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Roblox raycast functionality is probably one of the most essential tools in your development kit, even if it feels a bit intimidating when you first start looking at the documentation. Think of it as firing an invisible, perfectly straight laser beam from one point in 3D space toward a specific direction. Once that laser hits something—a part, a terrain decoration, or a player's head—it sends back a wealth of information about exactly what it touched, where it touched it, and even the angle of the surface it hit. If you've ever wondered how a gun in a game "knows" you hit a target instantly, or how a character knows they're standing on grass versus stone to change their footstep sounds, you're looking at raycasting in action. ...