210607 week16
🔔❤️錄製動作、內插動畫
首先開一個新的GLUT檔案,把15週的程式碼複製進來
可以參考我的💁第十五週
https://2021graphics.blogspot.com/2021/05/jojoweek15.html
更改圈起來那兩行
👉float angle[20]={},diff=2;
int angleID=0;
更改圈起來那幾行
更改圈起來那幾行
就可以利用鍵盤移動茶壺手臂
#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=='0') angleID=0;
if(key=='1') angleID=1;
if(key=='2') angleID=2;
if(key=='3') angleID=3;
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );///清空
glPushMatrix();
glutSolidTeapot(0.3);///身體
glPushMatrix();
glTranslatef(-0.3,0,0);
glRotatef(angle[0],0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot(0.3);///左手臂
glPushMatrix();
glTranslatef(-0.3,0,0);
glRotatef(angle[1],0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot(0.3);///左手肘
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(+0.3,0,0);
glRotatef(-angle[2], 0,0,1);
glTranslatef(+0.3,0,0);
glutSolidTeapot( 0.3 );///右手臂
glPushMatrix();///step05-3
glTranslatef(+0.3,0,0);
glRotatef(-angle[3], 0,0,1);
glTranslatef(+0.3,0,0);
glutSolidTeapot( 0.3 );///右手肘
glPopMatrix();///Step05-3
glPopMatrix();///Step05-2
glPopMatrix();///Step05-2
glutSwapBuffers();///交換兩倍的Buffers
}
int main(int argc, char**argv)///???以前是int main()
{
glutInit(&argc,argv);///(1)GLUT初始設定
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);///(2)顯示模式
glutCreateWindow("我是week16的JOJO");
glutKeyboardFunc(keyboard);
glutDisplayFunc(display);///(4)等一下要顯示的函式(display顯示函式)
glutTimerFunc(0,timer,0);
glutMainLoop();///(5)主要迴圈
}
加入滑鼠的功能
用滑鼠動關節
用鍵盤可以選擇要動哪一個關節
在freeglut裡面的bin下會出現一個angle資料夾
按"s"鍵會顯示出位置
#include <stdio.h>
#include <GL/glut.h>
float angle[20]={},diff=2;
int angleID=0;
void timer(int t)
{///timer()什麼都不做
/// glutTimerFunc( 30, timer, t+1 );///上週程式 設定新的timer
}
///想要用 mouse() 及 motion() 來操作關節!!!! (期末作品),第07週教過
int oldX=0, oldY=0;
void mouse( int button, int state, int x, int y )
{///mouse按下去時, 記下現在的位置
oldX = x;
oldY = y;
}
void motion( int x, int y )
{///mouse motion時, 會叫這個 motion()
angle[angleID] += x - oldX;
oldX = x;
glutPostRedisplay();///上週教display();
}
#include<stdio.h>
FILE*fout=NULL;
FILE*fin=NULL;
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')
{
if(fout==NULL) fout=fopen("angle.txt","w+");
for(int i=0;i<20;i++)printf("%.2f",angle[i]);
printf("\n");
for(int i=0;i<20;i++)fprintf(fout,"%.2f",angle[i]);
fprintf(fout,"\n");
}
if(key=='r')
{
if(fin==NULL) fin=fopen("angle.txt","r");
for(int i=0;i<20;i++) fscanf(fin,"%f",&angle[i]);
glutPostRedisplay();
}
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );///清空
glPushMatrix();
glutSolidTeapot(0.3);///身體
glPushMatrix();
glTranslatef(-0.3,0,0);
glRotatef(angle[0],0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot(0.3);///左手臂
glPushMatrix();
glTranslatef(-0.3,0,0);
glRotatef(angle[1],0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot(0.3);///左手肘
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(+0.3,0,0);
glRotatef(-angle[2], 0,0,1);
glTranslatef(+0.3,0,0);
glutSolidTeapot( 0.3 );///右手臂
glPushMatrix();///step05-3
glTranslatef(+0.3,0,0);
glRotatef(-angle[3], 0,0,1);
glTranslatef(+0.3,0,0);
glutSolidTeapot( 0.3 );///右手肘
glPopMatrix();///Step05-3
glPopMatrix();///Step05-2
glPopMatrix();///Step05-2
glutSwapBuffers();///交換兩倍的Buffers
}
int main(int argc, char**argv)///???以前是int main()
{
glutInit(&argc,argv);///(1)GLUT初始設定
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);///(2)顯示模式
glutCreateWindow("我是week16的JOJO");
glutMouseFunc( mouse );
glutMotionFunc( motion );
glutKeyboardFunc(keyboard);
glutDisplayFunc(display);///(4)等一下要顯示的函式(display顯示函式)
glutTimerFunc(0,timer,0);
glutMainLoop();///(5)主要迴圈
}
working_dir後的網址改成"."
