geomUtils.intersect Class

Module: cc

Index

Methods

• ray_cast Check whether ray intersect with nodes
• ray_plane ray-plane intersect
• line_plane line-plane intersect
• ray_triangle ray-triangle intersect
• line_triangle line-triangle intersect
• line_quad line-quad intersect
• ray_sphere ray-sphere intersect
• ray_aabb ray-aabb intersect
• ray_obb ray-obb intersect
• aabb_aabb aabb-aabb intersect
• aabb_obb aabb-obb intersect
• aabb_plane aabb-plane intersect
• aabb_frustum aabb-frustum intersect, faster but has false positive corner cases
• aabb_frustum_accurate aabb-frustum intersect, handles most of the false positives correctly
• obb_point obb-point intersect
• obb_plane obb-plane intersect
• obb_frustum obb-frustum intersect, faster but has false positive corner cases
• obb_frustum_accurate obb-frustum intersect, handles most of the false positives correctly
• obb_obb obb-obb intersect
• sphere_plane phere-plane intersect, not necessarily faster than obb-plane...
• sphere_frustum sphere-frustum intersect, faster but has false positive corner cases
• sphere_frustum_accurate sphere-frustum intersect, handles the false positives correctly
• sphere_sphere sphere-sphere intersect
• sphere_aabb sphere-aabb intersect
• sphere_obb sphere-obb intersect
• resolve The intersection detection of g1 and g2 can fill in the shape in the basic geometry.

Details

Methods

ray_cast

Check whether ray intersect with nodes

Parameters

• root Node If root is null, then traversal nodes from scene node
• worldRay geomUtils.Ray
• handler Function
• filter Function

ray_plane

ray-plane intersect

Parameters

• ray geomUtils.Ray
• plane geomUtils.Plane

line_plane

line-plane intersect

Parameters

• line geomUtils.Line
• plane geomUtils.Plane

ray_triangle

ray-triangle intersect

Parameters

• ray geomUtils.Ray
• triangle geomUtils.Triangle
• doubleSided boolean

line_triangle

line-triangle intersect

Parameters

• line geomUtils.Line
• triangle geomUtils.Triangle
• outPt Vec3 optional, The intersection point

line_quad

line-quad intersect

Parameters

• p Vec3 A point on a line segment
• q Vec3 Another point on the line segment
• a Vec3 Quadrilateral point a
• b Vec3 Quadrilateral point b
• c Vec3 Quadrilateral point c
• d Vec3 Quadrilateral point d
• outPt Vec3 optional, The intersection point

ray_sphere

ray-sphere intersect

Parameters

• ray geomUtils.Ray
• sphere geomUtils.Sphere

ray_aabb

ray-aabb intersect

Parameters

• ray geomUtils.Ray
• aabb geomUtils.Aabb Align the axis around the box

ray_obb

ray-obb intersect

Parameters

• ray geomUtils.Ray
• obb geomUtils.Obb Direction box

aabb_aabb

aabb-aabb intersect

Parameters

• aabb1 geomUtils.Aabb Axis alignment surrounds box 1
• aabb2 geomUtils.Aabb Axis alignment surrounds box 2

aabb_obb

aabb-obb intersect

Parameters

• aabb geomUtils.Aabb Align the axis around the box
• obb geomUtils.Obb Direction box

aabb_plane

aabb-plane intersect

Parameters

• aabb geomUtils.Aabb Align the axis around the box
• plane geomUtils.Plane

aabb_frustum

aabb-frustum intersect, faster but has false positive corner cases

Parameters

• aabb geomUtils.Aabb Align the axis around the box
• frustum geomUtils.Frustum

aabb_frustum_accurate

aabb-frustum intersect, handles most of the false positives correctly

Parameters

• aabb geomUtils.Aabb Align the axis around the box
• frustum geomUtils.Frustum

obb_point

obb-point intersect

Parameters

• obb geomUtils.Obb Direction box
• point geomUtils.Vec3

obb_plane

obb-plane intersect

Parameters

• obb geomUtils.Obb Direction box
• plane geomUtils.Plane

obb_frustum

obb-frustum intersect, faster but has false positive corner cases

Parameters

• obb geomUtils.Obb Direction box
• frustum geomUtils.Frustum

obb_frustum_accurate

obb-frustum intersect, handles most of the false positives correctly

Parameters

• obb geomUtils.Obb Direction box
• frustum geomUtils.Frustum

obb_obb

obb-obb intersect

Parameters

• obb1 geomUtils.Obb Direction box1
• obb2 geomUtils.Obb Direction box2

sphere_plane

phere-plane intersect, not necessarily faster than obb-plane
due to the length calculation of the plane normal to factor out
the unnomalized plane distance

Parameters

• sphere geomUtils.Sphere
• plane geomUtils.Plane

sphere_frustum

sphere-frustum intersect, faster but has false positive corner cases

Parameters

• sphere geomUtils.Sphere
• frustum geomUtils.Frustum

sphere_frustum_accurate

sphere-frustum intersect, handles the false positives correctly

Parameters

• sphere geomUtils.Sphere
• frustum geomUtils.Frustum

sphere_sphere

sphere-sphere intersect

Parameters

• sphere0 geomUtils.Sphere
• sphere1 geomUtils.Sphere

sphere_aabb

sphere-aabb intersect

Parameters

• sphere geomUtils.Sphere
• aabb geomUtils.Aabb

sphere_obb

sphere-obb intersect

Parameters

• sphere geomUtils.Sphere
• obb geomUtils.Obb

resolve

The intersection detection of g1 and g2 can fill in the shape in the basic geometry.

Parameters

• g1 Unknown Geometry 1
• g2 Unknown Geometry 2
• outPt Unknown optional, Intersection point. (note: only partial shape detection with this return value)