第十五周課堂作業

float a=1;

float angle[10]={0,0,0,0,0,0,0,0,0,0};

float angleOld[10]={0,0,0,0,0,0,0,0,0,0};

float angleNew[10]={0,0,0,0,0,0,0,0,0,0};

int angleID=0;

void timer(int t);

FILE * fout =NULL, *fin=NULL;

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

{

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=='7') angleID=7;

if(key=='8') angleID=8;

if(key=='s') //存檔 

{

for(int i=0;i<10;i++)

printf("%f ",angle[i]);

printf("\n");

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

for(int i=0;i<10;i++)

fprintf(fout,"%f ",angle[i]); 

fprintf(fout,"\n");

}

if(key=='r') //讀 

{

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

    

a+=0.1;

        for(int i=0;i<10;i++)

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

  if(a>=1)

   {

a=0;

for(int i=0;i<10;i++)

{

angleOld[i]=angleNew[i];

fscanf(fin,"%f",&angleNew[i]);

}

glutPostRedisplay();

}

}

if(key=='p') //播放 

{

glutTimerFunc(0,timer,0);

}

  glutPostRedisplay();

}

void timer(int t)

{ 

glutTimerFunc(100,timer,0);

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

    

a+=0.1;

        for(int i=0;i<10;i++)

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

  if(a>=1)

   {

a=0;

for(int i=0;i<10;i++)

{

angleOld[i]=angleNew[i];

fscanf(fin,"%f",&angleNew[i]);

}

}

glutPostRedisplay();

}

做卡通人物的動畫