nice solution , no trig needed :)
On Fri, Jul 16, 2010 at 4:17 PM, Darcey Lloyd <[email protected]>wrote:
> In with view.render(); I set camera.lookat(new Number3D(0,0,0));
>
> Then from MouseEvent3D took stageX,stageY,stageZ scaled the normal of this
> and tweenlite the cam x,y,z to the scaled normal x,y,z, the lookat in with
> render() handles the lookat.
>
>
> code snippets:
>
>
> //
> --------------------------------------------------------------------------------------------------------------
> private function render(e:Event=null):void
> {
> // keep camera looking at center of sphere
> camera.lookAt( new Number3D(0,0,0) );
> view.render();
> }
> //
> --------------------------------------------------------------------------------------------------------------
>
>
>
> some code inside main.as/mxml
> //
> --------------------------------------------------------------------------------------------------------------
>
> // Set location of click target primitive (not added to view)
> clickTargetPrimitive.x = e.sceneX;
> clickTargetPrimitive.y = e.sceneY;
> clickTargetPrimitive.z = e.sceneZ;
>
> // Set center cube to look at clickTargetPrimitive
> centerCube.lookAt(clickTargetPrimitive.position);
>
>
> // Tween camera to scaled face normal of clickTargetPrimitive
> var camTarget:Number3D = new Number3D();
> camTarget.scale(clickTargetPrimitive.position,0.3);
> camTarget.add(camTarget,clickTargetPrimitive.position);
> TweenLite.to( camera, 4, {
> x:camTarget.x,
> y:camTarget.y,
> z:camTarget.z,
> onComplete:rotationComplete
> });
>
>
>
> //
> --------------------------------------------------------------------------------------------------------------
> private function rotationComplete():void
> {
> // doesn't do anything once set at start of script
> stage.quality = StageQuality.BEST;
> }
> //
> --------------------------------------------------------------------------------------------------------------
>
>
>
>
>
>
>
>
>
> On 16 July 2010 13:25, Michael Iv <[email protected]> wrote:
>
>> VERY NICE!!!!, Eventually what approach used for translating the camera ?
>>
>>
>> On Fri, Jul 16, 2010 at 3:20 PM, Darcey Lloyd <[email protected]>wrote:
>>
>>> Here is the dev test so far:
>>>
>>> http://www.allforthecode.co.uk/development/away3d/sphere_dev<http://www.allforthecode.co.uk/development/away3d/sphere_dev/index.html>
>>>
>>> Still needs work but getting there, it now has:
>>>
>>> - Rotation on drag - dead zone 40px on x and y
>>> - Click rotate look at target using camera3D
>>> - Click target sceneXYZ face normal for cube tween to location
>>> - Owncanvas glow
>>> - Sphere with transparent placement png for cloud rotation
>>>
>>> nice little cpu killer, reload if the materials don't fully load, found
>>> this to be a tad unpredictable.
>>>
>>> Next up, put it all in a container, do the same with the container to
>>> allow items added to the surface of the sphere to be rotated instead of just
>>> the spheres... lol I didn't think of this while building it doh :p
>>>
>>>
>>> <http://www.allforthecode.co.uk/development/away3d/sphere_dev/index.html>
>>>
>>> On 13 July 2010 10:57, Michael Iv <[email protected]> wrote:
>>>
>>>> With some vector+ trig magic you can manage it. I would draw a normal
>>>> from the point of the sphere where clicked then scale that point to the
>>>> same distance as that of the camera from the sphere and then tween the
>>>> camera to that position.Would not use HoverCamera though , just the regular
>>>> one.
>>>>
>>>>
>>>> On Tue, Jul 13, 2010 at 3:08 AM, Darcey Lloyd
>>>> <[email protected]>wrote:
>>>>
>>>>> I am leaning towards getting rid of it also ;)
>>>>>
>>>>> I think I will just rotate the sphere on mouse click and drag which
>>>>> should save any translation, easier & quicker.
>>>>>
>>>>> D
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 13 July 2010 00:53, Peter Kapelyan <[email protected]> wrote:
>>>>>
>>>>>> Super!
>>>>>>
>>>>>> Would I be a meanie if I said forget Hovercam? It's because I don't
>>>>>> use it, and it's easy to get any working with the regular cam, plus it
>>>>>> seems
>>>>>> its giving you unneeded problems already.
>>>>>>
>>>>>> Maybe try the regular one? If you need help, let me know.
>>>>>>
>>>>>> -Pete
>>>>>>
>>>>>>
>>>>>> On Mon, Jul 12, 2010 at 7:27 PM, Darcey Lloyd <[email protected]
>>>>>> > wrote:
>>>>>>
>>>>>>> Nice one Peter, I didn't think of that lol... Had target objects
>>>>>>> created from vertices, sceneX,Y,Z etc etc but didn't do that lol
>>>>>>>
>>>>>>> I have updated url using your suggestion... Just don't drag rotate
>>>>>>> the sphere or it's chaos.
