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Thread: Help me Please... How to rotate this object and give colour inside

  1. #1
    Junior Member rizkisteve's Avatar
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    Post Help me Please... How to rotate this object and give colour inside

    package id.ac.ub.ptiik.computergraphics;

    import static org.lwjgl.opengl.GL11.*;
    import static org.lwjgl.util.glu.GLU.*;

    public class CG04_3DTransformation extends CGApplication {
    protected boolean wireframe = true;

    @Override
    public void init() {
    // TODO Auto-generated method stub
    // Setting up default viewport
    glViewport(0, 0, width, height);

    // Set perspective projection
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(60.0f, width / height, 1.0f, 100.0f);

    glEnable(GL_TEXTURE_2D);

    }

    @Override
    public void update(int delta) {
    // TODO Auto-generated method stub
    //glRotatef(30, 10, 10, 10);

    }

    @Override
    public void render() {
    // TODO Auto-generated method stub
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glClearColor(1.0f, 1.0f, 1.0f, 1.0f);

    if(wireframe){
    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }else{
    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
    }

    glBegin(GL_LINES);
    //depan kanan
    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(-1, 1, -10);
    glVertex3f(-1, -3, -10);

    //belakang kanan
    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(0, 2, -14);
    glVertex3f(0, -2, -14);

    //belakang kiri
    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(-4, 2, -14);
    glVertex3f(-4, -2, -14);

    //depan kiri
    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(-4, 1, -10);
    glVertex3f(-4, -3, -10);

    //bawah
    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(-1, -3, -10);
    glVertex3f(-4, -3, -10);

    //kanan
    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(-1, -3, -10);
    glVertex3f(0, -2, -14);

    //belakang
    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(-4, -2, -14);
    glVertex3f(0, -2, -14);

    //kiri
    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(-4, -2, -14);
    glVertex3f(-4, -3, -10);
    glEnd();

    glBegin(GL_TRIANGLES);
    //depan
    glColor3f(0.0f, 0.0f, 1.0f);
    glVertex3f(-4, 1, -10);
    glVertex3f(-1, 1, -10);
    glVertex3f(-3, 5, -12);

    //kanan
    glColor3f(0.0f, 1.0f, 1.0f);
    glVertex3f(-3, 5, -12);
    glVertex3f(-1, 1, -10);
    glVertex3f(0, 2, -14);

    //belakang
    glColor3f(1.0f, 0.0f, 1.0f);
    glVertex3f(-3, 5, -12);
    glVertex3f(-4, 2, -14);
    glVertex3f(0, 2, -14);

    //kiri
    glColor3f(1.0f, 0.0f, 0.0f);
    glVertex3f(-3, 5, -12);
    glVertex3f(-4, 2, -14);
    glVertex3f(-4, 1, -10);
    glEnd();



    }

    @Override
    public void deinit() {
    // TODO Auto-generated method stub

    }

    public static void main(String[] args) {
    // TODO Auto-generated method stub
    CG04_3DTransformation app = new CG04_3DTransformation();
    app.start(800, 600, false, true, "DemoApp04 - 3D Transformation");

    }

    }


  2. #2
    Super Moderator
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    Default Re: Help me Please... How to rotate this object and give colour inside

    Please post your code correctly. If you've lost the link to the instructions, here it is (near the top).

  3. #3
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    Default Re: Help me Please... How to rotate this object and give colour inside

    Also: It seems to me that your problem is not actually java related but more of a problem with understanding OpenGL. Maybe you will have more success asking questions like these on an OpenGL-related forum.

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