flutter/flame
1
0
Fork 0
mirror of https://github.com/flame-engine/flame.git synced 2025-11-14 03:40:21 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add hitbox to PositionComponent (#618)

Browse Source 
* Move out collision detection methods

* Add possibility to define a hull for PositionComponents

* Add example of how to use hull with tapable

* Update contains point comment

* Fix contains point

* Hull should be based on center position

* Remove collision detection parts

* Added tests

* Use percentage of size instead of absolute size

* Separate hull from PositionComponent

* Clarify hull example

* Fix formatting

* Override correct method

* Use mixin for hitbox

* Update changelog

* Rename HasHitbox to Hitbox

* Clarified names

* Center to edge is considered as 1.0

* Fix test

* Add spaces within braces

* Removed extra spaces in the braces

* Add hitbox docs

* Fix link

* Moved point rotation to Vector2 extension

* Render hitbox within extension

* Fix rebase

* Fix rebase

* Fix formatting
This commit is contained in:
Lukas Klingsbo
2021-01-20 23:39:01 +01:00
committed by GitHub
parent b92a22fe27
commit 0593e35766
13 changed files with 259 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
test/components/position_component_test.dart
View File

@@ -5,6 +5,8 @@ import 'package:test/test.dart';
class MyComponent extends PositionComponent {}
class MyHitboxComponent extends PositionComponent with Hitbox {}
void main() {
group('PositionComponent overlap test', () {
test('overlap', () {
@@ -15,7 +17,7 @@ void main() {
component.anchor = Anchor.center;
final point = Vector2(2.0, 2.0);
expect(component.checkOverlap(point), true);
expect(component.containsPoint(point), true);
});
test('overlap on edge', () {
@@ -26,7 +28,7 @@ void main() {
component.anchor = Anchor.center;
final point = Vector2(1.0, 1.0);
expect(component.checkOverlap(point), true);
expect(component.containsPoint(point), true);
});
test('not overlapping with x', () {
@@ -37,7 +39,7 @@ void main() {
component.anchor = Anchor.center;
final point = Vector2(4.0, 1.0);
expect(component.checkOverlap(point), false);
expect(component.containsPoint(point), false);
});
test('not overlapping with y', () {
@@ -48,7 +50,7 @@ void main() {
component.anchor = Anchor.center;
final point = Vector2(1.0, 4.0);
expect(component.checkOverlap(point), false);
expect(component.containsPoint(point), false);
});
test('overlapping with angle', () {
@@ -59,7 +61,7 @@ void main() {
component.anchor = Anchor.center;
final point = Vector2(3.1, 2.0);
expect(component.checkOverlap(point), true);
expect(component.containsPoint(point), true);
});
test('not overlapping with angle', () {
@@ -70,7 +72,7 @@ void main() {
component.anchor = Anchor.center;
final point = Vector2(1.0, 0.1);
expect(component.checkOverlap(point), false);
expect(component.containsPoint(point), false);
});
test('overlapping with angle and topLeft anchor', () {
@@ -81,7 +83,41 @@ void main() {
component.anchor = Anchor.topLeft;
final point = Vector2(1.0, 3.1);
expect(component.checkOverlap(point), true);
expect(component.containsPoint(point), true);
});
test('component with hitbox contains point', () {
final size = Vector2(2.0, 2.0);
final Hitbox component = MyHitboxComponent();
component.position = Vector2(1.0, 1.0);
component.anchor = Anchor.topLeft;
component.size = size;
component.shape = [
Vector2(1, 0),
Vector2(0, -1),
Vector2(-1, 0),
Vector2(0, 1),
];
final point = component.position + component.size / 4;
expect(component.containsPoint(point), true);
});
test('component with hitbox does not contains point', () {
final size = Vector2(2.0, 2.0);
final Hitbox component = MyHitboxComponent();
component.position = Vector2(1.0, 1.0);
component.anchor = Anchor.topLeft;
component.size = size;
component.shape = [
Vector2(1, 0),
Vector2(0, -1),
Vector2(-1, 0),
Vector2(0, 1),
];
final point = Vector2(1.1, 1.1);
expect(component.containsPoint(point), false);
});
});
}