Rectangle.ixx File

Basic rectangle 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	Rectangle
	Basic Rectangle Shape. More...

Description

Basic rectangle shape for rendering.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file Rectangle.ixx

3 * @brief Basic rectangle shape for rendering.

4 */

5module;

6

7#include <vector>

8

9export module helios.rendering.asset.shape.basic.Rectangle;

10

11import helios.rendering.asset.shape.Shape;

12

13import helios.rendering.Vertex;

14import helios.rendering.mesh.PrimitiveType;

15

16using namespace helios::rendering;

17

18export namespace helios::rendering::asset::shape::basic {

19

20 /**

21 * @brief Basic Rectangle Shape.

22 *

23 * Creates vertex and index data for a single 2D rectangle.

24 *

25 * @note Uses indices {0, 1, 2, 3, 0} with PrimitiveType::LineStrip to render the rectangle outline.

26 */

27 struct Rectangle : public Shape {

28

29 Rectangle(): Shape(

30 std::vector<Vertex>{

31 {{ -0.5f, -0.5f, 0.0f}, { 0.0f, 0.0f, 0.0f}, {0.0f, 0.0f}},

32 {{ -0.5f, 0.5f, 0.0f}, { 0.0f, 0.0f, 0.0f}, {0.0f, 0.0f}},

33 {{ 0.5f, 0.5f, 0.0f}, { 0.0f, 0.0f, 0.0f}, {0.0f, 0.0f}},

34 {{ 0.5f, -0.5f, 0.0f}, { 0.0f, 0.0f, 0.0f}, {0.0f, 0.0f}},

35 },

36 std::vector<unsigned int>{

37 0, 1, 2, 3, 0

38 }

39 ) {}

40

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

42 return mesh::PrimitiveType::LineStrip;

43 }

44

45 };

46

47}

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