#include <gl gl.h=""></gl>

#include "model.h"

void Model::normalize() {

    for(TriangleList::iterator i = triangles.begin(); i != triangles.end(); ++i)

        i->normalize();

}

void Model::transform(const Matrix4 &matrix) {

    for(TriangleList::iterator i = triangles.begin(); i != triangles.end(); ++i)

        for(int j = 0; j < 3; ++j)

            i->vertices[j] = matrix.transform( i->vertices[j] );

    normalize();

}

void Model::draw() const {

    glEnable(GL_LIGHTING);

    glColor4dv(color.c);

    glBegin(GL_TRIANGLES);

    for(TriangleList::const_iterator i = triangles.begin(); i != triangles.end(); ++i) {

        glNormal3dv(i->normal.c);

        glVertex3dv(i->vertices[0].c);

        glVertex3dv(i->vertices[1].c);

        glVertex3dv(i->vertices[2].c);

    }

    glEnd();

    glDisable(GL_LIGHTING);

}