int i=0;i<20;i++)fprintf(fout,"%.1f",angle[i]);

   // fprintf(fout,"\n");

   // for(int i=0;i<20;i++)printf("%.1f",angle[i]);

   // printf("\n");///以上兩行讓你知道印了什麼

}

void keyboard( unsigned char key, int x, int y){ ///Step05

    if(key=='0') angleID=0; ///Step05

    if(key=='1') angleID=1; ///Step05

    if(key=='2') angleID=2; ///Step05

    if(key=='3') angleID=3; ///Step05

    if(key=='s'){///save 把所有的動作存檔後要關掉

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

        for(int i=0;i<20;i++)fprintf(fout,"%.1f",angle[i]);

        fprintf(fout,"\n");

        for(int i=0;i<20;i++)printf("%.1f",angle[i]);

        printf("\n");///以上兩行讓你知道印了什麼

    }

    if(key=='r'){///read 再開之後才能讀檔

    if(fin==NULL)fin=fopen("angle.txt","r");

    for(int i=0;i<20;i++)fscanf(fin,"%f",&angle[i]);

    glutPostRedisplay();///step-02播放動畫 重劃畫面

    }

    if(key=='p'){///play 利用timer整個播放

    }

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glutSolidTeapot( 0.3 );///身體

        glPushMatrix();///左半邊

            glTranslatef(-0.3,0,0);///(3)掛在正確的地方

            glRotatef(angle[0], 0,0,1);///(2)旋轉 ///Step05

            glTranslatef(-0.3,0,0);///(1)把關節旋轉中心放到畫面中心

            glutSolidTeapot( 0.3 );///左手臂(沒有重疊)

            glPushMatrix();

                glTranslatef(-0.3,0,0);///(3)掛在正確的地方

                glRotatef(angle[1], 0,0,1);///(2)旋轉 ///Step05

                glTranslatef(-0.3,0,0);///(1)把關節旋轉中心放到畫面中心

                glutSolidTeapot( 0.3 );///左手肘(重疊了)

            glPopMatrix();

        glPopMatrix();

        glPushMatrix();///右半邊

            glTranslatef(+0.3, 0,0 );

            glRotatef(-angle[2], 0,0,1);

            glTranslatef(+0.3, 0,0);

            glutSolidTeapot( 0.3 );///右手臂

            glPushMatrix();

                glTranslatef(+0.3, 0,0 );

                glRotatef(-angle[3], 0,0,1);

                glTranslatef(+0.3, 0,0);

                glutSolidTeapot( 0.3 );///右手肘

            glPopMatrix();

        glPopMatrix();

    glPopMatrix();

    glutSwapBuffers();

}

int main( int argc, char ** argv )

{

    glutInit( &argc, argv );

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week15 file");

    glutMouseFunc(mouse);

    glutMotionFunc(motion);

    glutKeyboardFunc(keyboard);///Step05 整合很多關節,會去改angleID

    glutTimerFunc(0, timer, 0);///Step04-2 設第1個timer做動畫

    glutDisplayFunc(display);

    glutMainLoop();

}

倫 電腦圖學 Week15

利用fprintf 印出 Hello World

#include <stdio.h>

int main(int argc,char**argv)

{

    FILE*fout=NULL;

    fout=fopen("檔名.txt","w+");

    printf("Hello World\n");

    fprintf(fout,"Hello World\n");

}

------------------------------------------------------

#include <stdio.h> int main(int argc,char**argv) { ///FILE*fout=NULL; ///fout=fopen("ÀɦW.txt","w+"); ///printf("Hello World\n"); ///fprintf(fout,"Hello World\n"); FILE*fin=NULL; fin=fopen("檔名.txt","r"); ///scanf("%d",&n); ///scanf("%f",&f); ///scanf("%c",&c); ///scanf("%s",line); char line[100]; fscanf(fin,"%s",line); printf("你讀到了字串: %s\n",line); fscanf(fin,"%s",line); printf("你讀到了字串: %s\n",line); }

-----------------------------------------------

讓茶壺繞著一個點轉動

#include <stdio.h> #include <GL/glut.h> float angle=0,diff=2; void timer(int t) { glutTimerFunc(30,timer,t+1); angle+=diff; if(angle>90)diff=-2; if(angle<0)diff=+2; glutPostRedisplay(); } void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix(); ///glutSolidTeapot(0.3); glPushMatrix(); glTranslatef(-0.3,0,0); glRotatef(angle,0,0,1); glTranslatef(-0.3,0,0); glutSolidTeapot(0.3); glPushMatrix(); ///glutSolidTeapot(0.3); glPopMatrix(); glPopMatrix(); glPopMatrix(); glutSwapBuffers(); } int main(int argc, char** argv) { glutInit( &argc, argv ); glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH ); glutCreateWindow(" Week15 08160315"); glutTimerFunc(0,timer,0); glutDisplayFunc(display); glutMainLoop(); }

