Freecamera no Movement only rotation

[Vijay Kumar]

Hi,

I am using Freecamera for my scene,

i want to rotate ,i don`t want to move

how can i restrict the movement only rotation has to work.

[Boz]

With the FreeCamera object, you can define the keys used for the translation movement (up, down, left & right).

Set it to an empty array if you do not want the user to move :

var camera = new BABYLON.FreeCamera("camera", new BABYLON.Vector3.Zero(), scene);
camera.keysDown = camera.keysLeft = camera.keysRight = camera.keysUp = [];

 

[Vijay Kumar]

Thanks Pouet ,

its working.

in the same way if i want to move but i want to restrict rotation then?

 

[Boz]

I don't know what do you plan to do with these cameras

•  If you want to have only rotation, you can empty your keys arrays as I said, but you can also use another camera, ArcRotateCamera :

// ArcRotateCamera >> Camera rotating around a 3D point (here Vector zero)
// Parameters : name, alpha, beta, radius, target, scene
var arcCamera = new BABYLON.ArcRotateCamera("ArcRotateCamera", 1, 0.8, 10, new BABYLON.Vector3(0, 0, 0), scene);
arcCamera.setPosition(new BABYLON.Vector3(0, 0, 50));
arcCamera.target = new BABYLON.Vector3(3, 0, 0);

The ArcRotateCamera has one goal : rotate around a pivot point . Define this pivot trough camera.target.

 

• If you want to have only translation movements with keyboard (no rotation), this is a strange behavior. You will always face your scene from the same angle, for example you can not look back, so there is no defined property to disable rotation. Maybe anyone else could help on this point.

[Boz]

General and useful information about all different cameras : http://doc.babylonjs.com/tutorials/05._Cameras

[Vijay Kumar]

Thanks Pouet for the information.

 

[Temechon]

On 23/2/2016 at 11:17 AM, Vijay Kumar said:

in the same way if i want to move but i want to restrict rotation then?

Like this : 

http://www.babylonjs-playground.com/#1B1Z28#1

[Vijay Kumar]

Thanks everyone i cant say more than this.

when ever i got stuck you people are really helping me.that too immediately thanks

 

[Wingnut]

Hi guys

I could be wrong, but this...     =>       ...symbol (in line 31 of Temechon's demo)... might not work in IE.  *shrug*

I don't know the story on that thing, but it failed when I was testing a mousewheel-active version of Temechon's demo.

I think I got the mousewheel working, in FF and IE:   http://www.babylonjs-playground.com/#1B1Z28#3

Just simple +/- Z-axis adjusting on the free camera.  Nothing fancy, and nobody asked for it.  I was just curious if I could do it. 

kbye