可以參考我的💁第十二週
https://2021graphics.blogspot.com/2021/05/jojoweek12.html
把freeglut.dll放入week16
調整喜歡的動作後按鍵盤 "s"
長醬(五次移動)
確認存檔
再次執行後,按"r"鍵可以重複剛剛已儲存的動作
複製反黑那幾行
👉 if(fout==NULL) fout=fopen("angle.txt","w+");
for(int i=0;i<20;i++)printf("%.2f",angle[i]);
printf("\n");
for(int i=0;i<20;i++)fprintf(fout,"%.2f",angle[i]);
fprintf(fout,"\n");
記得把
👉#include<stdio.h>
FILE*fout=NULL;
FILE*fin=NULL;
以上三行丟到上面,下面的部分刪掉
就可以執行看看啦!
#include <stdio.h>
#include <GL/glut.h>
float angle[20]={},diff=2;
int angleID=0;
void timer(int t)
{///timer()什麼都不做
/// glutTimerFunc( 30, timer, t+1 );///上週程式 設定新的timer
}
///想要用 mouse() 及 motion() 來操作關節!!!! (期末作品),第07週教過
int oldX=0, oldY=0;
void mouse( int button, int state, int x, int y )
{///mouse按下去時, 記下現在的位置
oldX = x;
oldY = y;
}
#include<stdio.h>
FILE*fout=NULL;
FILE*fin=NULL;
void motion( int x, int y )
{///mouse motion時, 會叫這個 motion()
angle[angleID] += x - oldX;
oldX = x;
glutPostRedisplay();///上週教display();
if(fout==NULL) fout=fopen("angle.txt","w+");
for(int i=0;i<20;i++)printf("%.2f",angle[i]);
printf("\n");
for(int i=0;i<20;i++)fprintf(fout,"%.2f",angle[i]);
fprintf(fout,"\n");
}
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')
{
if(fout==NULL) fout=fopen("angle.txt","w+");
for(int i=0;i<20;i++)printf("%.2f",angle[i]);
printf("\n");
for(int i=0;i<20;i++)fprintf(fout,"%.2f",angle[i]);
fprintf(fout,"\n");
}
if(key=='r')
{
if(fin==NULL) fin=fopen("angle.txt","r");
for(int i=0;i<20;i++) fscanf(fin,"%f",&angle[i]);
glutPostRedisplay();
}
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );///清空
glPushMatrix();
glutSolidTeapot(0.3);///身體
glPushMatrix();
glTranslatef(-0.3,0,0);
glRotatef(angle[0],0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot(0.3);///左手臂
glPushMatrix();
glTranslatef(-0.3,0,0);
glRotatef(angle[1],0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot(0.3);///左手肘
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(+0.3,0,0);
glRotatef(-angle[2], 0,0,1);
glTranslatef(+0.3,0,0);
glutSolidTeapot( 0.3 );///右手臂
glPushMatrix();///step05-3
glTranslatef(+0.3,0,0);
glRotatef(-angle[3], 0,0,1);
glTranslatef(+0.3,0,0);
glutSolidTeapot( 0.3 );///右手肘
glPopMatrix();///Step05-3
glPopMatrix();///Step05-2
glPopMatrix();///Step05-2
glutSwapBuffers();///交換兩倍的Buffers
}
int main(int argc, char**argv)///???以前是int main()
{
glutInit(&argc,argv);///(1)GLUT初始設定
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);///(2)顯示模式
glutCreateWindow("我是week16的JOJO");
glutMouseFunc( mouse );
glutMotionFunc( motion );
glutKeyboardFunc(keyboard);
glutDisplayFunc(display);///(4)等一下要顯示的函式(display顯示函式)
glutTimerFunc(0,timer,0);
glutMainLoop();///(5)主要迴圈
}
如果喜歡我的部落格的話
請幫我按右上角的愛心(根本按不下去)
也可以按右上角的小鈴鐺(這也按不下去)
才不會錯過我的更新哦!😉
















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