這次我做了一個會跳舞的紙箱人,運用了六個部件和五個關節
2017電腦圖學 Computer Graphics 授課教師: 葉正聖 銘傳大學資訊傳播工程系 每週主題: 程式環境、點線面顏色、移動/旋轉/縮放與矩陣(Matrix)、階層性關節轉動(T-R-T)、做出機器人、打光、貼圖、glu/glut函式、鍵盤、滑鼠、計時器(timer)、讀入3D模型、粒子系統、聲音、特效、投影矩陣、攝影機與運鏡、機器人2.0、期末作品
2017年7月2日 星期日
2017年6月5日 星期一
week16
作業1:
<運鏡>
利用 LOOK AT 可以達到從各個角度去看視窗內的東西
#include <stdio.h>#include <GL/glut.h>
void display (){ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix (); glutSolidTeapot(1); glPopMatrix();
glutSwapBuffers();}void motion (int x,int y){ glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(x/80.0, y/200.0,5, ////照相機的位置
0, 0, 0, ///物體的位置
0, 1, 0); ///照相機拍攝的方向 0, 0, 0, ///物體的位置 0, 1, 0); ///照相機拍攝的方向 glutPostRedisplay();}void resize(int w, int h){ glViewport(0, 0,(GLsizei) w, (GLsizei) h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(65.0,(GLdouble) w / h,1.0, 100.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(0.0, 0.0,5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);}int main (int argc, char**argv){ glutInit(&argc,argv); glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH); glutCreateWindow(":D"); glutDisplayFunc(display); glutMotionFunc(motion); glutReshapeFunc(resize); glutMainLoop();}
作業2:搭配有關節動作的機器人複雜程式做運鏡
#include <stdio.h>#include <GL/glut.h>float rot[10]={0}, rotOld[10]={0}, rotNew[10]={0};int rotNow=0, oldX=0, oldY=0;;FILE *fout=0, *fin=0;void timer(int t){ float alpha=(t%10)/10.0;///!!!! //pos = newX*alpha+oldX*(1-alpha); if(t%10==0){ if(fin==NULL) fin=fopen("motion.txt", "r"); for(int i=0;i<7;i++){ rotOld[i]=rotNew[i]; fscanf(fin, "%f", &rotNew[i]); } } for(int i=0;i<7;i++){ rot[i]=rotNew[i]*alpha+rotOld[i]*(1-alpha); } glutTimerFunc(100, timer, t+1); glutPostRedisplay();}
void display(){ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix();
glPushMatrix(); glutWireCube(0.3);///body glPushMatrix(); glTranslatef(0,0.2,0); glutWireCube(0.1);///head glPopMatrix();
glPushMatrix();
glTranslatef(0.15,0.1,0); glRotatef(rot[0],0,0,1); glTranslatef(0.05,0,0); glutWireCube(0.1);///upper arm
glTranslatef(0.05,0,0); glRotatef(rot[1],0,0,1); glTranslatef(0.05,0,0); glutWireCube(0.1);///lower arm
glTranslatef(0.05,0,0); glRotatef(rot[2],0,0,1); glTranslatef(0.05,0,0); glutWireCube(0.1);///right arm
glPopMatrix();
glPushMatrix(); ///glTranslatef(-0.2,0.1,0); glTranslatef(-0.15,0.1,0); glRotatef(-rot[4],0,0,1); glTranslatef(-0.05,0,0);
glutWireCube(0.1);///upper arm
glTranslatef(-0.05,0,0); glRotatef(-rot[5],0,0,1); glTranslatef(-0.05,0,0);
glutWireCube(0.1);///lower arm
glTranslatef(-0.05,0,0); glRotatef(-rot[6],0,0,1); glTranslatef(-0.05,0,0);
glutWireCube(0.1);///right hand glPopMatrix();
glPopMatrix(); glPopMatrix(); glutSwapBuffers();}void keyboard(unsigned char key, int x, int y){ if(key=='0') rotNow=0; if(key=='1') rotNow=1; if(key=='2') rotNow=2; if(key=='3') rotNow=3; if(key=='4') rotNow=4; if(key=='5') rotNow=5; if(key=='6') rotNow=6; if(key=='r'){///按小寫的r 會去讀1行/一組x,y if(fin==NULL) fin=fopen("motion.txt", "r"); for(int i=0;i<7;i++){ fscanf(fin, "%f", &rot[i]); } } if(key=='t'){ if(fin==NULL) fin=fopen("motion.txt", "r"); for(int i=0;i<7;i++){ fscanf(fin, "%f", &rotNew[i]); } glutTimerFunc(100,timer, 0); glutPostRedisplay(); } if(key=='s'){///!