2.會跳舞的機器人
3.T-R-T 對關節轉
4.小考:T-R-T 觀念
5.作業問題
旋轉時,沿著Z軸鈕扣旋轉。
glTranslatef()
glRotatef()
glScalef()
旋轉時,沿畫面中心點旋轉。
glRotatef()
glTranslatef()
glScalef()
茶壺對著中心點旋轉
#include <GL/glut.h>
float angle=0;
void display()
{
{
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();
glRotatef(angle, 0,0,1);
glTranslatef(0.5,0,0);
glutSolidTeapot(0.3); ///茶壼
glPopMatrix();
glFlush();
}
void timer(int t)
{
glutTimerFunc(20,timer,0);
angle++;
glutPostRedisplay();
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutCreateWindow("TRT 3D");
glutDisplayFunc(display);
glutTimerFunc(20,timer,0);
glutMainLoop();
}
用滑鼠讓茶壺旋轉
#include <GL/glut.h>
float angle=0,oldX=0,oldY=0;
void display()
{
{
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();
glRotatef(angle, 0,0,1);
glTranslatef(0.5,0,0);
glutSolidTeapot(0.3); ///茶壼
glPopMatrix();
glFlush();
}
void timer(int t)
{
glutTimerFunc(20,timer,0);
//angle++;
glutPostRedisplay();
}
void mouse(int button,int state,int x,int y)
{
if(state==GLUT_DOWN){oldX=x; oldY=y;}
}
void motion(int x,int y)
{
angle+=(x-oldX);
oldX=x;
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutCreateWindow("TRT 3D");
glutDisplayFunc(display);
glutTimerFunc(20,timer,0);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutMainLoop();
}
關節旋轉
#include <GL/glut.h>
float angle=0,oldX=0,oldY=0;
void display()
{
{
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(0.45,0.14,0);
glRotatef(angle, 0,0,1);
glTranslatef(0.45,-0.1,0);
glutSolidTeapot(0.3); ///茶壼
glPopMatrix();
glutSolidTeapot(0.3);
glFlush();
}
void timer(int t)
{
glutTimerFunc(20,timer,0);
//angle++;
glutPostRedisplay();
}
void mouse(int button,int state,int x,int y)
{
if(state==GLUT_DOWN){oldX=x; oldY=y;}
}
void motion(int x,int y)
{
angle+=(x-oldX);
oldX=x;
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutCreateWindow("TRT 3D");
glutDisplayFunc(display);
glutTimerFunc(20,timer,0);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutMainLoop();
}
#include <GL/glut.h>
float angle=0,oldX=0,oldY=0;
void drawBody()
{
glPushMatrix();
glTranslatef(0,-0.5,0);
glRotatef(-90, 1,0,0);
glutSolidCone(0.3,0.8,30,30);
glPopMatrix();
}
void drawArm()
{
glPushMatrix();
glScalef(0.5,0.25,0.25);
glutSolidCube(1);
glPopMatrix();
}
void display()
{
{
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(0.15,0,0);
glRotatef(angle, 0,0,1);
glTranslatef(0.25,0,0);
drawArm();//右上手臂
glPushMatrix();
glTranslatef(0.25,0,0);
glRotatef(angle, 0,0,1);
glTranslatef(0.25,0,0);
drawArm();//右下手臂
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.15,0,0);
glRotatef(-angle, 0,0,1);
glTranslatef(-0.25,0,0);
drawArm();//左上手臂
glPushMatrix();
glTranslatef(-0.25,0,0);
glRotatef(-angle, 0,0,1);
glTranslatef(-0.25,0,0);
drawArm();//左下手臂
glPopMatrix();
glPopMatrix();
drawBody();
glFlush();
}
void timer(int t)
{
glutTimerFunc(20,timer,0);
//angle++;
glutPostRedisplay();
}
void mouse(int button,int state,int x,int y)
{
if(state==GLUT_DOWN){oldX=x; oldY=y;}
}
void motion(int x,int y)
{
angle+=(x-oldX);
oldX=x;
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutCreateWindow("TRT 3D");
glutDisplayFunc(display);
glutTimerFunc(20,timer,0);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutMainLoop();
}
沒有留言:
張貼留言