---------------------------------------------------

連接三個一起擺動

#include <stdio.h> #include <GL/glut.h> float angle=0,diff=2; void timer(int t) { glutTimerFunc(30,timer,t+1); angle+=diff; if(angle>90)diff=-2; if(angle<0)diff=+2; glutPostRedisplay(); } void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix(); glutSolidTeapot(0.3); glPushMatrix(); glTranslatef(-0.3,0,0); glRotatef(angle,0,0,1); glTranslatef(-0.3,0,0); glutSolidTeapot(0.3); glPushMatrix(); glTranslatef(-0.3,0,0); glRotatef(angle,0,0,1); glTranslatef(-0.3,0,0); glutSolidTeapot(0.3); glPopMatrix(); glPopMatrix(); glPopMatrix(); glutSwapBuffers(); } int main(int argc, char** argv) { glutInit( &argc, argv ); glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH ); glutCreateWindow(" Week15 08160315"); glutTimerFunc(0,timer,0); glutDisplayFunc(display); glutMainLoop(); }

---------------------------------------------

上排 - 按1 只有外面動

下排 - 按0 中間動，外面"被帶動"，但外面沒動

#include <stdio.h>

#include <GL/glut.h>

float angle[20]={},diff=2;

int angleID=0;

void timer(int t)

{

    glutTimerFunc(30,timer,t+1);

    angle[angleID]+=diff;

    if(angle[angleID]>90)diff=-2;

    if(angle[angleID]<0)diff=+2;

    glutPostRedisplay();

}

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

{

    if(key=='1')angleID=1;

    if(key=='0')angleID=0;

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glutSolidTeapot(0.3);

        glPushMatrix();

            glTranslatef(-0.3,0,0);

            glRotatef(angle[0],0,0,1);

            glTranslatef(-0.3,0,0);

            glutSolidTeapot(0.3);

            glPushMatrix();

                glTranslatef(-0.3,0,0);

                glRotatef(angle[1],0,0,1);

                glTranslatef(-0.3,0,0);

                glutSolidTeapot(0.3);

            glPopMatrix();

        glPopMatrix();

    glPopMatrix();

    glutSwapBuffers();

}

int main(int argc, char** argv)

{

    glutInit( &argc, argv );

    glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH );

    glutCreateWindow(" Week15 file ");

    glutKeyboardFunc(keyboard);

    glutTimerFunc(0,timer,0);

    glutDisplayFunc(display);

    glutMainLoop();

}

-------------------------------------------------

機器人的雙手

按壓對應數字可控制那處關節!!

#include <stdio.h>///可割可棄

#include <GL/glut.h>

float angle[20]={}, diff=2;///Step05 本來只有1個角度,現在有很多個,初始為0

int angleID=0; ///Step05 現在要改第幾個角度!!!

void timer( int t ){

    glutTimerFunc( 30, timer, t+1 );

    angle[angleID] += diff; ///Step05

    if(angle[angleID]>90) diff=-2; ///Step05

    if(angle[angleID]<0) diff=+2; ///Step05

    glutPostRedisplay();///現在這個比較好, 以前會用 display()重畫

}

void keyboard( unsigned char key, int x, int y){ ///Step05

    if(key=='0') angleID=0; ///Step05

    if(key=='1') angleID=1; ///Step05

    if(key=='2') angleID=2; ///Step05

    if(key=='3') angleID=3; ///Step05

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glutSolidTeapot( 0.3 );///身體

        glPushMatrix();///左半邊

            glTranslatef(-0.3,0,0);///(3)掛在正確的地方

            glRotatef(angle[0], 0,0,1);///(2)旋轉 ///Step05

            glTranslatef(-0.3,0,0);///(1)把關節旋轉中心放到畫面中心

            glutSolidTeapot( 0.3 );///左手臂(沒有重疊)

            glPushMatrix();

                glTranslatef(-0.3,0,0);///(3)掛在正確的地方

                glRotatef(angle[1], 0,0,1);///(2)旋轉 ///Step05

                glTranslatef(-0.3,0,0);///(1)把關節旋轉中心放到畫面中心

                glutSolidTeapot( 0.3 );///左手肘(重疊了)

            glPopMatrix();

        glPopMatrix();

        glPushMatrix();///右半邊

            glTranslatef(+0.3, 0,0 );

            glRotatef(-angle[2], 0,0,1);

            glTranslatef(+0.3, 0,0);

            glutSolidTeapot( 0.3 );///右手臂

            glPushMatrix();

                glTranslatef(+0.3, 0,0 );

                glRotatef(-angle[3], 0,0,1);

                glTranslatef(+0.3, 0,0);

                glutSolidTeapot( 0.3 );///右手肘

            glPopMatrix();

        glPopMatrix();

    glPopMatrix();

    glutSwapBuffers();

}

int main( int argc, char ** argv )

{

    glutInit( &argc, argv );

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week15 file");

    glutKeyboardFunc(keyboard);///Step05 整合很多關節,會去改angleID

    glutTimerFunc(0, timer, 0);///Step04-2 設第1個timer做動畫

    glutDisplayFunc(display);

    glutMainLoop();

}

倫 電腦圖學 Week14

 

先開啟GLUT - 備份原始程式碼

---------------------------------------------------------------------------------------------

Timer

數三秒背景變紅色

#include <GL/glut.h>

static void display(void)

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glutWireSphere(0.3,30,30);

    glutSwapBuffers();

}

void timer(int t){

    glClearColor(1,0,0,0);

    display();

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("Week14 Timer");

    glutDisplayFunc(display);

    glutTimerFunc(3000,timer,0);

    glutMainLoop();

}

---------------------------------------------------------------------------

數三秒背景變紅色且方形開始轉!

