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Adding more methods to Position and PositionComponent, and also more tests.

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This commit is contained in:
Luan Nico
2018-03-17 10:32:19 -03:00
parent f886466d6b
commit e1db34ad49
4 changed files with 106 additions and 10 deletions
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28
lib/components/component.dart
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@ -29,6 +29,26 @@ abstract class PositionComponent extends Component {
double x = 0.0, y = 0.0, angle = 0.0;
double width = 0.0, height = 0.0;
Position get position => new Position(x, y);
void set position(Position position) {
this.x = position.x;
this.y = position.y;
}
Position get size => new Position(width, height);
void set size(Position size) {
this.width = size.x;
this.height = size.y;
}
Rect get rect => new Rect.fromLTWH(x, y, width, height);
void set rect(Rect rect) {
this.x = rect.left;
this.y = rect.top;
this.width = rect.width;
this.height = rect.height;
}
double angleBetween(PositionComponent c) {
return (atan2(c.x - this.x, this.y - c.y) - PI / 2) % (2 * PI);
}
@ -45,14 +65,6 @@ abstract class PositionComponent extends Component {
canvas.rotate(angle);
canvas.translate(-width/2, -height/2);
}
Position toPosition() {
return new Position(x, y);
}
Rect toRect() {
return new Rect.fromLTWH(x, y, width, height);
}
}
class SpriteComponent extends PositionComponent {