Cube.ixx File

Basic cube shape for rendering. More...

Included Headers

#include <vector> #include <helios.rendering.mesh.PrimitiveType> #include <helios.rendering.Vertex> #include <helios.rendering.asset.shape.Shape>

Namespaces Index

namespace	helios
namespace	rendering
	Graphics rendering infrastructure. More...
namespace	asset
	Rendering asset management. More...
namespace	shape
	Geometric shape definitions. More...
namespace	basic
	Basic primitive shapes. More...

Classes Index

struct	Cube
	Basic Cube Shape. More...

Description

Basic cube shape for rendering.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file Cube.ixx

3 * @brief Basic cube shape for rendering.

4 */

5module;

6

7

8#include <vector>

9

10export module helios.rendering.asset.shape.basic.Cube;

11

12import helios.rendering.asset.shape.Shape;

13

14import helios.rendering.Vertex;

15import helios.rendering.mesh.PrimitiveType;

16

17using namespace helios::rendering;

18

19export namespace helios::rendering::asset::shape::basic {

20

21 /**

22 * @brief Basic Cube Shape.

23 */

24 struct Cube : public Shape {

25

26 Cube():

27 Shape(

28 std::vector<Vertex>{

29 // n (z = 1.0)

30 {{-1.0f, -1.0f, 1.0f}, { 0.0f, 0.0f, 1.0f}, {0.0f, 0.0f}}, // Bottom-left

31 {{ 1.0f, -1.0f, 1.0f}, { 0.0f, 0.0f, 1.0f}, {1.0f, 0.0f}}, // Bottom-right

32 {{ 1.0f, 1.0f, 1.0f}, { 0.0f, 0.0f, 1.0f}, {1.0f, 1.0f}}, // Top-right

33 {{-1.0f, 1.0f, 1.0f}, { 0.0f, 0.0f, 1.0f}, {0.0f, 1.0f}}, // Top-left

34

35 // f (z = -1.0)

36 {{-1.0f, -1.0f, -1.0f}, { 0.0f, 0.0f, -1.0f}, {1.0f, 0.0f}}, // Bottom-left

37 {{ 1.0f, -1.0f, -1.0f}, { 0.0f, 0.0f, -1.0f}, {0.0f, 0.0f}}, // Bottom-right

38 {{ 1.0f, 1.0f, -1.0f}, { 0.0f, 0.0f, -1.0f}, {0.0f, 1.0f}}, // Top-right

39 {{-1.0f, 1.0f, -1.0f}, { 0.0f, 0.0f, -1.0f}, {1.0f, 1.0f}}, // Top-left

40

41 // l (x = -1.0)

42 {{-1.0f, -1.0f, -1.0f}, {-1.0f, 0.0f, 0.0f}, {0.0f, 0.0f}}, // Bottom-left

43 {{-1.0f, -1.0f, 1.0f}, {-1.0f, 0.0f, 0.0f}, {1.0f, 0.0f}}, // Bottom-right

44 {{-1.0f, 1.0f, 1.0f}, {-1.0f, 0.0f, 0.0f}, {1.0f, 1.0f}}, // Top-right

45 {{-1.0f, 1.0f, -1.0f}, {-1.0f, 0.0f, 0.0f}, {0.0f, 1.0f}}, // Top-left

46

47 // r (x = 1.0)

48 {{ 1.0f, -1.0f, -1.0f}, { 1.0f, 0.0f, 0.0f}, {1.0f, 0.0f}}, // Bottom-left

49 {{ 1.0f, -1.0f, 1.0f}, { 1.0f, 0.0f, 0.0f}, {0.0f, 0.0f}}, // Bottom-right

50 {{ 1.0f, 1.0f, 1.0f}, { 1.0f, 0.0f, 0.0f}, {0.0f, 1.0f}}, // Top-right

51 {{ 1.0f, 1.0f, -1.0f}, { 1.0f, 0.0f, 0.0f}, {1.0f, 1.0f}}, // Top-left

52

53 // b (y = -1.0)

54 {{-1.0f, -1.0f, -1.0f}, { 0.0f, -1.0f, 0.0f}, {0.0f, 1.0f}}, // Bottom-left

55 {{ 1.0f, -1.0f, -1.0f}, { 0.0f, -1.0f, 0.0f}, {1.0f, 1.0f}}, // Bottom-right

56 {{ 1.0f, -1.0f, 1.0f}, { 0.0f, -1.0f, 0.0f}, {1.0f, 0.0f}}, // Top-right

57 {{-1.0f, -1.0f, 1.0f}, { 0.0f, -1.0f, 0.0f}, {0.0f, 0.0f}}, // Top-left

58

59 // t (y = 1.0)

60 {{-1.0f, 1.0f, -1.0f}, { 0.0f, 1.0f, 0.0f}, {0.0f, 0.0f}}, // Bottom-left

61 {{ 1.0f, 1.0f, -1.0f}, { 0.0f, 1.0f, 0.0f}, {1.0f, 0.0f}}, // Bottom-right

62 {{ 1.0f, 1.0f, 1.0f}, { 0.0f, 1.0f, 0.0f}, {1.0f, 1.0f}}, // Top-right

63 {{-1.0f, 1.0f, 1.0f}, { 0.0f, 1.0f, 0.0f}, {0.0f, 1.0f}} // Top-left

64 },

65 std::vector<unsigned int>{

66 // n

67 0, 1, 2, 2, 3, 0,

68 // f

69 4, 5, 6, 6, 7, 4,

70 // l

71 8, 9, 10, 10, 11, 8,

72 // r

73 12, 13, 14, 14, 15, 12,

74 // b

75 16, 17, 18, 18, 19, 16,

76 // t

77 20, 21, 22, 22, 23, 20

78 }

79 ) {}

80

81 [[nodiscard]] helios::rendering::mesh::PrimitiveType primitiveType() const noexcept override {

82 return mesh::PrimitiveType::LineLoop;

83 }

84 };

85

86}

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