DrawGLScene.cpp

by Kuba on December 29th, 2010

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Syntax: C++

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#include "SDL_opengl.h"
#include "LadujScene.h"

extern GLuint tex[];
float x, y, z; int pos;

void rysujNiebo();
void rysujZiemie();
void rysujCube(float x, float y, float z);
void rysujMurek(float x, float y, float z);
void rysujSciane(float x, float y, float z, int Sciana);
void rysujPodloge(float x, float y, float z);
void fotka_leo(float x, float y, float z);
void fotka_me(float x, float y, float z);

void DrawGLScene( float xPos, float zPos, float yRot, float walkbias, float lookupdown )
{
    GLfloat xTrans = -xPos;
    GLfloat zTrans = -zPos;
    GLfloat yTrans = -walkbias + -25.0f;
    GLfloat sceneroty = 360.0f - yRot;

glRotatef(lookupdown, 1.0f, 0.0f, 0.0f);
    glRotatef( sceneroty, 0.0f, 1.0f, 0.0f );
    glTranslatef(xTrans, yTrans, zTrans);

int i = 0;

do
    {
         x  = Sciana[i].x;
         y  = Sciana[i].y;
         z  = Sciana[i].z;
        pos = Sciana[i].pos;
        rysujSciane( x, y, z, pos);
        i++;
    }
    while(i != iloscScian);

i = 0;

do
    {
        x  = Podloga[i].x;
        y  = Podloga[i].y;
        z  = Podloga[i].z;
        rysujPodloge( x, y, z );
        i++;
    }
    while(i != iloscPodlog);

rysujZiemie();
    rysujNiebo();
}

void rysujSciane(float x, float y, float z, int Sciana)
{
    if( Sciana == PIONOWA )
    {
        for( int i=0; i<=90; i+=10 )
         rysujMurek( x+i, y, z );
    }
    else if( Sciana == POZIOMA )
    {
        for( int j=0; j<=90; j+=10 )
         rysujMurek( x, y, z+j );
    }

//    for ( int i=0; i<=90; i+=10 )
//     for ( int j=0; j<=90; j+=10 )
//      rysujMurek( x+i, y, z+j );

}

void rysujMurek(float x, float y, float z)
{
    rysujCube(x, -10.0f, z);
    rysujCube(x,   0.0f, z);
    rysujCube(x,  10.0f, z);
    rysujCube(x,  20.0f, z);
    rysujCube(x,  30.0f, z);
    rysujCube(x,  40.0f, z);
    rysujCube(x,  50.0f, z);
}

void rysujCube(float x, float y, float z)
{
    //int wysokosc = 20;

glBindTexture(GL_TEXTURE_2D,tex[1]);
    glBegin( GL_QUADS );
      // FRONT
      glTexCoord2f(0.0f, 0.0f); glVertex3f( x+10, y+10, z+10 ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f(  x  , y+10, z+10 ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f(  x  ,  y,   z+10 ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f( x+10,  y,   z+10 ); // bottom right

// BACK
      glTexCoord2f(0.0f, 0.0f); glVertex3f( x+10,  y,   z  ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f(  x,    y,   z  ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f(  x,   y+10, z  ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f( x+10, y+10, z  ); // bottom right

// TOP
      glTexCoord2f(0.0f, 0.0f); glVertex3f( x+10, y+10, z    ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f(  x,   y+10, z    ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f(  x,   y+10, z+10 ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f( x+10, y+10, z+10 ); // bottom right

// BOTTOM
      glTexCoord2f(0.0f, 0.0f); glVertex3f(  x,    y,   z+10 ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f( x+10,  y,   z+10 ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f( x+10,  y,    z   ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f(  x,    y,    z   ); // bottom right

// LEFT
      glTexCoord2f(0.0f, 0.0f); glVertex3f(  x,    y,   z+10 ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f(  x,    y,    z   ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f(  x,   y+10,  z   ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f(  x,   y+10, z+10 ); // bottom right

// RIGHT
      glTexCoord2f(0.0f, 0.0f); glVertex3f( x+10, y+10,  z   ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f( x+10, y+10, z+10 ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f( x+10,  y,   z+10 ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f( x+10,  y,    z   ); // bottom right
    glEnd();
}

void rysujPodloge(float x, float y, float z)
{
    glBindTexture(GL_TEXTURE_2D,tex[2]);
    glBegin( GL_QUADS );
      glTexCoord2f(0.0f, 0.0f); glVertex3f(  x,   -10.0f,    z    ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f( x-10, -10.0f,    z    ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f( x-10, -10.0f, z+10.0f ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f(  x,   -10.0f, z+10.0f ); // bottom right
    glEnd();
}