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! if(fout==NULL) fout=fopen("motion.txt", "w+"); for(int i=0;i<7;i++){ fprintf(fout, "%3.1f ", rot[i]); printf("%3.1f ", rot[i]); } fprintf(fout, "\n"); printf("\n"); } glutPostRedisplay();///電腦貼個Post-It便利貼,告訴GLUT有空要重畫畫面哦}void mouse(int button, int state, int x, int y){///先開冰箱門(滑鼠按下去),把大象塞進去(滑鼠drag),最後再關上冰箱門(起來) if(state==GLUT_DOWN){ oldX=x; oldY=y; }}void motion(int x,int y){ rot[rotNow] += x-oldX; oldX = x; glutPostRedisplay(); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(x/80.0,y/200.0,5, 0,0,0, 0,1,0); glutPostRedisplay();}void resize(int w,int h){ glViewport(0,0,(GLsizei)w,(GLsizei)h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(10.0,(GLdouble)w/h,1.0,100.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(0.0,0.0,5.0, 0.0,0.0,0.0, 0.0,1.0,0.0);}int main (int argc,char**argv){ glutInit(&argc,argv); glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH); glutCreateWindow("camera"); glutDisplayFunc(display); glutKeyboardFunc(keyboard); glutMouseFunc(mouse); glutMotionFunc(motion); glutReshapeFunc(resize); glutMainLoop();}
<運鏡>
利用 LOOK AT 可以達到從各個角度去看視窗內的東西
#include <stdio.h>#include <GL/glut.h>
void display (){ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix (); glutSolidTeapot(1); glPopMatrix();
glutSwapBuffers();}void motion (int x,int y){ glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(x/80.0, y/200.0,5, ////照相機的位置
0, 0, 0, ///物體的位置
0, 1, 0); ///照相機拍攝的方向 0, 0, 0, ///物體的位置 0, 1, 0); ///照相機拍攝的方向 glutPostRedisplay();}void resize(int w, int h){ glViewport(0, 0,(GLsizei) w, (GLsizei) h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(65.0,(GLdouble) w / h,1.0, 100.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(0.0, 0.0,5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);}int main (int argc, char**argv){ glutInit(&argc,argv); glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH); glutCreateWindow(":D"); glutDisplayFunc(display); glutMotionFunc(motion); glutReshapeFunc(resize); glutMainLoop();}
作業2:搭配有關節動作的機器人複雜程式做運鏡
#include <stdio.h>#include <GL/glut.h>float rot[10]={0}, rotOld[10]={0}, rotNew[10]={0};int rotNow=0, oldX=0, oldY=0;;FILE *fout=0, *fin=0;void timer(int t){ float alpha=(t%10)/10.0;///!!!! //pos = newX*alpha+oldX*(1-alpha); if(t%10==0){ if(fin==NULL) fin=fopen("motion.txt", "r"); for(int i=0;i<7;i++){ rotOld[i]=rotNew[i]; fscanf(fin, "%f", &rotNew[i]); } } for(int i=0;i<7;i++){ rot[i]=rotNew[i]*alpha+rotOld[i]*(1-alpha); } glutTimerFunc(100, timer, t+1); glutPostRedisplay();}
void display(){ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix();
glPushMatrix(); glutWireCube(0.3);///body glPushMatrix(); glTranslatef(0,0.2,0); glutWireCube(0.1);///head glPopMatrix();
glPushMatrix();
glTranslatef(0.15,0.1,0); glRotatef(rot[0],0,0,1); glTranslatef(0.05,0,0); glutWireCube(0.1);///upper arm
glTranslatef(0.05,0,0); glRotatef(rot[1],0,0,1); glTranslatef(0.05,0,0); glutWireCube(0.1);///lower arm
