FIGURA GEOMETRICA EN 3D

CODIGO:

#include "stdafx.h"

#include <iostream>

#include <gl\glut.h>

GLfloat x=0.0,y=0.0,z=0.0,angulo=0.0,an=0.0,angu=0.0;

int actual=0;

float ver1[]={0,0,0};

float ver2[]={0,0,4};

float ver3[]={4,0,4};

float ver4[]={4,0,0};

float ver5[]={2,6,2};

void display(void)

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity();

glColor3f(1,1,1);

gluLookAt(0, 5, 15,     0, 0, 0,     0, 1, 0);

glTranslatef(x,y,z);

glRotatef(angulo,0,1,0);

glRotatef(an,1,0,0);

glRotatef(angu,0,0,1);

glBegin(GL_TRIANGLES);//cara derecha

glColor3f(1,0,1);//rojo y azul

glVertex3fv(ver3);

glVertex3fv(ver4);

glVertex3fv(ver5);

//cara trasera

glColor3f(1,0,0);//rojo

glVertex3fv(ver1);

glVertex3fv(ver4);

glVertex3fv(ver5);

//cara frontal

glColor3f(0,0,1);//azul

glVertex3fv(ver2);

glVertex3fv(ver3);

glVertex3fv(ver5);

//cara izquierda

glColor3f(1,1,0);//rojo y verde

glVertex3fv(ver1);

glVertex3fv(ver2);

glVertex3fv(ver5);

glEnd();

//cara base

glBegin(GL_QUADS);

glColor3f(0,1,1);//verde y azul

glVertex3fv(ver1);

glVertex3fv(ver2);

glVertex3fv(ver3);

glVertex3fv(ver4);

glEnd();

glFlush();

   glutSwapBuffers(); //Se hace el cambio de buffer

}

void Redimensionar(GLsizei ancho, GLsizei alto)

{

if(alto == 0)

{

 alto = 1;

}

 

glViewport(0, 0, ancho, alto);

    glMatrixMode(GL_PROJECTION);

    glLoadIdentity();

if(ancho>alto)

{

gluPerspective(45.0f,ancho/alto,1,150.0f);

}

else

{

gluPerspective(45.0f,alto/ancho,1,150.0f);

}

 

    glMatrixMode(GL_MODELVIEW);

    glLoadIdentity();

}

void teclado(unsigned char key,int inX, int inY)

{

if(key == 'w')

{

y=y+0.2f;

glutPostRedisplay();

}

if(key == 's')

{

y=y-0.2f;

glutPostRedisplay();

}

if(key == 'a')

{

x=x+0.2f;

glutPostRedisplay();

}

if(key == 'd')

{

x=x-0.2f;

glutPostRedisplay();

}

if(key == 'q')

{

z=z+0.2f;

glutPostRedisplay();

}

if(key == 'z')

{

z=z-0.2f;

glutPostRedisplay();

}

if(key == 'r')

{

angulo=angulo+10;

glutPostRedisplay();

}

if(key == 'f')

{

angulo=angulo-10;

glutPostRedisplay();

}

if(key == 't')

{

an=an+10;

glutPostRedisplay();

}

if(key == 'y')

{

an=an-10;

glutPostRedisplay();

}

if(key == 'g')

{

angu=angu+10;

glutPostRedisplay();

}

if(key == 'h')

{

angu=angu-10;

glutPostRedisplay();

}

}

void myinit()

{

/*glMatrixMode(GL_PROJECTION);

glLoadIdentity();

glMatrixMode(GL_MODELVIEW);*/

glClearColor(0.0, 1.0, 1.0, 1.0);

}

void InicializarGL(void)

{

glEnable(GL_DEPTH_TEST);

glDisable(GL_CULL_FACE);

}

void main(void)

{

glutInitWindowSize(640,480);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB); //En este punto se hace la solicitud de doble buffer

glutInitWindowPosition(50,50);

glutCreateWindow("PIRAMIDE");

glutDisplayFunc(display);

    glutReshapeFunc(Redimensionar);

glutKeyboardFunc(teclado);

InicializarGL();

    glutMainLoop();

myinit();

glutDestroyWindow(glutGetWindow());

}

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