Math object
229
Math.invertMatrix()
Availability
Flash MX 2004.
Usage
Math.invertMatrix(
mat
)
Parameters
mat
Indicates
the
Matrix object
to invert. It must have the following fields:
a
,
b
,
c
,
d
,
tx
,
and
ty
.
Returns
A Matrix object that is the inverse of the original matrix.
Description
Method; returns the inverse of the specified matrix.
Example
The following example stores the currently selected object in the
elt
variable, assigns that matrix
to the
mat
variable, and stores the inverse of the matrix in the
inv
variable:
var elt = fl.getDocumentDOM().selection[0];
var mat = elt.matrix;
var inv = fl.Math.invertMatrix( mat );
Math.pointDistance()
Availability
Flash MX 2004.
Usage
Math.pointDistance(
pt1
,
pt2
)
Parameters
pt1
and
pt2
Specify the points between which distance is measured.
Returns
A floating-point value that represents the distance between the points.
Description
Method; computes the distance between two points.
Example
The following example stores the value for the distance between
pt1
and
pt2
in the
dist
variable:
var pt1 = {x:10, y:20}
var pt2 = {x:100, y:200}
var dist = fl.Math.pointDistance(pt1, pt2);
Содержание FLASH MX 2004-FLASH JAVASCRIPT DICTIONARY
Страница 1: ...Flash JavaScript Dictionary ...
Страница 16: ...16 Contents ...
Страница 40: ...40 Chapter 2 Top level functions ...
Страница 368: ...368 Chapter 3 Objects ...
Страница 386: ...386 Chapter 4 C Level Extensibility ...