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RAY/RAY_DemoBox.C
/*
* Copyright (c) 2018
* 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
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*----------------------------------------------------------------------------
* This is a sample procedural DSO
*/
#include <GU/GU_Detail.h>
#include "RAY_DemoBox.h"
using namespace HDK_Sample;
static RAY_ProceduralArg theArgs[] = {
// Default minimum bound is {-1,-1,-1}
RAY_ProceduralArg("minbound", "real", "-1 -1 -1"),
// Default maximum bound is {1,1,1}
RAY_ProceduralArg("maxbound", "real", "1 1 1"),
};
{
public:
: RAY_ProceduralFactory::ProcDefinition("demobox")
{
}
virtual RAY_Procedural *create() const { return new RAY_DemoBox(); }
virtual RAY_ProceduralArg *arguments() const { return theArgs; }
};
void
{
factory->insert(new ProcDef);
}
{
myBox.initBounds(0, 0, 0);
}
{
}
const char *
{
return "RAY_DemoBox";
}
int
{
fpreal val[3];
// Import the minbound parameter. This will pick up parameters passed on
// the procedural line in the IFD, or the default value from the
// RAY_ProceduralArg.
val[0] = val[1] = val[2] = -1;
import("minbound", val, 3);
myBox.initBounds(val[0], val[1], val[2]);
val[0] = val[1] = val[2] = 1;
import("maxbound", val, 3);
myBox.enlargeBounds(val[0], val[1], val[2]);
// The bounding box has been initialized. The geometry generated must like
// within the bounds.
return 1;
}
void
{
// Return the bounding box of the geometry
box = myBox;
}
void
{
/// Allocate geometry.
/// NOTE: Do not simply construct a GU_Detail.
/// @see RAY_Procedural::createGeometry().
/// Call the GU_Detail::cube() method to create a cube
geo->cube(myBox.vals[0][0], myBox.vals[0][1],
myBox.vals[1][0], myBox.vals[1][1],
myBox.vals[2][0], myBox.vals[2][1]);
// Create a geometry object in mantra
obj->addGeometry(geo);
// Change the surface shader setting
obj->changeSetting("surface", "constant Cd ( 1 0 0 )", "object");
}