Difference between revisions of "Fixture:setFilterData"
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Groups, categories, and mask can be used to define the collision behaviour of the fixture. | Groups, categories, and mask can be used to define the collision behaviour of the fixture. | ||
| − | If two fixtures are in the same group they either always collide if the group is positive, or never collide if it's negative. | + | If two fixtures are in the same group they either always collide if the group is positive, or never collide if it's negative. If the group is zero or they do not match, then the contact filter checks if the fixtures select a category of the other fixture with their masks. The fixtures do not collide if that's not the case. If they do have each other's categories selected, the return value of the custom contact filter will be used. They always collide if none was set. |
There can be up to 16 categories. Categories and masks are encoded as the bits of a 16-bit integer. | There can be up to 16 categories. Categories and masks are encoded as the bits of a 16-bit integer. | ||
Revision as of 18:28, 11 May 2016
| Available since LÖVE 0.8.0 |
| This method is not supported in earlier versions. |
Sets the filter data of the fixture.
Groups, categories, and mask can be used to define the collision behaviour of the fixture.
If two fixtures are in the same group they either always collide if the group is positive, or never collide if it's negative. If the group is zero or they do not match, then the contact filter checks if the fixtures select a category of the other fixture with their masks. The fixtures do not collide if that's not the case. If they do have each other's categories selected, the return value of the custom contact filter will be used. They always collide if none was set.
There can be up to 16 categories. Categories and masks are encoded as the bits of a 16-bit integer.
Function
Synopsis
Fixture:setFilterData( categories, mask, group )
Arguments
number categories- The categories as an integer from 0 to 65535.
number mask- The mask as an integer from 0 to 65535.
number group- The group as an integer from -32768 to 32767.
Returns
Nothing.
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