Papervision3D Proximity Grid Example

转自：http://www.duzengqiang.com/blog/post/548.html

效果：

import org.papervision3d.scenes.*;
import org.papervision3d.cameras.*;
import org.papervision3d.objects.*;
import org.papervision3d.materials.*;
import caurina.transitions.*;

// Create the container sprite
var con:Sprite = new Sprite();
con.x = stage.stageWidth * 0.5 – 300;
con.y = stage.stageHeight * 0.5 + 250;
addChild(con);

// Setup the scene
var scene:Scene3D = new Scene3D(con);
var cam:Camera3D = new Camera3D();
cam.zoom = 11;
cam.x = 250;
cam.y = 250;

// Create the planes
var pa:Array = new Array();
for(var i:uint=0; i<10; i++)
{
    for(var j:uint=0; j<10; j++)
    {
        var cm:ColorMaterial = new ColorMaterial(Math.random()*0xFFFFFF);
        cm.oneSide = false;
        var p:Plane = new Plane(cm, 50, 50);
        p.x = j * 50 + 25;
        p.y = i * 50 + 25;
        scene.addChild(p);
        pa.push({pl:p, rotY:Math.random() * 360, rotZ:Math.random() * 360, z:Math.random() * 30000});
        p.rotationY = pa[i].rotY;
        p.rotationZ = pa[i].rotZ;
        p.z = pa[i].z;
    }
}

// Create the render loop
addEventListener(Event.ENTER_FRAME, render);

function render(e:Event):void
{
    for(var i:uint; i
    {
        if(checkDist(pa[i].pl))
        {
            Tweener.addTween(pa[i].pl, {rotationY:0, rotationZ:0, z:0, time:0.3});
        }
        else
        {
            Tweener.addTween(pa[i].pl, {rotationY:pa[i].rotY, rotationZ:pa[i].rotZ, z:pa[i].z, time:3});
        }
    }
    scene.renderCamera(cam);
}

function checkDist(p:Plane):Boolean
{
    var p1:Point = new Point(p.x, p.y);
    var p2:Point = new Point(con.mouseX, -con.mouseY);
    if(Point.distance(p1, p2) < 150)
    {
        return true;
    }
    else return false;
}