/* This file is part of Magnum. Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Vladimír Vondruš Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "Cube.h" #include "Magnum/Mesh.h" #include "Magnum/Math/Color.h" #include "Magnum/Trade/MeshData.h" namespace Magnum { namespace Primitives { namespace { /* not 8-bit because GPUs (and Vulkan) don't like it nowadays */ constexpr UnsignedShort IndicesSolid[]{ 0, 1, 2, 0, 2, 3, /* +Z */ 4, 5, 6, 4, 6, 7, /* +X */ 8, 9, 10, 8, 10, 11, /* +Y */ 12, 13, 14, 12, 14, 15, /* -Z */ 16, 17, 18, 16, 18, 19, /* -Y */ 20, 21, 22, 20, 22, 23 /* -X */ }; constexpr struct VertexSolid { Vector3 position; Vector3 normal; } VerticesSolid[]{ {{-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}}, /* +Z */ {{-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}}, /* +X */ {{ 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}}, /* +Y */ {{-1.0f, 1.0f, -1.0f}, { 0.0f, 1.0f, 0.0f}}, {{ 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}}, /* -Z */ {{ 1.0f, 1.0f, -1.0f}, { 0.0f, 0.0f, -1.0f}}, {{-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}}, /* -Y */ {{-1.0f, -1.0f, 1.0f}, { 0.0f, -1.0f, 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}}, /* -X */ {{-1.0f, 1.0f, -1.0f}, {-1.0f, 0.0f, 0.0f}} }; constexpr Trade::MeshAttributeData AttributesSolid[]{ Trade::MeshAttributeData{Trade::MeshAttribute::Position, Containers::stridedArrayView(VerticesSolid, &VerticesSolid[0].position, Containers::arraySize(VerticesSolid), sizeof(VertexSolid))}, Trade::MeshAttributeData{Trade::MeshAttribute::Normal, Containers::stridedArrayView(VerticesSolid, &VerticesSolid[0].normal, Containers::arraySize(VerticesSolid), sizeof(VertexSolid))} }; } Trade::MeshData cubeSolid() { return Trade::MeshData{MeshPrimitive::Triangles, {}, IndicesSolid, Trade::MeshIndexData{IndicesSolid}, {}, VerticesSolid, Trade::meshAttributeDataNonOwningArray(AttributesSolid)}; } namespace { /* Can't be just an array of Vector3 because MSVC 2015 is special. See Crosshair.cpp for details. */ constexpr struct VertexSolidStrip { Vector3 position; } VerticesSolidStrip[]{ /* Sources: https://twitter.com/Donzanoid/status/436843034966507520 http://www.asmcommunity.net/forums/topic/?id=6284#post-45209 https://gist.github.com/cdwfs/2cab675b333632d940cf 0---2---3---1 |E /|\ A|H /| | / | \ | / | |/ D|B \|/ I| 4---7---6---5 |C /| | / | |/ J| 4---5 |\ K| | \ | |L \| 0---1 |\ G| | \ | |F \| 2---3 */ {{ 1.0f, 1.0f, 1.0f}}, /* 3 */ {{-1.0f, 1.0f, 1.0f}}, /* 2 */ {{ 1.0f, -1.0f, 1.0f}}, /* 6 */ {{-1.0f, -1.0f, 1.0f}}, /* 7 */ {{-1.0f, -1.0f, -1.0f}}, /* 4 */ {{-1.0f, 1.0f, 1.0f}}, /* 2 */ {{-1.0f, 1.0f, -1.0f}}, /* 0 */ {{ 1.0f, 1.0f, 1.0f}}, /* 3 */ {{ 1.0f, 1.0f, -1.0f}}, /* 1 */ {{ 1.0f, -1.0f, 1.0f}}, /* 6 */ {{ 1.0f, -1.0f, -1.0f}}, /* 5 */ {{-1.0f, -1.0f, -1.0f}}, /* 4 */ {{ 1.0f, 1.0f, -1.0f}}, /* 1 */ {{-1.0f, 1.0f, -1.0f}} /* 0 */ }; constexpr Trade::MeshAttributeData AttributesSolidStrip[]{ Trade::MeshAttributeData{Trade::MeshAttribute::Position, Containers::stridedArrayView(VerticesSolidStrip, &VerticesSolidStrip[0].position, Containers::arraySize(VerticesSolidStrip), sizeof(VertexSolidStrip))} }; } Trade::MeshData cubeSolidStrip() { return Trade::MeshData{MeshPrimitive::TriangleStrip, {}, VerticesSolidStrip, Trade::meshAttributeDataNonOwningArray(AttributesSolidStrip)}; } namespace { /* not 8-bit because GPUs (and Vulkan) don't like it nowadays */ constexpr UnsignedShort IndicesWireframe[]{ 0, 1, 1, 2, 2, 3, 3, 0, /* +Z */ 4, 5, 5, 6, 6, 7, 7, 4, /* -Z */ 1, 5, 2, 6, /* +X */ 0, 4, 3, 7 /* -X */ }; /* Can't be just an array of Vector3 because MSVC 2015 is special. See Crosshair.cpp for details. */ constexpr struct VertexWireframe { Vector3 position; } VerticesWireframe[]{ {{-1.0f, -1.0f, 1.0f}}, {{ 1.0f, -1.0f, 1.0f}}, {{ 1.0f, 1.0f, 1.0f}}, {{-1.0f, 1.0f, 1.0f}}, {{-1.0f, -1.0f, -1.0f}}, {{ 1.0f, -1.0f, -1.0f}}, {{ 1.0f, 1.0f, -1.0f}}, {{-1.0f, 1.0f, -1.0f}} }; constexpr Trade::MeshAttributeData AttributesWireframe[]{ Trade::MeshAttributeData{Trade::MeshAttribute::Position, Containers::stridedArrayView(VerticesWireframe, &VerticesWireframe[0].position, Containers::arraySize(VerticesWireframe), sizeof(VertexWireframe))} }; } Trade::MeshData cubeWireframe() { return Trade::MeshData{MeshPrimitive::Lines, {}, IndicesWireframe, Trade::MeshIndexData{IndicesWireframe}, {}, VerticesWireframe, Trade::meshAttributeDataNonOwningArray(AttributesWireframe)}; } }}