mesh_collide.c File Reference

#include <gpac/internal/mesh.h>

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Data Structures
struct	AABSplitParams

Functions
static void	update_node_bounds (GF_Mesh *mesh, AABBNode *node)
static u32	gf_vec_main_axis (SFVec3f v)
static Fixed	tri_get_center (GF_Mesh *mesh, u32 tri_idx, u32 axis)
static u32	aabb_split (GF_Mesh *mesh, AABBNode *node, u32 axis)
static void	mesh_subdivide_aabbtree (GF_Mesh *mesh, AABBNode *node, AABSplitParams *aab_par)
void	gf_mesh_build_aabbtree (GF_Mesh *mesh)
static void	ray_hit_triangle_get_u_v (GF_Ray *ray, GF_Vec *v0, GF_Vec *v1, GF_Vec *v2, Fixed *u, Fixed *v)
Bool	gf_mesh_aabb_ray_hit (GF_Mesh *mesh, AABBNode *n, GF_Ray *ray, Fixed *closest, SFVec3f *outPoint, SFVec3f *outNormal, SFVec2f *outTexCoords)
Bool	gf_mesh_intersect_ray (GF_Mesh *mesh, GF_Ray *ray, SFVec3f *outPoint, SFVec3f *outNormal, SFVec2f *outTexCoords)
static Bool	mesh_collide_triangle (GF_Ray *ray, SFVec3f *v0, SFVec3f *v1, SFVec3f *v2, Fixed *dist)
static Bool	sphere_box_overlap (SFVec3f sc, Fixed sq_rad, SFVec3f bmin, SFVec3f bmax)
Bool	gf_mesh_closest_face_aabb (GF_Mesh *mesh, AABBNode *node, SFVec3f pos, Fixed min_dist, Fixed min_sq_dist, Fixed *min_col_dist, SFVec3f *outPoint)
Bool	gf_mesh_closest_face (GF_Mesh *mesh, SFVec3f pos, Fixed min_dist, SFVec3f *outPoint)

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Data Structure Documentation

struct AABSplitParams

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Data Fields
u32	max_depth
u32	min_tri_limit
u32	split_type
u32	depth
u32	nb_nodes

Function Documentation

static void update_node_bounds ( GF_Mesh *  mesh, AABBNode *  node  )

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static u32 gf_vec_main_axis ( SFVec3f  v )

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static Fixed tri_get_center ( GF_Mesh *  mesh, u32  tri_idx, u32  axis  )

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static u32 aabb_split ( GF_Mesh *  mesh, AABBNode *  node, u32  axis  )

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static void mesh_subdivide_aabbtree ( GF_Mesh *  mesh, AABBNode *  node, AABSplitParams *  aab_par  )

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void gf_mesh_build_aabbtree

(

GF_Mesh *

mesh

)

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static void ray_hit_triangle_get_u_v ( GF_Ray *  ray, GF_Vec *  v0, GF_Vec *  v1, GF_Vec *  v2, Fixed *  u, Fixed *  v  )

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Bool gf_mesh_aabb_ray_hit	(	GF_Mesh *	mesh,
		AABBNode *	n,
		GF_Ray *	ray,
		Fixed *	closest,
		SFVec3f *	outPoint,
		SFVec3f *	outNormal,
		SFVec2f *	outTexCoords
	)

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Bool gf_mesh_intersect_ray	(	GF_Mesh *	mesh,
		GF_Ray *	ray,
		SFVec3f *	outPoint,
		SFVec3f *	outNormal,
		SFVec2f *	outTexCoords
	)

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static Bool mesh_collide_triangle ( GF_Ray *  ray, SFVec3f *  v0, SFVec3f *  v1, SFVec3f *  v2, Fixed *  dist  )

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static Bool sphere_box_overlap ( SFVec3f  sc, Fixed  sq_rad, SFVec3f  bmin, SFVec3f  bmax  )

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Bool gf_mesh_closest_face_aabb	(	GF_Mesh *	mesh,
		AABBNode *	node,
		SFVec3f	pos,
		Fixed	min_dist,
		Fixed	min_sq_dist,
		Fixed *	min_col_dist,
		SFVec3f *	outPoint
	)

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Bool gf_mesh_closest_face	(	GF_Mesh *	mesh,
		SFVec3f	pos,
		Fixed	min_dist,
		SFVec3f *	outPoint
	)

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