diff options
| author | bgaldrikian <[email protected]> | 2018-10-03 17:51:20 -0700 |
|---|---|---|
| committer | bgaldrikian <[email protected]> | 2018-10-03 17:51:20 -0700 |
| commit | 6f51c0ad55f3ed33597b8b12391d426fe28a0923 (patch) | |
| tree | b132a8cb2485820ff9556dafc8e874bc9d41f255 /sdk/extensions/authoring/source/NvBlastExtAuthoringMeshImpl.cpp | |
| parent | Fixes to UnitySample to make it build & run. ( In Unity 2018.2 ) (diff) | |
| download | blast-1.1.4_rc1.tar.xz blast-1.1.4_rc1.zip | |
Blast 1.1.4. See docs/release_notes.txt.v1.1.4_rc1
Diffstat (limited to 'sdk/extensions/authoring/source/NvBlastExtAuthoringMeshImpl.cpp')
| -rwxr-xr-x | sdk/extensions/authoring/source/NvBlastExtAuthoringMeshImpl.cpp | 1139 |
1 files changed, 0 insertions, 1139 deletions
diff --git a/sdk/extensions/authoring/source/NvBlastExtAuthoringMeshImpl.cpp b/sdk/extensions/authoring/source/NvBlastExtAuthoringMeshImpl.cpp deleted file mode 100755 index 5f5c57c..0000000 --- a/sdk/extensions/authoring/source/NvBlastExtAuthoringMeshImpl.cpp +++ /dev/null @@ -1,1139 +0,0 @@ -// This code contains NVIDIA Confidential Information and is disclosed to you
-// under a form of NVIDIA software license agreement provided separately to you.
-//
-// Notice
-// NVIDIA Corporation and its licensors retain all intellectual property and
-// proprietary rights in and to this software and related documentation and
-// any modifications thereto. Any use, reproduction, disclosure, or
-// distribution of this software and related documentation without an express
-// license agreement from NVIDIA Corporation is strictly prohibited.
-//
-// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
-// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
-// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
-// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
-//
-// Information and code furnished is believed to be accurate and reliable.
-// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
-// information or for any infringement of patents or other rights of third parties that may
-// result from its use. No license is granted by implication or otherwise under any patent
-// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
-// This code supersedes and replaces all information previously supplied.
-// NVIDIA Corporation products are not authorized for use as critical
-// components in life support devices or systems without express written approval of
-// NVIDIA Corporation.
-//
-// Copyright (c) 2016-2018 NVIDIA Corporation. All rights reserved.
-
-#define _CRT_SECURE_NO_WARNINGS
-
-#include "NvBlastExtAuthoringMeshImpl.h"
-#include "NvBlastExtAuthoringTypes.h"
-#include "NvBlastExtAuthoringPerlinNoise.h"
-#include <NvBlastAssert.h>
-#include "PxMath.h"
-#include <cmath>
-#include <string.h>
-#include <vector>
-#include <algorithm>
-
-using physx::PxVec2;
-using physx::PxVec3;
-using physx::PxBounds3;
-
-#define UV_SCALE 1.f
-
-#define CYLINDER_UV_SCALE (UV_SCALE * 1.732)
-
-namespace Nv
-{
-namespace Blast
-{
-
-MeshImpl::MeshImpl(const PxVec3* position, const PxVec3* normals, const PxVec2* uv, uint32_t verticesCount, const uint32_t* indices, uint32_t indicesCount)
-{
-
- mVertices.resize(verticesCount);
- for (uint32_t i = 0; i < mVertices.size(); ++i)
- {
- mVertices[i].p = position[i];
- }
- if (normals != 0)
- {
- for (uint32_t i = 0; i < mVertices.size(); ++i)
- {
- mVertices[i].n = normals[i];
- }
-
- }
- else
- {
- for (uint32_t i = 0; i < mVertices.size(); ++i)
- {
- mVertices[i].n = PxVec3(0, 0, 0);
- }
- }
- if (uv != 0)
- {
- for (uint32_t i = 0; i < mVertices.size(); ++i)
- {
- mVertices[i].uv[0] = uv[i];
- }
- }
- else
- {
- for (uint32_t i = 0; i < mVertices.size(); ++i)
- {
- mVertices[i].uv[0] = PxVec2(0, 0);
- }
- }
- mEdges.resize(indicesCount);
- mFacets.resize(indicesCount / 3);
- mBounds.setEmpty();
- for (uint32_t i = 0; i < verticesCount; ++i)
- {
- mBounds.include(mVertices[i].p);
- }
- int32_t facetId = 0;
- for (uint32_t i = 0; i < indicesCount; i += 3)
- {
- mEdges[i].s = indices[i];
- mEdges[i].e = indices[i + 1];
-
- mEdges[i + 1].s = indices[i + 1];
- mEdges[i + 1].e = indices[i + 2];
-
- mEdges[i + 2].s = indices[i + 2];
- mEdges[i + 2].e = indices[i];
- mFacets[facetId].firstEdgeNumber = i;
- mFacets[facetId].edgesCount = 3;
- mFacets[facetId].materialId = 0;
- //Unassigned for now
- mFacets[facetId].smoothingGroup = -1;
- facetId++;
- }
-}
-
-MeshImpl::MeshImpl(const Vertex* vertices, const Edge* edges, const Facet* facets, uint32_t posCount, uint32_t edgesCount, uint32_t facetsCount)
