I haven't debugged your code, (that would be your job :)) )
but made quick test class using latest 3.5 to test class itself, all seams fine
to me.
I would check if the mouse coordinates are correct in your case.
Fabrice
package{
import flash.display.*;
import flash.events.*;
import away3d.containers.Scene3D;
import away3d.containers.View3D;
import away3d.core.base.Object3D;
import away3d.core.render.*;
import away3d.cameras.HoverCamera3D;
import away3d.events.MouseEvent3D;
import away3d.primitives.Sphere;
import away3d.tools.Drag3D;
public class Drag3DTest extends Sprite
{
public var scene:Scene3D;
private var view:View3D;
private var drag3d:Drag3D;
private var cameraDistance:Number = 3000;
private var Hcamera:HoverCamera3D;
private var move:Boolean = false;
private var lastPanAngle:Number;
private var lastTiltAngle:Number;
private var lastMouseX:Number;
private var lastMouseY:Number;
public function Drag3DTest()
{
addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event):void
{
initSWFEnvironement();
populate();
}
private function initSWFEnvironement():void
{
stage.align = StageAlign.TOP_LEFT;
stage.scaleMode = StageScaleMode.NO_SCALE;
stage.stageFocusRect = false;
Hcamera = new HoverCamera3D();
view = new View3D({camera:Hcamera});
scene = view.scene;
view.x = stage.stageWidth * .5;
view.y = stage.stageHeight * .5;
Hcamera.distance = cameraDistance;
Hcamera.tiltAngle = Hcamera.panAngle = 45;
addChild(view);
//scene.addChild(new Trident(1000, true));
start();
}
public function start():void
{
if(!hasEventListener(Event.ENTER_FRAME)){
addEventListener(Event.ENTER_FRAME,
refreshScreen);
stage.addEventListener(MouseEvent.MOUSE_DOWN,
onMouseIsDown);
stage.addEventListener(MouseEvent.MOUSE_UP, onMouseIsUp);
stage.addEventListener(Event.RESIZE, onResize);
}
}
private function populate():void
{
var _debugPrimitive:Sphere = new Sphere({radius:50,
material:null});
scene.addChild(_debugPrimitive);
drag3d = new Drag3D(view);
drag3d.plane = "xz";
drag3d.debug = true;
drag3d.object3d = _debugPrimitive;
Hcamera.hover(true);
}
private function refreshScreen(event:Event = null):void
{
if (move) {
Hcamera.panAngle = 0.7*(stage.mouseX -
lastMouseX) + lastPanAngle;
Hcamera.tiltAngle = 0.7*(stage.mouseY -
lastMouseY) + lastTiltAngle;
}
Hcamera.hover();
drag3d.updateDrag();
view.render();
}
private function onResize(event:Event):void
{
view.x = stage.stageWidth *.5;
view.y = stage.stageHeight *.5;
}
private function onMouseIsDown(event:MouseEvent):void
{
lastPanAngle = Hcamera.panAngle;
lastTiltAngle = Hcamera.tiltAngle;
lastMouseX = stage.mouseX;
lastMouseY = stage.mouseY;
move = true;
stage.addEventListener(Event.MOUSE_LEAVE,
onStageMouseLeave);
}
private function onMouseIsUp(event:MouseEvent):void
{
move = false;
stage.removeEventListener(Event.MOUSE_LEAVE, onStageMouseLeave);
}
private function onStageMouseLeave(event:Event):void
{
move = false;
stage.removeEventListener(Event.MOUSE_LEAVE, onStageMouseLeave);
}
}
}
On Jun 1, 2010, at 1:08 AM, abowman wrote:
> I tried calling the onResize function at the beginning of my init
> function and that didn't solve the problem.
>
>
>
> On May 31, 4:54 pm, Fabrice3D <[email protected]> wrote:
>> looked very quickly at your code,
>> since class caches few values to spare calcs, try call resize(); before you
>> do setup the class.
>>
>> let me know how it goes, I will in case it doesn't fix your issue, try your
>> class tomorrow.
>>
>> also one detail, camera is standard of type Camera3D
>> so view.camera.x, y, z is enough, no need to declare one.
>>
>> Fabrice
>>
>> On May 31, 2010, at 6:09 PM, abowman wrote:
>>
>>> Thanks for the class Fabrice.
>>
>>> For some reason, when I move the mouse the sphere I'm dragging doesn't
>>> stay under the mouse.
>>
>>> http://abowman.nozonenet.com/away3d/dragTest.swf
>>> http://abowman.nozonenet.com/away3d/DragTest.as
>>
>>> What do I need to do to fix this?
>>
>>> Thanks
>>
>>> On May 21, 4:49 am, Fabrice3D <[email protected]> wrote:
>>>> Hi all,
>>>> I get many requests about this and I keep sending code...
>>
>>>> So I've added a new class dedicated to this particular functionality.
>>>> Drag3D. in tools.utils package
>>
>>>> you can use it to drag an object or just to get the intersection back.
>>
>>>> here an example of implementation
>>
>>>> import away3d.tools.utils.Drag3D
>>>> [... usual away code...]
>>>> private var drag3d:Drag3D;
>>
>>>> private function setUp():void
>>>> {
>>>> //the object you want to drag
>>>> var _debugPrimitive:Sphere = new
>>>> Sphere({radius:50, material:null});
>>>> this.scene.addChild(_debugPrimitive);
>>
>>>> //declare instance
>>>> drag3d = new Drag3D(this.view);
>>>> //which plane do you want to drag on
>>>> // note here that plane != Plane primitive!!
>>>> drag3d.plane = "xz";
>>>> // in case you want to check what you are doing
>>>> //drag3d.debug = true;
>>>> // to assign an object to be dragged
>>>> drag3d.object3d = _debugPrimitive;
>>>> }
>>
>>>> private function myEnterFrame(event:Event = null):void
>>>> {
>>>> //will update the object automatically on mouse
>>>> moves
>>>> drag3d.updateDrag(); // its is of course handy to
>>>> couple this with mouseEvents, like "if mouseisdown --> drag"
>>
>>>> // in case you want only the positionintersectback
>>>> varintersect:Number3D = drag3d.getIntersect();
>>
>>>> this.view.render();
>>>> }
>>
>>>> next to 0,0,0 default, there are also options for custom positions of
>>>> plane, in case of AABB tests and even support for rotated planes
>>>> if you want object aligned calcs...
>>
>>>> here a little tech demohttp://www.closier.nl/playground/drag/drag3d.swf
>>
>>>> cheers,
>>
>>>> Fabrice
>>
>>
