First defined in: FKiSS2
The collide event makes a comparison based on the individual
pixels of the two targets. If any pixel for target1 overlaps a a
pixel for target2 and no pixels previously overlapped, this event
will occur.
This event may be triggered by the user picking up an object and dropping it
somewhere else or by FKiSS movement.
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Since pixel-by-pixel comparison is more task-intensive,
only use this event to react to collision-detection when pixel-collision
detection is necessary.
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Only one collide event should exist for any
target1-target2 pair.
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target1
In FKiSS2 to FKiSS3, target1 must be a cel.
In FKiSS4, target1 may be an object number, cel, or group.
target2
In FKiSS2 to FKiSS3, target2 must be a cel.
In FKiSS4, target2 may be an object number, cel, or group.
Example:
;@ collide("this.cel", "that.cel") ; When any pixel in "this.cel" overlaps any pixel in "that.cel"...
;@ sound("bell.wav") ; Play a sound.