14 #ifndef PHYSXUTILLIB_H
15 #define PHYSXUTILLIB_H
39 bool box_contains_point(
const PhysxBox &box,
const LPoint3f &p);
41 LVector3f compute_box_world_edge_normal(
const PhysxBox &box,
unsigned int edge_index);
45 void set_fpu_exceptions(
bool b);
46 void set_fpu_precision24();
47 void set_fpu_precision53();
48 void set_fpu_precision64();
49 void set_fpu_rounding_chop();
50 void set_fpu_rounding_down();
51 void set_fpu_rounding_near();
52 void set_fpu_rounding_up();
53 int int_ceil(
const float &f);
54 int int_chop(
const float &f);
55 int int_floor(
const float &f);
56 float compute_distance_squared(
const PhysxRay &ray,
const LPoint3f &point);
57 float compute_square_distance(
const PhysxSegment &seg,
const LPoint3f &point);
59 void normal_to_tangents(
const LVector3f &n, LVector3f &t1, LVector3f &t2);
60 LMatrix3f find_rotation_matrix(
const LVector3f &x,
const LVector3f &b);
61 float compute_sphere_mass(
float radius,
float density);
62 float compute_sphere_density(
float radius,
float mass);
63 float compute_box_mass(
const LVector3f &extents,
float density);
64 float compute_box_density(
const LVector3f &extents,
float mass);
65 float compute_ellipsoid_mass(
const LVector3f &extents,
float density);
66 float compute_ellipsoid_density(
const LVector3f &extents,
float mass);
67 float compute_cylinder_mass(
float radius,
float length,
float density);
68 float compute_cylinder_density(
float radius,
float length,
float mass);
69 float compute_cone_mass(
float radius,
float length,
float density);
70 float compute_cone_density(
float radius,
float length,
float mass);
71 LVector3f compute_box_inertia_tensor(
float mass,
float xlength,
float ylength,
float zlength);
72 LVector3f compute_sphere_inertia_tensor(
float mass,
float radius,
bool hollow);
73 bool box_box_intersect(
const LVector3f &extents0,
const LPoint3f ¢er0,
const LMatrix3f &rotation0,
const LVector3f &extents1,
const LPoint3f ¢er1,
const LMatrix3f &rotation1,
bool full_test);
74 bool tri_box_intersect(
const LPoint3f &vertex0,
const LPoint3f &vertex1,
const LPoint3f &vertex2,
const LPoint3f ¢er,
const LVector3f &extents);
75 bool ray_plane_intersect(
const PhysxRay &ray,
const PhysxPlane &plane, LPoint3f &point_on_plane);
76 bool ray_sphere_intersect(
const LPoint3f &origin,
const LVector3f &dir,
float length,
const LPoint3f ¢er,
float radius, LPoint3f &hit_pos);
77 bool segment_box_intersect(
const LPoint3f &p1,
const LPoint3f &p2,
const LPoint3f &bbox_min,
const LPoint3f &bbox_max, LPoint3f &intercept);
78 bool ray_aabb_intersect(
const LPoint3f &min,
const LPoint3f &max,
const LPoint3f &origin,
const LVector3f &dir, LPoint3f &coord);
79 bool segment_obb_intersect(
const LPoint3f &p0,
const LPoint3f &p1,
const LPoint3f ¢er,
const LVector3f &extents,
const LMatrix3f &rot);
80 bool segment_aabb_intersect(
const LPoint3f &p0,
const LPoint3f &p1,
const LPoint3f &min,
const LPoint3f &max);
81 bool ray_obb_intersect(
const PhysxRay &ray,
const LPoint3f ¢er,
const LVector3f &extents,
const LMatrix3f &rot);
82 unsigned int ray_capsule_intersect(
const LPoint3f &origin,
const LVector3f &dir,
const PhysxCapsule &capsule);
83 bool swept_spheres_intersect(
const PhysxSphere &sphere0,
const LVector3f &velocity0,
const PhysxSphere &sphere1,
const LVector3f &velocity1);
84 bool ray_tri_intersect(
const LPoint3f &orig,
const LVector3f &dir,
const LPoint3f &vert0,
const LPoint3f &vert1,
const LPoint3f &vert2, LVector3f &hit,
bool cull);
85 bool sweep_box_capsule(
const PhysxBox &box,
const PhysxCapsule &lss,
const LVector3f &dir,
float length, LVector3f &normal);
86 bool sweep_box_sphere(
const PhysxBox &box,
const PhysxSphere &sphere,
const LVector3f &dir,
float length, LVector3f &normal);
87 bool sweep_capsule_capsule(
const PhysxCapsule &lss0,
const PhysxCapsule &lss1,
const LVector3f &dir,
float length, LPoint3f &ip, LVector3f &normal);
88 bool sweep_sphere_capsule(
const PhysxSphere &sphere,
const PhysxCapsule &lss,
const LVector3f &dir,
float length, LPoint3f &ip, LVector3f &normal);
89 bool sweep_box_box(
const PhysxBox &box0,
const PhysxBox &box1,
const LVector3f &dir,
float length, LPoint3f &ip, LVector3f &normal);
90 float point_obb_sqr_dist(
const LPoint3f &point,
const LPoint3f ¢er,
const LVector3f &extents,
const LMatrix3f &rot, LPoint3f ¶ms);
Represention of a axis aligned bounding box.
Represents an oriented bounding box, as a center point, extents(radii) and a rotation.
Represents an ray as an origin and direction.
Represents a line segment.
Represents a sphere defined by its center point and radius.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.