{ "emissionRate": 0.4, "maxParticles": 400, "particleSize": 0.3, "biasX": 0.3, "emissionPoints": [ ], "speedRange": [0.5, 2.0], "zSpeedRange": [1.0, 3.0], "scaleRange": [0.8, 1.2], "lifeTimeRange": [300.0, 500.0], "texture": "resources/spark.png", "shaderProgramName": "spark" }