522 lines
16 KiB
C++
522 lines
16 KiB
C++
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1998-2011, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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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
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#include <PyImathFrustum.h>
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#include "PyImathDecorators.h"
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#include "PyImathExport.h"
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#include <Python.h>
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#include <boost/python.hpp>
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#include <boost/format.hpp>
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#include <PyImath.h>
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#include <PyImathMathExc.h>
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#include <PyImathVec.h>
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#include <Iex.h>
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namespace PyImath{
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using namespace boost::python;
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using namespace IMATH_NAMESPACE;
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template <class T> struct FrustumName {static const char *value;};
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template <> const char *FrustumName<float>::value = "Frustumf";
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template <> const char *FrustumName<double>::value = "Frustumd";
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template <class T> struct FrustumTestName {static const char *value;};
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template <> const char *FrustumTestName<float>::value = "FrustumTestf";
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template <> const char *FrustumTestName<double>::value = "FrustumTestd";
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template <class T>
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static std::string Frustum_repr(const Frustum<T> &f)
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{
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std::stringstream stream;
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stream << FrustumName<T>::value << "(" << f.nearPlane() << ", " << f.farPlane() << ", "
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<< f.left() << ", " << f.right() << ", " << f.top() << ", "
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<< f.bottom() << ", " << f.orthographic() << ")";
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return stream.str();
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}
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template <class T>
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static void
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modifyNearAndFar(Frustum<T> &f, T nearPlane, T farPlane)
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{
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MATH_EXC_ON;
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f.modifyNearAndFar (nearPlane, farPlane);
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}
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template <class T>
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static T
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fovx(Frustum<T> &f)
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{
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MATH_EXC_ON;
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return f.fovx();
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}
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template <class T>
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static T
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fovy(Frustum<T> &f)
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{
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MATH_EXC_ON;
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return f.fovy();
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}
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template <class T>
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static T
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aspect(Frustum<T> &f)
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{
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MATH_EXC_ON;
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return f.aspect();
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}
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template <class T>
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static Matrix44<T>
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projectionMatrix(Frustum<T> &f)
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{
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MATH_EXC_ON;
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return f.projectionMatrix();
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}
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template <class T>
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static Frustum<T>
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window (Frustum<T> &f, T l, T r, T b, T t)
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{
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MATH_EXC_ON;
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return f.window(l, r, b, t);
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}
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template <class T>
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static Line3<T>
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projectScreenToRay (Frustum<T> &f, const Vec2<T> &p)
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{
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MATH_EXC_ON;
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return f.projectScreenToRay(p);
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}
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template <class T>
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static Line3<T>
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projectScreenToRayTuple(Frustum<T> &f, const tuple &t)
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{
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MATH_EXC_ON;
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if(t.attr("__len__")() == 2)
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{
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Vec2<T> point;
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point.x = extract<T>(t[0]);
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point.y = extract<T>(t[1]);
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return f.projectScreenToRay(point);
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}
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else
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THROW(IEX_NAMESPACE::LogicExc, "projectScreenToRay expects tuple of length 2");
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}
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template <class T>
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static Vec2<T>
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projectPointToScreen (Frustum<T> &f, const Vec3<T> &p)
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{
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MATH_EXC_ON;
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return f.projectPointToScreen(p);
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}
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template <class T>
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static Vec2<T>
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projectPointToScreenTuple(Frustum<T> &f, const tuple &t)
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{
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MATH_EXC_ON;
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if(t.attr("__len__")() == 3)
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{
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Vec3<T> point;
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point.x = extract<T>(t[0]);
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point.y = extract<T>(t[1]);
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point.z = extract<T>(t[2]);
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return f.projectPointToScreen(point);
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}
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else
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THROW(IEX_NAMESPACE::LogicExc, "projectPointToScreen expects tuple of length 3");
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}
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template <class T>
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static Vec2<T>
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projectPointToScreenObj(Frustum<T> &f, const object &o)
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{
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MATH_EXC_ON;
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Vec3<T> v;
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if (PyImath::V3<T>::convert (o.ptr(), &v))
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return f.projectPointToScreen(v);
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else
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THROW(IEX_NAMESPACE::LogicExc, "projectPointToScreen expects tuple of length 3");
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}
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template <class T>
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static T
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ZToDepth(Frustum<T> &f, long z, long min, long max)
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{
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MATH_EXC_ON;
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return f.ZToDepth(z, min, max);
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}