-{
- mVertices.resize(posCount);
- mEdges.resize(edgesCount);
- mFacets.resize(facetsCount);
-
- memcpy(mVertices.data(), vertices, sizeof(Vertex) * posCount);
- memcpy(mEdges.data(), edges, sizeof(Edge) * edgesCount);
- memcpy(mFacets.data(), facets, sizeof(Facet) * facetsCount);
- mBounds.setEmpty();
- for (uint32_t i = 0; i < posCount; ++i)
- {
- mBounds.include(mVertices[i].p);
- }
-}
-
-float MeshImpl::getMeshVolume()
-{
- /**
- Check if mesh boundary consist only of triangles
- */
- for (uint32_t i = 0; i < mFacets.size(); ++i)
- {
- if (mFacets[i].edgesCount != 3)
- {
- return 0.0f;
- }
- }
-
- float volume = 0;
- for (uint32_t i = 0; i < mFacets.size(); ++i)
- {
- int32_t offset = mFacets[i].firstEdgeNumber;
- PxVec3& a = mVertices[mEdges[offset].s].p;
- PxVec3& b = mVertices[mEdges[offset + 1].s].p;
- PxVec3& c = mVertices[mEdges[offset + 2].s].p;
-
- volume += (a.x * b.y * c.z - a.x * b.z * c.y - a.y * b.x * c.z + a.y * b.z * c.x + a.z * b.x * c.y - a.z * b.y * c.x);
- }
- return (1.0f / 6.0f) * std::abs(volume);
-}
-
-
-uint32_t MeshImpl::getFacetCount() const
-{
- return static_cast<uint32_t>(mFacets.size());
-}
-
-Vertex* MeshImpl::getVerticesWritable()
-{
- return mVertices.data();
-}
-
-Edge* MeshImpl::getEdgesWritable()
-{
- return mEdges.data();
-}
-
-const Vertex* MeshImpl::getVertices() const
-{
- return mVertices.data();
-}
-
-const Edge* MeshImpl::getEdges() const
-{
- return mEdges.data();
-}
-
-uint32_t MeshImpl::getEdgesCount() const
-{
- return static_cast<uint32_t>(mEdges.size());
-}
-uint32_t MeshImpl::getVerticesCount() const
-{
- return static_cast<uint32_t>(mVertices.size());
-}
-Facet* MeshImpl::getFacetsBufferWritable()
-{
- return mFacets.data();
-}
-const Facet* MeshImpl::getFacetsBuffer() const
-{
- return mFacets.data();
-}
-Facet* MeshImpl::getFacetWritable(int32_t facet)
-{
- return &mFacets[facet];
-}
-const Facet* MeshImpl::getFacet(int32_t facet) const
-{
- return &mFacets[facet];
-}
-
-MeshImpl::~MeshImpl()
-{
-}
-
-void MeshImpl::release()
-{
- delete this;
-}
-
-const PxBounds3& MeshImpl::getBoundingBox() const
-{
- return mBounds;
-}
-
-PxBounds3& MeshImpl::getBoundingBoxWritable()
-{
- return mBounds;
-}
-
-void MeshImpl::recalculateBoundingBox()
-{
- mBounds.setEmpty();
- for (uint32_t i = 0; i < mVertices.size(); ++i)
- {
- mBounds.include(mVertices[i].p);
- }
-}
-
-
-
-void getTangents(const PxVec3& normal, PxVec3& t1, PxVec3& t2)
-{
-
- if (std::abs(normal.z) < 0.9)
- {
- t1 = normal.cross(PxVec3(0, 0, 1));
- }
- else
- {
- t1 = normal.cross(PxVec3(1, 0, 0));
- }
- t2 = t1.cross(normal);
-}
-
-Mesh* getCuttingBox(const PxVec3& point, const PxVec3& normal, float size, int64_t id, int32_t interiorMaterialId)
-{
- PxVec3 lNormal = normal.getNormalized();
- PxVec3 t1, t2;
- getTangents(lNormal, t1, t2);
-
- std::vector<Vertex> positions(8);
- positions[0].p = point + (t1 + t2) * size;
- positions[1].p = point + (t2 - t1) * size;
-
- positions[2].p = point + (-t1 - t2) * size;
- positions[3].p = point + (t1 - t2) * size;
-
-
- positions[4].p = point + (t1 + t2 + lNormal) * size;
- positions[5].p = point + (t2 - t1 + lNormal) * size;
-
- positions[6].p = point + (-t1 - t2 + lNormal) * size;
- positions[7].p = point + (t1 - t2 + lNormal) * size;
-
- positions[0].n = -lNormal;
- positions[1].n = -lNormal;
-
- positions[2].n = -lNormal;
- positions[3].n = -lNormal;
-
-
- positions[4].n = -lNormal;
- positions[5].n = -lNormal;
-
- positions[6].n = -lNormal;
- positions[7].n = -lNormal;
-
- positions[0].uv[0] = PxVec2(0, 0);
- positions[1].uv[0] = PxVec2(UV_SCALE, 0);
-
- positions[2].uv[0] = PxVec2(UV_SCALE, UV_SCALE);
- positions[3].uv[0] = PxVec2(0, UV_SCALE);
-
-
- positions[4].uv[0] = PxVec2(0, 0);
- positions[5].uv[0] = PxVec2(UV_SCALE, 0);
-
- positions[6].uv[0] = PxVec2(UV_SCALE, UV_SCALE);
- positions[7].uv[0] = PxVec2(0, UV_SCALE);
-
-
- std::vector<Edge> edges;
- std::vector<Facet> facets;
-
- edges.push_back(Edge(0, 1));
- edges.push_back(Edge(1, 2));
- edges.push_back(Edge(2, 3));
- edges.push_back(Edge(3, 0));
- facets.push_back(Facet(0, 4, interiorMaterialId, id, -1));
-
-
- edges.push_back(Edge(0, 3));
- edges.push_back(Edge(3, 7));
- edges.push_back(Edge(7, 4));
- edges.push_back(Edge(4, 0));
- facets.push_back(Facet(4, 4, interiorMaterialId, id, -1));
-
- edges.push_back(Edge(3, 2));
- edges.push_back(Edge(2, 6));
- edges.push_back(Edge(6, 7));
- edges.push_back(Edge(7, 3));
