RandomSpawnPlacer Class

Placer that spawns entities at random positions within bounds. More...

Declaration

class helios::engine::runtime::spawn::behavior::placements::RandomSpawnPlacer { ... }

Base class

class	SpawnPlacer
	Abstract interface for determining spawn positions. More...

Public Member Functions Index

helios::math::vec3f	getPosition (const helios::engine::ecs::EntityHandle &entityHandle, const helios::math::aabbf &gameObjectBounds, const helios::math::aabbf &environmentBounds, const SpawnPlanCursor &cursor, const SpawnContext &spawnContext) override
	Returns a random position within the level bounds. More...
void	onReset () noexcept override
	Resets the random number generator to its initial seed. More...

Private Member Attributes Index

helios::util::Random	rGen_ {12345}

Description

Placer that spawns entities at random positions within bounds.

RandomSpawnPlacer generates random X and Y coordinates within the provided level bounds. The Z coordinate is set to 0, making this suitable for 2D games.

info

Uses a static Random generator with a fixed seed for reproducibility.

See Also

SpawnPlacer

Definition at line 30 of file RandomSpawnPlacer.ixx.

Public Member Functions

getPosition()

helios::math::vec3f helios::engine::runtime::spawn::behavior::placements::RandomSpawnPlacer::getPosition (const helios::engine::ecs::EntityHandle & entityHandle, const helios::math::aabbf & gameObjectBounds, const helios::math::aabbf & environmentBounds, const SpawnPlanCursor & cursor, const SpawnContext & spawnContext)

inline virtual

Returns a random position within the level bounds.

Parameters

entityHandle	The handle of the entity being spawned (unused).
gameObjectBounds	The bounding box of the entity to spawn (unused).
environmentBounds	The level bounds to spawn within.
cursor	The current position within the spawn batch (unused).
spawnContext	Context data (unused).

Returns

A random vec3f with Z = 0.

Definition at line 47 of file RandomSpawnPlacer.ixx.

47 helios::math::vec3f getPosition(

48 const helios::engine::ecs::EntityHandle& entityHandle,

49 const helios::math::aabbf& gameObjectBounds,

50 const helios::math::aabbf& environmentBounds,

51 const SpawnPlanCursor& cursor,

52 const SpawnContext& spawnContext

53 ) override {

54

55

56 float xPos = rGen_.randomFloat(environmentBounds.min()[0], environmentBounds.max()[0]);

57 float yPos = rGen_.randomFloat(environmentBounds.min()[1], environmentBounds.max()[1]);

58

59 return helios::math::vec3f{xPos, yPos, 0.0f};

60 }

References helios::math::aabb< T >::max and helios::math::aabb< T >::min.

onReset()

void helios::engine::runtime::spawn::behavior::placements::RandomSpawnPlacer::onReset ()

inline noexcept virtual

Resets the random number generator to its initial seed.

Definition at line 65 of file RandomSpawnPlacer.ixx.

65 void onReset() noexcept override {

66 rGen_.reset();

67 }

Private Member Attributes

rGen_

helios::util::Random helios::engine::runtime::spawn::behavior::placements::RandomSpawnPlacer::rGen_ {12345}

Definition at line 32 of file RandomSpawnPlacer.ixx.

32 helios::util::Random rGen_{12345};

---

The documentation for this class was generated from the following file:

• RandomSpawnPlacer.ixx

---

Generated via doxygen2docusaurus 2.0.0 by Doxygen 1.15.0.