geomUtils.Obb Class

Module: cc Parent Module: cc

obb

Index

Properties

• type number
• center Vec3 The center of the local coordinate.
• halfExtents Vec3 Half the length, width, and height.
• orientation Mat3 Direction matrix.

Methods

• create create a new obb
• clone clone a new obb
• copy copy the values from one obb to another
• fromPoints create a new obb from two corner points
• set Set the components of a obb to the given values
• getBoundary Get the bounding points of this shape
• transform Transform this shape
• translateAndRotate Transform out based on this obb data.
• setScale Scale out based on this obb data.

Details

Properties

type

center

The center of the local coordinate.

halfExtents

Half the length, width, and height.

orientation

Direction matrix.

Methods

create

create a new obb

Parameters

• cx Number X coordinates of the shape relative to the origin.
• cy Number Y coordinates of the shape relative to the origin.
• cz Number Z coordinates of the shape relative to the origin.
• hw Number Obb is half the width.
• hh Number Obb is half the height.
• hl Number Obb is half the Length.
• ox_1 Number Direction matrix parameter.
• ox_2 Number Direction matrix parameter.
• ox_3 Number Direction matrix parameter.
• oy_1 Number Direction matrix parameter.
• oy_2 Number Direction matrix parameter.
• oy_3 Number Direction matrix parameter.
• oz_1 Number Direction matrix parameter.
• oz_2 Number Direction matrix parameter.
• oz_3 Number Direction matrix parameter.

clone

clone a new obb

Parameters

• a Obb The target of cloning.

copy

copy the values from one obb to another

Parameters

• out Obb Obb that accepts the operation.
• a Obb Obb being copied.

fromPoints

create a new obb from two corner points

Parameters

• out Obb Obb that accepts the operation.
• minPos Vec3 The smallest point of obb.
• maxPos Vec3 Obb's maximum point.

set

Set the components of a obb to the given values

Parameters

• cx Number X coordinates of the shape relative to the origin.
• cy Number Y coordinates of the shape relative to the origin.
• cz Number Z coordinates of the shape relative to the origin.
• hw Number Obb is half the width.
• hh Number Obb is half the height.
• hl Number Obb is half the Length.
• ox_1 Number Direction matrix parameter.
• ox_2 Number Direction matrix parameter.
• ox_3 Number Direction matrix parameter.
• oy_1 Number Direction matrix parameter.
• oy_2 Number Direction matrix parameter.
• oy_3 Number Direction matrix parameter.
• oz_1 Number Direction matrix parameter.
• oz_2 Number Direction matrix parameter.
• oz_3 Number Direction matrix parameter.

getBoundary

Get the bounding points of this shape

Parameters

• minPos Vec3
• maxPos Vec3

transform

Transform this shape

Parameters

• m Mat4 The transformation matrix.
• pos Vec3 The position part of the transformation.
• rot Quat The rotating part of the transformation.
• scale Vec3 The scaling part of the transformation.
• out Obb Target of transformation.

translateAndRotate

Transform out based on this obb data.

Parameters

• m Mat4 The transformation matrix.
• rot Quat The rotating part of the transformation.
• out Obb Target of transformation.

setScale

Scale out based on this obb data.

Parameters

• scale Vec3 Scale value.
• out Obb Scaled target.