- facets.push_back(Facet(8, 4, interiorMaterialId, id, -1));
-
- edges.push_back(Edge(5, 6));
- edges.push_back(Edge(6, 2));
- edges.push_back(Edge(2, 1));
- edges.push_back(Edge(1, 5));
- facets.push_back(Facet(12, 4, interiorMaterialId, id, -1));
-
- edges.push_back(Edge(4, 5));
- edges.push_back(Edge(5, 1));
- edges.push_back(Edge(1, 0));
- edges.push_back(Edge(0, 4));
- facets.push_back(Facet(16, 4, interiorMaterialId, id, -1));
-
- edges.push_back(Edge(4, 7));
- edges.push_back(Edge(7, 6));
- edges.push_back(Edge(6, 5));
- edges.push_back(Edge(5, 4));
- facets.push_back(Facet(20, 4, interiorMaterialId, id, -1));
- return new MeshImpl(positions.data(), edges.data(), facets.data(), static_cast<uint32_t>(positions.size()), static_cast<uint32_t>(edges.size()), static_cast<uint32_t>(facets.size()));
-}
-
-void inverseNormalAndIndices(Mesh* mesh)
-{
- for (uint32_t i = 0; i < mesh->getVerticesCount(); ++i)
- {
- mesh->getVerticesWritable()[i].n *= -1.0f;
- }
- for (uint32_t i = 0; i < mesh->getFacetCount(); ++i)
- {
- mesh->getFacetWritable(i)->userData = -mesh->getFacet(i)->userData;
- }
-}
-
-void MeshImpl::setMaterialId(const int32_t* materialId)
-{
- if (materialId != nullptr)
- {
- for (uint32_t i = 0; i < mFacets.size(); ++i)
- {
- mFacets[i].materialId = *materialId;
- ++materialId;
- }
- }
-}
-
-
-void MeshImpl::replaceMaterialId(int32_t oldMaterialId, int32_t newMaterialId)
-{
- for (uint32_t i = 0; i < mFacets.size(); ++i)
- {
- if (mFacets[i].materialId == oldMaterialId)
- {
- mFacets[i].materialId = newMaterialId;
- }
- }
-}
-
-void MeshImpl::setSmoothingGroup(const int32_t* smoothingGroups)
-{
- if (smoothingGroups != nullptr)
- {
- for (uint32_t i = 0; i < mFacets.size(); ++i)
- {
- mFacets[i].smoothingGroup = *smoothingGroups;
- ++smoothingGroups;
- }
- }
-}
-
-
-void setCuttingBox(const PxVec3& point, const PxVec3& normal, Mesh* mesh, float size, int64_t id)
-{
- PxVec3 t1, t2;
- PxVec3 lNormal = normal.getNormalized();
- getTangents(lNormal, t1, t2);
-
- Vertex* positions = mesh->getVerticesWritable();
- positions[0].p = point + (t1 + t2) * size;
- positions[1].p = point + (t2 - t1) * size;
-
- positions[2].p = point + (-t1 - t2) * size;
- positions[3].p = point + (t1 - t2) * size;
-
-
- positions[4].p = point + (t1 + t2 + lNormal) * size;
- positions[5].p = point + (t2 - t1 + lNormal) * size;
-
- positions[6].p = point + (-t1 - t2 + lNormal) * size;
- positions[7].p = point + (t1 - t2 + lNormal) * size;
-
- positions[0].n = -lNormal;
- positions[1].n = -lNormal;
-
- positions[2].n = -lNormal;
- positions[3].n = -lNormal;
-
-
- positions[4].n = -lNormal;
- positions[5].n = -lNormal;
-
- positions[6].n = -lNormal;
- positions[7].n = -lNormal;
-
- for (uint32_t i = 0; i < mesh->getFacetCount(); ++i)
- {
- mesh->getFacetWritable(i)->userData = id;
- }
- mesh->recalculateBoundingBox();
-}
-
-bool MeshImpl::isValid() const
-{
- return mVertices.size() > 0 && mEdges.size() > 0 && mFacets.size() > 0;
-}
-
-struct Stepper
-{
- virtual physx::PxVec3 getStep1(uint32_t w, uint32_t h) const = 0;
- virtual physx::PxVec3 getStep2(uint32_t w) const = 0;
- virtual physx::PxVec3 getStart() const = 0;
- virtual physx::PxVec3 getNormal(uint32_t w, uint32_t h) const = 0;
- virtual bool isStep2ClosedLoop() const
- {
- return false;
- }
- virtual bool isStep2FreeBoundary() const
- {
- return false;
- }
-};
-
-struct PlaneStepper : public Stepper
-{
- PlaneStepper(const physx::PxVec3& normal, const physx::PxVec3& point, float sizeX, float sizeY, uint32_t resolutionX, uint32_t resolutionY, bool swapTangents = false)
- {
- PxVec3 t1, t2;
- lNormal = normal.getNormalized();
- getTangents(lNormal, t1, t2);
- if (swapTangents)
- {
- std::swap(t1, t2);
- }
- t11d = -t1 * 2.0f * sizeX / resolutionX;
- t12d = -t2 * 2.0f * sizeY / resolutionY;
- t21d = t11d;
- t22d = t12d;
- cPos = point + (t1 * sizeX + t2 * sizeY);
- resY = resolutionY;
- }
- //Define face by 4 corner points, points should lay in plane
- PlaneStepper(const physx::PxVec3& p11, const physx::PxVec3& p12, const physx::PxVec3& p21, const physx::PxVec3& p22,
- uint32_t resolutionX, uint32_t resolutionY)
- {
- lNormal = -(p21 - p11).cross(p12 - p11).getNormalized();
- if (lNormal.magnitude() < 1e-5)
- {
- lNormal = (p21 - p22).cross(p12 - p22).getNormalized();
- }
- t11d = (p11 - p21) / resolutionX;
- t12d = (p12 - p11) / resolutionY;
- t21d = (p12 - p22) / resolutionX;
- t22d = (p22 - p21) / resolutionY;
- cPos = p21;
- resY = resolutionY;
- }
- physx::PxVec3 getStep1(uint32_t y, uint32_t) const
- {
