FX Playground
From Roll20 Wiki
{
"maxParticles": 2000, "size": 40, "sizeRandom": 2, "lifeSpan": 600, "lifeSpanRandom": 300, "emissionRate": 25.0, "speed": 10, "speedRandom": 0, "gravity": [0.01, 0.01], "angle": 0, "angleRandom":30, "startColour": [6, 6, 6, 1], "startColourRandom": [255, 255, 260, 1], "endColour": [1, 1, 1, 0], "endColourRandom": [60,60,60,100], "sharpness": 45, "sharpnessRandom": 0
}