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#include "painter.h"
#include <QtCore/qvarlengtharray.h>
void Painter::drawQuad(const QVector3D &c1, const QVector3D &c2,
const QVector3D &c3, const QVector3D &c4,
const QVector3D &normal)
{
QVarLengthArray<float> vertices;
QVarLengthArray<float> normals;
vertices.append(c1.x());
vertices.append(c1.y());
vertices.append(c1.z());
normals.append(normal.x());
normals.append(normal.y());
normals.append(normal.z());
vertices.append(c2.x());
vertices.append(c2.y());
vertices.append(c2.z());
normals.append(normal.x());
normals.append(normal.y());
normals.append(normal.z());
vertices.append(c3.x());
vertices.append(c3.y());
vertices.append(c3.z());
normals.append(normal.x());
normals.append(normal.y());
normals.append(normal.z());
vertices.append(c4.x());
vertices.append(c4.y());
vertices.append(c4.z());
normals.append(normal.x());
normals.append(normal.y());
normals.append(normal.z());
setVertices(vertices.constData(), 3);
setNormals(normals.constData(), 3);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}