>>>>>>>
>>>>>>>
>>>>>>> http://www.allforthecode.co.uk/development/away3d/lookat_point_on_sphere/
>>>>>>>
>>>>>>> <http://www.allforthecode.co.uk/development/away3d/lookat_point_on_sphere/>
>>>>>>> Now to:
>>>>>>>
>>>>>>> 1. Work out if possible to prevent HoverCamera3D from zooming away
>>>>>>> from the object when looking at the top or bottom.
>>>>>>>
>>>>>>> 2. Work out translation of click location with HoverCamera3D pan and
>>>>>>> tilt angles.
>>>>>>>
>>>>>>> Thanks
>>>>>>>
>>>>>>> Darcey
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On 13 July 2010 00:01, Peter Kapelyan <[email protected]> wrote:
>>>>>>>
>>>>>>>> If you placed an object in the middle of the Sphere, and told that
>>>>>>>> object to lookAt the position where you clicked, shouldn't that object
>>>>>>>> have
>>>>>>>> the correct rotation? Not sure, but seems like it should work.
>>>>>>>>
>>>>>>>> -Pete
>>>>>>>>
>>>>>>>> On Mon, Jul 12, 2010 at 6:55 PM, Darcey Lloyd <
>>>>>>>> [email protected]> wrote:
>>>>>>>>
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>> I am trying to work out how to look at a point clicked on a sphere.
>>>>>>>>>
>>>>>>>>> Here is where I am at so far:
>>>>>>>>>
>>>>>>>>> http://www.allforthecode.co.uk/development/away3d/lookat_point_on_sphere/
>>>>>>>>>
>>>>>>>>> From what I gather I have two options:
>>>>>>>>>
>>>>>>>>> 1. Move the cameras position and look at an object created at the
>>>>>>>>> point
>>>>>>>>>
>>>>>>>>> or
>>>>>>>>>
>>>>>>>>> 2. Rotate the sphere
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> The problems I am having are:
>>>>>>>>>
>>>>>>>>> 1. The HoverCamera3D appears to have its position locked it's x,y,z
>>>>>>>>> cannot be modified.. or can it? I tried slapping TweenLite on its
>>>>>>>>> x,y,z
>>>>>>>>> properties and nothing happened.
>>>>>>>>>
>>>>>>>>> 2. The HoverCamera3D tends to zoom out when looking at the top and
>>>>>>>>> bottom of the sphere which makes me think the best way to do this
>>>>>>>>> would be
>>>>>>>>> to rotate the sphere to prevent the object distance change.
>>>>>>>>>
>>>>>>>>> 3. Rotating the sphere using MouseEvent3D.sceneX,sceneY,sceneZ (the
>>>>>>>>> point of click) to face the camera, I appear to be getting it look at
>>>>>>>>> 1 side
>>>>>>>>> of the sphere only.
>>>>>>>>>
>>>>>>>>> 4. I have also tried using some pythag to calculate the angle I
>>>>>>>>> need to rotate the sphere to look at the camera but using
>>>>>>>>> sceneX,sceneY,sceneZ doesn't appear to give me the values I need to
>>>>>>>>> work
>>>>>>>>> with? or do they?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Any ideas on the best way to find the angle I need to rotate a
>>>>>>>>> sphere from it's click point? sceneX,sceneY,sceneZ to look at the
>>>>>>>>> camera?
>>>>>>>>>
>>>>>>>>> Any ideas on the best way to go about this?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>>
>>>>>>>>> Darcey
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> ___________________
>>>>>>>>
>>>>>>>> Actionscript 3.0 Flash 3D Graphics Engine
>>>>>>>>
>>>>>>>> HTTP://AWAY3D.COM
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> ___________________
>>>>>>
>>>>>> Actionscript 3.0 Flash 3D Graphics Engine
>>>>>>
>>>>>> HTTP://AWAY3D.COM
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Michael Ivanov ,Programmer
>>>> Neurotech Solutions Ltd.
>>>> Flex|Air |3D|Unity|
>>>> www.neurotechresearch.com
>>>> http://blog.alladvanced.net
>>>> http://www.meetup.com/GO3D-Games-Opensource-3D/
>>>> Tel:054-4962254
>>>> [email protected]
>>>> [email protected]
>>>>
>>>>
>>>
>>
>>
>> --
>> Michael Ivanov ,Programmer
>> Neurotech Solutions Ltd.
>> Flex|Air |3D|Unity|
>> www.neurotechresearch.com
>> http://blog.alladvanced.net
>> http://www.meetup.com/GO3D-Games-Opensource-3D/
>> Tel:054-4962254
>> [email protected]
>> [email protected]
>>
>>
>
--
Michael Ivanov ,Programmer
Neurotech Solutions Ltd.
Flex|Air |3D|Unity|
www.neurotechresearch.com
http://blog.alladvanced.net
http://www.meetup.com/GO3D-Games-Opensource-3D/
Tel:054-4962254
[email protected]
[email protected]
