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RAY_DemoVolumeSphere.h
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1 /*
2  * Copyright (c) 2024
3  * Side Effects Software Inc. All rights reserved.
4  *
5  * Redistribution and use of Houdini Development Kit samples in source and
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7  * following conditions are met:
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * 2. The name of Side Effects Software may not be used to endorse or
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15  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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24  *
25  *----------------------------------------------------------------------------
26  * This is a sample procedural DSO to generate a volumetric sphere centered
27  * at the origin, with a radius of 1.
28  */
29 
30 #ifndef __RAY_DemoVolumeSphere__
31 #define __RAY_DemoVolumeSphere__
32 
33 #include <UT/UT_BoundingBox.h>
34 #include <RAY/RAY_Procedural.h>
35 
36 namespace HDK_Sample {
37 
38 /// Example of a custom volume primitive
40 {
41 public:
43  ~RAY_DemoVolumeSphere() override;
44 
45  const char *className() const override
46  { return "RAY_DemoVolumeSphere"; }
47 
48  /// For volume primitives, return true.
49  virtual bool hasVolume() { return true; }
50 
51  int initialize(const UT_BoundingBox *box) override;
52  void getBoundingBox(UT_BoundingBox &box) override;
53  void render() override;
54 
55 private:
56  UT_BoundingBox myBox;
57 };
58 
59 } // End HDK_Sample namespace
60 
61 #endif
const char * className() const override
Procedural primitive for mantra (RAY)
void getBoundingBox(UT_BoundingBox &box) override
The bounding box is the "object space" bounds of the procedural.
int initialize(const UT_BoundingBox *box) override
virtual bool hasVolume()
For volume primitives, return true.
Example of a custom volume primitive.