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template <class T>
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static T
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normalizedZToDepth(Frustum<T> &f, T z)
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{
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MATH_EXC_ON;
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return f.normalizedZToDepth(z);
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}
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template <class T>
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static long
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DepthToZ(Frustum<T> &f, T depth, long min, long max)
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{
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MATH_EXC_ON;
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return f.DepthToZ(depth, min, max);
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}
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template <class T>
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static T
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worldRadius(Frustum<T> &f, const Vec3<T> &p, T radius)
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{
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MATH_EXC_ON;
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return f.worldRadius(p, radius);
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}
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template <class T>
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static T
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worldRadiusTuple(Frustum<T> &f, const tuple &t, T radius)
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{
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MATH_EXC_ON;
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if(t.attr("__len__")() == 3)
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{
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Vec3<T> point;
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point.x = extract<T>(t[0]);
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point.y = extract<T>(t[1]);
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point.z = extract<T>(t[2]);
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return f.worldRadius(point, radius);
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}
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else
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THROW(IEX_NAMESPACE::LogicExc, "worldRadius expects tuple of length 3");
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}
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template <class T>
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static T
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screenRadius(Frustum<T> &f, const Vec3<T> &p, T radius)
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{
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MATH_EXC_ON;
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return f.screenRadius(p, radius);
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}
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template <class T>
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static T
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screenRadiusTuple(Frustum<T> &f, const tuple &t, T radius)
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{
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MATH_EXC_ON;
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if(t.attr("__len__")() == 3)
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{
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Vec3<T> point;
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point.x = extract<T>(t[0]);
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point.y = extract<T>(t[1]);
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point.z = extract<T>(t[2]);
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return f.screenRadius(point, radius);
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}
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else
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THROW(IEX_NAMESPACE::LogicExc, "screenRadius expects tuple of length 3");
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}
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template <class T>
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static void
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planes1(Frustum<T> &f, Plane3<T> *p)
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{
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MATH_EXC_ON;
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f.planes(p);
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}
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template <class T>
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static void
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planes2(Frustum<T> &f, Plane3<T> *p, const Matrix44<T> &m)
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{
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MATH_EXC_ON;
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f.planes(p, m);
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}
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template <class T>
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static tuple
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planes3(Frustum<T> &f, const Matrix44<T> &mat)
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{
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MATH_EXC_ON;
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IMATH_NAMESPACE::Plane3<T> p[6];
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f.planes(p,mat);
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tuple t = make_tuple(p[0],p[1],p[2],p[3],p[4],p[5]);
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return t;
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}
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template <class T>
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static tuple
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planes4(Frustum<T> &f)
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{
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MATH_EXC_ON;
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IMATH_NAMESPACE::Plane3<T> p[6];
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f.planes(p);
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tuple t = make_tuple(p[0],p[1],p[2],p[3],p[4],p[5]);
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return t;
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}
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template <class T>
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class_<Frustum<T> >
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register_Frustum()
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{
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void (IMATH_NAMESPACE::Frustum<T>::*set1)(T,T,T,T,T,T,bool) = &IMATH_NAMESPACE::Frustum<T>::set;
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void (IMATH_NAMESPACE::Frustum<T>::*set2)(T,T,T,T,T) = &IMATH_NAMESPACE::Frustum<T>::set;
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const char *name = FrustumName<T>::value;
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class_< Frustum<T> > frustum_class(name,name,init<Frustum<T> >("copy construction"));
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frustum_class
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.def(init<>("Frustum() default construction"))
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.def(init<T,T,T,T,T,T,bool>("Frustum(nearPlane,farPlane,left,right,top,bottom,ortho) construction"))
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.def(init<T,T,T,T,T>("Frustum(nearPlane,farPlane,fovx,fovy,aspect) construction"))
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.def(self == self)
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.def(self != self)
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.def("__repr__",&Frustum_repr<T>)
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.def("set", set1,
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"F.set(nearPlane, farPlane, left, right, top, bottom, "
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"[ortho])\n"
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"F.set(nearPlane, farPlane, fovx, fovy, aspect) "
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" -- sets the entire state of "
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"frustum F as specified. Only one of "
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"fovx or fovy may be non-zero.")
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.def("set", set2)
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.def("modifyNearAndFar", &modifyNearAndFar<T>,
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"F.modifyNearAndFar(nearPlane, farPlane) -- modifies "
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"the already-valid frustum F as specified")
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.def("setOrthographic", &Frustum<T>::setOrthographic,
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"F.setOrthographic(b) -- modifies the "
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"already-valid frustum F to be orthographic "
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"or not")
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.def("nearPlane", &Frustum<T>::nearPlane,
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"F.nearPlane() -- returns the coordinate of the "
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"near clipping plane of frustum F")
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.def("farPlane", &Frustum<T>::farPlane,
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"F.farPlane() -- returns the coordinate of the "
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"far clipping plane of frustum F")
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// The following two functions provide backwards compatibility
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// with the previous API for this class.