- return (t11d * (resY - y) + t21d * y) / resY;
- }
- physx::PxVec3 getStep2(uint32_t) const
- {
- return t22d;
- }
- physx::PxVec3 getStart() const
- {
- return cPos;
- }
- physx::PxVec3 getNormal(uint32_t, uint32_t) const
- {
- return lNormal;
- }
-
- PxVec3 t11d, t12d, t21d, t22d, cPos, lNormal;
- uint32_t resY;
-};
-
-void fillEdgesAndFaces(std::vector<Edge>& edges, std::vector<Facet>& facets,
- uint32_t h, uint32_t w, uint32_t firstVertex, uint32_t verticesCount, int64_t id, int32_t interiorMaterialId, int32_t smoothingGroup = -1, bool reflected = false)
-{
- for (uint32_t i = 0; i < w; ++i)
- {
- for (uint32_t j = 0; j < h; ++j)
- {
- uint32_t start = edges.size();
- uint32_t idx00 = i * (h + 1) + j + firstVertex;
- uint32_t idx01 = idx00 + 1;
- uint32_t idx10 = (idx00 + h + 1) % verticesCount;
- uint32_t idx11 = (idx01 + h + 1) % verticesCount;
- if (reflected)
- {
- edges.push_back(Edge(idx01, idx11));
- edges.push_back(Edge(idx11, idx10));
- edges.push_back(Edge(idx10, idx01));
- facets.push_back(Facet(start, 3, interiorMaterialId, id, smoothingGroup));
-
- start = edges.size();
- edges.push_back(Edge(idx01, idx10));
- edges.push_back(Edge(idx10, idx00));
- edges.push_back(Edge(idx00, idx01));
- facets.push_back(Facet(start, 3, interiorMaterialId, id, smoothingGroup));
- }
- else
- {
- edges.push_back(Edge(idx00, idx01));
- edges.push_back(Edge(idx01, idx11));
- edges.push_back(Edge(idx11, idx00));
- facets.push_back(Facet(start, 3, interiorMaterialId, id, smoothingGroup));
-
- start = edges.size();
- edges.push_back(Edge(idx00, idx11));
- edges.push_back(Edge(idx11, idx10));
- edges.push_back(Edge(idx10, idx00));
- facets.push_back(Facet(start, 3, interiorMaterialId, id, smoothingGroup));
- }
- }
- }
-}
-
-void getNoisyFace(std::vector<Vertex>& vertices, std::vector<Edge>& edges, std::vector<Facet>& facets,
- uint32_t h, uint32_t w, const physx::PxVec2& uvOffset, const physx::PxVec2& uvScale,
- const Stepper& stepper, SimplexNoise& nEval, int64_t id, int32_t interiorMaterialId, bool randomizeLast = false)
-{
- uint32_t randIdx = randomizeLast ? 1 : 0;
- PxVec3 cPosit = stepper.getStart();
- uint32_t firstVertex = vertices.size();
- for (uint32_t i = 0; i < w + 1; ++i)
- {
- PxVec3 lcPosit = cPosit;
- for (uint32_t j = 0; j < h + 1; ++j)
- {
- vertices.push_back(Vertex());
- vertices.back().p = lcPosit;
- vertices.back().uv[0] = uvOffset + uvScale.multiply(physx::PxVec2(j, i));
- lcPosit += stepper.getStep1(i, j);
- }
- cPosit += stepper.getStep2(i);
- }
-
- for (uint32_t i = 1 - randIdx; i < w + randIdx; ++i)
- {
- for (uint32_t j = 1; j < h; ++j)
- {
- //TODO limit max displacement for cylinder
- PxVec3& pnt = vertices[i * (h + 1) + j + firstVertex].p;
- pnt += stepper.getNormal(i, j) * nEval.sample(pnt);
- }
- }
-
- fillEdgesAndFaces(edges, facets, h, w, firstVertex, vertices.size(), id, interiorMaterialId);
-}
-
-PX_INLINE uint32_t unsignedMod(int32_t n, uint32_t modulus)
-{
- const int32_t d = n / (int32_t)modulus;
- const int32_t m = n - d*(int32_t)modulus;
- return m >= 0 ? (uint32_t)m : (uint32_t)m + modulus;
-}
-
-void calculateNormals(std::vector<Vertex>& vertices, uint32_t h, uint32_t w, bool inverseNormals = false)
-{
- for (uint32_t i = 1; i < w; ++i)
- {
- for (uint32_t j = 1; j < h; ++j)
- {
- int32_t idx = i * (h + 1) + j;
- PxVec3 v1 = vertices[idx + h + 1].p - vertices[idx].p;
- PxVec3 v2 = vertices[idx + 1].p - vertices[idx].p;
- PxVec3 v3 = vertices[idx - (h + 1)].p - vertices[idx].p;
- PxVec3 v4 = vertices[idx - 1].p - vertices[idx].p;
-
- vertices[idx].n = v1.cross(v2) + v2.cross(v3) + v3.cross(v4) + v4.cross(v1);
- if (inverseNormals)
- {
- vertices[idx].n = -vertices[idx].n;
- }
- vertices[idx].n.normalize();
- }
- }
-}
-
-Mesh* getNoisyCuttingBoxPair(const physx::PxVec3& point, const physx::PxVec3& normal, float size, float jaggedPlaneSize, physx::PxVec3 resolution, int64_t id, float amplitude, float frequency, int32_t octaves, int32_t seed, int32_t interiorMaterialId)
-{
- PxVec3 t1, t2;
- PxVec3 lNormal = normal.getNormalized();
- getTangents(lNormal, t1, t2);
- float sz = 2.f * jaggedPlaneSize;
- uint32_t resolutionX = std::max(1u, (uint32_t)std::roundf(sz * std::abs(t1.x) * resolution.x + sz * std::abs(t1.y) * resolution.y + sz * std::abs(t1.z) * resolution.z));
- uint32_t resolutionY = std::max(1u, (uint32_t)std::roundf(sz * std::abs(t2.x) * resolution.x + sz * std::abs(t2.y) * resolution.y + sz * std::abs(t2.z) * resolution.z));
-
- PlaneStepper stepper(normal, point, jaggedPlaneSize, jaggedPlaneSize, resolutionX, resolutionY);
