WireframeCube.ixx File

Simple wireframe cube mesh asset with positions, normals, UVs, and line indices. More...

Included Headers

#include <array> #include <span> #include <helios.engine.rendering.mesh.types.PrimitiveType> #include <helios.engine.rendering.mesh.types.MeshData> #include <helios.math> #include <helios.engine.rendering.common.types.Vertex>

Namespaces Index

namespace	helios
namespace	engine
namespace	rendering
namespace	mesh
namespace	assets

Classes Index

struct	WireframeCube
	Static wireframe cube mesh definition. More...

Description

Simple wireframe cube mesh asset with positions, normals, UVs, and line indices.

File Listing

The file content with the documentation metadata removed is:

1

5module;

6

7#include <array>

8#include <span>

9

10export module helios.engine.rendering.mesh.assets:WireframeCube;

11

12import helios.engine.rendering.common.types.Vertex;

13import helios.engine.rendering.mesh.types.MeshData;

14import helios.engine.rendering.mesh.types.PrimitiveType;

15import helios.math;

16

17using namespace helios::engine::rendering::common::types;

18using namespace helios::engine::rendering::mesh::types;

19

20export namespace helios::engine::rendering::mesh::assets {

21

28 struct WireframeCube {

29

36 static constexpr std::array<Vertex, 8> vertices{{

37 {{-0.5f, -0.5f, -0.5f}, {0.0f, 0.0f, 1.0f}, {0.0f, 0.0f}}, // 0

38 {{ 0.5f, -0.5f, -0.5f}, {0.0f, 0.0f, 1.0f}, {1.0f, 0.0f}}, // 1

39 {{ 0.5f, 0.5f, -0.5f}, {0.0f, 0.0f, 1.0f}, {1.0f, 1.0f}}, // 2

40 {{-0.5f, 0.5f, -0.5f}, {0.0f, 0.0f, 1.0f}, {0.0f, 1.0f}}, // 3

41

42 {{-0.5f, -0.5f, 0.5f}, {0.0f, 0.0f, 1.0f}, {0.0f, 0.0f}}, // 4

43 {{ 0.5f, -0.5f, 0.5f}, {0.0f, 0.0f, 1.0f}, {1.0f, 0.0f}}, // 5

44 {{ 0.5f, 0.5f, 0.5f}, {0.0f, 0.0f, 1.0f}, {1.0f, 1.0f}}, // 6

45 {{-0.5f, 0.5f, 0.5f}, {0.0f, 0.0f, 1.0f}, {0.0f, 1.0f}} // 7

46 }};

47

53 static constexpr std::array<unsigned int, 24> indices = {

54 // back face

55 0, 1,

56 1, 2,

57 2, 3,

58 3, 0,

59

60 // front face

61 4, 5,

62 5, 6,

63 6, 7,

64 7, 4,

65

66 // connecting edges

67 0, 4,

68 1, 5,

69 2, 6,

70 3, 7

71 };

72

76 static constexpr PrimitiveType primitiveType = PrimitiveType::Lines;

77

82 static MeshData meshData() {

83 return MeshData{

84 std::span{vertices},

85 std::span{indices},

86 primitiveType

87 };

88 }

89

94 static helios::math::aabbf boundsData() {

95 return helios::math::aabbf{

96 -0.5f, -0.5f, -0.5f,

97 0.5f, 0.5f, 0.5f

98 };

99 }

100

101 };

102

103}

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