stagexl_particle 0.4.1

The particle emitter runtime for the StageXL library.

example/example.dart

library example01;

import 'dart:html' as html;
import 'package:stagexl/stagexl.dart';
import 'package:stagexl_particle/stagexl_particle.dart';

void main() {
  StageXL.stageOptions.renderEngine = RenderEngine.WebGL;
  StageXL.stageOptions.backgroundColor = Color.Black;

  var stage = Stage(html.querySelector('#stage'));
  var renderLoop = RenderLoop();
  renderLoop.addStage(stage);

  //-------------------------

  var particleConfig = {
    "maxParticles": 2000,
    "duration": 0,
    "lifeSpan": 0.7,
    "lifespanVariance": 0.2,
    "startSize": 16,
    "startSizeVariance": 10,
    "finishSize": 53,
    "finishSizeVariance": 11,
    "shape": "circle",
    "emitterType": 0,
    "location": {"x": 0, "y": 0},
    "locationVariance": {"x": 5, "y": 5},
    "speed": 100,
    "speedVariance": 33,
    "angle": 0,
    "angleVariance": 360,
    "gravity": {"x": 0, "y": 0},
    "radialAcceleration": 20,
    "radialAccelerationVariance": 0,
    "tangentialAcceleration": 10,
    "tangentialAccelerationVariance": 0,
    "minRadius": 0,
    "maxRadius": 100,
    "maxRadiusVariance": 0,
    "rotatePerSecond": 0,
    "rotatePerSecondVariance": 0,
    "compositeOperation": "source-over",
    "startColor": {"red": 1, "green": 0.74, "blue": 0, "alpha": 1},
    "finishColor": {"red": 1, "green": 0, "blue": 0, "alpha": 0}
  };

  var particleEmitter = ParticleEmitter(particleConfig);
  particleEmitter.setEmitterLocation(400, 300);
  stage.addChild(particleEmitter);
  stage.juggler.add(particleEmitter);

  //-------------------------

  var mouseEventListener = (MouseEvent me) {
    if (me.buttonDown) particleEmitter.setEmitterLocation(me.localX, me.localY);
  };

  var glassPlate = GlassPlate(800, 600);
  glassPlate.onMouseDown.listen(mouseEventListener);
  glassPlate.onMouseMove.listen(mouseEventListener);
  stage.addChild(glassPlate);
}