Files
OpenSpace/modules/space/rendering/simplespheregeometry.cpp
Emil Axelsson a614f1ffda Remove some power scaled coordinates. Remove spice dependency from sphere
geometry. Remove dead code. Clean up bounding sphere code.
2017-04-13 21:27:49 +02:00

119 lines
4.8 KiB
C++

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#include <modules/space/rendering/simplespheregeometry.h>
#include <openspace/util/powerscaledsphere.h>
#include <openspace/scene/scenegraphnode.h>
namespace {
const std::string _loggerCat = "SimpleSphereGeometry";
}
namespace openspace {
namespace constants {
namespace simplespheregeometry {
const char* keyRadius = "Radius";
const char* keySegments = "Segments";
} // namespace simplespheregeometry
}
namespace planetgeometry {
SimpleSphereGeometry::SimpleSphereGeometry(const ghoul::Dictionary& dictionary)
: PlanetGeometry()
, _radius(
"radius",
"Radius",
glm::vec3(1.f, 1.f, 1.f),
glm::vec3(0.f, 0.f, 0.f),
glm::vec3(std::pow(10.f, 20.f), std::pow(10.f, 20.f), std::pow(10.f, 20.f)))
, _segments("segments", "Segments", 20, 1, 5000)
, _sphere(nullptr)
{
using constants::simplespheregeometry::keyRadius;
using constants::simplespheregeometry::keySegments;
float sphereRadius = 0.f;
glm::vec3 ellipsoidRadius;
if (dictionary.getValue(keyRadius, sphereRadius)) {
_radius = { sphereRadius, sphereRadius, sphereRadius };
} else if (dictionary.getValue(keyRadius, ellipsoidRadius)) {
_radius = ellipsoidRadius;
} else {
LERROR("SimpleSphereGeometry did not provide a key '"
<< keyRadius << "'");
}
double segments = 0;
if (dictionary.getValue(keySegments, segments)) {
_segments = static_cast<int>(segments);
} else {
LERROR("SimpleSphereGeometry did not provide a key '"
<< keySegments << "'");
}
// The shader need the radii values but they are not changeable runtime
// TODO: Possibly add a scaling property @AA
addProperty(_radius);
// Changing the radius/scaling should affect the shader but not the geometry? @AA
_radius.onChange(std::bind(&SimpleSphereGeometry::createSphere, this));
addProperty(_segments);
_segments.onChange(std::bind(&SimpleSphereGeometry::createSphere, this));
}
SimpleSphereGeometry::~SimpleSphereGeometry() {
}
bool SimpleSphereGeometry::initialize(Renderable* parent)
{
bool success = PlanetGeometry::initialize(parent);
createSphere();
return success;
}
void SimpleSphereGeometry::deinitialize() {
if (_sphere)
delete _sphere;
_sphere = nullptr;
}
void SimpleSphereGeometry::render() {
_sphere->render();
}
void SimpleSphereGeometry::createSphere(){
const glm::vec3 radius = _radius.value();
_parent->setBoundingSphere(std::max(std::max(radius[0], radius[1]), radius[2]));
if(_sphere)
delete _sphere;
_sphere = new PowerScaledSphere(glm::vec4(radius, 0.0), _segments);
_sphere->initialize();
}
} // namespace planetgeometry
} // namespace openspace