{"id":"dolphin.lightlab--DolphinLightRoughness","name":"DolphinLightRoughness","owner":"dolphin","package":"dolphin.lightlab","kind":"function","signature":"external DolphinLightRoughness(int material) returns float","description":"Dolphin light roughness.","context":"Build bounded lighting experiments with geometry, visibility, transport, film, and GPU/CPU contracts.","parameters":[{"name":"material","type":"int","description":"Supply material as int."}],"returns":"float","members":[],"tags":["cpu","dolphin","dolphin.lightlab","function","lightlab","source-example"],"updated":"2026-09-09","source":{"repository":"dolphin","path":"packages/lightlab/src/transport.yh","line":45,"sha256":"bc741924a5c25f24d5d168baa7ff6aa2b2a957540a52d9feead1a0809d0e84e6"},"status":"source-declared","notes":["Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup."],"examples":[{"id":"usage","title":"Use DolphinLightRoughness","description":"A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.","code":"using dolphin.lightlab\n\n// Build bounded lighting experiments with geometry, visibility, transport, film, and GPU/CPU contracts.\nint material = 1\nfloat result = DolphinLightRoughness(material)\nConsole.Log(Text.From(result))\n","manifest":"manifestVersion = \"2\"\npackage = \"api.example.dolphin_lightlab__dolphinlightroughness\"\nversion = \"0.1.0\"\nlanguageEdition = \"yeho-core-2026.1\"\n\n[app]\nkind = \"headless\"\n\n[[dependencies]]\npackage = \"dolphin.lightlab\"\nversion = \"0.1.0\"\npath = \"../../../dolphin/packages/lightlab\"\n\n[[dependencies]]\npackage = \"dolphin.materials\"\nversion = \"0.1.0\"\npath = \"../../../dolphin/packages/materials\"\n\n[[dependencies]]\npackage = \"dolphin.math\"\nversion = \"0.1.0\"\npath = \"../../../dolphin/packages/math\"\n\n[[dependencies]]\npackage = \"dolphin.spatial3d\"\nversion = \"0.1.0\"\npath = \"../../../dolphin/packages/spatial3d\"\n","tags":["cpu","source-example"],"verification":"type checked","run":"cpu-oracle","sha256":"e89c64f52cefeba66e4cb8506e1860103399f678d6dad17f9c183234f6b1ccc8","checked":"2026-09-09","diagnostic":"","observedOutput":null,"checkedBackend":null}],"searchTerms":[],"url":"https://demonhunterlabs.com/academy/api?item=dolphin.lightlab--DolphinLightRoughness","json":"https://demonhunterlabs.com/reference/items/dolphin.lightlab--DolphinLightRoughness.json","markdown":"https://demonhunterlabs.com/reference/text/dolphin.lightlab--DolphinLightRoughness.md"}