有兩個茶壺 一個茶壺當作body 另一個茶壺當作手臂
並且可以利用鍵盤按鍵(1,2,3...)調整黃色茶壺的位置 即可將茶壺移到正確的位置 並且搭配printf輸出座標 即可輕鬆找到想要位置的座標(超讚的拉!!)
#include <GL/glut.h>
#include <stdio.h>
float x1=-0.4,y1=0,x2=0,y2=0,angle=0;
void display()
{
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(x1,y1,0); ///要掛在哪裡?
glRotatef(angle,0,0,1);
glTranslatef(-0.25,-0.11,0); ///要把旋轉移到中心
glColor3f(1,1,0);
glutSolidTeapot(0.2);
glPopMatrix();
glPushMatrix();
glTranslatef(x2,y2,0);
glColor3f(1,0,0);
glutSolidTeapot(0.2);
glPopMatrix();
glFlush();
}
void keyboard(unsigned char key,int x,int y)
{
if(key=='1')x1+=0.1;
if(key=='2')x1-=0.1;
if(key=='3')y1+=0.1;
if(key=='4')y1-=0.1;
if(key=='5')angle+=10;
if(key=='6')angle-=10;
printf("%f %f\n",x1,y1);
glutPostRedisplay();
}
int main (int argc,char**argv)
{
glutInit(&argc,argv);
glutCreateWindow("Robot3D");
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);
glutMainLoop();
}
利用
glPushMatrix();
glPushMatrix();
glPopMatrix();
glPopMatrix();
可以製造大腿和小腿
移動大腿時,小腿就會跟著移動
但也可單獨移動小腿
#include <GL/glut.h>
#include <stdio.h>
float x1=-0.4,y1=0,x2=0,y2=0,angle=0,angle2=0;
void display()
{
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT);
glPushMatrix(); ///blue 大腿
glTranslatef(x2,y2,0);
glRotatef(angle,0,0,1);
glColor3f(0,0,1);
glutSolidTeapot(0.2);
glPushMatrix(); ///green 小腿
glTranslatef(x1,y1,0); ///要掛在哪裡?
glRotatef(angle2,0,0,1);
glTranslatef(-0.25,-0.11,0); ///要把旋轉移到中心
glColor3f(0,1,0);
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glFlush();
}
void keyboard(unsigned char key,int x,int y)
{
if(key=='1')x1+=0.1;
if(key=='2')x1-=0.1;
if(key=='3')y1+=0.1;
if(key=='4')y1-=0.1;
if(key=='5')angle+=10;
if(key=='6')angle-=10;
if(key=='7')angle2+=10;
if(key=='8')angle2-=10;
printf("%f %f\n",x1,y1);
glutPostRedisplay();
}
int main (int argc,char**argv)
{
glutInit(&argc,argv);
glutCreateWindow("Robot3D");
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);
glutMainLoop();
}
利用陣列控制1.右上手臂 2.右下手 3.左上手臂 4.左下手
並且鍵盤可以和滑鼠互相做
(先按鍵盤數字鍵,再用滑鼠滑動)
#include <GL/glut.h>
float oldX=0, oldY=0;
float angle[10]={0};
int now;
void keyboard(unsigned char key,int x,int y)
{
if(key=='1')now=1;
if(key=='2')now=2;
if(key=='3')now=3;
if(key=='4')now=4;
glutPostRedisplay();
}
void drawBody(){
glPushMatrix();
glScalef(1, 0.5, 0.5);
glutSolidCube(1);
glPopMatrix();
}
void drawArm(){
glPushMatrix();
glScalef(0.6, 0.3, 0.3);
glutSolidCube(1);
glPopMatrix();
}
void display()
{
{ ///Lighting
glColor3ub(166,132,100);
GLfloat pos[]={0, 0, -1, 0};
glLightfv(GL_LIGHT0, GL_POSITION, pos);
glEnable(GL_LIGHT0);
//glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
glPushMatrix();
glTranslatef(0.5, 0, 0);///最後一步, 把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去 ver 4
glRotatef(angle[1], 0,0,1);///把下面整團, 都對中間做旋轉 ver 3
glTranslatef(0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
glColor3f(0,0,1);
drawArm();///這是個Arm ver 1 Right Upper Arm
glPushMatrix();
glTranslatef(0.25, 0, 0);///最後一步, 把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去 ver 4
glRotatef(angle[2], 0,0,1);///把下面整團, 都對中間做旋轉 ver 3
glTranslatef(0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
glColor3f(0,1,0);
drawArm(); ///Right Lower Arm
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.5, 0, 0);///最後一步, 把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去 ver 4
glRotatef(-angle[3], 0,0,1);///把下面整團, 都對中間做旋轉 ver 3
glColor3f(0.5,0.5,1);
glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