- SimplexNoise nEval(amplitude, frequency, octaves, seed);
-
- std::vector<Vertex> vertices; vertices.reserve((resolutionX + 1) * (resolutionY + 1) + 12);
- std::vector<Edge> edges;
- std::vector<Facet> facets;
- getNoisyFace(vertices, edges, facets, resolutionX, resolutionY, physx::PxVec2(0.f), physx::PxVec2(UV_SCALE / resolutionX, UV_SCALE / resolutionY),
- stepper, nEval, id, interiorMaterialId);
- calculateNormals(vertices, resolutionX, resolutionY);
-
- uint32_t offset = (resolutionX + 1) * (resolutionY + 1);
- vertices.resize(offset + 12);
-
- vertices[0 + offset].p = point + (t1 + t2) * size;
- vertices[1 + offset].p = point + (t2 - t1) * size;
-
- vertices[2 + offset].p = point + (-t1 - t2) * size;
- vertices[3 + offset].p = point + (t1 - t2) * size;
-
- vertices[8 + offset].p = point + (t1 + t2) * jaggedPlaneSize;
- vertices[9 + offset].p = point + (t2 - t1) * jaggedPlaneSize;
-
- vertices[10 + offset].p = point + (-t1 - t2) * jaggedPlaneSize;
- vertices[11 + offset].p = point + (t1 - t2) * jaggedPlaneSize;
-
- vertices[4 + offset].p = point + (t1 + t2 + lNormal) * size;
- vertices[5 + offset].p = point + (t2 - t1 + lNormal) * size;
-
- vertices[6 + offset].p = point + (-t1 - t2 + lNormal) * size;
- vertices[7 + offset].p = point + (t1 - t2 + lNormal) * size;
-
- int32_t edgeOffset = edges.size();
- edges.push_back(Edge(0 + offset, 1 + offset));
- edges.push_back(Edge(1 + offset, 2 + offset));
- edges.push_back(Edge(2 + offset, 3 + offset));
- edges.push_back(Edge(3 + offset, 0 + offset));
-
- edges.push_back(Edge(11 + offset, 10 + offset));
- edges.push_back(Edge(10 + offset, 9 + offset));
- edges.push_back(Edge(9 + offset, 8 + offset));
- edges.push_back(Edge(8 + offset, 11 + offset));
-
- facets.push_back(Facet(edgeOffset, 8, interiorMaterialId, id, -1));
-
- edges.push_back(Edge(0 + offset, 3 + offset));
- edges.push_back(Edge(3 + offset, 7 + offset));
- edges.push_back(Edge(7 + offset, 4 + offset));
- edges.push_back(Edge(4 + offset, 0 + offset));
- facets.push_back(Facet(8 + edgeOffset, 4, interiorMaterialId, id, -1));
-
- edges.push_back(Edge(3 + offset, 2 + offset));
- edges.push_back(Edge(2 + offset, 6 + offset));
- edges.push_back(Edge(6 + offset, 7 + offset));
- edges.push_back(Edge(7 + offset, 3 + offset));
- facets.push_back(Facet(12 + edgeOffset, 4, interiorMaterialId, id, -1));
-
- edges.push_back(Edge(5 + offset, 6 + offset));
- edges.push_back(Edge(6 + offset, 2 + offset));
- edges.push_back(Edge(2 + offset, 1 + offset));
- edges.push_back(Edge(1 + offset, 5 + offset));
- facets.push_back(Facet(16 + edgeOffset, 4, interiorMaterialId, id, -1));
-
- edges.push_back(Edge(4 + offset, 5 + offset));
- edges.push_back(Edge(5 + offset, 1 + offset));
- edges.push_back(Edge(1 + offset, 0 + offset));
- edges.push_back(Edge(0 + offset, 4 + offset));
- facets.push_back(Facet(20 + edgeOffset, 4, interiorMaterialId, id, -1));
-
- edges.push_back(Edge(4 + offset, 7 + offset));
- edges.push_back(Edge(7 + offset, 6 + offset));
- edges.push_back(Edge(6 + offset, 5 + offset));
- edges.push_back(Edge(5 + offset, 4 + offset));
- facets.push_back(Facet(24 + edgeOffset, 4, interiorMaterialId, id, -1));
-
- //
- return new MeshImpl(vertices.data(), edges.data(), facets.data(), vertices.size(), edges.size(), facets.size());
-}
-
-Mesh* getBigBox(const PxVec3& point, float size, int32_t interiorMaterialId)
-{
- PxVec3 normal(0, 0, 1);
- normal.normalize();
- PxVec3 t1, t2;
- getTangents(normal, t1, t2);
-
- std::vector<Vertex> positions(8);
- positions[0].p = point + (t1 + t2 - normal) * size;
- positions[1].p = point + (t2 - t1 - normal) * size;
-
- positions[2].p = point + (-t1 - t2 - normal) * size;
- positions[3].p = point + (t1 - t2 - normal) * size;
-
-
- positions[4].p = point + (t1 + t2 + normal) * size;
- positions[5].p = point + (t2 - t1 + normal) * size;
-
- positions[6].p = point + (-t1 - t2 + normal) * size;
- positions[7].p = point + (t1 - t2 + normal) * size;
-
- positions[0].uv[0] = PxVec2(0, 0);
- positions[1].uv[0] = PxVec2(UV_SCALE, 0);
-
- positions[2].uv[0] = PxVec2(UV_SCALE, UV_SCALE);
- positions[3].uv[0] = PxVec2(0, UV_SCALE);
-
-
- positions[4].uv[0] = PxVec2(0, 0);
- positions[5].uv[0] = PxVec2(UV_SCALE, 0);
-
- positions[6].uv[0] = PxVec2(UV_SCALE, UV_SCALE);
- positions[7].uv[0] = PxVec2(0, UV_SCALE);
-
-
- std::vector<Edge> edges;
- std::vector<Facet> facets;
-
- edges.push_back(Edge(0, 1));
- edges.push_back(Edge(1, 2));
- edges.push_back(Edge(2, 3));
