Plane.cpp

/***************************************************************************
 *   This file is part of OpenCAL: Open Computer Animation Library         *
 *   I created OpenCAL as my master's thesis Computer Science (multimedia) *
 *   at the tUL university in Diepenbeek, Belgium                          *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Jeroen Dierckx                             *
 *   jeroen.dierckx@student.luc.ac.be                                      *
 *                                                                         *
 ***************************************************************************/

// Includes
#include "Plane.h"
#include <OpenCAL/Vertex.h>
#include <OpenCAL/Triangle.h>
#include <OpenCAL/Renderer.h>
#include <OpenCAL/System.h>
using namespace OpenCAL;

using namespace std;


/******************************
* Constructors and destructor *
******************************/

Plane::Plane(System *parent)
: RigidObject(parent), m_normal(0,1,0)
{
}

Plane::Plane(System *parent, const Vector3 &position, const Vector3 &normal)
: RigidObject(parent), m_normal(normal.normalized())
{
    m_position = position;
}

Plane::~Plane()
{
}


/************************
* Get and set functions *
************************/


/******************
* Other functions *
******************/

void Plane::render()
{
    Renderer *renderer = m_parent->getRenderer();
    if(!renderer) return;

    // Push the current transformation on the stack
    renderer->pushTransformation();

    renderer->translate(m_position);
    renderer->rotate(m_rotation);
    renderer->renderPlane();

    // Pop the transformation stack
    renderer->popTransformation();
}

float Plane::distance(const Vector3 &point) const
{
    return (point - m_position).dotProduct(m_normal);
}

/*
#ifdef USE_OPENGL
void Plane::initializeGL()
{
    Rigid::initializeGL();

    const int radius = 50;

    Vector3 p1(-radius, 0, -radius);
    Vector3 p2(-radius, 0,  radius);
    Vector3 p3( radius, 0,  radius);
    Vector3 p4( radius, 0, -radius);

    Vertex *a = m_surface.addVertex(p1);
    Vertex *b = m_surface.addVertex(p2);
    Vertex *c = m_surface.addVertex(p3);
    Vertex *d = m_surface.addVertex(p4);

    Triangle *t1 = m_surface.addTriangle(Triangle(a, b, c));
    t1->calculateNormal();
    Triangle *t2 = m_surface.addTriangle(Triangle(a, c, d));
    t2->calculateNormal();

    // Compile the plane
    glNewList(m_displayList, GL_COMPILE);
        m_surface.drawGL();
    glEndList();
}
#endif // USE_OPENGL
*/


/**********************
* Protected functions *
**********************/

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