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Unify examples structure (#1118)
* Animations, CameraAndViewport, CollisionDetection and Components unified * Added descriptions to effects * Rename input games * Unify input stories * Add info to parallax section * Added descriptions to the rendering examples * Add descriptions to the sprites directory * Fix utils and rendering section * Add descriptions to the widgets section * Delete directory that rebase brought back * Unify game names * Added some styleguide docs for examples * Fix analyze issues * All files should have _example as suffix * Made the FollowComponentExample a bit easier to understand * Change priority of ember
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60
examples/lib/stories/input/mouse_cursor_example.dart
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60
examples/lib/stories/input/mouse_cursor_example.dart
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import 'package:flame/extensions.dart';
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import 'package:flame/game.dart';
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import 'package:flame/input.dart';
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import 'package:flame/palette.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/widgets.dart';
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class MouseCursorExample extends FlameGame with MouseMovementDetector {
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static const String description = '''
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Example showcasing the ability to change the game cursor in runtime
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hover the little square to see the cursor changing
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''';
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static const speed = 200;
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static final Paint _blue = BasicPalette.blue.paint();
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static final Paint _white = BasicPalette.white.paint();
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static final Vector2 objSize = Vector2.all(150);
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Vector2 position = Vector2(100, 100);
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Vector2? target;
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bool onTarget = false;
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@override
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void onMouseMove(PointerHoverInfo info) {
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target = info.eventPosition.game;
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}
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Rect _toRect() => position.toPositionedRect(objSize);
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@override
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void render(Canvas canvas) {
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super.render(canvas);
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canvas.drawRect(
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_toRect(),
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onTarget ? _blue : _white,
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);
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}
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@override
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void update(double dt) {
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super.update(dt);
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final target = this.target;
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if (target != null) {
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final hovering = _toRect().contains(target.toOffset());
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if (hovering) {
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if (!onTarget) {
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//Entered
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mouseCursor.value = SystemMouseCursors.grab;
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}
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} else {
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if (onTarget) {
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// Exited
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mouseCursor.value = SystemMouseCursors.move;
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}
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}
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onTarget = hovering;
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}
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}
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}
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