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.def("near", &Frustum<T>::nearPlane,
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"F.near() -- returns the coordinate of the "
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"near clipping plane of frustum F")
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.def("far", &Frustum<T>::farPlane,
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"F.far() -- returns the coordinate of the "
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"far clipping plane of frustum F")
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.def("left", &Frustum<T>::left,
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"F.left() -- returns the left coordinate of "
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"the near clipping window of frustum F")
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.def("right", &Frustum<T>::right,
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"F.right() -- returns the right coordinate of "
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"the near clipping window of frustum F")
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.def("top", &Frustum<T>::top,
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"F.top() -- returns the top coordinate of "
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"the near clipping window of frustum F")
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.def("bottom", &Frustum<T>::bottom,
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"F.bottom() -- returns the bottom coordinate "
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"of the near clipping window of frustum F")
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.def("orthographic", &Frustum<T>::orthographic,
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"F.orthographic() -- returns whether frustum "
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"F is orthographic or not")
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.def("planes", planes1<T>,
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||
|
|
"F.planes([M]) -- returns a sequence of 6 "
|
||
|
|
"Plane3s, the sides of the frustum F "
|
||
|
|
"(top, right, bottom, left, nearPlane, farPlane), "
|
||
|
|
"optionally transformed by the matrix M "
|
||
|
|
"if specified")
|
||
|
|
.def("planes", planes2<T>)
|
||
|
|
.def("planes", planes3<T>)
|
||
|
|
.def("planes", planes4<T>)
|
||
|
|
|
||
|
|
.def("fovx", &fovx<T>,
|
||
|
|
"F.fovx() -- derives and returns the "
|
||
|
|
"x field of view (in radians) for frustum F")
|
||
|
|
|
||
|
|
.def("fovy", &fovy<T>,
|
||
|
|
"F.fovy() -- derives and returns the "
|
||
|
|
"y field of view (in radians) for frustum F")
|
||
|
|
|
||
|
|
.def("aspect", &aspect<T>,
|
||
|
|
"F.aspect() -- derives and returns the "
|
||
|
|
"aspect ratio for frustum F")
|
||
|
|
|
||
|
|
.def("projectionMatrix", &projectionMatrix<T>,
|
||
|
|
"F.projectionMatrix() -- derives and returns "
|
||
|
|
"the projection matrix for frustum F")
|
||
|
|
|
||
|
|
.def("window", &window<T>,
|
||
|
|
"F.window(l,r,b,t) -- takes a rectangle in "
|
||
|
|
"the screen space (i.e., -1 <= l <= r <= 1, "
|
||
|
|
"-1 <= b <= t <= 1) of F and returns a new "
|
||
|
|
"Frustum whose near clipping-plane window "
|
||
|
|
"is that rectangle in local space")
|
||
|
|
|
||
|
|
.def("projectScreenToRay", &projectScreenToRay<T>,
|
||
|
|
"F.projectScreenToRay(V) -- returns a Line3 "
|
||
|
|
"through V, a V2 point in screen space")
|
||
|
|
|
||
|
|
.def("projectScreenToRay", &projectScreenToRayTuple<T>)
|
||
|
|
|
||
|
|
.def("projectPointToScreen", &projectPointToScreen<T>,
|
||
|
|
"F.projectPointToScreen(V) -- returns the "
|
||
|
|
"projection of V3 V into screen space")
|
||
|
|
|
||
|
|
.def("projectPointToScreen", &projectPointToScreenTuple<T>)
|
||
|
|
|
||
|
|
.def("projectPointToScreen", &projectPointToScreenObj<T>)
|
||
|
|
|
||
|
|
.def("ZToDepth", &ZToDepth<T>,
|
||
|
|
"F.ZToDepth(z, zMin, zMax) -- returns the "
|
||
|
|
"depth (Z in the local space of the "
|
||
|
|
"frustum F) corresponding to z (a result of "
|
||
|
|
"transformation by F's projection matrix) "
|
||
|
|
"after normalizing z to be between zMin "
