(2)會跳舞的機械人
(3)T-R-T 對關節轉
(4)小考:T-R-T 觀念
(5)作業問題
複習 做出一個選轉的茶壺
以滑鼠(mouse)轉動茶壺
改變旋轉軸心的位置T-R-"T"
示意圖
做出可以旋轉的手臂關節
#include <GL/glut.h>
float angle = 0, oldx = 0, oldy = 0;
void drawArm()
{
glPushMatrix();
glScalef(0.5, 0.25, 0.25);
glutSolidCube(1);
glPopMatrix();
}
void drawBody()
{
glPushMatrix();
glTranslatef(0, -0.5, 0);
glRotatef(-90, 1, 0, 0);
glutSolidCone(0.3, 0.8, 30, 30);
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();
glPushMatrix();
glTranslatef(0.15, 0, 0);
glRotatef(angle, 0, 0, 1);
glTranslatef(0.25, 0, 0);
drawArm();
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.15, 0, 0);
glRotatef(-angle, 0, 0, 1);
glTranslatef(-0.25, 0, 0);
drawArm();
glPushMatrix();
glTranslatef(-0.15, 0, 0);
glRotatef(-angle, 0, 0, 1);
glTranslatef(-0.25, 0, 0);
drawArm();
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("02160136 TRT 3D");
glutDisplayFunc(display);
glutTimerFunc(20, timer, 0);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutMainLoop();
}
沒有留言:
張貼留言