void Sphere::draw( const std::string &_shaderName, ngl::TransformStack &_transformStack, const ngl::Mat4 &_globalTx, ngl::Camera *_cam )const
{
// draw wireframe if hit
if(m_hit)
{
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
}
else
{
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
}
ngl::ShaderLib *shader=ngl::ShaderLib::instance();
shader->use(_shaderName);
// grab an instance of the primitives for drawing
ngl::VAOPrimitives *prim=ngl::VAOPrimitives::instance();
_transformStack.pushTransform();
{
_transformStack.setPosition(m_pos);
_transformStack.setScale(m_radius,m_radius,m_radius);
loadMatricesToShader(_transformStack,_globalTx,_cam);
prim->draw("sphere");
} // and before a pop
_transformStack.popTransform();
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
}
