quill 0.1.2+1

A lightweight game engine, that keeps your game simple by only using feathers and quills!

example/lib/main.dart

import 'package:quill/quill.dart';
import 'dart:ui';
import 'dart:math';

void main() async {
  new QuillEngine(new Application())..start();
}

class Application extends Feather {
  Sprite _user;
  Sprite _quill;
  int _userDirection = 0;
  @override
  void init() {
    super.init();

    _user = new Sprite()
      ..initWithColor(const Color(0xFFFF0000))
      ..setPosition(0.0, -284.0)
      ..setSize(100.0, 100.0);

    Texture quillTexture = new Texture('quill.png');
    Rect quillSource = new Rect.fromLTWH(0.0, 0.0, 239.0, 239.0);
    _quill = new Sprite()
      ..initWithTexture(quillTexture, source: quillSource)
      ..setPosition(0.0, 0.0)
      ..setSize(110.0, 110.0);

    addFeather('user', _user);
    addFeather('quill', _quill);

    _userDirection = 0;
  }

  @override
  void input(Event event) {
    if (event.isTouchdown) {
      _userDirection++;
      if (_userDirection > 3) {
        _userDirection = 0;
      }
    }
  }

  @override
  void update(Time time) {
    double speed = 100.0 * time.elapsedSeconds;
    switch (_userDirection) {
      case 0:
        _user.position.y += speed;
        break;
      case 1:
        _user.position.x -= speed;
        break;
      case 2:
        _user.position.y -= speed;
        break;
      case 3:
        _user.position.x += speed;
        break;
    }

    if (_user.bottom < Context.height / -2) {
      _user.position.y = Context.height / 2 + _user.halfHeight;
    } else if (_user.top > Context.height / 2) {
      _user.position.y = Context.height / -2 - _user.halfHeight;
    } else if (_user.right < Context.width / -2) {
      _user.position.x = Context.width / 2 + _user.halfWidth;
    } else if (_user.left > Context.width / 2) {
      _user.position.x = Context.width / -2 - _user.halfWidth;
    }
    //} else if (_user.left < Context.width / -2) {
    //  _user.position.x = Context.width / -2;
    //} else if (_user.right > Context.width / 2) {
    //  _user.position.x = Context.width / 2;
    //}
  }
}