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wireframe.cpp
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wireframe.cpp
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/***************************************************************************
* Copyright 1998-2020 by authors (see AUTHORS.txt) *
* *
* This file is part of LuxCoreRender. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.*
* See the License for the specific language governing permissions and *
* limitations under the License. *
***************************************************************************/
#include "slg/textures/wireframe.h"
using namespace std;
using namespace luxrays;
using namespace slg;
//------------------------------------------------------------------------------
// WireFrame texture
//------------------------------------------------------------------------------
bool WireFrameTexture::Evaluate(const HitPoint &hitPoint) const {
const ExtMesh *mesh = hitPoint.mesh;
if (!mesh)
return false;
const Triangle &tri = mesh->GetTriangles()[hitPoint.triangleIndex];
const Point v0 = mesh->GetVertex(hitPoint.localToWorld, tri.v[0]);
const Point v1 = mesh->GetVertex(hitPoint.localToWorld, tri.v[1]);
const Point v2 = mesh->GetVertex(hitPoint.localToWorld, tri.v[2]);
const float e0 = (v1 - v0).Length();
const float e1 = (v2 - v1).Length();
const float e2 = (v0 - v2).Length();
const float b0 = (hitPoint.p - v0).Length();
const float b1 = (hitPoint.p - v1).Length();
const float b2 = (hitPoint.p - v2).Length();
const float dist0 = Triangle::GetHeight(e0, b1, b0);
if ((dist0 < width) && (!mesh->HasTriAOV(0) || (mesh->GetTriAOV(hitPoint.triangleIndex, 0) != 0.f)))
return true;
const float dist1 = Triangle::GetHeight(e1, b2, b1);
if ((dist1 < width) && (!mesh->HasTriAOV(1) || (mesh->GetTriAOV(hitPoint.triangleIndex, 1) != 0.f)))
return true;
const float dist2 = Triangle::GetHeight(e2, b0, b2);
if ((dist2 < width) && (!mesh->HasTriAOV(2) || (mesh->GetTriAOV(hitPoint.triangleIndex, 2) != 0.f)))
return true;
return false;
}
float WireFrameTexture::GetFloatValue(const HitPoint &hitPoint) const {
return Evaluate(hitPoint) ? borderTex->GetFloatValue(hitPoint) :
insideTex->GetFloatValue(hitPoint);
}
Spectrum WireFrameTexture::GetSpectrumValue(const HitPoint &hitPoint) const {
return Evaluate(hitPoint) ? borderTex->GetSpectrumValue(hitPoint) :
insideTex->GetSpectrumValue(hitPoint);
}
Properties WireFrameTexture::ToProperties(const ImageMapCache &imgMapCache, const bool useRealFileName) const {
Properties props;
const string name = GetName();
props.Set(Property("scene.textures." + name + ".type")("wireframe"));
props.Set(Property("scene.textures." + name + ".border")(borderTex->GetSDLValue()));
props.Set(Property("scene.textures." + name + ".inside")(insideTex->GetSDLValue()));
return props;
}