2022年5月17日 星期二

week13電腦圖學

 week13

1.在codeblocks建立一個新專案week13_rect把10行程式碼貼上去，並加上glRectf的函式

#include <GL/glut.h>

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glRectf(0.3,0.5,-0.3,-0.5);

    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();

}

2.加手臂

















#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); ///身體
    glPushMatrix();
        ///glTranslatef(); 把手臂放回身體
        ///glRotatef();    旋轉
        ///glTranslatef(); 手臂的旋轉中心
        glColor3f(1,0,0);
        glRectf(0.3,0.5,0.7,0.3);
    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();
}

3.讓手臂旋轉

















#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); ///身體
    glPushMatrix();
        ///glTranslatef(); ///把手臂放回身體
        glRotatef(angle,0,0,1);    ///旋轉
        glTranslatef(-0.3,-0.4,0); ///手臂的旋轉中心

        glColor3f(1,0,0);
        glRectf(0.3,0.5,0.7,0.3);
    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();
}

4.把手臂放好

















#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); ///身體
    glPushMatrix();
        glTranslatef(0.3,0.4,0); ///把手臂放回身體
        glRotatef(angle,0,0,1);    ///旋轉
        glTranslatef(-0.3,-0.4,0); ///手臂的旋轉中心

        glColor3f(1,0,0);
        glRectf(0.3,0.5,0.7,0.3);
    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();
}
5.讓手臂能被滑鼠控制
















#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); ///身體
    glPushMatrix();
        glTranslatef(0.3,0.4,0); ///把手臂放回身體
        glRotatef(angle,0,0,1);    ///旋轉
        glTranslatef(-0.3,-0.4,0); ///手臂的旋轉中心

        glColor3f(1,0,0);
        glRectf(0.3,0.5,0.7,0.3);
    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();
}

6.在加一隻下手臂























#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); ///身體
    glPushMatrix();
        glTranslatef(0.3,0.4,0); ///把手臂放回身體
        glRotatef(angle,0,0,1);    ///旋轉
        glTranslatef(-0.3,-0.4,0); ///手臂的旋轉中心
        glColor3f(1,0,0);
        glRectf(0.3,0.5,0.7,0.3);
        glPushMatrix();
       ////glTranslatef(x,y,z); ///把手臂放回身體
        ///glRotatef(angle,0,0,1);    ///旋轉
        ///glTranslatef(x2,y2,z2); ///手臂的旋轉中心
            glColor3f(0,1,0);
            glRectf(0.7,0.5,1,0.3);
        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();
}
7.把手臂放回身體,並把上手臂旋轉的註解消
#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); ///身體
    glPushMatrix();
        glTranslatef(0.3,0.4,0); ///把手臂放回身體
        glRotatef(angle,0,0,1);    ///旋轉
        glTranslatef(-0.3,-0.4,0); ///手臂的旋轉中心
        glColor3f(1,0,0);
        glRectf(0.3,0.5,0.7,0.3);

        glPushMatrix();
            glTranslatef(0.7,0.4,0); ///把手臂放回身體
            glRotatef(angle,0,0,1);    ///旋轉
            glTranslatef(-0.7,-0.4,0); ///手臂的旋轉中心
            glColor3f(0,1,0);
            glRectf(0.7,0.5,1,0.3);
        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();
}
8.新增一個新專案week_13_rect_many_TRT增加一個左手，記得負號(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); ///身體
    glPushMatrix();
        glTranslatef(0.3,0.4,0); ///把手臂放回身體
        glRotatef(angle,0,0,1);    ///旋轉
        glTranslatef(-0.3,-0.4,0); ///手臂的旋轉中心
        glColor3f(1,0,0);
        glRectf(0.3,0.5,0.7,0.3);

        glPushMatrix();
            glTranslatef(0.7,0.4,0); ///把手臂放回身體
            glRotatef(angle,0,0,1);    ///旋轉
            glTranslatef(-0.7,-0.4,0); ///手臂的旋轉中心
            glColor3f(0,1,0);
            glRectf(0.7,0.5,1,0.3);
        glPopMatrix();
    glPopMatrix();

    glPushMatrix();
        glTranslatef(-0.3,0.4,0); ///把手臂放回身體
        glRotatef(angle,0,0,1);    ///旋轉
        glTranslatef(0.3,-0.4,0); ///手臂的旋轉中心
        glColor3f(1,0,0);
        glRectf(-0.3,0.5,-0.7,0.3);

        glPushMatrix();
            glTranslatef(-0.7,0.4,0); ///把手臂放回身體
            glRotatef(angle,0,0,1);    ///旋轉
            glTranslatef(0.7,-0.4,0); ///手臂的旋轉中心
            glColor3f(0,1,0);
            glRectf(-0.7,0.5,-1,0.3);
        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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