C:/development/RenderTools/src/factory/rendernode/Plane.cpp

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#include "Plane.h"
#include "Error.h"
#include "Rendergroup.h"
#include "Program.h"
#include "Stateset.h"
#include "Sampler.h"
#include "Vertexbuffer.h"

namespace RenderTools {

Plane::Plane( void ):
        Rendernode( ){
        
}

PropertyPtr Plane::create( const XMLNodePtr & xml ){
        PlanePtr p( new Plane() );
        p->setName( xml );
        p->createProperties();
        p->setProperties( xml, false );
        return( dynamic_pointer_cast< AbstractProperty, Plane >( p ) );
}

void Plane::createProperties( void ){
        Rendernode::createProperties();
}

const string Plane::getTypeName( bool ofComponent ) const {
        return( "Plane" );
}

Plane::~Plane( void ){
}

void Plane::fromEquation( const Vec4 & equation, bool send ){
        m_local = Mat4::fromPlaneEquation( equation );
        if( send ){
        }
}

void Plane::onInitialize( void ){

#ifndef RT_AS3
        Rendernode::removeVertexBuffers( false );
#endif

        VertexbufferPtr buffer( new Vertexbuffer() );
        buffer->addAttribute( 3, "vertex" );
        buffer->addAttribute( 2, "texcoord" );
        buffer->addAttribute( 3, "normal" );
#ifdef GL_STATIC_DRAW 
        buffer->setUsage( GL_STATIC_DRAW );
#endif
#ifdef GL_TRIANGLE_STRIP 
        buffer->setMode( GL_TRIANGLE_STRIP );
#endif
        buffer->setNumVertices( 4 );
        buffer->initialize();
        GLuint vertex = 0;
        
        buffer->setVertexAttribute( vertex, 0, * Vec3( -1.0f, -1.0f, 0.0f ) ); 
        buffer->setVertexAttribute( vertex, 1, * Vec2( 0.0f, 0.0f ) ); 
        buffer->setVertexAttribute( vertex, 2, * Vec3( 0.0f, 0.0f, 1.0f ) ); 
        vertex++;

        buffer->setVertexAttribute( vertex, 0, * Vec3( 1.0f, -1.0f, 0.0f ) ); 
        buffer->setVertexAttribute( vertex, 1, * Vec2( 1.0f, 0.0f ) ); 
        buffer->setVertexAttribute( vertex, 2, * Vec3( 0.0f, 0.0f, 1.0f ) ); 
        vertex++;

        buffer->setVertexAttribute( vertex, 0, * Vec3( 1.0f, 1.0f, 0.0f ) ); 
        buffer->setVertexAttribute( vertex, 1, * Vec2( 1.0f, 1.0f ) ); 
        buffer->setVertexAttribute( vertex, 2, * Vec3( 0.0f, 0.0f, 1.0f ) ); 
        vertex++;

        buffer->setVertexAttribute( vertex, 0, * Vec3( -1.0f, 1.0f, 0.0f ) ); 
        buffer->setVertexAttribute( vertex, 1, * Vec2( 0.0f, 1.0f ) ); 
        buffer->setVertexAttribute( vertex, 2, * Vec3( 0.0f, 0.0f, 1.0f ) ); 
        vertex++;
        
        addVertexBuffer( buffer );
        
}

void Plane::render( void ){
        Rendernode::render( );
}

Vec3 Plane::getNormal( void ) const {
        return( normalize( m_local.getCol(2).xyz() ) );
}

}; // namespace

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