World:setCallbacks
| Available since LÖVE 0.8.0 |
| This method is not supported in earlier versions. |
Sets functions for the collision callbacks during the world update.
Four Lua functions can be given as arguments. The value nil removes a function.
When called, each function will be passed three arguments. The first two arguments are the colliding fixtures and the third argument is the Contact between them. The PostSolve callback additionally gets the normal and tangent impulse for each contact point.
Contents
Function
Synopsis
World:setCallbacks( beginContact, endContact, preSolve, postSolve )
Arguments
function beginContact- Gets called when two fixtures begin to overlap.
function endContact- Gets called when two fixtures cease to overlap.
function preSolve- Gets called before a collision gets resolved.
function postSolve- Gets called after the collision has been resolved.
Returns
Nothing.
| Removed in LÖVE 0.8.0 |
| This method is not supported in that and later versions. |
Set functions to be called when shapes collide.
Four Lua functions can be given as arguments. The value nil can be given for events that are uninteresting.
When called, each function will be passed three arguments. The first two arguments (one for each shape) will pass data that has been set with Shape:setData (or nil). The third argument passes the Contact between the two shapes.
Note: Using Shape:destroy when there is an active remove callback can lead to a crash. It is possible to work around this issue by only destroying object that are not in active contact with anything.
Function
Synopsis
World:setCallbacks( add, persist, remove, result )
Arguments
function add- Called when two shapes first collide.
function persist- Called each frame, if collision lasts more than 1 frame.
function remove- Called when two shapes finish colliding.
function result- Called after a collision has been calculated. Note: This callback is not properly bound in LOVE at the time of writing, as a result, this callback does not get called, nor do proper arguments get passed for it.
Returns
Nothing.
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