- edges.push_back(Edge(3, 0));
- facets.push_back(Facet(0, 4, interiorMaterialId, 0, -1));
-
-
- edges.push_back(Edge(0, 3));
- edges.push_back(Edge(3, 7));
- edges.push_back(Edge(7, 4));
- edges.push_back(Edge(4, 0));
- facets.push_back(Facet(4, 4, interiorMaterialId, 0, -1));
-
- edges.push_back(Edge(3, 2));
- edges.push_back(Edge(2, 6));
- edges.push_back(Edge(6, 7));
- edges.push_back(Edge(7, 3));
- facets.push_back(Facet(8, 4, interiorMaterialId, 0, -1));
-
- edges.push_back(Edge(5, 6));
- edges.push_back(Edge(6, 2));
- edges.push_back(Edge(2, 1));
- edges.push_back(Edge(1, 5));
- facets.push_back(Facet(12, 4, interiorMaterialId, 0, -1));
-
- edges.push_back(Edge(4, 5));
- edges.push_back(Edge(5, 1));
- edges.push_back(Edge(1, 0));
- edges.push_back(Edge(0, 4));
- facets.push_back(Facet(16, 4, interiorMaterialId, 0, -1));
-
- edges.push_back(Edge(4, 7));
- edges.push_back(Edge(7, 6));
- edges.push_back(Edge(6, 5));
- edges.push_back(Edge(5, 4));
- facets.push_back(Facet(20, 4, interiorMaterialId, 0, -1));
- for (int i = 0; i < 8; ++i)
- positions[i].n = PxVec3(0, 0, 0);
- return new MeshImpl(positions.data(), edges.data(), facets.data(), static_cast<uint32_t>(positions.size()), static_cast<uint32_t>(edges.size()), static_cast<uint32_t>(facets.size()));
-}
-
-bool CmpSharedFace::operator()(const std::pair<physx::PxVec3, physx::PxVec3>& pv1, const std::pair<physx::PxVec3, physx::PxVec3>& pv2) const
-{
- CmpVec vc;
- if ((pv1.first -pv2.first).magnitude() < 1e-5)
- {
- return vc(pv1.second, pv2.second);
- }
- return vc(pv1.first, pv2.first);
-}
-
-#define INDEXER_OFFSET (1ll << 32)
-
-void buildCuttingConeFaces(const CutoutConfiguration& conf, const std::vector<std::vector<physx::PxVec3>>& cutoutPoints,
- float heightBot, float heightTop, float conicityBot, float conicityTop,
- int64_t& id, int32_t seed, int32_t interiorMaterialId, SharedFacesMap& sharedFacesMap)
-{
- std::map<physx::PxVec3, std::pair<uint32_t, std::vector<physx::PxVec3>>, CmpVec> newCutoutPoints;
- uint32_t resH = (conf.noise.amplitude <= FLT_EPSILON) ? 1 : std::max((uint32_t)std::roundf((heightBot + heightTop) / conf.noise.samplingInterval.z) , 1u);
-
- //generate noisy faces
- SimplexNoise nEval(conf.noise.amplitude, conf.noise.frequency, conf.noise.octaveNumber, seed);
-
- for (uint32_t i = 0; i < cutoutPoints.size(); i++)
- {
- auto& points = cutoutPoints[i];
- uint32_t pointCount = points.size();
- float finalP = 0, currentP = 0;
- for (uint32_t j = 0; j < pointCount; j++)
- {
- finalP += (points[(j + 1) % pointCount] - points[j]).magnitude();
- }
-
- for (uint32_t p = 0; p < pointCount; p++)
- {
- auto p0 = points[p];
- auto p1 = points[(p + 1) % pointCount];
-
- auto cp0 = newCutoutPoints.find(p0);
- if (cp0 == newCutoutPoints.end())
- {
- newCutoutPoints[p0] = std::make_pair(0u, std::vector<physx::PxVec3>(resH + 1, physx::PxVec3(0.f)));
- cp0 = newCutoutPoints.find(p0);
- }
- auto cp1 = newCutoutPoints.find(p1);
- if (cp1 == newCutoutPoints.end())
- {
- newCutoutPoints[p1] = std::make_pair(0u, std::vector<physx::PxVec3>(resH + 1, physx::PxVec3(0.f)));
- cp1 = newCutoutPoints.find(p1);
- }
-
-
- auto vec = p1 - p0;
- auto cPos = (p0 + p1) * 0.5f;
- uint32_t numPts = (conf.noise.amplitude <= FLT_EPSILON) ? 1 : (uint32_t)(std::abs(vec.x) / conf.noise.samplingInterval.x + std::abs(vec.y) / conf.noise.samplingInterval.y) + 1;
-
- auto normal = vec.cross(physx::PxVec3(0, 0, 1));
- normal = normal;
-
- auto p00 = p0 * conicityBot; p00.z = -heightBot;
- auto p01 = p1 * conicityBot; p01.z = -heightBot;
- auto p10 = p0 * conicityTop; p10.z = heightTop;
- auto p11 = p1 * conicityTop; p11.z = heightTop;
- PlaneStepper stepper(p00, p01, p10, p11, resH, numPts);
-
- PlaneStepper stepper1(normal, cPos, heightTop, vec.magnitude() * 0.5f, resH, numPts, true);
- stepper1.getNormal(0, 0);
-
- auto t = std::make_pair(p0, p1);
- auto sfIt = sharedFacesMap.find(t);
- if (sfIt == sharedFacesMap.end() && sharedFacesMap.find(std::make_pair(p1, p0)) == sharedFacesMap.end())
- {
- sharedFacesMap[t] = SharedFace(numPts, resH, -(id + INDEXER_OFFSET), interiorMaterialId);
- sfIt = sharedFacesMap.find(t);
- auto& SF = sfIt->second;
- getNoisyFace(SF.vertices, SF.edges, SF.facets, resH, numPts,
- physx::PxVec2(0, CYLINDER_UV_SCALE * currentP / (heightBot + heightTop)),
- physx::PxVec2(CYLINDER_UV_SCALE / resH, CYLINDER_UV_SCALE * vec.magnitude() / (heightBot + heightTop) / numPts),
- stepper, nEval, id++ + INDEXER_OFFSET, interiorMaterialId, true);
-
- currentP += vec.magnitude();
