[COLLADA 2.0 Controller] instance_controller

 

instance_controller

• Introduction

  • CILLADA controller resource의 예시 혹은 구체화.

 

• Concepts

  • <instance_controller> 엘리먼트는 <controller> 엘리먼트로 묘사된 오브젝트를 인스턴티에이트한다. controller 오브젝트는 부모 <node>의 지역(local) 좌표에 의해 구체화 되고 위치, 원점, 스케일이 결정된다. controller는 skinning animation이나 morphing animation에 의한 meshes의 변형을 허가한다.
  • COLLADA의 instance elements의 세부를 위하여 Chapter 3: Schema Concepts의 "instantiation and External Referencing"을 읽어보라.

 

• Attribute

  • sid      sid_type
  • name      xs:token
  • url      xs:anyURI      The URI of the location of the <controller> element to instantiate.

 

• Related Elements

  • parent elements   :    node
  • other   :   controller

  • Child elements

    • <skeleton>      : 필요한 joint노드의 시작을 위한 skin controller를 가리킴
    • <bind_material>
    • <extra>

 

• Details

  • Here is an example of an <instance_controller> element that refers to a locally defined <controller> element identified as “skin.”The instance is translated some distance from the original:

    <library_controllers>

    <controller id="skin"/>

    </library_controllers>

    <node id="skel"/>

    ...

    </node>

    <node>

    <translate>11.0 12.0 13.0</translate>

    <instance_controller url="#skin"/>

    <skeleton>#skel</skeleton>

    </instance_controller>

    </node>
    

  • The following is an Example of two <instance_controller> elements that refer to the same locally defined <controller> element identified as “skin".The two skin instances are bound to different instances of a skeleton using the <skeleton> element:

    <library_controllers>

    <controller id="skin">

    <skin source="#base_mesh">

    <source id="Joints">

    <Name_array count="4"> Root Spine1 Spine2 Head </Name_array>

    ...

    </source>

    <source id="Weights"/>

    <source id="Inv_bind_mats"/>

    <joints>

    <input source="#Joints" semantic="JOINT"/>

    </joints>

    <vertex_weights/>

    </skin>

    </controller>

    </library_controllers>

    <library_nodes>

    <node id="Skeleton1" sid="Root">

    <node sid="Spine1">

    <node sid="Spine2">

    <node sid="Head"/>

    </node>

    </node>

    </node>

    </library_nodes>

    <node id="skel01">

    <instance_node url="#Skeleton1"/>

    </node>

    <node id="skel02">

    <instance_node url="#Skeleton1"/>

    </node>

    <node>

    <instance_controller url="#skin"/>

    <skeleton>#skel01</skeleton>

    </instance_controller>

    </node>

    <node>

    <instance_controller url="#skin"/>

    <skeleton>#skel02</skeleton>

    </instance_controller>

    </node>

    
    

 

 

 

 

 

 

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