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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
A keyword you may want to look into is Spline. A spline will help you define a curved line, which you should then be able to move the ball over. (If you don't want to code it yourself, maybe SplineMesh can help you out)
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