- cp0->second.first++;
- cp1->second.first++;
- for (uint32_t k = 0; k <= resH; k++)
- {
- cp0->second.second[k] += SF.vertices[k].p;
- cp1->second.second[k] += SF.vertices[SF.vertices.size() - resH - 1 + k].p;
- }
- }
- }
- }
-
- //limit faces displacement iteratively
- for (uint32_t i = 0; i < cutoutPoints.size(); i++)
- {
- auto& points = cutoutPoints[i];
- uint32_t pointCount = points.size();
- for (uint32_t p = 0; p < pointCount; p++)
- {
- auto p0 = points[p];
- auto p1 = points[(p + 1) % pointCount];
- auto p2 = points[(p + 2) % pointCount];
- auto& cp1 = newCutoutPoints.find(p1)->second;
- float d = physx::PxClamp((p1 - p0).getNormalized().dot((p2 - p1).getNormalized()), 0.f, 1.f);
-
- for (uint32_t h = 0; h <= resH; h++)
- {
- float z = cp1.second[h].z;
- float conicity = (conicityBot * h + conicityTop * (resH - h)) / resH;
- cp1.second[h] = cp1.second[h] * d + p1 * cp1.first * conicity * (1.f - d);
- cp1.second[h].z = z;
- }
- }
- }
-
- //relax nearby points for too big faces displacement limitations
- for (uint32_t i = 0; i < cutoutPoints.size(); i++)
- {
- auto& points = cutoutPoints[i];
- uint32_t pointCount = points.size();
- for (uint32_t p = 0; p < pointCount; p++)
- {
- auto p0 = points[p];
- auto p1 = points[(p + 1) % pointCount];
- auto& cp0 = newCutoutPoints.find(p0)->second;
- auto& cp1 = newCutoutPoints.find(p1)->second;
-
- auto SFIt = sharedFacesMap.find(std::make_pair(p0, p1));
-
- uint32_t idx0 = 0, idx1;
- if (SFIt == sharedFacesMap.end())
- {
- SFIt = sharedFacesMap.find(std::make_pair(p1, p0));
- idx1 = 0;
- idx0 = SFIt->second.w * (SFIt->second.h + 1);
- }
- else
- {
- idx1 = SFIt->second.w * (SFIt->second.h + 1);
- }
-
- for (uint32_t h = 0; h <= resH; h++)
- {
- float z = cp1.second[h].z;
- float R0 = (cp0.second[h] / cp0.first - SFIt->second.vertices[idx0 + h].p).magnitude();
- float R1 = (cp1.second[h] / cp1.first - SFIt->second.vertices[idx1 + h].p).magnitude();
- float R = R0 - R1;
- float r = 0.25f * (cp1.second[h] / cp1.first - cp0.second[h] / cp0.first).magnitude();
- float conicity = (conicityBot * h + conicityTop * (resH - h)) / resH;
- if (R > r)
- {
- float w = std::min(1.f, r / R);
- cp1.second[h] = cp1.second[h] * w + p1 * cp1.first * conicity * (1.f - w);
- cp1.second[h].z = z;
- }
- }
- }
-
- for (int32_t p = pointCount - 1; p >= 0; p--)
- {
- auto p0 = points[p];
- auto p1 = points[unsignedMod(p - 1, pointCount)];
- auto& cp0 = newCutoutPoints.find(p0)->second;
- auto& cp1 = newCutoutPoints.find(p1)->second;
-
- auto SFIt = sharedFacesMap.find(std::make_pair(p0, p1));
- uint32_t idx0 = 0, idx1;
- if (SFIt == sharedFacesMap.end())
- {
- SFIt = sharedFacesMap.find(std::make_pair(p1, p0));
- idx1 = 0;
- idx0 = SFIt->second.w * (SFIt->second.h + 1);
- }
- else
- {
- idx1 = SFIt->second.w * (SFIt->second.h + 1);
- }
-
- for (uint32_t h = 0; h <= resH; h++)
- {
- float z = cp1.second[h].z;
- float R0 = (cp0.second[h] / cp0.first - SFIt->second.vertices[idx0 + h].p).magnitude();
- float R1 = (cp1.second[h] / cp1.first - SFIt->second.vertices[idx1 + h].p).magnitude();
- float R = R0 - R1;
- float r = 0.25f * (cp1.second[h] / cp1.first - cp0.second[h] / cp0.first).magnitude();
- float conicity = (conicityBot * h + conicityTop * (resH - h)) / resH;
- if (R > r)
- {
- float w = std::min(1.f, r / R);
- cp1.second[h] = cp1.second[h] * w + p1 * cp1.first * conicity * (1.f - w);
- cp1.second[h].z = z;
- }
- }
- }
- }
-
- //glue faces
- for (auto& SF : sharedFacesMap)
- {
- auto& cp0 = newCutoutPoints.find(SF.first.first)->second;
- auto& cp1 = newCutoutPoints.find(SF.first.second)->second;
- auto& v = SF.second.vertices;
- float invW = 1.f / SF.second.w;
-
- for (uint32_t w = 0; w <= SF.second.w; w++)
- {
- for (uint32_t h = 0; h <= SF.second.h; h++)
- {
- v[w * (SF.second.h + 1) + h].p += ((cp0.second[h] / cp0.first - v[h].p) * (SF.second.w - w)
- + (cp1.second[h] / cp1.first - v[SF.second.w * (SF.second.h + 1) + h].p) * w) * invW;
- }
- }
- }
-}
-
-Mesh* getNoisyCuttingCone(const std::vector<physx::PxVec3>& points, const std::set<int32_t>& smoothingGroups,
- const physx::PxTransform& transform, bool useSmoothing, float heightBot, float heightTop, float conicityMultiplierBot, float conicityMultiplierTop,
- const physx::PxVec3* samplingInterval, uint32_t interiorMaterialId, const SharedFacesMap& sharedFacesMap, bool inverseNormals)
-{
- uint32_t pointCount = points.size();
- uint32_t resP = pointCount;
- uint32_t resH = 1;
- if (samplingInterval != nullptr)
- {
- for (uint32_t i = 0; i < pointCount; i++)
