Type Number Event preCollision Revision 2017.3060 Keywords preCollision, y See also event.x
The y position where the pre-collision event occurred. Note that the reported collision position can be influenced by physics.getAverageCollisionPositions() and physics.setReportCollisionsInContentCoordinates().
local function onPreCollision( event ) print( "position: " .. event.x .. "," .. event.y ) end