(1)T-R-T茶壺
#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);
glColor3f(1,1,0);
glutSolidTeapot(0.2);
glPopMatrix();
glPushMatrix();
glTranslatef(x2, y2, 0);
glColor3f(1,0,0);
glutSolidTeapot(0.2);
glPopMatrix();
glFlush();///先不用 glutSwapBuffers(); 配合 glutInitDisplayMode(GLUT_DOUBLE);
}
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();
}
#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
glTranslatef(x2, y2, 0);//要掛在哪裡?
glRotatef(angle, 0,0,1);
glColor3f(0,0,1);
glutSolidTeapot(0.2);
glPushMatrix();///GREEN
glTranslatef(x1, y1, 0);
glRotatef(angle2, 0,0,1);
glTranslatef(-0.25, -0.11, 0);
glColor3f(0,1,0);
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glFlush();///先不用 glutSwapBuffers(); 配合 glutInitDisplayMode(GLUT_DOUBLE);
}
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();
}
(3)利用滑鼠與鍵盤 讓關節轉動
#include <GL/glut.h>
float oldX=0, oldY=0;
float angle[10]={0,0,0,0,0,0,0,0,0,0};
int now=0;
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()
{
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
glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
glColor3f(0.5,0.5,1);
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(); ///body
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();
}
(4)存檔(freeglut->bin)
#include <GL/glut.h>
#include <stdio.h>///要存檔用的
FILE * fout = NULL;///要存檔用的 file for output
float oldX=0, oldY=0;
float angle[10]={0,0,0,0,0,0,0,0};
int now=0;
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()
{
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
glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間 ver 2
glColor3f(0.5,0.5,1);
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(); ///body
glFlush();
}
void motion(int x,int y)
{
angle[now]-=y-oldY;
oldY=y; oldX=x;
if(fout==NULL) fout=fopen("a.txt","w+");
for(int i=0;i<8;i++)
{
fprintf(fout,"%.1f\t",angle[i]);
}
fprintf(fout,"\n");
}
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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