void GraphicsPainter::drawTriangle(const Point3f &a, const Point3f &b, const Point3f &c)
{
// verticies
QVector<Point3f> verticies(3);
verticies[0] = a;
verticies[1] = b;
verticies[2] = c;
// normals
Vector3f normal = (b - a).cross(c - b).normalized();
QVector<Vector3f> normals(3);
normals.fill(normal);
// indicies
QVector<unsigned short> indicies;
indicies << 0 << 1 << 2;
// setup buffer
GraphicsVertexBuffer buffer;
buffer.setVerticies(verticies);
buffer.setNormals(normals);
buffer.setIndicies(indicies);
// draw buffer
draw(&buffer);
}
/// Returns the number of verticies in the alpha shape.
int AlphaShape::vertexCount() const
{
return verticies().size();
}
