Camera doesn't move

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

Posted by hugo on Game Development See other posts from Game Development or by hugo
Published on 2012-12-19T20:57:00Z Indexed on 2012/12/20 5:14 UTC
Read the original article Hit count: 284

Filed under:
|
|
|

Here is my code, as my subject indicates i have implemented a camera but I couldn't make it move.

#define PI_OVER_180 0.0174532925f
#define GL_CLAMP_TO_EDGE 0x812F


#include "metinalifeyyaz.h"
#include <GL/glu.h>
#include <GL/glut.h>
#include <QTimer>
#include <cmath>
#include <QKeyEvent>
#include <QWidget>
#include <QDebug>


metinalifeyyaz::metinalifeyyaz(QWidget *parent) :
    QGLWidget(parent)
{

    this->setFocusPolicy(Qt:: StrongFocus);
    time = QTime::currentTime();
    timer = new QTimer(this);
    timer->setSingleShot(true);
    connect(timer, SIGNAL(timeout()), this, SLOT(updateGL()));
    xpos = yrot = zpos = 0;
    walkbias = walkbiasangle = lookupdown = 0.0f;
    keyUp = keyDown = keyLeft = keyRight = keyPageUp = keyPageDown = false;

}

void metinalifeyyaz::drawBall() {

    //glTranslatef(6,0,4);
    glutSolidSphere(0.10005,300,30);

}
metinalifeyyaz:: ~metinalifeyyaz(){

    glDeleteTextures(1,texture);

}


void metinalifeyyaz::initializeGL(){

    glShadeModel(GL_SMOOTH);
    glClearColor(1.0,1.0,1.0,0.5);
    glClearDepth(1.0f);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_TEXTURE_2D);
    glDepthFunc(GL_LEQUAL);

    glClearColor(1.0,1.0,1.0,1.0);
    glShadeModel(GL_SMOOTH);

    GLfloat mat_specular[]={1.0,1.0,1.0,1.0};
    GLfloat mat_shininess []={30.0};
    GLfloat light_position[]={1.0,1.0,1.0};
    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
    glMaterialfv(GL_FRONT,GL_SHININESS,mat_shininess);
    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glEnable(GL_LIGHT0);
    glEnable(GL_LIGHTING);

    QImage img1 = convertToGLFormat(QImage(":/new/prefix1/halisaha2.bmp"));
    QImage img2 = convertToGLFormat(QImage(":/new/prefix1/white.bmp"));
    glGenTextures(2,texture);


    glBindTexture(GL_TEXTURE_2D, texture[0]);
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img1.width(), img1.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, img1.bits());
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);


    glBindTexture(GL_TEXTURE_2D, texture[1]);
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img2.width(), img2.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, img2.bits());
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really nice perspective calculations

}

void metinalifeyyaz::resizeGL(int w, int h){

    if(h==0)

        h=1;

    glViewport(0,0,w,h);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();

    gluPerspective(45.0f, static_cast<GLfloat>(w)/h,0.1f,100.0f);

    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();

}

void metinalifeyyaz::paintGL(){

    movePlayer();

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();

    GLfloat xtrans = -xpos;
    GLfloat ytrans = -walkbias - 0.50f;
    GLfloat ztrans = -zpos;
    GLfloat sceneroty = 360.0f - yrot;

    glLoadIdentity();
    glRotatef(lookupdown, 1.0f, 0.0f, 0.0f);
    glRotatef(sceneroty, 0.0f, 1.0f, 0.0f);
    glTranslatef(xtrans, ytrans+50, ztrans-130);

    glLoadIdentity();
    glTranslatef(1.0f,0.0f,-18.0f);
    glRotatef(45,1,0,0);
    drawScene();

    int delay = time.msecsTo(QTime::currentTime());
    if (delay == 0)
        delay = 1;
    time = QTime::currentTime();
    timer->start(qMax(0,10 - delay));



