shared_ptr<MATRIX_4X4> OpenGL3DRenderer::generateModelMatrix(int windowWidth, int windowHeight)
{
VECTOR_3D worldCenter = VECTOR_3D(-_renderContext->width()*1.0f / 2,
-_renderContext->height()*1.0f / 2,
-_renderContext->depth()*1.0f / 2);
glm::mat4 translation = glm::translate(glm::mat4(1.0f), worldCenter); // Center object around (0, 0, 0)
// Arcball code starts here
_arcball->updateScreenSize(windowWidth, windowHeight);
if (_lastViewMatrix == nullptr) // Handle first frame case
_lastViewMatrix = generateViewMatrix(windowWidth, windowHeight);
auto rotation = _arcball->modelRotationMatrix(std::make_shared<MATRIX_4X4>(translation), _lastViewMatrix);
// TODO: handle FPS
double currentTime = glfwGetTime();
float deltaTime = float(currentTime - _lastFrameRenderTime);
_lastFrameRenderTime = currentTime;
// Arcball code ends here
//_lastModelMatrix = std::make_shared<MATRIX_4X4>(translation * (*rotation));
return std::make_shared<MATRIX_4X4>((*rotation) * translation);
}
shared_ptr<VECTOR_3D> OpenGL3DRenderer::generateLightSource()
{
VECTOR_3D spotLight = VECTOR_3D(_renderContext->width()*1.0f * 1.5,
_renderContext->height()*1.0f * 1.5,
_renderContext->depth()*1.0f * 1.5);
return std::make_shared<VECTOR_3D>(spotLight);
}
Ioss::NodeBlock::NodeBlock(Ioss::DatabaseIO *io_database,
const std::string &my_name,
int64_t node_count,
int64_t degrees_of_freedom)
: Ioss::EntityBlock(io_database, my_name, "node", node_count)
{
properties.add(Ioss::Property("component_degree",
static_cast<int>(degrees_of_freedom)));
std::string vector_name;
assert(degrees_of_freedom == 1 || degrees_of_freedom == 2 || degrees_of_freedom == 3);
if (degrees_of_freedom == 1)
vector_name = SCALAR();
else if (degrees_of_freedom == 2)
vector_name = VECTOR_2D();
else if (degrees_of_freedom == 3)
vector_name = VECTOR_3D();
fields.add(Ioss::Field("mesh_model_coordinates",
Ioss::Field::REAL, vector_name,
Ioss::Field::MESH, node_count));
// Permit access 1-coordinate at a time
fields.add(Ioss::Field("mesh_model_coordinates_x",
Ioss::Field::REAL, SCALAR(),
Ioss::Field::MESH, node_count));
if (degrees_of_freedom > 1)
fields.add(Ioss::Field("mesh_model_coordinates_y",
Ioss::Field::REAL, SCALAR(),
Ioss::Field::MESH, node_count));
if (degrees_of_freedom > 2)
fields.add(Ioss::Field("mesh_model_coordinates_z",
Ioss::Field::REAL, SCALAR(),
Ioss::Field::MESH, node_count));
fields.add(Ioss::Field("node_connectivity_status",
Ioss::Field::CHARACTER, SCALAR(),
Ioss::Field::MESH, node_count));
}
