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onCollisionEnd callbacks for Collidable and HitboxShape (#792)

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* Add onCollisionEnd for HitboxShape and Collidable

* Add tests for collision callbacks

* Detect multiple collsions with same collidable in test

* Remove unused import

* Break out duplicated code

* Fix formatting

* Use correct hash set

* Update examples/lib/stories/collision_detection/multiple_shapes.dart

Co-authored-by: Erick <erickzanardoo@gmail.com>

* Update examples/lib/stories/collision_detection/multiple_shapes.dart

Co-authored-by: Erick <erickzanardoo@gmail.com>

* Use hashValues instead of _combineHashCodes

* hashValues is order dependent so we need to sort the objects first

* Add section about onCollisionEnd

* Fix missed hashValues

* Use xor instead of hashValues

* Update examples/lib/stories/collision_detection/collision_detection.dart

Co-authored-by: Luan Nico <luanpotter27@gmail.com>

Co-authored-by: Erick <erickzanardoo@gmail.com>
Co-authored-by: Luan Nico <luanpotter27@gmail.com>
This commit is contained in:
Lukas Klingsbo
2021-05-18 16:21:49 +02:00
committed by GitHub
parent 52a0239ab5
commit e4281d6471
11 changed files with 253 additions and 35 deletions
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14
examples/lib/stories/collision_detection/collision_detection.dart
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@ -6,6 +6,19 @@ import 'circles.dart';
import 'multiple_shapes.dart';
import 'only_shapes.dart';
const basicInfo = '''
An example with many hitboxes that move around on the screen and during
collisions they change color depending on what it is that they have collided
with.
The snowman, the component built with three circles on top of each other, works
a little bit differently than the other components to show that you can have
multiple hitboxes within one component.
On this example, you can "throw" the components by dragging them quickly in any
direction.
''';
void addCollisionDetectionStories(Dashbook dashbook) {
dashbook.storiesOf('Collision Detection')
..add(
@ -17,6 +30,7 @@ void addCollisionDetectionStories(Dashbook dashbook) {
'Multiple shapes',
(_) => GameWidget(game: MultipleShapes()),
codeLink: baseLink('collision_detection/multiple_shapes.dart'),
info: basicInfo,
)
..add(
'Shapes without components',