void Scene::pointLightPass(RenderTarget *target)
{
if(!this->pointLights.empty ())
{
for(int i =0;i<pointLights.size ();i++)
{
ShaderProgram * shader = ShaderPool::getInstance ()->get("point_light_pass");
shader->use ();
PointLight * light = this->pointLights[i];
light->apply (shader,0);
m_quad->setShaderProgram (shader);
QMatrix4x4 m;
m.setToIdentity ();
auto camera = target->camera ();
shader->setUniformMat4v ("g_MVP_matrix",m.data ());
shader->setUniform2Float ("g_screen_size",1024,768);
shader->setUniformInteger ("g_color_map",0);
shader->setUniformInteger ("g_position_map",1);
shader->setUniformInteger ("g_normal_map",2);
shader->setUniform3Float ("g_eye_position",
camera->pos ().x(),
camera->pos ().y(),
camera->pos ().z());
m_quad->draw (true);
}
}
}
void Scene::spotLightPass(RenderTarget * target)
{
if(!this->spotLights.empty ())
{
for(int i =0;i<spotLights.size ();i++)
{
PointLight * light = this->spotLights[i];
light->shadowFBO ()->BindForReading(GL_TEXTURE3);
ShaderProgram * shader = ShaderPool::getInstance ()->get("spot_light_pass");
shader->use ();
light->shadowFBO ()->applyShadowMapTexture (shader,3);
light->apply (shader,0);
m_quad->setShaderProgram (shader);
QMatrix4x4 m;
m.setToIdentity ();
auto camera = target->camera ();
shader->setUniformMat4v ("g_MVP_matrix",m.data ());
shader->setUniform2Float ("g_screen_size",1024,768);
shader->setUniformInteger ("g_color_map",0);
shader->setUniformInteger ("g_position_map",1);
shader->setUniformInteger ("g_normal_map",2);
shader->setUniform3Float ("g_eye_position",
camera->pos ().x(),
camera->pos ().y(),
camera->pos ().z());
QMatrix4x4 lightView;
lightView.setToIdentity();
lightView.lookAt(spotLights[0]->getPos(),this->spotLights[0]->getPos()+this->spotLights[0]->getDirection(),QVector3D(0,1,0));
QMatrix4x4 light_vp;
light_vp = camera->getProjection () * lightView ;
shader->setUniformMat4v ("g_light_vp_matrix",light_vp.data ());
m_quad->draw (true);
}
}
}