Simple ECS implementation

A small entity-component-system project was made as a demo for my upcoming game. Important things to note: Entity: simple unique ID which is an integer.Component: sets of data grouped together. System: process logic based on entities components information. All of these properties have manager classes. They are grouped by a thin wrapper at the end, which functions as a minimal engine.Event: ways for systems to communicate. For eg. an entity touched the ground, Collision system would process and ...