電腦圖學課堂筆記week03

1.連結http://jsyeh.org/3dcg10/

2.下載data.zip和win32.zip

3.windows.zip ->Transformation.exe

4.data.zip->模型.obj

5.執行Transformation.exe

右鍵更換模型

拖曳滑鼠改變數值

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();

}

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();

}

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();

}