- {
- auto vec = (points[(i + 1) % pointCount] - points[i]);
- resP += (uint32_t)(std::abs(vec.x) / samplingInterval->x + std::abs(vec.y) / samplingInterval->y);
- }
- resH = std::max((uint32_t)std::roundf((heightBot + heightTop) / samplingInterval->z), 1u);
- }
-
- std::vector<Vertex> positions; positions.reserve((resH + 1) * (resP + 1));
- std::vector<Edge> edges; edges.reserve(resH * resP * 6 + (resP + 1) * 2);
- std::vector<Facet> facets; facets.reserve(resH * resP * 2 + 2);
-
- uint32_t pCount = 0;
- int sg = useSmoothing ? 1 : -1;
- for (uint32_t p = 0; p < pointCount; p++)
- {
- if (useSmoothing && smoothingGroups.find(p) != smoothingGroups.end())
- {
- sg = sg ^ 3;
- }
- auto p0 = points[p];
- auto p1 = points[(p + 1) % pointCount];
-
- uint32_t firstVertexIndex = positions.size();
- uint32_t firstEdgeIndex = edges.size();
-
- auto sfIt = sharedFacesMap.find(std::make_pair(p0, p1));
- int32_t vBegin = 0, vEnd = -1, vIncr = 1;
- if (sfIt == sharedFacesMap.end())
- {
- sfIt = sharedFacesMap.find(std::make_pair(p1, p0));;
- vBegin = sfIt->second.w;
- vIncr = -1;
- }
- else
- {
- vEnd = sfIt->second.w + 1;
- }
-
- auto& SF = sfIt->second;
- positions.resize(firstVertexIndex + (SF.w + 1) * (SF.h + 1));
- if (vBegin < vEnd)
- {
- for (auto& e : SF.edges)
- {
- edges.push_back(Edge(e.s + firstVertexIndex, e.e + firstVertexIndex));
- }
- for (auto& f : SF.facets)
- {
- facets.push_back(f);
- facets.back().firstEdgeNumber += firstEdgeIndex;
- facets.back().smoothingGroup = sg;
- }
- }
- else
- {
- fillEdgesAndFaces(edges, facets, SF.h, SF.w, firstVertexIndex, positions.size(), SF.f.userData, SF.f.materialId, sg, true);
- }
- for (int32_t v = vBegin; v != vEnd; v += vIncr)
- {
- std::copy(SF.vertices.begin() + v * (resH + 1), SF.vertices.begin() + (v + 1) * (SF.h + 1), positions.begin() + firstVertexIndex);
- firstVertexIndex += SF.h + 1;
- }
- pCount += SF.vertices.size() / (resH + 1) - 1;
- }
-
- if (inverseNormals)
- {
- for (uint32_t e = 0; e < edges.size(); e += 3)
- {
- std::swap(edges[e + 0].s, edges[e + 0].e);
- std::swap(edges[e + 1].s, edges[e + 1].e);
- std::swap(edges[e + 2].s, edges[e + 2].e);
- std::swap(edges[e + 0], edges[e + 2]);
- }
- }
-
- uint32_t totalCount = pCount + pointCount;
- calculateNormals(positions, resH, totalCount - 1, inverseNormals);
-
- std::vector<float> xPos, yPos;
- int32_t ii = 0;
- for (auto& p : positions)
- {
- if ((ii++) % (resH + 1) == 1)
- {
- xPos.push_back(p.p.x);
- yPos.push_back(p.p.y);
- }
- p.p = transform.transform(p.p);
- p.n = transform.rotate(p.n);
- }
- totalCount /= 2;
-
- for (uint32_t i = 0; i < totalCount; i++)
- {
- uint32_t idx = 2 * i * (resH + 1);
- edges.push_back(Edge(idx, (idx + 2 * (resH + 1)) % positions.size()));
- }
- for (int32_t i = totalCount; i > 0; i--)
- {
- uint32_t idx = (2 * i + 1) * (resH + 1) - 1;
- edges.push_back(Edge(idx % positions.size(), idx - 2 * (resH + 1)));
- }
-
- if (smoothingGroups.find(0) != smoothingGroups.end() || smoothingGroups.find(pointCount - 1) != smoothingGroups.end())
- {
- if (facets[0].smoothingGroup == facets[facets.size() - 1].smoothingGroup)
- {
- for (uint32_t i = 0; i < resH; i++)
- {
- facets[i].smoothingGroup = 4;
- }
- }
- }
-
- facets.push_back(Facet(resH * pCount * 6, totalCount, interiorMaterialId, 0, -1));
- facets.push_back(Facet(resH * pCount * 6 + totalCount, totalCount, interiorMaterialId, 0, -1));
- return new MeshImpl(positions.data(), edges.data(), facets.data(), static_cast<uint32_t>(positions.size()), static_cast<uint32_t>(edges.size()), static_cast<uint32_t>(facets.size()));
-}
-
-Mesh* getCuttingCone(const CutoutConfiguration& conf, const std::vector<physx::PxVec3>& points, const std::set<int32_t>& smoothingGroups,
- float heightBot, float heightTop, float conicityBot, float conicityTop,
- int64_t& id, int32_t seed, int32_t interiorMaterialId, const SharedFacesMap& sharedFacesMap, bool inverseNormals)
-{
- if (conf.noise.amplitude > FLT_EPSILON)
- {
- return getNoisyCuttingCone(points, smoothingGroups, conf.transform, conf.useSmoothing, heightBot, heightTop, conicityBot, conicityTop,
- &conf.noise.samplingInterval, interiorMaterialId, sharedFacesMap, inverseNormals);
- }
- else
- {
- return getNoisyCuttingCone(points, smoothingGroups, conf.transform, conf.useSmoothing, heightBot, heightTop, conicityBot, conicityTop,
- nullptr, interiorMaterialId, sharedFacesMap, inverseNormals);
- }
-}
-
-} // namespace Blast
-} // namespace Nv
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