drawArm();///這是個Arm ver 1 Left Upper Arm
glPushMatrix();
glTranslatef(-0.25, 0, 0);///最後一步, 把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去 ver 4
glRotatef(-angle[4], 0,0,1);///把下面整團, 都對中間做旋轉 ver 3
glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
glColor3f(0.5,1,0.5);
drawArm(); ///Left Lower Arm
glPopMatrix();
glPopMatrix();
drawBody();
glFlush();
}
void motion(int x, int y)
{ angle[now] -= y - oldY;
oldY=y; oldX=x;
}
void mouse(int button, int state, int x, int y){
if(state==GLUT_DOWN) { oldX=x; oldY=y; }
}
void timer(int t)
{
glutTimerFunc(20, timer, t+1);
//angle++;
glutPostRedisplay();
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutCreateWindow("T-R-T test");
glutDisplayFunc(display);
glutTimerFunc(20, timer, 0);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
glutMainLoop();
}

將所移動的座標記錄下來
並且存檔,而且會存檔到記事本喔!
讚讚讚~
P.S 這次是將存檔的部分寫在motion那
#include <GL/glut.h>
#include <stdio.h>
FILE *fout=NULL; ///要存檔用的啦!
float oldX=0, oldY=0;
float angle[8]={0};
int now;
void keyboard(unsigned char key,int x,int y)
{
if(key=='1')now=1;
if(key=='2')now=2;
if(key=='3')now=3;
if(key=='4')now=4;
glutPostRedisplay();
}
void drawBody(){
glPushMatrix();
glScalef(1, 0.5, 0.5);
glutSolidCube(1);
glPopMatrix();
}
void drawArm(){
glPushMatrix();
glScalef(0.6, 0.3, 0.3);
glutSolidCube(1);
glPopMatrix();
}
void display()
{
{ ///Lighting
glColor3ub(166,132,100);
GLfloat pos[]={0, 0, -1, 0};
glLightfv(GL_LIGHT0, GL_POSITION, pos);
glEnable(GL_LIGHT0);
//glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
glPushMatrix();
glTranslatef(0.5, 0, 0);///最後一步, 把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去 ver 4
glRotatef(angle[1], 0,0,1);///把下面整團, 都對中間做旋轉 ver 3
glTranslatef(0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
glColor3f(0,0,1);
drawArm();///這是個Arm ver 1 Right Upper Arm
glPushMatrix();
glTranslatef(0.25, 0, 0);///最後一步, 把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去 ver 4
glRotatef(angle[2], 0,0,1);///把下面整團, 都對中間做旋轉 ver 3
glTranslatef(0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
glColor3f(0,1,0);
drawArm(); ///Right Lower Arm
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.5, 0, 0);///最後一步, 把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去 ver 4
glRotatef(-angle[3], 0,0,1);///把下面整團, 都對中間做旋轉 ver 3
glColor3f(0.5,0.5,1);
glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
drawArm();///這是個Arm ver 1 Left Upper Arm
glPushMatrix();
glTranslatef(-0.25, 0, 0);///最後一步, 把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去 ver 4
glRotatef(-angle[4], 0,0,1);///把下面整團, 都對中間做旋轉 ver 3
glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
glColor3f(0.5,1,0.5);
drawArm(); ///Left Lower Arm
glPopMatrix();
glPopMatrix();
drawBody();
glFlush();
}
void motion(int x, int y)
{ angle[now] -= y - oldY;
oldY=y; oldX=x;
if(fout==NULL)fout=fopen("a.txt","w+"); ///要存檔用的啦!
for(int i=0;i<8;i++)
{
fprintf(fout,"%.1f\t",angle[i]);
}
fprintf(fout,"\n"); ///要存檔用的啦!
}
void mouse(int button, int state, int x, int y){
if(state==GLUT_DOWN) { oldX=x; oldY=y; }
}
void timer(int t)
{
glutTimerFunc(20, timer, t+1);
//angle++;
glutPostRedisplay();
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutCreateWindow("T-R-T test");
glutDisplayFunc(display);
glutTimerFunc(20, timer, 0);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
glutMainLoop();
}
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