week03 電腦圖學筆記

 1. 範例 http://jsyeh.org/3dcg10/

1.1 下載 data, win32

       windows.zip => 下載\windows\Transformation.exe

       data.zip => 下載\windows\data\模型.obj

1.2 執行 Transformation.exe

       (右鍵 => 換模型)

       (拖曳滑鼠 => 改變數值)

week03 

第一個程式:移動

#include<GL/glut.h>

void MyTeaPot(float x, float y)

{

    glPushMatrix();

        glTranslatef(x, y, 0);

        glColor3f(1, 1, 0);

        glutSolidTeapot(0.3);

    glPopMatrix();

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    MyTeaPot(0.5, 0.5);

    MyTeaPot(0.5, -0.5);

    MyTeaPot(-0.5, -0.5);

    MyTeaPot(-0.5, 0.5);

    glutSwapBuffers();

}

int main(int argc, char** argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week03");

    glutDisplayFunc(display);

    glutMainLoop();

}

第二個程式:Mouse1

#include<GL/glut.h>

float mouseX=0, mouseY=0;

void myTeapot(float x, float y)

{

    glPushMatrix();

        glTranslatef(x, y, 0);

        glColor3f(1, 1, 0);

        glutSolidTeapot(0.3);

    glPopMatrix();

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    myTeapot((mouseX-150)/150.0, -(mouseY-150)/150.0);

    glutSwapBuffers();

}

void mouse(int button, int state, int x, int y)

{

    mouseX=x;

    mouseY=y;

}

int main(int argc, char** argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week03");

    glutDisplayFunc(display);

    glutMouseFunc(mouse);

    glutMainLoop();

}

第三個程式:Mouse2

#include<GL/glut.h>

#include <stdio.h>

float mouseX=0, mouseY=0;

void myTeapot(float x, float y)

{

    glPushMatrix();

        glTranslatef(x, y, 0);

        glColor3f(1, 1, 0);

        glutSolidTeapot(0.1);

    glPopMatrix();

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    myTeapot((mouseX-150)/150.0, -(mouseY-150)/150.0);

    glutSwapBuffers();

}

void mouse(int button, int state, int x, int y)

{

    printf("%d %d %d %d\n", button, state, x, y);

    mouseX=x;

    mouseY=y;

}

int main(int argc, char** argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week03");

    glutDisplayFunc(display);

    glutMouseFunc(mouse);

    glutMainLoop();

}