step1-1 做一個長方形
#include <GL/glut.h>
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glRectf(0.3, 0.5, -0.3, -0.5);///四邊形座標
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutInitWindowSize(600,600);
glutCreateWindow("Week13 rect TRT");
glutDisplayFunc(display);
glutMainLoop();
}
step1-2 做一個手臂
#include <GL/glut.h>
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glRectf(0.3, 0.5, -0.3, -0.5);///四邊形座標
glPushMatrix();
///glTranslatef(x, y, z);///3手臂位置
///glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
///glTranslatef(x2, y2, z2);///1旋轉軸中心
glColor3f(1,0,0);///紅色
glRectf(0.3, 0.5, 0.7, 0.3);///上手臂
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
///glutInitWindowSize(600,600);
glutCreateWindow("Week13 rect TRT");
glutDisplayFunc(display);
glutMainLoop();
}
step
#include <GL/glut.h>
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glRectf(0.3, 0.5, -0.3, -0.5);///四邊形座標
glPushMatrix();
///glTranslatef(x, y, z);///3手臂位置
///glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(-0.3, -0.4, 0);///1旋轉軸中心
glColor3f(1,0,0);///紅色
glRectf(0.3, 0.5, 0.7, 0.3);///上手臂
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
///glutInitWindowSize(600,600);
glutCreateWindow("Week13 rect TRT");
glutDisplayFunc(display);
glutMainLoop();
}
step
#include <GL/glut.h>
float angle=45;
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glRectf(0.3, 0.5, -0.3, -0.5);///四邊形座標
glPushMatrix();
///glTranslatef(x, y, z);///3手臂位置
glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(-0.3, -0.4, 0);///1旋轉軸中心
glColor3f(1,0,0);///紅色
glRectf(0.3, 0.5, 0.7, 0.3);///上手臂
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
///glutInitWindowSize(600,600);
glutCreateWindow("Week13 rect TRT");
glutDisplayFunc(display);
glutMainLoop();
}
#include <GL/glut.h>
float angle=45;
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glRectf(0.3, 0.5, -0.3, -0.5);///四邊形座標
glPushMatrix();
glTranslatef(0.3, 0.4, 0);///3把手臂位置掛回去
glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(-0.3, -0.4, 0);///1旋轉軸中心
glColor3f(1,0,0);///紅色
glRectf(0.3, 0.5, 0.7, 0.3);///上手臂
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
///glutInitWindowSize(600,600);
glutCreateWindow("Week13 rect TRT");
glutDisplayFunc(display);
glutMainLoop();
}
step 滑鼠可以旋轉手臂
#include <GL/glut.h>
float angle=45,oldX=0;
void mouse(int button, int state, int x, int y)
{
oldX = x;
}
void motion(int x, int y)
{
angle += (x-oldX);
oldX = x;
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glRectf(0.3, 0.5, -0.3, -0.5);///四邊形座標
glPushMatrix();
glTranslatef(0.3, 0.4, 0);///3把手臂位置掛回去
glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(-0.3, -0.4, 0);///1旋轉軸中心
glColor3f(1,0,0);///紅色
glRectf(0.3, 0.5, 0.7, 0.3);///上手臂
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
///glutInitWindowSize(600,600);
glutCreateWindow("Week13 rect TRT");
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutDisplayFunc(display);
glutMainLoop();
}
///Week13 rect TRT
#include <GL/glut.h>
float angle=0,oldX=0;
void mouse(int button, int state, int x, int y)
{
oldX = x;
}
void motion(int x, int y)
{
angle += (x-oldX);
oldX = x;
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glRectf(0.3, 0.5, -0.3, -0.5);///四邊形座標
glPushMatrix();
glTranslatef(0.3, 0.4, 0);///3把手臂位置掛回去
glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(-0.3, -0.4, 0);///1旋轉軸中心
glColor3f(1,0,0);///紅色
glRectf(0.3, 0.5, 0.7, 0.3);///上手臂
glPushMatrix();
///glTranslatef(x, y, z);
///glRotatef( angle, 0, 0, 1);
///glTranslatef(x2, y2, z2);
glColor3f(0,1,0);///綠色
glRectf(0.7, 0.5, 1.0, 0.3);///下手肘
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
///glutInitWindowSize(600,600);
glutCreateWindow("Week13 rect TRT");
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutDisplayFunc(display);
glutMainLoop();
}
///Week13 rect TRT
#include <GL/glut.h>
float angle=0,oldX=0;
void mouse(int button, int state, int x, int y)
{
oldX = x;
}
void motion(int x, int y)
{
angle += (x-oldX);
oldX = x;
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glRectf(0.3, 0.5, -0.3, -0.5);///四邊形座標
glPushMatrix();
glTranslatef(0.3, 0.4, 0);///3把手臂位置掛回去
//glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(-0.3, -0.4, 0);///1旋轉軸中心
glColor3f(1,0,0);///紅色
glRectf(0.3, 0.5, 0.7, 0.3);///上手臂
glPushMatrix();
///glTranslatef(x, y, z);///3把手臂位置掛回去
glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(-0.7, -0.4, 0);///1手肘旋轉軸中心
glColor3f(0,1,0);///綠色
glRectf(0.7, 0.5, 1.0, 0.3);///下手肘
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
///glutInitWindowSize(600,600);
glutCreateWindow("Week13 rect TRT");
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutDisplayFunc(display);
glutMainLoop();
}
把Rotate註解用掉
///Week13 rect TRT 複製手臂(鏡射)
#include <GL/glut.h>
float angle=0,oldX=0;
void mouse(int button, int state, int x, int y)
{
oldX = x;
}
void motion(int x, int y)
{
angle += (x-oldX);
oldX = x;
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glRectf(0.3, 0.5, -0.3, -0.5);///四邊形座標
glPushMatrix();///右半邊
glTranslatef(0.3, 0.4, 0);///3把手臂位置掛回去
glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(-0.3, -0.4, 0);///1旋轉軸中心
glColor3f(1,0,0);///紅色
glRectf(0.3, 0.5, 0.7, 0.3);///右上手臂
glPushMatrix();
glTranslatef(0.7, 0.4, 0);///3把手臂位置掛回去
glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(-0.7, -0.4, 0);///1手肘旋轉軸中心
glColor3f(0,1,0);///綠色
glRectf(0.7, 0.5, 1.0, 0.3);///右下手肘
glPopMatrix();
glPopMatrix();
glPushMatrix();///左半邊
glTranslatef(-0.3, 0.4, 0);///3把手臂位置掛回去
glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(0.3, -0.4, 0);///1旋轉軸中心
glColor3f(1,0,0);///紅色
glRectf(-0.3, 0.5, -0.7, 0.3);///左上手臂
glPushMatrix();
glTranslatef(-0.7, 0.4, 0);///3把手臂位置掛回去
glRotatef( angle, 0, 0, 1);///2旋轉,對z軸
glTranslatef(0.7, -0.4, 0);///1手肘旋轉軸中心
glColor3f(0,1,0);///綠色
glRectf(-0.7, 0.5, -1.0, 0.3);///左下手肘
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
///glutInitWindowSize(600,600);
glutCreateWindow("Week13 rect TRT");
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutDisplayFunc(display);
glutMainLoop();
}
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