1 files changed, 205 insertions, 0 deletions
diff --git a/samples/SampleBase/renderer/PrimitiveRenderMesh.cpp b/samples/SampleBase/renderer/PrimitiveRenderMesh.cpp
new file mode 100644
index 0000000..329f47b
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+++ b/samples/SampleBase/renderer/PrimitiveRenderMesh.cpp
@@ -0,0 +1,205 @@
+/*
+* 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 "PrimitiveRenderMesh.h"
+#include "Renderer.h"
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//											Base Mesh internal class
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+PrimitiveRenderMesh::PrimitiveRenderMesh(const float v[], UINT numVertices)
+{
+	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(v, numVertices, sizeof(float) * 6, layout, nullptr, 0);
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//													Box Mesh
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+const float boxVertices[] =
+{
+		-1.0f, -1.0f, -1.0f,  0.0f,  0.0f, -1.0f,
+		 1.0f, -1.0f, -1.0f,  0.0f,  0.0f, -1.0f, 
+		 1.0f,  1.0f, -1.0f,  0.0f,  0.0f, -1.0f, 
+		 1.0f,  1.0f, -1.0f,  0.0f,  0.0f, -1.0f, 
+		-1.0f,  1.0f, -1.0f,  0.0f,  0.0f, -1.0f, 
+		-1.0f, -1.0f, -1.0f,  0.0f,  0.0f, -1.0f, 
+
+		-1.0f, -1.0f,  1.0f,  0.0f,  0.0f, 1.0f,
+		 1.0f,  1.0f,  1.0f,  0.0f,  0.0f, 1.0f,
+		 1.0f, -1.0f,  1.0f,  0.0f,  0.0f, 1.0f,
+		 1.0f,  1.0f,  1.0f,  0.0f,  0.0f, 1.0f,
+		-1.0f, -1.0f,  1.0f,  0.0f,  0.0f, 1.0f,
+		-1.0f,  1.0f,  1.0f,  0.0f,  0.0f, 1.0f,
+
+		-1.0f,  1.0f,  1.0f, -1.0f,  0.0f,  0.0f,
+		-1.0f, -1.0f, -1.0f, -1.0f,  0.0f,  0.0f,
+		-1.0f,  1.0f, -1.0f, -1.0f,  0.0f,  0.0f,
+		-1.0f, -1.0f, -1.0f, -1.0f,  0.0f,  0.0f,
+		-1.0f,  1.0f,  1.0f, -1.0f,  0.0f,  0.0f,
+		-1.0f, -1.0f,  1.0f, -1.0f,  0.0f,  0.0f,
+
+		 1.0f,  1.0f,  1.0f,  1.0f,  0.0f,  0.0f,
+		 1.0f,  1.0f, -1.0f,  1.0f,  0.0f,  0.0f,
+		 1.0f, -1.0f, -1.0f,  1.0f,  0.0f,  0.0f,
+		 1.0f, -1.0f, -1.0f,  1.0f,  0.0f,  0.0f,
+		 1.0f, -1.0f,  1.0f,  1.0f,  0.0f,  0.0f,
+		 1.0f,  1.0f,  1.0f,  1.0f,  0.0f,  0.0f,
+
+		-1.0f, -1.0f, -1.0f,  0.0f, -1.0f,  0.0f,
+		 1.0f, -1.0f,  1.0f,  0.0f, -1.0f,  0.0f,
+		 1.0f, -1.0f, -1.0f,  0.0f, -1.0f,  0.0f,
+		 1.0f, -1.0f,  1.0f,  0.0f, -1.0f,  0.0f,
+		-1.0f, -1.0f, -1.0f,  0.0f, -1.0f,  0.0f,
+		-1.0f, -1.0f,  1.0f,  0.0f, -1.0f,  0.0f,
+
+		-1.0f,  1.0f, -1.0f,  0.0f,  1.0f,  0.0f,
+		 1.0f,  1.0f, -1.0f,  0.0f,  1.0f,  0.0f,
+		 1.0f,  1.0f,  1.0f,  0.0f,  1.0f,  0.0f,
+		 1.0f,  1.0f,  1.0f,  0.0f,  1.0f,  0.0f,
+		-1.0f,  1.0f,  1.0f,  0.0f,  1.0f,  0.0f,
+		-1.0f,  1.0f, -1.0f,  0.0f,  1.0f,  0.0f
+};
+
+BoxRenderMesh::BoxRenderMesh() : PrimitiveRenderMesh(boxVertices, sizeof(boxVertices) / (6 * sizeof(boxVertices[0]))) {}
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//													Plane Mesh
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+const float planeSize = 1.0f; // we use scaling instead
+const float planeTilesCount = 1000.0f;
+
+const float planeVertices[] =
+{
+	0,  planeSize,  planeSize, 1.0f, 0.0f, 0.0f,  planeTilesCount,  planeTilesCount,