#include <GL/glut.h>

float angle=0;

void display(void)

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glRotatef(angle,0,0,1);

        glutSolidCube(0.3);

    glPopMatrix();

    glutSwapBuffers();

}

void timer(int t){

    glutTimerFunc(30,timer,t+1);

    glClearColor(1,0,0,0);

    angle++;

    display();

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("Week14 Timer");

    glutDisplayFunc(display);

    glutTimerFunc(3000,timer,0);

    glutMainLoop();

}

------------------------------------------------

數三秒背景變紅色且方形開始轉，每轉90度往另一邊轉!

#include <GL/glut.h>

float angle=0;

void display(void)

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glRotatef(angle,0,0,1);

        glutSolidCube(0.3);

    glPopMatrix();

    glutSwapBuffers();

}

int diff=2;

void timer(int t){

    glutTimerFunc(30,timer,t+1);

    glClearColor(1,0,0,0);

    if(angle>90) diff=-2;

    if(angle<0) diff=+2;

    angle += diff;

    angle++;

    display();

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("Week14 Timer");

    glutDisplayFunc(display);

    glutTimerFunc(3000,timer,0);

    glutMainLoop();

}

------------------------------------------------------------------------------

掛上身體和肩膀!

#include <GL/glut.h>

float angle=0;

void drawArml(){

    glPushMatrix();

    glScalef(1,0.5,0.5);

    glColor3f(0,1,0); glutSolidCube(0.2);

    glPopMatrix();

}

void display(void)

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

    glColor3f(1,1,1); glutSolidCube(0.4);

        glTranslatef(-0.2,0.2,0);

        glRotatef(angle,0,0,1);

        glTranslatef(-0.1,0,0);

        drawArml();

        glPopMatrix();

    glPopMatrix();

    glutSwapBuffers();

}

int diff=2;

void timer(int t){

    glutTimerFunc(30,timer,t+1);

    glClearColor(1,0,0,0);

    if(angle>90) diff=-2;

    if(angle<0) diff=+2;

    angle += diff;

    angle++;

    display();

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("Week14 Timer");

    glutDisplayFunc(display);

    glutTimerFunc(3000,timer,0);

    glutMainLoop();

}

倫 電腦圖學 Week12

----------------------------

-----------------------------------

------------------------------------

--------------------------------

倫 電腦圖學 Week11

把模型匯進來!! 

#include "glm.h"

GLMmodel* pmodel = NULL;

void

drawmodel(void)

{

    if (!pmodel) {

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

if (!pmodel) exit(0);

glmUnitize(pmodel);

glmFacetNormals(pmodel);

glmVertexNormals(pmodel, 90.0);

    }

    glmDraw(pmodel, GLM_SMOOTH | GLM_MATERIAL);

}

void display(void)

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    drawmodel();

    glutSwapBuffers();

}

int main(int argc, char** argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("08160315");

    glutDisplayFunc(display);

    glutMainLoop();

}

------------------------------------------------------------------------------

打光轉正!!

#include "glm.h"

GLMmodel* pmodel = NULL;

void

drawmodel(void)

{

    if (!pmodel) {

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

if (!pmodel) exit(0);

glmUnitize(pmodel);

glmFacetNormals(pmodel);

glmVertexNormals(pmodel, 90.0);

    }

    glmDraw(pmodel, GLM_SMOOTH | GLM_MATERIAL);

}

void display(void)

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glRotatef(180, 0,1,0);

        drawmodel();

    glPopMatrix();

    glutSwapBuffers();

}

const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };

const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_position[] = { 2.0f, 5.0f, -5.0f, 0.0f };

const GLfloat mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };

const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };

const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat high_shininess[] = { 100.0f };

int main(int argc, char** argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("08160315");

    glEnable(GL_DEPTH_TEST);

    glEnable(GL_LIGHT0);

    glEnable(GL_NORMALIZE);

    glEnable(GL_COLOR_MATERIAL);

    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);

    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);

    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);

    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);

    glutDisplayFunc(display);

    glutMainLoop();

}

---------------------------------------------------------------------------------------------------

倫 電腦圖學 Week10

發出聲音

----------------------------------------------------------------------------------------

茶壺加聲音

 #include <windows.h>

#include <GL/glut.h>

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glutSolidTeapot(0.3);

    glutSwapBuffers();

}

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

{

    if(key=='1')PlaySound("do.wav",NULL,SND_ASYNC);

    if(key=='2')PlaySound("re.wav",NULL,SND_ASYNC);

    if(key=='3')PlaySound("mi.wav",NULL,SND_ASYNC);

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("08160315");

    glutDisplayFunc(display);

    glutKeyboardFunc(keyboard);

    glutMainLoop();

}