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OpenSpace/modules/base/rendering/pointcloud/renderableinterpolatedpoints.h
2024-02-06 15:53:24 +01:00

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/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2024 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
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* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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#ifndef __OPENSPACE_MODULE_BASE___RENDERABLEINTERPOLATEDPOINTS___H__
#define __OPENSPACE_MODULE_BASE___RENDERABLEINTERPOLATEDPOINTS___H__
#include <modules/base/rendering/pointcloud/renderablepointcloud.h>
#include <openspace/properties/scalar/boolproperty.h>
#include <openspace/properties/scalar/floatproperty.h>
#include <openspace/properties/scalar/uintproperty.h>
#include <openspace/properties/triggerproperty.h>
namespace ghoul::opengl { class Texture; }
namespace openspace {
namespace documentation { struct Documentation; }
/**
* A specialization of the RenderablePointCloud that supports interpolation beetween
* different positions for the points.
*/
class RenderableInterpolatedPoints : public RenderablePointCloud {
public:
explicit RenderableInterpolatedPoints(const ghoul::Dictionary& dictionary);
~RenderableInterpolatedPoints() override = default;
static documentation::Documentation Documentation();
protected:
void initializeShadersAndGlExtras() override;
void deinitializeShaders() override;
void bindDataForPointRendering() override;
void preUpdate() override;
int nAttributesPerPoint() const override;
/**
* Create the data slice to use for rendering the points. Compared to the regular
* point cloud, the data slice for an interpolated set of points will have to be
* recreated when the interpolation value changes, and will only include a subset of
* the points in the entire dataset
*
* \return The dataslice to use for rendering the points
*/
std::vector<float> createDataSlice() override;
void initializeBufferData();
void updateBufferData() override;
private:
bool isAtKnot() const;
float computeCurrentLowerValue() const;
struct Interpolation : public properties::PropertyOwner {
Interpolation();
properties::FloatProperty value;
properties::UIntProperty nSteps;
properties::TriggerProperty goToNextStep;
properties::TriggerProperty goToPrevStep;
properties::TriggerProperty interpolateToNextStep;
properties::TriggerProperty interpolateToPrevStep;
properties::TriggerProperty interpolateToEnd;
properties::TriggerProperty interpolateToStart;
properties::FloatProperty speed;
properties::BoolProperty useSpline;
};
Interpolation _interpolation;
float _prevInterpolationValue = 0.f;
bool _shouldReinitializeBufferdata = false;
};
} // namespace openspace
#endif // __OPENSPACE_MODULE_BASE___RENDERABLEINTERPOLATEDPOINTS___H__