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Diffstat (limited to '3rdparty/bgfx/examples/common/bounds.h')
-rw-r--r-- | 3rdparty/bgfx/examples/common/bounds.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/3rdparty/bgfx/examples/common/bounds.h b/3rdparty/bgfx/examples/common/bounds.h deleted file mode 100644 index aea395df780..00000000000 --- a/3rdparty/bgfx/examples/common/bounds.h +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Copyright 2011-2018 Branimir Karadzic. All rights reserved. - * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause - */ - -#ifndef BOUNDS_H_HEADER_GUARD -#define BOUNDS_H_HEADER_GUARD - -#include <bx/math.h> - -struct Aabb -{ - bx::Vec3 m_min; - bx::Vec3 m_max; -}; - -struct Cylinder -{ - bx::Vec3 m_pos; - bx::Vec3 m_end; - float m_radius; -}; - -struct Capsule -{ - bx::Vec3 m_pos; - bx::Vec3 m_end; - float m_radius; -}; - -struct Cone -{ - bx::Vec3 m_pos; - bx::Vec3 m_end; - float m_radius; -}; - -struct Disk -{ - bx::Vec3 m_center; - bx::Vec3 m_normal; - float m_radius; -}; - -struct Obb -{ - float m_mtx[16]; -}; - -struct Plane -{ - bx::Vec3 m_normal; - float m_dist; -}; - -struct Ray -{ - bx::Vec3 m_pos; - bx::Vec3 m_dir; -}; - -struct Sphere -{ - bx::Vec3 m_center; - float m_radius; -}; - -struct Tris -{ - bx::Vec3 m_v0; - bx::Vec3 m_v1; - bx::Vec3 m_v2; -}; - -struct Hit -{ - bx::Vec3 m_pos; - bx::Vec3 m_normal; - float m_dist; -}; - -/// Convert axis aligned bounding box to oriented bounding box. -void aabbToObb(Obb& _obb, const Aabb& _aabb); - -/// Convert oriented bounding box to axis aligned bounding box. -void toAabb(Aabb& _aabb, const Obb& _obb); - -/// Convert sphere to axis aligned bounding box. -void toAabb(Aabb& _aabb, const Sphere& _sphere); - -/// Convert disk to axis aligned bounding box. -void toAabb(Aabb& _aabb, const Disk& _disk); - -/// Convert cylinder to axis aligned bounding box. -void toAabb(Aabb& _aabb, const Cylinder& _cylinder); - -/// Calculate axis aligned bounding box. -void toAabb(Aabb& _aabb, const void* _vertices, uint32_t _numVertices, uint32_t _stride); - -/// Transform vertices and calculate axis aligned bounding box. -void toAabb(Aabb& _aabb, const float* _mtx, const void* _vertices, uint32_t _numVertices, uint32_t _stride); - -/// Expand AABB. -void aabbExpand(Aabb& _aabb, float _factor); - -/// Expand AABB with xyz. -void aabbExpand(Aabb& _aabb, const float* _pos); - -/// Calculate surface area of axis aligned bounding box. -float calcAreaAabb(const Aabb& _aabb); - -/// Returns 0 is two AABB don't overlap, otherwise returns flags of overlap -/// test. -uint32_t aabbOverlapTest(const Aabb& _aabb0, const Aabb& _aabb1); - -/// Calculate oriented bounding box. -void calcObb(Obb& _obb, const void* _vertices, uint32_t _numVertices, uint32_t _stride, uint32_t _steps = 17); - -/// Calculate maximum bounding sphere. -void calcMaxBoundingSphere(Sphere& _sphere, const void* _vertices, uint32_t _numVertices, uint32_t _stride); - -/// Calculate minimum bounding sphere. -void calcMinBoundingSphere(Sphere& _sphere, const void* _vertices, uint32_t _numVertices, uint32_t _stride, float _step = 0.01f); - -/// Returns 6 (near, far, left, right, top, bottom) planes representing frustum planes. -void buildFrustumPlanes(Plane* _planes, const float* _viewProj); - -/// Returns point from 3 intersecting planes. -bx::Vec3 intersectPlanes(const Plane& _pa, const Plane& _pb, const Plane& _pc); - -/// Make screen space ray from x, y coordinate and inverse view-projection matrix. -Ray makeRay(float _x, float _y, const float* _invVp); - -/// Intersect ray / AABB. -bool intersect(const Ray& _ray, const Aabb& _aabb, Hit* _hit = NULL); - -/// Intersect ray / OBB. -bool intersect(const Ray& _ray, const Obb& _obb, Hit* _hit = NULL); - -/// Intersect ray / cylinder. -bool intersect(const Ray& _ray, const Cylinder& _cylinder, Hit* _hit = NULL); - -/// Intersect ray / capsule. -bool intersect(const Ray& _ray, const Capsule& _capsule, Hit* _hit = NULL); - -/// Intersect ray / cone. -bool intersect(const Ray& _ray, const Cone& _cone, Hit* _hit = NULL); - -/// Intersect ray / disk. -bool intersect(const Ray& _ray, const Disk& _disk, Hit* _hit = NULL); - -/// Intersect ray / plane. -bool intersect(const Ray& _ray, const Plane& _plane, Hit* _hit = NULL); - -/// Intersect ray / sphere. -bool intersect(const Ray& _ray, const Sphere& _sphere, Hit* _hit = NULL); - -/// Intersect ray / triangle. -bool intersect(const Ray& _ray, const Tris& _triangle, Hit* _hit = NULL); - -#endif // BOUNDS_H_HEADER_GUARD |