}

void metinalifeyyaz::movePlayer() {

    if (keyUp) {
        xpos -= sin(yrot * PI_OVER_180) * 0.5f;
        zpos -= cos(yrot * PI_OVER_180) * 0.5f;
        if (walkbiasangle >= 360.0f)
            walkbiasangle = 0.0f;
        else
            walkbiasangle += 7.0f;
        walkbias = sin(walkbiasangle * PI_OVER_180) / 10.0f;
    } else if (keyDown) {
        xpos += sin(yrot * PI_OVER_180)*0.5f;
        zpos += cos(yrot * PI_OVER_180)*0.5f ;
        if (walkbiasangle <= 7.0f)
            walkbiasangle = 360.0f;
        else
            walkbiasangle -= 7.0f;
        walkbias = sin(walkbiasangle * PI_OVER_180) / 10.0f;
    }

    if (keyLeft)
        yrot += 0.5f;
    else if (keyRight)
        yrot -= 0.5f;

    if (keyPageUp)
        lookupdown -= 0.5;
    else if (keyPageDown)
        lookupdown += 0.5;
}


void metinalifeyyaz::keyPressEvent(QKeyEvent *event) {

    switch (event->key()) {
    case Qt::Key_Escape:
        close();
        break;
    case Qt::Key_F1:
        setWindowState(windowState() ^ Qt::WindowFullScreen);
        break;
    default:
        QGLWidget::keyPressEvent(event);
    case Qt::Key_PageUp:
        keyPageUp = true;
        break;
    case Qt::Key_PageDown:
        keyPageDown = true;
        break;
    case Qt::Key_Left:
        keyLeft = true;
        break;
    case Qt::Key_Right:
        keyRight = true;
        break;
    case Qt::Key_Up:
        keyUp = true;
        break;
    case Qt::Key_Down:
        keyDown = true;
        break;

    }
}

void metinalifeyyaz::changeEvent(QEvent *event) {

    switch (event->type()) {
    case QEvent::WindowStateChange:

        if (windowState() == Qt::WindowFullScreen)
            setCursor(Qt::BlankCursor);
        else
            unsetCursor();
        break;
    default:
        break;
    }
}
void metinalifeyyaz::keyReleaseEvent(QKeyEvent *event) {

    switch (event->key()) {
    case Qt::Key_PageUp:
        keyPageUp = false;
        break;
    case Qt::Key_PageDown:
        keyPageDown = false;
        break;
    case Qt::Key_Left:
        keyLeft = false;
        break;
    case Qt::Key_Right:
        keyRight = false;
        break;
    case Qt::Key_Up:
        keyUp = false;
        break;
    case Qt::Key_Down:
        keyDown = false;
        break;
    default:
        QGLWidget::keyReleaseEvent(event);


    }
}
void metinalifeyyaz::drawScene(){

    glBegin(GL_QUADS);
    glNormal3f(0.0f,0.0f,1.0f);
    // glColor3f(0,0,1);           //back
    glVertex3f(-6,0,-4);
    glVertex3f(-6,-0.5,-4);
    glVertex3f(6,-0.5,-4);
    glVertex3f(6,0,-4);

    glEnd();

    glBegin(GL_QUADS);
    glNormal3f(0.0f,0.0f,-1.0f);                            //front
    glVertex3f(6,0,4);
    glVertex3f(6,-0.5,4);
    glVertex3f(-6,-0.5,4);
    glVertex3f(-6,0,4);
    glEnd();

    glBegin(GL_QUADS);
    glNormal3f(-1.0f,0.0f,0.0f);
    // glColor3f(0,0,1);       //left
    glVertex3f(-6,0,4);
    glVertex3f(-6,-0.5,4);
    glVertex3f(-6,-0.5,-4);
    glVertex3f(-6,0,-4);
    glEnd();

    glBegin(GL_QUADS);
    glNormal3f(1.0f,0.0f,0.0f);
    // glColor3f(0,0,1);       //right
    glVertex3f(6,0,-4);
    glVertex3f(6,-0.5,-4);
    glVertex3f(6,-0.5,4);
    glVertex3f(6,0,4);
    glEnd();

