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Move from Position to Vector2

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This commit is contained in:
Lukas Klingsbo
2020-09-10 01:16:25 +02:00
parent 113e0db074
commit 5edd5f0fbd
54 changed files with 403 additions and 521 deletions
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31
lib/effects/scale_effect.dart
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@ -1,23 +1,22 @@
import 'package:flutter/animation.dart';
import 'package:meta/meta.dart';
import 'package:vector_math/vector_math_64.dart';
import 'dart:ui';
import 'dart:math';
import './effects.dart';
import '../position.dart';
double _direction(double p, double d) => (p - d).sign;
double _size(double a, double b) => (a - b).abs();
class ScaleEffect extends PositionComponentEffect {
Size size;
Vector2 size;
double speed;
Curve curve;
Size _original;
Size _diff;
final Position _dir = Position.empty();
Vector2 _original;
Vector2 _diff;
final Vector2 _dir = Vector2.zero();
ScaleEffect({
@required this.size,
@ -32,19 +31,19 @@ class ScaleEffect extends PositionComponentEffect {
void initialize(_comp) {
super.initialize(_comp);
if (!isAlternating) {
endSize = Position.fromSize(size);
endSize = size.clone();
}
_original = Size(component.width, component.height);
_diff = Size(
_size(_original.width, size.width),
_size(_original.height, size.height),
_original = component.toSize();
_diff = Vector2(
_size(_original.x, size.x),
_size(_original.y, size.y),
);
_dir.x = _direction(size.width, _original.width);
_dir.y = _direction(size.height, _original.height);
_dir.x = _direction(size.x, _original.x);
_dir.y = _direction(size.y, _original.y);
final scaleDistance = sqrt(pow(_diff.width, 2) + pow(_diff.height, 2));
final scaleDistance = sqrt(pow(_diff.x, 2) + pow(_diff.y, 2));
travelTime = scaleDistance / speed;
}
@ -53,7 +52,7 @@ class ScaleEffect extends PositionComponentEffect {
super.update(dt);
final double c = curve?.transform(percentage) ?? 1.0;
component.width = _original.width + _diff.width * c * _dir.x;
component.height = _original.height + _diff.height * c * _dir.y;
component.width = _original.x + _diff.x * c * _dir.x;
component.height = _original.y + _diff.y * c * _dir.y;
}
}