Collision - Revision history

Ben at 21:22, 13 May 2022

2022-05-13T21:22:23Z

← Older revision		Revision as of 21:22, 13 May 2022
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	'''Note''': [[Text]] doesn't have art. Text always has a rectangular collision shape determined by the approximate size of the text content.		'''Note''': [[Text]] doesn't have art. Text always has a rectangular collision shape determined by the approximate size of the text content.

	[[Solid]] actors won't overlap with other solid actors. If you want to use physics, such as [[~~Bouncy~~\|Bouncing]] and [[Friction]], or just to make sure actors can't pass through each other, make sure they use the '''Solid''' behavior by adding it from the '''Movement''' tab of the [[Inspector]].		[[Solid]] actors won't overlap with other solid actors. If you want to use physics, such as [[Bounce\|Bouncing]] and [[Friction]], or just to make sure actors can't pass through each other, make sure they use the '''Solid''' behavior by adding it from the '''Movement''' tab of the [[Inspector]].

	Text boxes created from a '''Create text box''' [[Response]] don't have a body and cannot collide.		Text boxes created from a '''Create text box''' [[Response]] don't have a body and cannot collide.

Ben at 20:05, 13 May 2022

2022-05-13T20:05:43Z

← Older revision		Revision as of 20:05, 13 May 2022
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	A '''Collision''' is an event that happens when two [[Actor\|Actors]] with bodies run into each other and try to occupy the same space. Depending on the attributes of those actors, a collision may cause them to change velocity or position (i.e. bounce off each other) or fire [[Rule\|Rules]].		A '''Collision''' is an event that happens when two [[Actor\|Actors]] with bodies run into each other and try to occupy the same space. Depending on the attributes of those actors, a collision may cause them to change [[Motion\|velocity]] or position (i.e. bounce off each other) or fire [[Rule\|Rules]].

	== Configuring collisions ==		== Configuring collisions ==

Ben: Created page with "A '''Collision''' is an event that happens when two Actors with bodies run into each other and try to occupy the same space. Depending on the attributes of those act..."

2022-05-12T23:45:19Z

Created page with "A '''Collision''' is an event that happens when two Actors with bodies run into each other and try to occupy the same space. Depending on the attributes of those act..."

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A '''Collision''' is an event that happens when two [[Actor|Actors]] with bodies run into each other and try to occupy the same space. Depending on the attributes of those actors, a collision may cause them to change velocity or position (i.e. bounce off each other) or fire [[Rule|Rules]].

== Configuring collisions ==
To make an actor collide with others, first configure its '''Collision Shape''', which is used to determine how that blueprint's actors collide. To edit the collision shape, open the [[Art]] tool for that [[Blueprint]], then select the '''Collision''' layer. The collision layer supports circles, rectangles, and triangles.

'''Note''': [[Text]] doesn't have art. Text always has a rectangular collision shape determined by the approximate size of the text content.

[[Solid]] actors won't overlap with other solid actors. If you want to use physics, such as [[Bouncy|Bouncing]] and [[Friction]], or just to make sure actors can't pass through each other, make sure they use the '''Solid''' behavior by adding it from the '''Movement''' tab of the [[Inspector]].

Text boxes created from a '''Create text box''' [[Response]] don't have a body and cannot collide.

== Running Rules when actors collide ==
Use the '''When this collides''' [[Trigger]] to perform actions when an actor collides with other actors. You can use [[Tag|Tags]] to only run the trigger for specific actors, such as '''When this collides with tag #wall'''.

In the [[Response|Responses]] underneath a '''When this collides''' trigger, you can refer to '''The colliding actor'''. For example, you can '''Tell the colliding actor''' to do something, or you can read [[Variable|Local Variables]] that belong to the colliding actor.

You can check if an actor is colliding using the '''If this is colliding''' [[Condition]].

If your actor isn't [[Solid]] then it may overlap with the colliding actor and fire the collision trigger repeatedly.