    glBindTexture(GL_TEXTURE_2D, texture[0]);
    glBegin(GL_QUADS);
    glNormal3f(0.0f,1.0f,0.0f);//top

    glTexCoord2f(1.0f,0.0f);
    glVertex3f(6,0,-4);
    glTexCoord2f(1.0f,1.0f);
    glVertex3f(6,0,4);
    glTexCoord2f(0.0f,1.0f);
    glVertex3f(-6,0,4);
    glTexCoord2f(0.0f,0.0f);
    glVertex3f(-6,0,-4);
    glEnd();


    glBegin(GL_QUADS);
    glNormal3f(0.0f,-1.0f,0.0f);
    //glColor3f(0,0,1);       //bottom
    glVertex3f(6,-0.5,-4);
    glVertex3f(6,-0.5,4);
    glVertex3f(-6,-0.5,4);
    glVertex3f(-6,-0.5,-4);

    glEnd();

   // glPushMatrix();


    glBindTexture(GL_TEXTURE_2D, texture[1]);
    glBegin(GL_QUADS);

    glNormal3f(1.0f,0.0f,0.0f);
    glTexCoord2f(1.0f,0.0f);   //right far goal post front face
    glVertex3f(5,0.5,-0.95);
    glTexCoord2f(1.0f,1.0f);
    glVertex3f(5,0,-0.95);
    glTexCoord2f(0.0f,1.0f);
    glVertex3f(5,0,-1);
    glTexCoord2f(0.0f,0.0f);
    glVertex3f(5, 0.5, -1);

    glColor3f(1,1,1);               //right far goal post back face
    glVertex3f(5.05,0.5,-0.95);
    glVertex3f(5.05,0,-0.95);
    glVertex3f(5.05,0,-1);
    glVertex3f(5.05, 0.5, -1);

    glColor3f(1,1,1);               //right far goal post left face
    glVertex3f(5,0.5,-1);
    glVertex3f(5,0,-1);
    glVertex3f(5.05,0,-1);
    glVertex3f(5.05, 0.5, -1);

    glColor3f(1,1,1);               //right far goal post right face
    glVertex3f(5.05,0.5,-0.95);
    glVertex3f(5.05,0,-0.95);
    glVertex3f(5,0,-0.95);
    glVertex3f(5, 0.5, -0.95);


    glColor3f(1,1,1);               //right near goal post front face
    glVertex3f(5,0.5,0.95);
    glVertex3f(5,0,0.95);
    glVertex3f(5,0,1);
    glVertex3f(5,0.5, 1);

    glColor3f(1,1,1);               //right near goal post back face
    glVertex3f(5.05,0.5,0.95);
    glVertex3f(5.05,0,0.95);
    glVertex3f(5.05,0,1);
    glVertex3f(5.05,0.5, 1);

    glColor3f(1,1,1);               //right near goal post left face
    glVertex3f(5,0.5,1);
    glVertex3f(5,0,1);
    glVertex3f(5.05,0,1);
    glVertex3f(5.05,0.5, 1);

    glColor3f(1,1,1);               //right near goal post right face
    glVertex3f(5.05,0.5,0.95);
    glVertex3f(5.05,0,0.95);
    glVertex3f(5,0,0.95);
    glVertex3f(5,0.5, 0.95);

    glColor3f(1,1,1);               //right crossbar front face
    glVertex3f(5,0.55,-1);
    glVertex3f(5,0.55,1);
    glVertex3f(5,0.5,1);
    glVertex3f(5,0.5,-1);

    glColor3f(1,1,1);               //right crossbar back face
    glVertex3f(5.05,0.55,-1);
    glVertex3f(5.05,0.55,1);
    glVertex3f(5.05,0.5,1);
    glVertex3f(5.05,0.5,-1);

    glColor3f(1,1,1);               //right crossbar bottom face
    glVertex3f(5.05,0.5,-1);
    glVertex3f(5.05,0.5,1);
    glVertex3f(5,0.5,1);
    glVertex3f(5,0.5,-1);

