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Support / SpriteCollection collider type polygon error

« on: February 04, 2013, 09:38:26 am »

sorry,my english is very poor.
when i make SpriteCollection
step1. create SpriteCollection, then i put pictures in.
step2. select a sprite, set Collider Type to "Polygon" and Commit.
The editor show error:

Code: [Select]

Actor::updateMassFromShapes: Compute mesh inertia tensor failed for one of the actor's mesh shapes! Please change mesh geometry or supply a tensor manually!
UnityEngine.GameObject:AddComponent()
tk2dBaseSprite:CreateCollider() (at Assets/TK2DROOT/tk2d/Code/Sprites/tk2dBaseSprite.cs:438)
tk2dBaseSprite:EditMode__CreateCollider() (at Assets/TK2DROOT/tk2d/Code/Sprites/tk2dBaseSprite.cs:498)
tk2dBaseSprite:ForceBuild() (at Assets/TK2DROOT/tk2d/Code/Sprites/tk2dBaseSprite.cs:530)
tk2dSprite:ForceBuild() (at Assets/TK2DROOT/tk2d/Code/Sprites/tk2dSprite.cs:221)
tk2dSpriteCollectionBuilder:RefreshExistingAssets(tk2dSpriteCollectionData) (at Assets/TK2DROOT/tk2d/Editor/Sprites/tk2dSpriteCollectionBuilder.cs:1178)
tk2dSpriteCollectionBuilder:Rebuild(tk2dSpriteCollection) (at Assets/TK2DROOT/tk2d/Editor/Sprites/tk2dSpriteCollectionBuilder.cs:1128)
tk2dSpriteCollectionEditorPopup:Commit() (at Assets/TK2DROOT/tk2d/Editor/Sprites/SpriteCollectionEditor/tk2dSpriteCollectionEditorPopup.cs:432)
tk2dSpriteCollectionEditorPopup:DrawToolbar() (at Assets/TK2DROOT/tk2d/Editor/Sprites/SpriteCollectionEditor/tk2dSpriteCollectionEditorPopup.cs:422)
tk2dSpriteCollectionEditorPopup:OnGUI() (at Assets/TK2DROOT/tk2d/Editor/Sprites/SpriteCollectionEditor/tk2dSpriteCollectionEditorPopup.cs:815)
UnityEditor.DockArea:OnGUI()
What's the error mean? Please help me. Thank you very much.