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resize methods

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This commit is contained in:
feroult
2017-12-04 23:15:42 -02:00
parent 5735e70fbf
commit b86cf57e1b
5 changed files with 56 additions and 41 deletions
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34
lib/components/parallax_component.dart
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@ -1,11 +1,11 @@
import 'dart:async';
import 'dart:ui';
import 'component.dart';
import '../flame.dart';
import 'package:flutter/src/painting/images.dart';
import '../flame.dart';
import 'component.dart';
class ParallaxRenderer {
String filename;
Future future;
@ -23,7 +23,7 @@ class ParallaxRenderer {
});
}
bool get loaded => image != null;
bool loaded() => image != null;
void render(Canvas canvas, Rect rect) {
if (image == null) {
@ -50,11 +50,11 @@ class ParallaxComponent extends PositionComponent {
final BASE_SPEED = 30;
final LAYER_DELTA = 40;
List<ParallaxRenderer> layers = new List();
Size size;
List<ParallaxRenderer> _layers = new List();
Size _size;
bool _loaded = false;
ParallaxComponent(this.size);
ParallaxComponent(this._size);
/**
* Loads the images defined by this list of filenames. All images
@ -64,9 +64,9 @@ class ParallaxComponent extends PositionComponent {
*/
void load(List<String> filenames) {
var futures =
filenames.fold(new List<Future>(), (List<Future> result, filename) {
filenames.fold(new List<Future>(), (List<Future> result, filename) {
var layer = new ParallaxRenderer(filename);
layers.add(layer);
_layers.add(layer);
result.add(layer.future);
return result;
});
@ -76,7 +76,7 @@ class ParallaxComponent extends PositionComponent {
}
void updateScroll(int layerIndex, scroll) {
layers[layerIndex].scroll = scroll;
_layers[layerIndex].scroll = scroll;
}
@override
@ -98,8 +98,8 @@ class ParallaxComponent extends PositionComponent {
void _drawLayers(Canvas canvas) {
Rect rect = new Rect.fromPoints(
new Offset(0.0, 0.0), new Offset(size.width, size.height));
layers.forEach((layer) {
new Offset(0.0, 0.0), new Offset(_size.width, _size.height));
_layers.forEach((layer) {
layer.render(canvas, rect);
});
}
@ -109,13 +109,13 @@ class ParallaxComponent extends PositionComponent {
if (!this.loaded()) {
return;
}
for (var i = 0; i < layers.length; i++) {
var scroll = layers[i].scroll;
scroll += (BASE_SPEED + i * LAYER_DELTA) * delta / size.width;
for (var i = 0; i < _layers.length; i++) {
var scroll = _layers[i].scroll;
scroll += (BASE_SPEED + i * LAYER_DELTA) * delta / _size.width;
if (scroll > 1) {
scroll = scroll % 1;
}
layers[i].scroll = scroll;
_layers[i].scroll = scroll;
}
}
}
}