|
||
|
|
"and zMax")
|
||
|
|
|
||
|
|
.def("normalizedZToDepth", &normalizedZToDepth<T>,
|
||
|
|
"F.normalizedZToDepth(z) -- returns the "
|
||
|
|
"depth (Z in the local space of the "
|
||
|
|
"frustum F) corresponding to z (a result of "
|
||
|
|
"transformation by F's projection matrix), "
|
||
|
|
"which is assumed to have been normalized "
|
||
|
|
"to [-1, 1]")
|
||
|
|
|
||
|
|
.def("DepthToZ", &DepthToZ<T>,
|
||
|
|
"F.DepthToZ(depth, zMin, zMax) -- converts "
|
||
|
|
"depth (Z in the local space of the frustum "
|
||
|
|
"F) to z (a result of transformation by F's "
|
||
|
|
"projection matrix) which is normalized to "
|
||
|
|
"[zMin, zMax]")
|
||
|
|
|
||
|
|
.def("worldRadius", &worldRadius<T>,
|
||
|
|
"F.worldRadius(V, r) -- returns the radius "
|
||
|
|
"in F's local space corresponding to the "
|
||
|
|
"point V and radius r in screen space")
|
||
|
|
|
||
|
|
.def("worldRadius", &worldRadiusTuple<T>)
|
||
|
|
|
||
|
|
.def("screenRadius", &screenRadius<T>,
|
||
|
|
"F.screenRadius(V, r) -- returns the radius "
|
||
|
|
"in screen space corresponding to "
|
||
|
|
"the point V and radius r in F's local "
|
||
|
|
"space")
|
||
|
|
|
||
|
|
.def("screenRadius", &screenRadiusTuple<T>)
|
||
|
|
|
||
|
|
;
|
||
|
|
|
||
|
|
decoratecopy(frustum_class);
|
||
|
|
|
||
|
|
return frustum_class;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class T,class T2>
|
||
|
|
struct IsVisibleTask : public Task
|
||
|
|
{
|
||
|
|
const IMATH_NAMESPACE::FrustumTest<T>& frustumTest;
|
||
|
|
const PyImath::FixedArray<T2>& points;
|
||
|
|
PyImath::FixedArray<int>& results;
|
||
|
|
|
||
|
|
IsVisibleTask(const IMATH_NAMESPACE::FrustumTest<T>& ft, const PyImath::FixedArray<T2> &p, PyImath::FixedArray<int> &r)
|
||
|
|
: frustumTest(ft), points(p), results(r) {}
|
||
|
|
|
||
|
|
void execute(size_t start, size_t end)
|
||
|
|
{
|
||
|
|
for(size_t p = start; p < end; ++p)
|
||
|
|
results[p] = frustumTest.isVisible(IMATH_NAMESPACE::Vec3<T>(points[p]));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template <class T,class T2>
|
||
|
|
PyImath::FixedArray<int>
|
||
|
|
frustumTest_isVisible(IMATH_NAMESPACE::FrustumTest<T>& ft, const PyImath::FixedArray<T2>& points)
|
||
|
|
{
|
||
|
|
size_t numPoints = points.len();
|
||
|
|
PyImath::FixedArray<int> mask(numPoints);
|
||
|
|
|
||
|
|
IsVisibleTask<T,T2> task(ft,points,mask);
|
||
|
|
dispatchTask(task,numPoints);
|
||
|
|
return mask;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class T>
|
||
|
|
class_<FrustumTest<T> >
|
||
|
|
register_FrustumTest()
|
||
|
|
{
|
||
|
|
const char *name = FrustumTestName<T>::value;
|
||
|
|
|
||
|
|
bool (FrustumTest<T>::*isVisibleS)(const Sphere3<T> &) const = &FrustumTest<T>::isVisible;
|
||
|
|
bool (FrustumTest<T>::*isVisibleB)(const Box<Vec3<T> > &) const = &FrustumTest<T>::isVisible;
|
||
|
|
bool (FrustumTest<T>::*isVisibleV)(const Vec3<T> &) const = &FrustumTest<T>::isVisible;
|
||
|
|
bool (FrustumTest<T>::*completelyContainsS)(const Sphere3<T> &) const = &FrustumTest<T>::completelyContains;
|
||
|
|
bool (FrustumTest<T>::*completelyContainsB)(const Box<Vec3<T> > &) const = &FrustumTest<T>::completelyContains;
|
||
|
|
|
||
|
|
class_< FrustumTest<T> > frustumtest_class(name,name,init<const IMATH_NAMESPACE::Frustum<T>&,const IMATH_NAMESPACE::Matrix44<T>&>("create a frustum test object from a frustum and transform"));
|
||
|
|
frustumtest_class
|
||
|
|
.def("isVisible",isVisibleS)
|
||
|
|
.def("isVisible",isVisibleB)
|
||
|
|
.def("isVisible",isVisibleV)
|
||
|
|
.def("isVisible",&frustumTest_isVisible<T,IMATH_NAMESPACE::V3f>)
|
||
|
|
.def("completelyContains",completelyContainsS)
|
||
|
|
.def("completelyContains",completelyContainsB)
|
||
|
|
;
|
||
|
|
|
||
|
|
decoratecopy(frustumtest_class);
|
||
|
|
|
||
|
|
return frustumtest_class;
|
||
|
|
}
|
||
|
|
|
||
|
|
template PYIMATH_EXPORT class_<Frustum<float> > register_Frustum<float>();
|
||
|
|
template PYIMATH_EXPORT class_<Frustum<double> > register_Frustum<double>();
|
||
|
|
template PYIMATH_EXPORT class_<FrustumTest<float> > register_FrustumTest<float>();
|
||
|
|
template PYIMATH_EXPORT class_<FrustumTest<double> > register_FrustumTest<double>();
|
||
|
|
}
|