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Drag curve for a lifting body in steady flight. Parasitic drag, also known as profile drag, [1]: 254 [2]: 256 is a type of aerodynamic drag that acts on any object when the object is moving through a fluid. Parasitic drag is defined as the combination of form drag and skin friction drag. [3] [1]: 641–642 [4]: 19
Skin friction drag is generally expressed in terms of the Reynolds number, which is the ratio between inertial force and viscous force. Total drag can be decomposed into a skin friction drag component and a pressure drag component, where pressure drag includes all other sources of drag including lift-induced drag. [1]
The Canon Hack Development Kit (CHDK), an open source firmware for Canon cameras, uses Lua as one of two scripting languages. Celestia, the astronomy educational program, uses Lua as its scripting language. Cheat Engine, a memory editor/debugger, enables Lua scripts to be embedded in its "cheat table" files, and even includes a GUI designer.
Parasitic drag, or profile drag, is the sum of viscous pressure drag (form drag) and drag due to surface roughness (skin friction drag). Additionally, the presence of multiple bodies in relative proximity may incur so called interference drag , which is sometimes described as a component of parasitic drag.
Also, Lua is used in non-video game software, such as Adobe Lightroom, Moho, iClone, Aerospike, and some system software in FreeBSD and NetBSD, and used as a template scripting language on MediaWiki using the Scribunto extension. [28] In 2003, a poll conducted by GameDev.net showed Lua was the most popular scripting language for game ...
Therefore, the drag coefficient can often be treated as a constant. [13] For a streamlined body to achieve a low drag coefficient, the boundary layer around the body must remain attached to the surface of the body for as long as possible, causing the wake to be narrow. A high form drag results in a broad wake. The boundary layer will transition ...
Bolt was acquired by Unity Technologies in May 2020, henceforth introducing Visual Scripting in Unity Unreal Engine: C++: 1998 C++, Blueprints Yes 3D Cross-platform: Unreal series, Fortnite, Gears of War, Valorant: Proprietary: UnrealScript was removed in version 4 V-Play Game Engine: C++: QML, JavaScript: Yes 2D iOS, Android, Windows, macOS ...
Scribunto Lua reference manual; Programming in Lua; Introduction to Lua patterns; About regex. Lua "patterns" are based on Regex (Patterns are a reduced set of regex). Help:Lua metamodules: Lua in Wikipedia has several meta-modules available that can make core functions easily available.