The SceneGraph3D Description Language

Index

transformation

Derived from:

TransformNode3D

Class name:

Spinner3D

Placement:

Anywhere

Description:

This special dynamic transformation represents a time-variable rotation around a user-specified axis.

Special notes:

Inherited attributes:

name, active, visible

New attributes:

attribute	type	description
axis	VEC3	The axis of rotation direction (rotation is relative to (0,0,0) in the local coordinate system)
period	FLOAT	The period of rotation
repeats	FLOAT	Number of complete rotations. Zero for infinite rotation.
start_angle	FLOAT	The initial angular offset of rotation.

Events:

event name	condition
-	-

Inherited events:

New messages:

attribute	value	description
start	-	Start the animation.
stop	-	Stop and reset the animation.
pause	-	Pause (but not reset) the animation.
repeats	FLOAT	Same as the corresponding attribute.
period	FLOAT	Same as the corresponding attribute.

Inherited messages:

active, visible, hide, show, deactivate, enable, activate, disable

Redefined messages:

Obsolete messages:

transation, scale, rotation

Example

<world ambient_occlusion="ssao" bloom="yes" shadows="disk" 
       ao_radius="6" ambient="0.3 0.3 0.3" defocus="yes">
   
    <eventmessage event="init" recipient="handle_spin" message="start"></eventmessage>

    <camera name="first_person" apperture="50.0" 
            focal_distance ="30.0" focal_range="30.0"
            near="2.0" far="1000" follow="Myself" primary="true">
    </camera> 

    <transformation rotation="0,1,0,0" scale="1,1,1" translation="0,322,0">
       <spinner name="handle_spin" period="3.0" repeats="0" axis="1,0,0">
          <object file="Fan_Handle.obj"/>
       </spinner>
    </transformation>
 
    <user name="Myself" control="navigate" speed="2.0" turn="0.5 freeroll="false" 
          position="0,50,50" lookat="0,0,-10" input="Console">
    </user>

    <input name="Console" type="mousekeyboard">
    </input>
    
</world>

Last update: 24 Feb. 2010