    glColor3f(1,1,1);               //right crossbar top face
    glVertex3f(5.05,0.55,-1);
    glVertex3f(5.05,0.55,1);
    glVertex3f(5,0.55,1);
    glVertex3f(5,0.55,-1);

    glColor3f(1,1,1);               //left far goal post front face
    glVertex3f(-5,0.5,-0.95);
    glVertex3f(-5,0,-0.95);
    glVertex3f(-5,0,-1);
    glVertex3f(-5, 0.5, -1);

    glColor3f(1,1,1);               //right far goal post back face
    glVertex3f(-5.05,0.5,-0.95);
    glVertex3f(-5.05,0,-0.95);
    glVertex3f(-5.05,0,-1);
    glVertex3f(-5.05, 0.5, -1);

    glColor3f(1,1,1);               //right far goal post left face
    glVertex3f(-5,0.5,-1);
    glVertex3f(-5,0,-1);
    glVertex3f(-5.05,0,-1);
    glVertex3f(-5.05, 0.5, -1);

    glColor3f(1,1,1);               //right far goal post right face
    glVertex3f(-5.05,0.5,-0.95);
    glVertex3f(-5.05,0,-0.95);
    glVertex3f(-5,0,-0.95);
    glVertex3f(-5, 0.5, -0.95);

    glColor3f(1,1,1);               //left near goal post front face
    glVertex3f(-5,0.5,0.95);
    glVertex3f(-5,0,0.95);
    glVertex3f(-5,0,1);
    glVertex3f(-5,0.5, 1);

    glColor3f(1,1,1);               //right near goal post back face
    glVertex3f(-5.05,0.5,0.95);
    glVertex3f(-5.05,0,0.95);
    glVertex3f(-5.05,0,1);
    glVertex3f(-5.05,0.5, 1);

    glColor3f(1,1,1);               //right near goal post left face
    glVertex3f(-5,0.5,1);
    glVertex3f(-5,0,1);
    glVertex3f(-5.05,0,1);
    glVertex3f(-5.05,0.5, 1);

    glColor3f(1,1,1);               //right near goal post right face
    glVertex3f(-5.05,0.5,0.95);
    glVertex3f(-5.05,0,0.95);
    glVertex3f(-5,0,0.95);
    glVertex3f(-5,0.5, 0.95);


    glColor3f(1,1,1);               //left crossbar front face
    glVertex3f(-5,0.55,-1);
    glVertex3f(-5,0.55,1);
    glVertex3f(-5,0.5,1);
    glVertex3f(-5,0.5,-1);

    glColor3f(1,1,1);               //right crossbar back face
    glVertex3f(-5.05,0.55,-1);
    glVertex3f(-5.05,0.55,1);
    glVertex3f(-5.05,0.5,1);
    glVertex3f(-5.05,0.5,-1);

    glColor3f(1,1,1);               //right crossbar bottom face
    glVertex3f(-5.05,0.5,-1);
    glVertex3f(-5.05,0.5,1);
    glVertex3f(-5,0.5,1);
    glVertex3f(-5,0.5,-1);

    glColor3f(1,1,1);               //right crossbar top face
    glVertex3f(-5.05,0.55,-1);
    glVertex3f(-5.05,0.55,1);
    glVertex3f(-5,0.55,1);
    glVertex3f(-5,0.55,-1);

    glEnd();


 //   glPopMatrix();


//    glPushMatrix();
//    glTranslatef(0,0,0);



//    glutSolidSphere(0.10005,500,30);
//    glPopMatrix();

}

© Game Development or respective owner

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

Related posts about opengl

Related posts about camera

Categories cloud

.NET ASP.NET iphone linux python Windows mysql android sql windows-7 html c ruby-on-rails css objective-c ubuntu networking sql-server wpf asp.net-mvc ruby database Xml apache AJAX osx security regex django Performance 12.04 windows-xp mac web-development iphone-sdk vb.net Silverlight apache2 flash server perl best-practices email installation eclipse visual-studio algorithm windows-server-2008 winforms wcf firefox bash dns /Oracle