B2.WorldManifold
From GiderosMobile
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Supported platforms: 
Available since: Gideros 2012.09.6
Description
Contains information about contact relative to the world.
Examples
Checking collisions from bottom using b2.Contact
local isTouchingGround = false
world:addEventListener(Event.BEGIN_CONTACT, function(e)
local manifold = e.contact:getWorldManifold()
if manifold.normal.y > 0.9 then
--collision came from bottom
isTouchingGround = true
end
end)
world:addEventListener(Event.END_CONTACT, function(e)
local manifold = e.contact:getWorldManifold()
if manifold.normal.y < 0.1 then
--collision ended from bottom
isTouchingGround = false
end
end)
Example content of b2.WorldManifold
[normal] => Table {
{
[y] => -1
[x] => 0
}
[points] => Table {
{
[1] => Table {
{
[y] => 319.92502212524
[x] => 99.999997615814
}
}
Methods |
EventsConstants |
