99 lines
5.2 KiB
C++
99 lines
5.2 KiB
C++
/**************************************************************************************/
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/* */
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/* Visualization Library */
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/* http://visualizationlibrary.org */
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/* */
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/* Copyright (c) 2005-2020, Michele Bosi */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or without modification, */
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/* are permitted provided that the following conditions are met: */
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/* */
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/* - Redistributions of source code must retain the above copyright notice, this */
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/* list of conditions and the following disclaimer. */
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/* */
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/* - Redistributions in binary form must reproduce the above copyright notice, this */
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/* list of conditions and the following disclaimer in the documentation and/or */
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/* other materials provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */
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/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */
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/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */
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/* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
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/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
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/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
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/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/**************************************************************************************/
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#include <vlVolume/link_config.hpp>
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#include <vlGraphics/Geometry.hpp>
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#include <vlGraphics/Actor.hpp>
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#ifndef RaycastVolume_INCLUDE_ONCE
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#define RaycastVolume_INCLUDE_ONCE
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namespace vl
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{
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class VLVOLUME_EXPORT RaycastVolume: public ActorEventCallback
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{
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VL_INSTRUMENT_CLASS(vl::RaycastVolume, ActorEventCallback)
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public:
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RaycastVolume();
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void onActorRenderStarted( Actor* actor, real frame_clock, const Camera* cam, Renderable* renderable, const Shader* shader, int pass );
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void onActorDelete( Actor* ) {}
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/** Binds a RaycastVolume to an Actor. */
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void bindActor( Actor* );
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/** Updates the uniforms used by the GLSLProgram to render the volume each time the onActorRenderStarted() method is called. */
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virtual void updateUniforms( Actor* actor, real clock, const Camera* camera, Renderable* rend, const Shader* shader );
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/** Returns the Geometry associated to a RaycastVolume and its bound Actor. */
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Geometry* geometry() { return mGeometry.get(); }
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/** Returns the Geometry associated to a RaycastVolume and its bound Actor. */
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const Geometry* geometry() const { return mGeometry.get(); }
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/** Defines the dimensions of the box in model coordinates enclosing the volume and generates the actual geometry of the box to be rendered. */
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void setBox( const AABB& box );
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/** The dimensions of the box enclosing the volume. */
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const AABB& box() const { return mBox; }
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/** Returns the coordinates assigned to each of the 8 box corners of the volume. */
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const fvec3* vertCoords() const { return mVertCoord->begin(); }
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/** Returns the coordinates assigned to each of the 8 box corners of the volume. */
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fvec3* vertCoords() { return mVertCoord->begin(); }
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/** Returns the texture coordinates assigned to each of the 8 box corners of the volume. */
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const fvec3* texCoords() const { return mTexCoord->begin(); }
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/** Returns the texture coordinates assigned to each of the 8 box corners of the volume. */
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fvec3* texCoords() { return mTexCoord->begin(); }
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/** Generates a default set of texture coordinates for the 8 box corners of the volume based on the given texture dimensions.
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\param img_size Size in texels of the volume texture. */
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void generateTextureCoordinates( const ivec3& img_size );
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const std::vector< ref<Light> >& lights() const { return mLights; }
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std::vector< ref<Light> >& lights() { return mLights; }
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protected:
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ref<Geometry> mGeometry;
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AABB mBox;
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ref<ArrayFloat3> mTexCoord;
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ref<ArrayFloat3> mVertCoord;
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std::vector< ref<Light> > mLights;
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};
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}
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#endif
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