Difference between revisions of "B2.World:queryAABB"
From GiderosMobile
| Line 8: | Line 8: | ||
(table) = b2.World:queryAABB(minx,miny,maxx,maxy) | (table) = b2.World:queryAABB(minx,miny,maxx,maxy) | ||
</source> | </source> | ||
| − | '''minx''': (number) the minimal x coordinate of the query box | + | === Parameters === |
| − | '''miny''': (number) the minimal y coordinate of the query box | + | '''minx''': (number) the minimal x coordinate of the query box <br/> |
| − | '''maxx''': (number) the maximal x coordinate of the query box | + | '''miny''': (number) the minimal y coordinate of the query box <br/> |
| − | '''maxy''': (number) the maximal y coordinate of the query box | + | '''maxx''': (number) the maximal x coordinate of the query box <br/> |
| + | '''maxy''': (number) the maximal y coordinate of the query box <br/> | ||
| + | === Return values === | ||
'''Returns''' (table) Indexed array of fixtures that potentially overlaps the provided AABB<br/> | '''Returns''' (table) Indexed array of fixtures that potentially overlaps the provided AABB<br/> | ||
| + | === Examples === | ||
| + | '''Query specific area for bodies'''<br/> | ||
| + | <source lang="lua">--get all fixtures in this area | ||
| + | local fixtures = world:queryAABB(0, 0, 100, 10) | ||
| + | --check if there are any fixture | ||
| + | if #fixtures > 0 then | ||
| + | for i = 1, #fixtures do | ||
| + | --getting body of fixture | ||
| + | local body = fixtures[i]:getBody() | ||
| + | end | ||
| + | end</source> | ||
Revision as of 11:37, 23 August 2018
Available since: Gideros 2011.6
Description
Query the world for all fixtures that potentially overlap the provided AABB.
(table) = b2.World:queryAABB(minx,miny,maxx,maxy)
Parameters
minx: (number) the minimal x coordinate of the query box
miny: (number) the minimal y coordinate of the query box
maxx: (number) the maximal x coordinate of the query box
maxy: (number) the maximal y coordinate of the query box
Return values
Returns (table) Indexed array of fixtures that potentially overlaps the provided AABB
Examples
Query specific area for bodies
--get all fixtures in this area
local fixtures = world:queryAABB(0, 0, 100, 10)
--check if there are any fixture
if #fixtures > 0 then
for i = 1, #fixtures do
--getting body of fixture
local body = fixtures[i]:getBody()
end
end
