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sylvass
76 lines
3.2 KiB
C++
76 lines
3.2 KiB
C++
#include <modules/skybrowser/include/wwtdatahandler.h>
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#include <openspace/interaction/navigationhandler.h>
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#include <openspace/engine/globals.h>
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#include <openspace/util/camera.h>
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#include <cmath> // For atan2
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#include <glm/gtx/string_cast.hpp> // For printing glm data
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#define _USE_MATH_DEFINES
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#include <math.h>
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namespace openspace {
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namespace skybrowser {
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// Constants
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constexpr const double ScreenSpaceZ = -2.1;
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constexpr const glm::dvec3 NorthPole = { 0.0 , 0.0 , 1.0 };
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constexpr const double CelestialSphereRadius = std::numeric_limits<float>::max();
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// Conversion matrix - J2000 equatorial <-> galactic
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// https://arxiv.org/abs/1010.3773v1
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const glm::dmat3 conversionMatrix = glm::dmat3({
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-0.054875539390, 0.494109453633, -0.867666135681, // col 0
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-0.873437104725, -0.444829594298, -0.198076389622, // col 1
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-0.483834991775, 0.746982248696, 0.455983794523 // col 2
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});
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// Galactic coordinates are projected onto the celestial sphere
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// Equatorial coordinates are unit length
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// Conversion spherical <-> Cartesian
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glm::dvec2 cartesianToSpherical(glm::dvec3 coords);
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glm::dvec3 sphericalToCartesian(glm::dvec2 coords);
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// Conversion J2000 equatorial <-> galactic
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glm::dvec3 galacticToEquatorial(glm::dvec3 coords);
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glm::dvec3 galacticToLocalCamera(glm::dvec3 coords);
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glm::dvec3 equatorialToGalactic(glm::dvec3 coords);
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// Conversion J2000 equatorial / galactic <-> screen space
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glm::dvec3 equatorialToScreenSpace(glm::dvec3 coords);
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glm::dvec3 galacticToScreenSpace(glm::dvec3 coords);
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glm::dvec3 localCameraToGalactic(glm::dvec3 coords);
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glm::dvec3 localCameraToEquatorial(glm::dvec3 coords);
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// Camera roll and direction
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// Camera roll is with respect to the equatorial North Pole
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bool isCoordinateInView(glm::dvec3 equatorial);
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float windowRatio();
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double cameraRoll();
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glm::vec2 pixelToScreenSpace(glm::vec2& mouseCoordinate);
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glm::dvec2 fovWindow();
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glm::dvec3 cameraDirectionGalactic();
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glm::dvec3 cameraDirectionEquatorial();
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double angleVector(glm::dvec3 start, glm::dvec3 end);
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glm::dmat4 incrementalAnimationMatrix(glm::dvec3 start,
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glm::dvec3 end, double deltaTime,
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double speedFactor = 1.0);
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}
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// WorldWide Telescope messages
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namespace wwtmessage {
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inline int messageCounter{ 0 };
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ghoul::Dictionary moveCamera(const glm::dvec2 celestCoords,
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const double fov, const double roll, const bool shouldMoveInstantly = true);
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ghoul::Dictionary loadCollection(const std::string& url);
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ghoul::Dictionary setForeground(const std::string& name);
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ghoul::Dictionary addImage(const std::string& id, const std::string& url);
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ghoul::Dictionary removeImage(const std::string& id);
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ghoul::Dictionary setImageOpacity(const std::string& id, double opacity);
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ghoul::Dictionary setForegroundOpacity(double val);
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ghoul::Dictionary setLayerOrder(const std::string& id, int version);
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}
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}
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