//void rysujSufit(float x, float y, float z)
//{
//    glBindTexture(GL_TEXTURE_2D,tex[3]);
//    glBegin( GL_QUADS );
//      glTexCoord2f(0.0f, 0.0f); glVertex3f(  x,    20.0f,    z    ); // top right
//      glTexCoord2f(1.0f, 0.0f); glVertex3f( x-20,  20.0f,    z    ); // top left
//      glTexCoord2f(1.0f, 1.0f); glVertex3f( x-20,  20.0f, z+20.0f ); // bottom left
//      glTexCoord2f(0.0f, 1.0f); glVertex3f(  x,    20.0f, z+20.0f ); // bottom right
//    glEnd();
//}

void rysujZiemie()
{
    glPushMatrix();

glBindTexture(GL_TEXTURE_2D, tex[3]);
      glTranslatef( 0.0f, -11.0f, 0.0f );
      glBegin(GL_QUADS);
        glTexCoord2f(  1.0f,  1.0f ); glVertex3f( -1000.0f, 0.0f,  1000.0f );
        glTexCoord2f( 50.0f,  1.0f ); glVertex3f(  1000.0f, 0.0f,  1000.0f );
        glTexCoord2f( 50.0f, 50.0f ); glVertex3f(  1000.0f, 0.0f, -1000.0f );
        glTexCoord2f(  1.0f, 50.0f ); glVertex3f( -1000.0f, 0.0f, -1000.0f );
      glEnd();

glPopMatrix();
}

void rysujNiebo()
{
    glPushMatrix();
    glBindTexture(GL_TEXTURE_2D,tex[6]);
    glBegin( GL_QUADS );

// TOP
      glTexCoord2f(0.0f, 0.0f); glVertex3f( -1000.0f, 200.0f,  1000.0f ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f(  1000.0f, 200.0f,  1000.0f ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f(  1000.0f, 200.0f, -1000.0f ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f( -1000.0f, 200.0f, -1000.0f ); // bottom right

// FRONT
      glTexCoord2f(0.0f, 0.0f); glVertex3f( -1000.0f, 200.0f,  1000.0f ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f(  1000.0f, 200.0f,  1000.0f ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f(  1000.0f, -11.0f,  1000.0f ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f( -1000.0f, -11.0f,  1000.0f ); // bottom right

// BACK
      glTexCoord2f(0.0f, 0.0f); glVertex3f( -1000.0f, 200.0f, -1000.0f ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f(  1000.0f, 200.0f, -1000.0f ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f(  1000.0f, -11.0f, -1000.0f ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f( -1000.0f, -11.0f, -1000.0f ); // bottom right

// LEFT
      glTexCoord2f(0.0f, 0.0f); glVertex3f( 1000.0f, 200.0f,  1000.0f ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f( 1000.0f, 200.0f, -1000.0f ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f( 1000.0f, -11.0f, -1000.0f ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f( 1000.0f, -11.0f,  1000.0f ); // bottom right

// RIGHT
      glTexCoord2f(0.0f, 0.0f); glVertex3f( -1000.0f, 200.0f,  1000.0f ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f( -1000.0f, 200.0f, -1000.0f ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f( -1000.0f, -11.0f, -1000.0f ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f( -1000.0f, -11.0f,  1000.0f ); // bottom right

glEnd();
    glPopMatrix();
}

void fotka_leo(float x, float y, float z)
{
    glPushMatrix();
    glLoadIdentity();
    glTranslatef( x, y, z );
    glBindTexture(GL_TEXTURE_2D,tex[4]);
    glBegin( GL_QUADS );
      glTexCoord2f(0.0f, 0.0f); glVertex3f(  0.5f, -0.5f, 0.0f ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f( -0.5f, -0.5f, 0.0f ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f( -0.5f,  0.5f, 0.0f ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f(  0.5f,  0.5f, 0.0f ); // bottom right
    glEnd();
    glPopMatrix();
}

void fotka_me(float x, float y, float z)
{
    glPushMatrix();
    glLoadIdentity();
    glTranslatef( x, y, z );
    glBindTexture(GL_TEXTURE_2D,tex[5]);
    glBegin( GL_QUADS );
      glTexCoord2f(0.0f, 0.0f); glVertex3f(  0.5f, -0.5f, 0.0f ); // top right
      glTexCoord2f(1.0f, 0.0f); glVertex3f( -0.5f, -0.5f, 0.0f ); // top left
      glTexCoord2f(1.0f, 1.0f); glVertex3f( -0.5f,  0.5f, 0.0f ); // bottom left
      glTexCoord2f(0.0f, 1.0f); glVertex3f(  0.5f,  0.5f, 0.0f ); // bottom right
    glEnd();
    glPopMatrix();
}

DrawGLScene.cpp

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