Adobe Extending Flash Professional CS5 Manual de usuario descargar pdf (Pagina 74)

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101

EXTENDING FLASH PROFESSIONAL

Contour object

Last updated 5/2/2011

contour.getHalfEdge()

Availability

Flash MX 2004.

Usage

contour.getHalfEdge()

Parameters

None.

Returns

A HalfEdge object.

Description

Method; returns a HalfEdge object on the contour of the selection.

Example

This example traverses all the contours of the selected shape and shows the coordinates of the vertices in the Output

panel:

// with a shape selected

var elt = fl.getDocumentDOM().selection[0];

elt.beginEdit();

var contourArray = elt.contours;

var contourCount = 0;

for (i=0;i<contourArray.length;i++)

{

var contour = contourArray[i];

contourCount++;

var he = contour.getHalfEdge();

var iStart = he.id;

var id = 0;

while (id != iStart)

{

// Get the next vertex.

var vrt = he.getVertex();

var x = vrt.x;

var y = vrt.y;

fl.trace("vrt: " + x + ", " + y);

he = he.getNext();

id = he.id;

}

elt.endEdit();

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Adobe Extending Flash Professional CS5 Manual de usuario Pagina 74

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