第六周的主題:階層轉動
#include <GL/glut.h>
#include <stdio.h>
int N=0, vx[3000], vy[3000];
float angle=0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(angle, 0, 0, 1);
glScalef(0.5, 0.1, 0.1);
glColor3f(0.3,0.3,1.0);
glutSolidCube(1);
glPopMatrix();
glutSwapBuffers();
}
void keyboard( unsigned char key, int x, int y)
{
angle++;
display();
}
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("08160695week06");
glutIdleFunc(display);
glutDisplayFunc(display);
glutMainLoop();
}
加入旋轉angle
float angle=0;
在display有glRotatef
#include <GL/glut.h>
float angle=0;
void hand()
{
glPushMatrix();
glScalef(0.5, 0.1, 0.1);
glutSolidCube(1);
glPopMatrix();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(-0.25, 0,0);
glRotatef(angle, 0,0,1);
glTranslatef(-0.25, 0,0);
hand();
glPushMatrix();
glTranslatef(-0.25, 0, 0);
glRotatef(angle, 0,0,1);
glTranslatef(-0.25, 0,0);
hand();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
angle++;
}
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("08160695week06");
glutIdleFunc(display);
glutDisplayFunc(display);
glutMainLoop();
}
讓方塊自轉
#include <GL/glut.h>
float angle=0;
void display()///畫出來
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(angle++,0,0,1);///轉動角度
glutSolidCube(1);
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("mouse week06");
glutIdleFunc(display);///idle很閒時 一直跑display
glutDisplayFunc(display);
glutMainLoop();
}
改變方塊旋轉中心
#include <GL/glut.h>
float angle=0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(-0.25,0,0);///改變旋轉中心位置
glScalef(0.5,0.1,0.1);
glutSolidCube(1);
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("mouse week06");
glutIdleFunc(display);
glutDisplayFunc(display);
glutMainLoop();
}
上下手臂的旋轉
#include <GL/glut.h>
float angle=0;
void hand()
{
glPushMatrix();
glScalef(0.5,0.1,0.1);
glutSolidCube(1);
glPopMatrix();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();///上手臂
glTranslatef(-0.25,0,0);
glRotatef(angle,0,0,1);
glTranslatef(-0.25,0,0);
hand();
glPushMatrix();///下手臂
glTranslatef(-0.25,0,0);
glRotatef(angle++,0,0,1);
glTranslatef(-0.25,0,0);
hand();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
angle++;///移動
}
int main(int argc,char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("08160695week06");
glutIdleFunc(display);
glutDisplayFunc(display);
glutMainLoop();
}
左右手臂的旋轉
void display()///畫出來
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();///左手
glTranslatef(-0.25,0,0);
glRotatef(angle,0,0,1);
glTranslatef(-0.25,0,0);
hand();
glPushMatrix();
glTranslatef(-0.25,0,0);
glRotatef(angle,0,0,1);
glTranslatef(-0.25,0,0);
hand();
glPopMatrix();
glPopMatrix();
glPushMatrix();///右手
glTranslatef(0.25,0,0);
glRotatef(-angle,0,0,1);///順時鐘旋轉
glTranslatef(0.25,0,0);
hand();
glPushMatrix();
glTranslatef(0.25,0,0);
glRotatef(-angle,0,0,1);
glTranslatef(0.25,0,0);
hand();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
angle++;
}
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