spk::BoundingBox2D Struct Reference

Axis-aligned 2D bounding box defined by center, size, and extents. More...

#include <spk_bounding_box_2d.hpp>

Collaboration diagram for spk::BoundingBox2D:

Public Member Functions
	BoundingBox2D ()=default
	Builds a default bounding box at the origin.
	BoundingBox2D (const spk::Vector2 &p_center, const spk::Vector2 &p_size)
	Builds a bounding box from center and size.
void	setFromCenterSize (const spk::Vector2 &p_center, const spk::Vector2 &p_size)
	Updates the box from center and size.
void	setFromMinMax (const spk::Vector2 &p_min, const spk::Vector2 &p_max)
	Updates the box from minimum and maximum corners.
BoundingBox2D	applyMatrix (const spk::Matrix4x4 &p_transform) const
	Applies a transform matrix to the bounding box.
bool	intersect (const BoundingBox2D &p_other) const
	Checks intersection with another bounding box.

Public Attributes
spk::Vector2	center {0.0f, 0.0f}
	Center point of the bounding box.
spk::Vector2	size {0.0f, 0.0f}
	Size of the bounding box (width, height).
spk::Vector2	min {0.0f, 0.0f}
	Minimum corner of the bounding box.
spk::Vector2	max {0.0f, 0.0f}
	Maximum corner of the bounding box.

Detailed Description

Axis-aligned 2D bounding box defined by center, size, and extents.

spk::BoundingBox2D box({0.0f, 0.0f}, {10.0f, 5.0f});
if (box.intersect(other)) { // ... }

Constructor & Destructor Documentation

BoundingBox2D()

spk::BoundingBox2D::BoundingBox2D	(	const spk::Vector2 &	p_center,
		const spk::Vector2 &	p_size )

Builds a bounding box from center and size.

Parameters

p_center	Center point.
p_size	Size (width, height).

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Member Function Documentation

applyMatrix()

BoundingBox2D spk::BoundingBox2D::applyMatrix

(

const spk::Matrix4x4 &

p_transform

)

const

Applies a transform matrix to the bounding box.

Parameters

p_transform

Transform matrix.

Returns

Transformed bounding box.

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intersect()

bool spk::BoundingBox2D::intersect

(

const BoundingBox2D &

p_other

)

const

Checks intersection with another bounding box.

Parameters

p_other

Other bounding box.

Returns

true when boxes overlap.

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setFromCenterSize()

void spk::BoundingBox2D::setFromCenterSize	(	const spk::Vector2 &	p_center,
		const spk::Vector2 &	p_size )

Updates the box from center and size.

Parameters

p_center	Center point.
p_size	Size (width, height).

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setFromMinMax()

void spk::BoundingBox2D::setFromMinMax	(	const spk::Vector2 &	p_min,
		const spk::Vector2 &	p_max )

Updates the box from minimum and maximum corners.

Parameters

p_min	Minimum corner.
p_max	Maximum corner.

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The documentation for this struct was generated from the following files:

• includes/structure/math/spk_bounding_box_2d.hpp
• srcs/structure/math/spk_bounding_box_2d.cpp