first commitv1.0.0-beta

1 files changed, 82 insertions, 0 deletions

diff --git a/NvBlast/samples/SampleBase/renderer/ConvexRenderMesh.cpp b/NvBlast/samples/SampleBase/renderer/ConvexRenderMesh.cpp
new file mode 100644
index 0000000..074cc2d
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+++ b/NvBlast/samples/SampleBase/renderer/ConvexRenderMesh.cpp
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+/*
+* Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+*
+* NVIDIA CORPORATION and its licensors retain all intellectual property
+* and proprietary rights in and to this software, 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.
+*/
+
+#include "ConvexRenderMesh.h"
+#include "Renderer.h"
+#include "PxConvexMesh.h"
+
+
+struct Vertex
+{
+	PxVec3 position;
+	PxVec3 normal;
+};
+
+ConvexRenderMesh::ConvexRenderMesh(const PxConvexMesh* mesh)
+{
+	const uint32_t nbPolygons = mesh->getNbPolygons();
+	const uint8_t* indexBuffer = mesh->getIndexBuffer();
+	const PxVec3* meshVertices = mesh->getVertices();
+
+	uint32_t nbVerts = 0;
+	uint32_t nbFaces = 0;
+
+	for (uint32_t i = 0; i < nbPolygons; i++)
+	{
+		PxHullPolygon data;
+		mesh->getPolygonData(i, data);
+		uint32_t nbPolyVerts = data.mNbVerts;
+		nbVerts += nbPolyVerts;
+		nbFaces += (nbPolyVerts - 2) * 3;
+	}
+
+	std::vector<Vertex> vertices;
+	std::vector<uint16_t> faces;
+
+	vertices.resize(nbVerts);
+	faces.resize(nbFaces);
+
+	uint32_t vertCounter = 0;
+	uint32_t facesCounter = 0;
+	for (uint32_t i = 0; i < nbPolygons; i++)
+	{
+		PxHullPolygon data;
+		mesh->getPolygonData(i, data);
+
+		PxVec3 normal(data.mPlane[0], data.mPlane[1], data.mPlane[2]);
+
+		uint32_t vI0 = vertCounter;
+		for (uint32_t vI = 0; vI < data.mNbVerts; vI++)
+		{
+			vertices[vertCounter].position = meshVertices[indexBuffer[data.mIndexBase + vI]];
+			vertices[vertCounter].normal = normal;
+			vertCounter++;
+		}
+
+		for (uint32_t vI = 1; vI < uint32_t(data.mNbVerts) - 1; vI++)
+		{
+			faces[facesCounter++] = uint16_t(vI0);
+			faces[facesCounter++] = uint16_t(vI0 + vI + 1);
+			faces[facesCounter++] = uint16_t(vI0 + vI);
+		}
+	}
+	
+	std::vector<D3D11_INPUT_ELEMENT_DESC> layout;
+	layout.push_back({ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+	layout.push_back({ "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+
+	initialize(vertices.data(), (uint32_t)vertices.size(), sizeof(Vertex), layout, faces.data(), nbFaces);
+}
+
+
+ConvexRenderMesh::~ConvexRenderMesh()
+{
+}
+