glTranslatef(0.05,0,0); glRotatef(rot[2],0,0,1); glTranslatef(0.05,0,0); glutWireCube(0.1);///right arm
glPopMatrix();
glPushMatrix(); ///glTranslatef(-0.2,0.1,0); glTranslatef(-0.15,0.1,0); glRotatef(-rot[4],0,0,1); glTranslatef(-0.05,0,0);
glutWireCube(0.1);///upper arm
glTranslatef(-0.05,0,0); glRotatef(-rot[5],0,0,1); glTranslatef(-0.05,0,0);
glutWireCube(0.1);///lower arm
glTranslatef(-0.05,0,0); glRotatef(-rot[6],0,0,1); glTranslatef(-0.05,0,0);
glutWireCube(0.1);///right hand glPopMatrix();
glPopMatrix(); glPopMatrix(); glutSwapBuffers();}void keyboard(unsigned char key, int x, int y){ if(key=='0') rotNow=0; if(key=='1') rotNow=1; if(key=='2') rotNow=2; if(key=='3') rotNow=3; if(key=='4') rotNow=4; if(key=='5') rotNow=5; if(key=='6') rotNow=6; if(key=='r'){///按小寫的r 會去讀1行/一組x,y if(fin==NULL) fin=fopen("motion.txt", "r"); for(int i=0;i<7;i++){ fscanf(fin, "%f", &rot[i]); } } if(key=='t'){ if(fin==NULL) fin=fopen("motion.txt", "r"); for(int i=0;i<7;i++){ fscanf(fin, "%f", &rotNew[i]); } glutTimerFunc(100,timer, 0); glutPostRedisplay(); } if(key=='s'){///!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! if(fout==NULL) fout=fopen("motion.txt", "w+"); for(int i=0;i<7;i++){ fprintf(fout, "%3.1f ", rot[i]); printf("%3.1f ", rot[i]); } fprintf(fout, "\n"); printf("\n"); } glutPostRedisplay();///電腦貼個Post-It便利貼,告訴GLUT有空要重畫畫面哦}void mouse(int button, int state, int x, int y){///先開冰箱門(滑鼠按下去),把大象塞進去(滑鼠drag),最後再關上冰箱門(起來) if(state==GLUT_DOWN){ oldX=x; oldY=y; }}void motion(int x,int y){ rot[rotNow] += x-oldX; oldX = x; glutPostRedisplay(); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(x/80.0,y/200.0,5, 0,0,0, 0,1,0); glutPostRedisplay();}void resize(int w,int h){ glViewport(0,0,(GLsizei)w,(GLsizei)h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(10.0,(GLdouble)w/h,1.0,100.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(0.0,0.0,5.0, 0.0,0.0,0.0, 0.0,1.0,0.0);}int main (int argc,char**argv){ glutInit(&argc,argv); glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH); glutCreateWindow("camera"); glutDisplayFunc(display); glutKeyboardFunc(keyboard); glutMouseFunc(mouse); glutMotionFunc(motion); glutReshapeFunc(resize); glutMainLoop();}
2017年5月29日 星期一
week15
課堂作業1:
步驟1:依照下圖用Excel做出內插法


課堂作業2:
步驟1:用Code::Blocks做出內插法
步驟2:將開設定的咒語等都設定完畢
步驟3:將程式碼輸入
(程式碼如下)
#include <stdio.h>
#include <GL/glut.h>
float pos=0, oldX=0.7, newX=0.1;
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(pos,0,0);
glutSolidTeapot(0.2);
glPopMatrix();
glutSwapBuffers();
}
void timer(int t)
{
float alpha=t/100.0;
pos = newX*alpha+oldX*(1-alpha);
printf("%d %f %f\n",t,alpha,pos);
glutTimerFunc(100,timer,t+1);
glutPostRedisplay();
}
int main(int argc,char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("3D");
glutDisplayFunc(display);
glutTimerFunc(100,timer,0);
glutMainLoop();
}

課堂作業3:
在上禮拜的機器人身上用上內插法
步驟1:叫出機器人的程式碼與今天所學的內插法
(以下程式是老師給的裡面的內容需要研究)
#include <stdio.h>
#include <GL/glut.h>
float rot[10]={0}, rotOld[10]={0}, rotNew[10]={0};
int rotNow=0, oldX=0, oldY=0;;
FILE *fout=0, *fin=0;
void timer(int t)
{
float alpha=(t%10)/10.0;///!!!!
