mitiru::physics2d

2D physics: bodies, fixtures, broadphase, contact resolution.

Name	Kind	Items
`AABBCollider2D`	struct	2
`OBBCollider2D`	struct	2
`WorldAABB2D`	struct	1
`SpatialHashGrid`	class	7
`PhysicsWorld2D`	class	19

Free functions and typedefs

using BodyId = uint32_t;

using Collider2D = std::variant<CircleCollider2D, AABBCollider2D, OBBCollider2D>;

using CollisionCallback2D = std::function<void(const Contact2D&)>;

inline constexpr BodyId INVALID_BODY_ID = 0

[[nodiscard]] inline std::optional<Contact2D> circleVsCircle( const sgc::Vec2f& pA, float rA, const sgc::Vec2f& pB, float rB) noexcept

[[nodiscard]] inline std::optional<Contact2D> aabbVsAabb( const sgc::Vec2f& mnA, const sgc::Vec2f& mxA, const sgc::Vec2f& mnB, const sgc::Vec2f& mxB) noexcept

[[nodiscard]] inline std::optional<Contact2D> circleVsAabb( const sgc::Vec2f& cp, float r, const sgc::Vec2f& mn, const sgc::Vec2f& mx) noexcept

inline void project(const sgc::Vec2f* v, int n, const sgc::Vec2f& ax, float& lo, float& hi) noexcept

[[nodiscard]] inline std::optional<Contact2D> obbVsObb( const sgc::Vec2f& cA, const OBBCollider2D& oA, float aA, const sgc::Vec2f& cB, const OBBCollider2D& oB, float aB) noexcept

inline void resolve(const Contact2D& ct, RigidBody2D& a, RigidBody2D& b) noexcept

struct AABBCollider2D 2

[[nodiscard]] constexpr sgc::Vec2f center() const noexcept

[[nodiscard]] constexpr sgc::Vec2f halfExtents() const noexcept

struct OBBCollider2D 2

[[nodiscard]] sgc::Vec2f axis(float bodyAngle, int idx) const noexcept

void worldVertices(const sgc::Vec2f& wc, float bodyAngle, sgc::Vec2f v[4]) const noexcept

struct WorldAABB2D 1

[[nodiscard]] constexpr bool overlaps(const WorldAABB2D& o) const noexcept

class SpatialHashGrid 7

explicit SpatialHashGrid(float cellSize = 2.0f) noexcept

void setCellSize(float s) noexcept

[[nodiscard]] constexpr float cellSize() const noexcept

void clear() noexcept

void insert(BodyId id, const WorldAABB2D& aabb) noexcept

[[nodiscard]] std::vector<std::pair<BodyId, BodyId>> queryAllPairs() const noexcept

[[nodiscard]] std::vector<BodyId> query(const WorldAABB2D& aabb) const noexcept

class PhysicsWorld2D 19

PhysicsWorld2D() = default

void setGravity(const sgc::Vec2f& g) noexcept

[[nodiscard]] constexpr const sgc::Vec2f& gravity() const noexcept

BodyId addBody(RigidBody2D body) noexcept

void removeBody(BodyId id) noexcept

[[nodiscard]] RigidBody2D* getBody(BodyId id) noexcept

[[nodiscard]] const RigidBody2D* getBody(BodyId id) const noexcept

void setCollider(BodyId id, Collider2D c) noexcept

[[nodiscard]] std::size_t bodyCount() const noexcept

void setCellSize(float s) noexcept

void setSolverIterations(int n) noexcept

void onCollisionEnter(CollisionCallback2D cb) noexcept

void onCollisionExit(CollisionCallback2D cb) noexcept

void update(float dt) noexcept

[[nodiscard]] std::size_t lastContactCount() const noexcept

[[nodiscard]] std::optional<RaycastHit2D> raycast( const sgc::Vec2f& origin, const sgc::Vec2f& dir, float maxDist = 1e6f) const noexcept

[[nodiscard]] std::vector<BodyId> overlapCircle(const sgc::Vec2f& c, float r) const noexcept

[[nodiscard]] auto& bodies() noexcept

[[nodiscard]] const auto& bodies() const noexcept

Sourced from docs/API_CATALOG.md, auto-generated by tools/generate_api_catalog.py.