#include <stdio.h>
#include <GL/glut.h>
float angle=0, diff=2;///上週程式,會增加、會減少!!!
///float angle[20]={};//都是0的陣列 angle
void timer(int t)///上週程式,會增加、會減少!!!
{
glutTimerFunc( 30, timer, t+1 );///上週程式 設定新的timer
angle += diff;///上週程式,會增加、會減少!!!
if(angle>90) diff = -2;///上週程式,會增加、會減少!!!
if(angle<0) diff = +2;///上週程式,會增加、會減少!!!
glutPostRedisplay();///上週教display();
}
void display()
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glPushMatrix();///Step05-2
glutSolidTeapot( 0.3 );///身體
glPushMatrix();///Step05-2
glTranslatef(-0.3,0,0);
glRotatef(angle, 0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot( 0.3 );///左手臂, 但是,要用 T-R-T移位置
glPushMatrix();
glTranslatef(-0.3, 0,0);
glRotatef(angle, 0,0,1);
glTranslatef(-0.3, 0,0);
glutSolidTeapot( 0.3 );///左手肘
glPopMatrix();
glPopMatrix();///Step05-2
glPushMatrix();///Step05-2
glTranslatef(+0.3,0,0);
glRotatef(-angle, 0,0,1);
glTranslatef(+0.3,0,0);
glutSolidTeapot( 0.3 );///右手臂
glPushMatrix();///step05-3
glTranslatef(+0.3,0,0);
glRotatef(-angle, 0,0,1);
glTranslatef(+0.3,0,0);
glutSolidTeapot( 0.3 );///右手肘
glPopMatrix();///Step05-3
glPopMatrix();///Step05-2
glPopMatrix();///Step05-2
glutSwapBuffers();
}
int main( int argc, char** argv )
{
glutInit( &argc, argv );
glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH );
glutCreateWindow( "week15 many angles" );
glutDisplayFunc( display );
glutTimerFunc( 0, timer, 0);
glutMainLoop();
}///先不放貼圖, 先不放打光
開啟上週檔案
#include <stdio.h>
#include <GL/glut.h>
float diff=2;///上週程式,會增加、會減少!!!
float angle[20]={};//都是0的陣列 angle
int angleID=0;//有20個angle 利用angle[0] angle[1]....angle[ID]
void timer(int t)///上週程式,會增加、會減少!!!
{
glutTimerFunc( 30, timer, t+1 );///上週程式 設定新的timer
angle[angleID] += diff;///上週程式,會增加、會減少!!!
if(angle[angleID]>90) diff = -2;///上週程式,會增加、會減少!!!
if(angle[angleID]<0) diff = +2;///上週程式,會增加、會減少!!!
glutPostRedisplay();///上週教display();
}
void keyboard(unsigned char key,int x,int y)
{
if(key=='0') angleID=0;//timer()會改變關節 angle[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 );
glPushMatrix();///Step05-2
glutSolidTeapot( 0.3 );///身體
glPushMatrix();///Step05-2
glTranslatef(-0.3,0,0);
glRotatef(angle[0], 0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot( 0.3 );///左手臂, 但是,要用 T-R-T移位置
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();///Step05-2
glPushMatrix();///Step05-2
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();
}
int main( int argc, char** argv )
{
glutInit( &argc, argv );
glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH );
glutCreateWindow( "week15 many angles" );
glutKeyboardFunc(keyboard);
glutDisplayFunc( display );
glutTimerFunc( 0, timer, 0);
glutMainLoop();
}///先不放貼圖, 先不放打光
設一個angle陣列配合keyboard即可配合四個關節分開做轉動

#include <stdio.h>
#include <GL/glut.h>
float angle[20]={},diff=2;
int angleID=0;///現在有20個angle (angle[0],angle[1]...angle[angleID])
void timer(int t)
{///timer甚麼都不做
/// glutTimerFunc(30,timer,t+1);
}
int oldX=0,oldY=0;
void mouse(int button ,int state, int x, int y)
{
oldX=x;
oldY=y;
}
FILE * fout =NULL;
void motion(int x,int y)
{
angle[angleID] += x - oldX;
oldX=x;
glutPostRedisplay();
}
void keyboard(unsigned char key,int x ,int y)
{
if(key=='0')angleID=0; ///之後timer()會改變關節 angle[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");
}
}
void display()
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glPushMatrix();///Step05-2
glutSolidTeapot( 0.3 );///身體
glPushMatrix();///Step05-2
glTranslatef(-0.3,0,0);
glRotatef(angle[0], 0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot( 0.3 );///左手臂, 但是,要用 T-R-T移位置
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();///Step05-2
glPushMatrix();///Step05-2
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();
}
int main(int argc, char** argv)
{
glutInit( &argc,argv);
glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week16 ");
glutKeyboardFunc(keyboard);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutDisplayFunc(display);
glutTimerFunc(0,timer,0);
glutMainLoop();
}
按下0 1 2 3可以選擇關節然後使用滑鼠做關節的移動
按下s可以存檔和顯示角度
整理程式碼並且修改
#include <stdio.h>
#include <GL/glut.h>
float angle[20]={},diff=2;
int angleID=0;///現在有20個angle (angle[0],angle[1]...angle[angleID])
void timer(int t)
{///timer甚麼都不做
/// glutTimerFunc(30,timer,t+1);
}
int oldX=0,oldY=0;
void mouse(int button ,int state, int x, int y)
{
oldX=x;
oldY=y;
}
FILE * fout =NULL;
FILE * fin =NULL;
void motion(int x,int y)
{
angle[angleID] += x - oldX;
oldX=x;
glutPostRedisplay();
}
void keyboard(unsigned char key,int x ,int y)///keyboard()需要glutkeyboardfunc(keyboard)
{
if(key=='0')angleID=0; ///之後timer()會改變關節 angle[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+");//若NULL fopen()
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 );
glPushMatrix();///Step05-2
glutSolidTeapot( 0.3 );///身體
glPushMatrix();///Step05-2
glTranslatef(-0.3,0,0);
glRotatef(angle[0], 0,0,1);
glTranslatef(-0.3,0,0);
glutSolidTeapot( 0.3 );///左手臂, 但是,要用 T-R-T移位置
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();///Step05-2
glPushMatrix();///Step05-2
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();
}
int main(int argc, char** argv)
{
glutInit( &argc,argv);
glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week16 ");
glutKeyboardFunc(keyboard);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutDisplayFunc(display);
glutTimerFunc(0,timer,0);
glutMainLoop();
}
按下f9執行之後馬上按r即可讀進剛剛的angle.txt並且套用在裡面


更改working_dir並且把freeglut.dll丟進去專案檔
把
if(fout==NULL)fout=fopen("angle.txt","w+");//若NULL fopen()
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");
放入void motion()的最後面
FILE * fout =NULL;
FILE * fin =NULL;
#include <stdio.h>
這三行要記得放在void motion()的上面
接下來即可完成一邊motion一邊存檔
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