RAY/RAY_DemoVolumeSphere.h

/*
 * Copyright (c) 2024
 *      Side Effects Software Inc.  All rights reserved.
 *
 * Redistribution and use of Houdini Development Kit samples in source and
 * binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. The name of Side Effects Software may not be used to endorse or
 *    promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 * NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 *
 *----------------------------------------------------------------------------
 * This is a sample procedural DSO to generate a volumetric sphere centered
 * at the origin, with a radius of 1.
 */

#ifndef __RAY_DemoVolumeSphere__
#define __RAY_DemoVolumeSphere__

#include <UT/UT_BoundingBox.h>
#include <RAY/RAY_Procedural.h>

namespace HDK_Sample {

/// Example of a custom volume primitive
class RAY_DemoVolumeSphere : public RAY_Procedural
{
public:
             RAY_DemoVolumeSphere();
            ~RAY_DemoVolumeSphere() override;

    const char          *className() const override
                            { return "RAY_DemoVolumeSphere"; }

    /// For volume primitives, return true.
    virtual bool         hasVolume()    { return true; }

    int                  initialize(const UT_BoundingBox *box) override;
    void                 getBoundingBox(UT_BoundingBox &box) override;
    void                 render() override;

private:
    UT_BoundingBox       myBox;
};

}       // End HDK_Sample namespace

#endif