step1-1
考上禮拜教的手臂旋轉
step1-2
開啟新的專案 week06-1_TRT_robot2_teapot,開啟上禮拜的檔案week05-2_robot
把原本mycube的函式刪掉,新增一個小圓點,讓茶壺繞著小圓點轉
#include<GL/glut.h>
float angle =0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glutSolidSphere(0.01,30,30);
glPushMatrix();
glRotatef(angle,0,0,1);
glTranslatef(0.45,0,0);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
angle++;
}
int main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week05");
glutDisplayFunc(display);
glutIdleFunc(display);
glutMainLoop();
}
step2-1
新增專案week06-2_TRT_robot3_dierarchy
用原本的week05-2來寫程式,把圖片中框的三行程式碼註解
//glTranslatef(0.5,0.5,0);
// glRotatef(angle,0,0,1);
//glTranslatef(0.25,0,0);
//glTranslatef(0.5,0.5,0);
glRotatef(angle,0,0,1);
glTranslatef(0.25,0,0);
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glutSolidSphere(0.01,30,30);
glPushMatrix();
glTranslatef(0.25,0,0);
glRotatef(angle,0,0,1);
glTranslatef(0.25,0,0);
mycube();
glPushMatrix();
glTranslatef(0.25,0,0);
glRotatef(angle,0,0,1);
glTranslatef(0.25,0,0);
mycube();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
angle++;
}
step2-3
新增一個專案week06-3_TRT_robot4_hierarchy
複製上一個程式碼,再把x軸更改成負的,讓上下手臂再多一組
註解angle++,增加angle=x
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