Why use it
It provides direct, allocation-conscious access to the world2d module. No exception-based error path is implied by the signature.
EPOK RUNTIME
epok::compose
Function · 1 overload
Function
parent * child: the child's local matrix expressed in the parent's space.
Declaration
Declaration
inline Affine2D compose(const Affine2D& parent, const Affine2D& child)parent * child: the child's local matrix expressed in the parent's space.
| Parameter | Type | Meaning |
|---|---|---|
parent | const Affine2D & | Value supplied for parent. Keep referenced or pointed-to data valid for the complete call. |
child | const Affine2D & | Value supplied for child. Keep referenced or pointed-to data valid for the complete call. |
Returns: Affine2D. Check the value before continuing when it represents success, availability or a resource handle.
Example
C++ example
#include "world2d.hpp"
// Assume these named values have been initialized with valid data:
// const Affine2D & parent
// const Affine2D & child
auto result = epok::compose(parent, child);Trade-offs and warnings
Pointer/reference arguments are borrowed unless the source contract says otherwise; keep them valid for the complete operation and never assume null is accepted.
Declared in runtime/world2d.hpp:156
Related members
aabb_may_touchPerforms `aabb may touch` as part of bounded AABB collision queries and movement.Function templateaabb_overlapPerforms `aabb overlap` as part of bounded AABB collision queries and movement.Function templateaabb2d_containsPerforms `aabb2d contains` as part of the world2d module.Functionaabb2d_overlapPerforms `aabb2d overlap` as part of the world2d module.Functionaabb2d_touchPerforms `aabb2d touch` as part of the world2d module.Functionaabb2d_translatedPerforms `aabb2d translated` as part of the world2d module.Functionactivate_texture_bankPerforms `activate texture bank` as part of the epok module.Functionactive_cameraPerforms `active camera` as part of the epok module.Functionactor_for_slotPerforms `actor for slot` as part of the actor tables module.Functionallocate_actor_dataPerforms `allocate actor data` as part of the epok module.Functionattach_componentSpatial attachment between components of the same domain.Functionaudio_initializePerforms `audio initialize` as part of SPU sound playback and voice ownership.Function