topical media & game development
student-ar-org-papervision3d-core-geom-Vertices3D.ax
student-ar-org-papervision3d-core-geom-Vertices3D.ax
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package org.papervision3d.core.geom {
import org.papervision3d.core.culling.IObjectCuller;
import org.papervision3d.core.geom.renderables.Vertex3D;
import org.papervision3d.core.math.Matrix3D;
import org.papervision3d.core.math.Number3D;
import org.papervision3d.core.proto.GeometryObject3D;
import org.papervision3d.core.render.data.RenderSessionData;
import org.papervision3d.objects.DisplayObject3D;
* The @ax-student-ar-org-papervision3d-core-geom-Vertices3D class lets you create and manipulate groups of vertices.
*
public class @ax-student-ar-org-papervision3d-core-geom-Vertices3D extends DisplayObject3D
{
* Creates a new @ax-student-ar-org-papervision3d-core-geom-Vertices3D object.
*
*
* @param vertices An array of Vertex3D objects for the vertices of the mesh.
* <p/>
public function @ax-student-ar-org-papervision3d-core-geom-Vertices3D( vertices:Array, name:String=null )
{
super( name, new GeometryObject3D() );
this.geometry.vertices = vertices || new Array();
}
* Clones this object.
*
* @return The cloned DisplayObject3D.
public override function clone():DisplayObject3D
{
var object:DisplayObject3D = super.clone();
var verts:@ax-student-ar-org-papervision3d-core-geom-Vertices3D = new @ax-student-ar-org-papervision3d-core-geom-Vertices3D(null, object.name);
verts.material = object.material;
if(object.materials)
verts.materials = object.materials.clone();
if(this.geometry)
verts.geometry = this.geometry.clone(verts);
verts.copyTransform(this.transform);
return verts;
}
* Projects three dimensional coordinates onto a two dimensional plane to simulate the relationship of the camera to subject.
*
* This is the first step in the process of representing three dimensional shapes two dimensionally.
*
* @param camera Camera.
public override function project( parent :DisplayObject3D, renderSessionData:RenderSessionData ):Number
{
super.project( parent, renderSessionData );
if( this.culled )
return 0;
if( renderSessionData.camera is IObjectCuller )
return projectFrustum(parent, renderSessionData);
if(!this.geometry || !this.geometry.vertices)
return 0;
return renderSessionData.camera.projectVertices(this.geometry.vertices, this, renderSessionData);
}
public function projectEmpty(parent:DisplayObject3D, renderSessionData:RenderSessionData):Number{
return super.project( parent, renderSessionData );
}
*
* @param parent
* @param camera
* @param sorted
* @return
public function projectFrustum( parent :DisplayObject3D, renderSessionData:RenderSessionData ):Number
{
return 0;
}
* Calculates 3D bounding box.
*
* @return {minX, maxX, minY, maxY, minZ, maxZ}
public function boundingBox():Object
{
var vertices :Array = this.geometry.vertices;
var bBox :Object = new Object();
bBox.min = new Number3D(Number.MAX_VALUE, Number.MAX_VALUE, Number.MAX_VALUE);
bBox.max = new Number3D(-Number.MAX_VALUE, -Number.MAX_VALUE, -Number.MAX_VALUE);
bBox.size = new Number3D();
for each(var v:Vertex3D in vertices)
{
bBox.min.x = Math.min( v.x, bBox.min.x );
bBox.min.y = Math.min( v.y, bBox.min.y );
bBox.min.z = Math.min( v.z, bBox.min.z );
bBox.max.x = Math.max( v.x, bBox.max.x );
bBox.max.y = Math.max( v.y, bBox.max.y );
bBox.max.z = Math.max( v.z, bBox.max.z );
}
bBox.size.x = bBox.max.x - bBox.min.x;
bBox.size.y = bBox.max.y - bBox.min.y;
bBox.size.z = bBox.max.z - bBox.min.z;
return bBox;
}
public function transformVertices( transformation:Matrix3D ):void
{
geometry.transformVertices(transformation);
}
}}
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
