Transform.ixx File

Represents a 3D transformation consisting of translation, rotation and scale. More...

Included Headers

#include <helios.math.transform> #include <helios.math.types>

Namespaces Index

namespace	helios
namespace	engine
namespace	core
namespace	spatial

Classes Index

class	Transform
	Represents a 3D transformation consisting of translation, rotation and scale. More...

Description

Represents a 3D transformation consisting of translation, rotation and scale.

File Listing

The file content with the documentation metadata removed is:

1

6module;

7

8

9export module helios.engine.core.spatial.Transform;

10

11import helios.math.types;

12import helios.math.transform;

13

14

15export namespace helios::engine::core::spatial {

16

29 class Transform {

30

31 private:

36 mutable bool needsUpdate_ = true;

37

41 helios::math::mat4f rotation_ = helios::math::mat4f::identity();

42

46 helios::math::vec3f scale_ = helios::math::vec3f(1);

47

51 helios::math::vec3f translation_ = helios::math::vec3f(0);

52

57 mutable helios::math::mat4f cached_ = helios::math::mat4f::identity();

58

65 helios::math::mat4f updateCache() const {

66 needsUpdate_ = false;

67 return math::translate(

68 helios::math::mat4f::identity(),

69 translation_) *

70 (rotation_ * helios::math::mat4f(scale_)

71 );

72 }

73

74 public:

75 ~Transform() = default;

76

81 Transform() = default;

82

90 Transform(const helios::math::mat4f& rotation,

91 helios::math::vec3f scale,

92 helios::math::vec3f translation

93 ) noexcept :

94 rotation_(rotation),

95 scale_(scale),

96 translation_(translation),

97 needsUpdate_(true)

98 {}

99

106 void setRotation(const math::mat4f& rotation) noexcept {

107 rotation_ = rotation;

108 needsUpdate_ = true;

109 }

110

117 void setTranslation(const math::vec3f& translation) noexcept {

118 translation_ = translation;

119 needsUpdate_ = true;

120 }

121

128 void setScale(const math::vec3f& scale) noexcept {

129 scale_ = scale;

130 needsUpdate_ = true;

131 }

132

138 [[nodiscard]] helios::math::mat4f rotation() const noexcept {

139 return rotation_;

140 }

141

147 [[nodiscard]] helios::math::vec3f translation() const noexcept {

148 return translation_;

149 }

150

156 [[nodiscard]] helios::math::vec3f scaling() const noexcept {

157 return scale_;

158 }

159

165 [[nodiscard]] helios::math::mat4f transform() const noexcept {

166 if (needsUpdate_) {

167 cached_ = updateCache();

168 }

169 return cached_;

170 }

171

179 [[nodiscard]] bool needsUpdate() const noexcept {

180 return needsUpdate_;

181 }

182

183 };

184

185};

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