Add KHR_interactivity intro #2293
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Great work! What sections are next? Also what could we release as a draft extension for SIGGRAPH 2023? |
lexaknyazev
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| |=== | ||
| | Type | `math/pi` | Ratio of a circle's circumference to its diameter | ||
| | Output value sockets | `float value` | 3.141592653589793 | ||
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If we have Pi, we should also have Tau. https://tauday.com/tau-manifesto The value Tau is the circle constant (equal to 2*Pi, or rather, Pi is half of Tau). Using Tau usually results in more readable code. Tau is supported in many programming languages such as C#, Java, Python, GDScript, Rust, Unreal Blueprints, and more, so it's useful for interoperability with other languages, especially Unreal Blueprints which is conceptually similar.
===== Tau
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| Type | `math/tau` | The circle constant, the circumference of the unit circle in radians.
| Output value sockets | `float value` | 6.2831853071795862
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| | `T value` | The custom variable value | ||
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| This node gets a custom variable value using the variable index provided by the `variable` configuration value. The type `T` is determined by the referenced variable. The variable index **MUST** be non-negative and less than the total number of custom variables, otherwise the node is invalid. |
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Why are variables accessed by index instead of by name? It would make more sense to me to set a variable called "money" than one called 27.
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