2020電腦圖學A: (*^ω^*) 喵～Week16

➽動畫內插

方法:(內插法)

Alpha * 新的值 + (1-Alpha) * 舊的值

動作存檔(只存關鍵影格)

#include <GL/glut.h>
#include <stdio.h>
FILE * fout=NULL;
FILE * fin=NULL;
int angle[10]={0,0,0,0,0, 0,0,0,0,0};
int angleID=0;
int oldX, oldY;
void display();
void motion(int x, int y);
void mouse(int button, int state, int x, int y);
void keyboard(unsigned char key, int x, int y);
void saveAll();
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);
glutSolidTeapot(0.2);
glPushMatrix();
glTranslatef(0.2, 0,0 );
glRotatef(angle[0], 0,0,1);
glTranslatef(0.2, 0,0 );
glColor3f(1,0,0);
glutSolidTeapot(0.2);
glPushMatrix();
glTranslatef(0.2, 0,0);
glRotatef(angle[1], 0,0,1);
glTranslatef(0.2, 0,0);
glColor3f(1,1,0);
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.2, 0,0 );
glRotatef(angle[2], 0,0,1);
glTranslatef(-0.2, 0,0 );
glColor3f(0,1,0);
glutSolidTeapot(0.2);
glPushMatrix();
glTranslatef(-0.2, 0,0);
glRotatef(angle[3], 0,0,1);
glTranslatef(-0.2, 0,0);
glColor3f(0,0,1);
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
void mouse(int button, int state, int x, int y)
{
oldX=x; oldY=y;
}
void saveAll()///(自己寫的函式)全部存檔
{
if(fout==NULL) fout=fopen("motion.txt", "w+");
for(int i=0; i<10; i++){
printf( "%d ", angle[i]);
fprintf(fout, "%d ", angle[i]);
}
printf( "\n");
fprintf(fout, "\n");
}
void motion(int x, int y)
{
angle[angleID] += (x-oldX);
oldX=x;
///不要一直saveAll() saveAll();
glutPostRedisplay();
}
void readAll()
{
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0; i<10; i++){
fscanf(fin, "%d", &angle[i]);
}
}
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=='s') saveAll();///調好動作,才存檔
if(key=='r'){
readAll();
glutPostRedisplay();
}
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week16");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
glutMainLoop();
}

Alpha補間內插(自動播放)

#include <GL/glut.h>
#include <stdio.h>
FILE * fout=NULL;
FILE * fin=NULL;
int angle[10]={0,0,0,0,0, 0,0,0,0,0};
int angleID=0;
int oldX, oldY;
int newAngle[10],oldAngle[10];
void display();
void motion(int x, int y);
void mouse(int button, int state, int x, int y);
void keyboard(unsigned char key, int x, int y);
void saveAll();
void timer(int t)
{
glutTimerFunc(100,timer,t+1);//100ms 之後開啟timer,timer(t+1)
if(t==0){
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0; i<10; i++){
fscanf(fin, "%d", &newAngle[i]);
}
}
if(t%10==0){
for(int i=0;i<10;i++){
oldAngle[i]=newAngle[i];
fscanf(fin,"%d",&newAngle[i]);
}
}
float Alpha = (t%10)/10.0;///一秒十畫
for(int i=0;i<10; i++){
angle[i]=Alpha*newAngle[i]+(1-Alpha)*oldAngle[i];
printf("%d",angle[i]);///debug用
}
printf("%.2f\n",Alpha);///debug用
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);
glutSolidTeapot(0.2);
glPushMatrix();
glTranslatef(0.2, 0,0 );
glRotatef(angle[0], 0,0,1);
glTranslatef(0.2, 0,0 );
glColor3f(1,0,0);
glutSolidTeapot(0.2);
glPushMatrix();
glTranslatef(0.2, 0,0);
glRotatef(angle[1], 0,0,1);
glTranslatef(0.2, 0,0);
glColor3f(1,1,0);
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.2, 0,0 );
glRotatef(angle[2], 0,0,1);
glTranslatef(-0.2, 0,0 );
glColor3f(0,1,0);
glutSolidTeapot(0.2);
glPushMatrix();
glTranslatef(-0.2, 0,0);
glRotatef(angle[3], 0,0,1);
glTranslatef(-0.2, 0,0);
glColor3f(0,0,1);
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
void mouse(int button, int state, int x, int y)
{
oldX=x; oldY=y;
}
void saveAll()///(自己寫的函式)全部存檔
{
if(fout==NULL) fout=fopen("motion.txt", "w+");
for(int i=0; i<10; i++){
printf( "%d ", angle[i]);
fprintf(fout, "%d ", angle[i]);
}
printf( "\n");
fprintf(fout, "\n");
}
void motion(int x, int y)
{
angle[angleID] += (x-oldX);
oldX=x;
///不要一直saveAll() saveAll();
glutPostRedisplay();
}
void readAll()
{
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0; i<10; i++){
fscanf(fin, "%d", &angle[i]);
}
}
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=='s') saveAll();///調好動作,才存檔
if(key=='r'){
readAll();
glutPostRedisplay();
}
if(key=='p'){
glutTimerFunc(0,timer,0);//0ms 馬上開啟timer,timer(0)
}
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week16");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
glutMainLoop();
}