//pos = newX*alpha+oldX*(1-alpha);
if(t%10==0){
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0;i<7;i++){
rotOld[i]=rotNew[i];
fscanf(fin, "%f", &rotNew[i]);
}
}
for(int i=0;i<7;i++){
rot[i]=rotNew[i]*alpha+rotOld[i]*(1-alpha);
}
glutTimerFunc(100, timer, t+1);
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glPushMatrix();
glutWireCube(0.3);///body
glPushMatrix();
glTranslatef(0,0.2,0);
glutWireCube(0.1);///head
glPopMatrix();
glPushMatrix();
glTranslatef(0.15,0.1,0);
glRotatef(rot[0],0,0,1);
glTranslatef(0.05,0,0);
glutWireCube(0.1);///upper arm
glTranslatef(0.05,0,0);
glRotatef(rot[1],0,0,1);
glTranslatef(0.05,0,0);
glutWireCube(0.1);///lower arm
glTranslatef(0.05,0,0);
glRotatef(rot[2],0,0,1);
glTranslatef(0.05,0,0);
glutWireCube(0.1);///right arm
glPopMatrix();
glPushMatrix();
///glTranslatef(-0.2,0.1,0);
glTranslatef(-0.15,0.1,0);
glRotatef(-rot[4],0,0,1);
glTranslatef(-0.05,0,0);
glutWireCube(0.1);///upper arm
glTranslatef(-0.05,0,0);
glRotatef(-rot[5],0,0,1);
glTranslatef(-0.05,0,0);
glutWireCube(0.1);///lower arm
glTranslatef(-0.05,0,0);
glRotatef(-rot[6],0,0,1);
glTranslatef(-0.05,0,0);
glutWireCube(0.1);///right hand
glPopMatrix();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
void keyboard(unsigned char key, int x, int y)
{
if(key=='0') rotNow=0;
if(key=='1') rotNow=1;
if(key=='2') rotNow=2;
if(key=='3') rotNow=3;
if(key=='4') rotNow=4;
if(key=='5') rotNow=5;
if(key=='6') rotNow=6;
if(key=='r'){///按小寫的r 會去讀1行/一組x,y
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0;i<7;i++){
fscanf(fin, "%f", &rot[i]);
}
}
if(key=='t'){
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0;i<7;i++){
fscanf(fin, "%f", &rotNew[i]);
}
glutTimerFunc(100,timer, 0);
glutPostRedisplay();
}
if(key=='s'){///!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if(fout==NULL) fout=fopen("motion.txt", "w+");
for(int i=0;i<7;i++){
fprintf(fout, "%3.1f ", rot[i]);
printf("%3.1f ", rot[i]);
}
fprintf(fout, "\n");
printf("\n");
}
glutPostRedisplay();///電腦貼個Post-It便利貼,告訴GLUT有空要重畫畫面哦
}
void motion(int x, int y)
{
rot[rotNow] += x-oldX;
oldX = x;
glutPostRedisplay();
}
void mouse(int button, int state, int x, int y)
{///先開冰箱門(滑鼠按下去),把大象塞進去(滑鼠drag),最後再關上冰箱門(起來)
if(state==GLUT_DOWN){
oldX=x; oldY=y;
}
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("3D Interpolate");
glutDisplayFunc(display);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
glutMouseFunc(mouse);
//glutTimerFunc(100, timer, 0);
glutMainLoop();
}



課堂作業2:
步驟1:用Code::Blocks做出內插法
步驟2:將開設定的咒語等都設定完畢
步驟3:將程式碼輸入
(程式碼如下)
#include <stdio.h>
#include <GL/glut.h>
float pos=0, oldX=0.7, newX=0.1;
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(pos,0,0);
glutSolidTeapot(0.2);
glPopMatrix();
glutSwapBuffers();
}
void timer(int t)
{
float alpha=t/100.0;
pos = newX*alpha+oldX*(1-alpha);
printf("%d %f %f\n",t,alpha,pos);
glutTimerFunc(100,timer,t+1);
glutPostRedisplay();
}
int main(int argc,char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("3D");
glutDisplayFunc(display);
glutTimerFunc(100,timer,0);
glutMainLoop();
}

在上禮拜的機器人身上用上內插法
步驟1:叫出機器人的程式碼與今天所學的內插法
(以下程式是老師給的裡面的內容需要研究)
#include <stdio.h>
#include <GL/glut.h>
float rot[10]={0}, rotOld[10]={0}, rotNew[10]={0};
int rotNow=0, oldX=0, oldY=0;;
FILE *fout=0, *fin=0;
void timer(int t)
{
float alpha=(t%10)/10.0;///!!!!