+	0,  planeSize, -planeSize, 1.0f, 0.0f, 0.0f,  planeTilesCount, -planeTilesCount,
+	0, -planeSize, -planeSize, 1.0f, 0.0f, 0.0f, -planeTilesCount, -planeTilesCount,
+	0, -planeSize, -planeSize, 1.0f, 0.0f, 0.0f, -planeTilesCount, -planeTilesCount,
+	0, -planeSize,  planeSize, 1.0f, 0.0f, 0.0f, -planeTilesCount,  planeTilesCount,
+	0,  planeSize,  planeSize, 1.0f, 0.0f, 0.0f,  planeTilesCount,  planeTilesCount
+};
+
+PlaneRenderMesh::PlaneRenderMesh()
+{
+	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 });
+	layout.push_back({ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 24, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+
+	initialize(planeVertices, sizeof(planeVertices) / (8 * sizeof(planeVertices[0])), sizeof(float) * 8, layout, nullptr, 0);
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//													Sphere Mesh
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+const uint32_t g_numSlices = 8;  // along lines of longitude
+const uint32_t g_numStacks = 16; // along lines of latitude
+
+const uint32_t g_numSphereVertices = (g_numSlices * 2 + 1)*(g_numStacks + 1);
+const uint32_t g_numSphereIndices = g_numSlices * 2 * g_numStacks * 6;
+
+const uint32_t g_numConeVertices = (g_numSlices * 2 + 1) * 2;
+const uint32_t g_numConeIndices = g_numSlices * 2 * 6;
+
+PxVec3 g_spherePositions[g_numSphereVertices];
+uint16_t g_sphereIndices[g_numSphereIndices];
+
+void generateSphereMesh(uint16_t slices, uint16_t stacks, PxVec3* positions, uint16_t* indices)
+{
+	const PxF32 thetaStep = PxPi / stacks;
+	const PxF32 phiStep = PxTwoPi / (slices * 2);
+
+	PxF32 theta = 0.0f;
+
+	// generate vertices
+	for (uint16_t y = 0; y <= stacks; ++y)
+	{
+		PxF32 phi = 0.0f;
+
+		PxF32 cosTheta = PxCos(theta);
+		PxF32 sinTheta = PxSin(theta);
+
+		for (uint16_t x = 0; x <= slices * 2; ++x)
+		{
+			PxF32 cosPhi = PxCos(phi);
+			PxF32 sinPhi = PxSin(phi);
+
+			PxVec3 p(cosPhi*sinTheta, cosTheta, sinPhi*sinTheta);
+
+			// write vertex
+			*(positions++) = p;
+
+			phi += phiStep;
+		}
+
+		theta += thetaStep;
+	}
+
+	const uint16_t numRingQuads = 2 * slices;
+	const uint16_t numRingVerts = 2 * slices + 1;
+
+	// add faces
+	for (uint16_t y = 0; y < stacks; ++y)
+	{
+		for (uint16_t i = 0; i < numRingQuads; ++i)
+		{
+			// add a quad
+			*(indices++) = (y + 0)*numRingVerts + i;
+			*(indices++) = (y + 1)*numRingVerts + i;
+			*(indices++) = (y + 1)*numRingVerts + i + 1;
+
+			*(indices++) = (y + 1)*numRingVerts + i + 1;
+			*(indices++) = (y + 0)*numRingVerts + i + 1;
+			*(indices++) = (y + 0)*numRingVerts + i;
+		}
+	}
+}
+
+
+struct SphereVertex
+{
+	PxVec3 position;
+	PxVec3 normal;
+};
+
+SphereRenderMesh::SphereRenderMesh()
+{
+	generateSphereMesh(g_numSlices, g_numStacks, g_spherePositions, g_sphereIndices);
+
+	std::vector<SphereVertex> vertices;
+	for (uint32_t i = 0; i < g_numSphereVertices; i++)
+	{
+		vertices.push_back({ g_spherePositions[i], g_spherePositions[i] });
+	}
+
+	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(SphereVertex), layout, g_sphereIndices, g_numSphereIndices);
+}
+
+
+SphereRenderMesh::~SphereRenderMesh()
+{
+}