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Collision Size Model Offset

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Aug 18, 2009
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Another crazy find:

I wanted to attach a model to a unit's origin and could not use a special effect because I wanted to be able to scale it independently ingame, so chose a dummy unit instead. Then I wondered why the centering of the two models did not quite perfectly match although the coordinates were the same.

Apparently, a collision size of >= 16 slightly shifts a unit's model to the left bottom. But it's so marginal that you may not notice it unless you have the direct comparison.

See the attached map, press esc to create two units on (256;0) and (-256;0) that object-editor-wise only differ in their collision sizes.
 

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