增加更多關節，整體上下移動

#include <GL/glut.h>
#include <stdio.h>
FILE * fout=NULL;
FILE * fin=NULL;
int angle[20]={};///增加關節
int angleID=0;
int oldX, oldY;
void display();
void motion(int x, int y);
void mouse(int button, int state, int x, int y);
void keyboard(unsigned char key, int x, int y);
void saveAll();
int oldAngle[20]={};///增加關節
int newAngle[20]={};///增加關節
void timer(int t)
{
glutTimerFunc(100, timer, t+1);
if(t==0){
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0; i<20; i++){///增加關節
fscanf(fin, "%d", &newAngle[i]);
}
}
if(t%10==0){
for(int i=0; i<20; i++){///增加關節
oldAngle[i] = newAngle[i];
fscanf(fin, "%d", &newAngle[i]);
}
}
float Alpha = (t%10)/10.0;
for(int i=0; i<20; i++){///增加關節
angle[i] = Alpha*newAngle[i]+(1-Alpha)*oldAngle[i];
printf("%d ", angle[i]);///debug用
}
printf(" %.2f\n", Alpha);///debug用
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();///保護一下
glTranslatef( angle[11]/200.0, angle[12]/200.0, 0);
///增加關節, 整數變成 float,才不會跳
glColor3f(1,1,1);
glutSolidTeapot(0.2);
glPushMatrix();
glTranslatef(0.2, 0,0 );
glRotatef(angle[0], 0,0,1);
glTranslatef(0.2, 0,0 );
glColor3f(1,0,0);
glutSolidTeapot(0.2);
glPushMatrix();
glTranslatef(0.2, 0,0);
glRotatef(angle[1], 0,0,1);
glTranslatef(0.2, 0,0);
glColor3f(1,1,0);
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.2, 0,0 );
glRotatef(angle[2], 0,0,1);
glTranslatef(-0.2, 0,0 );
glColor3f(0,1,0);
glutSolidTeapot(0.2);
glPushMatrix();
glTranslatef(-0.2, 0,0);
glRotatef(angle[3], 0,0,1);
glTranslatef(-0.2, 0,0);
glColor3f(0,0,1);
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glPopMatrix();///保護一下
glutSwapBuffers();
}
void mouse(int button, int state, int x, int y)
{
oldX=x; oldY=y;
}
void saveAll()
{
if(fout==NULL) fout=fopen("motion.txt", "w+");
for(int i=0; i<20; i++){///增加關節
printf( "%d ", angle[i]);
fprintf(fout, "%d ", angle[i]);
}
printf( "\n");
fprintf(fout, "\n");
}
void motion(int x, int y)
{
angle[angleID] += (x-oldX);
if(angleID==11) angle[angleID+1] += (oldY-y);///增加關節
///如果是移動的關節,一次動2個 angieID, angleID+1
oldX=x; oldY=y;///增加關節
glutPostRedisplay();
}
void readAll()
{
if(fin==NULL) fin=fopen("motion.txt", "r");
for(int i=0; i<20; i++){//增加關節
fscanf(fin, "%d", &angle[i]);
}
}
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=='a') angleID=11;///移動的關節 ///增加關節
if(key=='s') saveAll();
if(key=='r'){
readAll();
glutPostRedisplay();
}
if(key=='p'){
glutTimerFunc(0, timer, 0);
}
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week16");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
glutMainLoop();
}

2020電腦圖學A

2020年6月10日星期三

(^ω^) 喵～Week16

沒有留言:

張貼留言

2020年6月10日 星期三

(*^ω^*) 喵～Week16

沒有留言:

張貼留言

2020年6月10日星期三

(^ω^) 喵～Week16