//pos = newX*alpha+oldX*(1-alpha);
if(t%10==0){
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0;i<7;i++){
rotOld[i]=rotNew[i];
fscanf(fin, "%f", &rotNew[i]);
}
}
for(int i=0;i<7;i++){
rot[i]=rotNew[i]*alpha+rotOld[i]*(1-alpha);
}
glutTimerFunc(100, timer, t+1);
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glPushMatrix();
glutWireCube(0.3);///body
glPushMatrix();
glTranslatef(0,0.2,0);
glutWireCube(0.1);///head
glPopMatrix();
glPushMatrix();
glTranslatef(0.15,0.1,0);
glRotatef(rot[0],0,0,1);
glTranslatef(0.05,0,0);
glutWireCube(0.1);///upper arm
glTranslatef(0.05,0,0);
glRotatef(rot[1],0,0,1);
glTranslatef(0.05,0,0);
glutWireCube(0.1);///lower arm
glTranslatef(0.05,0,0);
glRotatef(rot[2],0,0,1);
glTranslatef(0.05,0,0);
glutWireCube(0.1);///right arm
glPopMatrix();
glPushMatrix();
///glTranslatef(-0.2,0.1,0);
glTranslatef(-0.15,0.1,0);
glRotatef(-rot[4],0,0,1);
glTranslatef(-0.05,0,0);
glutWireCube(0.1);///upper arm
glTranslatef(-0.05,0,0);
glRotatef(-rot[5],0,0,1);
glTranslatef(-0.05,0,0);
glutWireCube(0.1);///lower arm
glTranslatef(-0.05,0,0);
glRotatef(-rot[6],0,0,1);
glTranslatef(-0.05,0,0);
glutWireCube(0.1);///right hand
glPopMatrix();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
void keyboard(unsigned char key, int x, int y)
{
if(key=='0') rotNow=0;
if(key=='1') rotNow=1;
if(key=='2') rotNow=2;
if(key=='3') rotNow=3;
if(key=='4') rotNow=4;
if(key=='5') rotNow=5;
if(key=='6') rotNow=6;
if(key=='r'){///按小寫的r 會去讀1行/一組x,y
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0;i<7;i++){
fscanf(fin, "%f", &rot[i]);
}
}
if(key=='t'){
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0;i<7;i++){
fscanf(fin, "%f", &rotNew[i]);
}
glutTimerFunc(100,timer, 0);
glutPostRedisplay();
}
if(key=='s'){///!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if(fout==NULL) fout=fopen("motion.txt", "w+");
for(int i=0;i<7;i++){
fprintf(fout, "%3.1f ", rot[i]);
printf("%3.1f ", rot[i]);
}
fprintf(fout, "\n");
printf("\n");
}
glutPostRedisplay();///電腦貼個Post-It便利貼,告訴GLUT有空要重畫畫面哦
}
void motion(int x, int y)
{
rot[rotNow] += x-oldX;
oldX = x;
glutPostRedisplay();
}
void mouse(int button, int state, int x, int y)
{///先開冰箱門(滑鼠按下去),把大象塞進去(滑鼠drag),最後再關上冰箱門(起來)
if(state==GLUT_DOWN){
oldX=x; oldY=y;
}
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("3D Interpolate");
glutDisplayFunc(display);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
glutMouseFunc(mouse);
//glutTimerFunc(100, timer, 0);
glutMainLoop();
}
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