lumenapeiron.com

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Human-readable name for the variation (e.g. \"My Swirl\")."
    },
    "body": {
      "type": "string",
      "description": "JavaScript-syntax expression body, transpiled to WGSL. Receives `pos` (a 2-component vector with .x and .y) and must `return` a 2-component vector built with vec2f(x, y).\n\nUse JavaScript syntax, NOT WGSL syntax:\n  - `let r = length(pos);`   NOT  `let r: f32 = length(pos);`\n  - `vec2f(a, b)`            NOT  `vec2<f32>(a, b)`\nMultiple statements are fine. Semicolons required.\n\nAvailable: sin, cos, tan, atan2, sqrt, length, abs, floor, pow, min, max, vec2f, f32, and the constants PI and EPS. `Math.*` is NOT available — call `sqrt(x)`, not `Math.sqrt(x)`.\n\nExample: `let r = length(pos); let a = atan2(pos.y, pos.x) + r; return vec2f(r*cos(a), r*sin(a));`"
    },
    "wgslBody": {
      "type": "string",
      "description": "Deprecated alias for `body`."
    },
    "updateId": {
      "type": "string",
      "description": "Optional. If you want to overwrite an existing custom variation, provide its ID here (e.g., \"custom_e1e54335_2e3b_4431_a197_9ef33d1c0afd\"). If omitted, a new variation is created."
    }
  },
  "required": [
    "name"
  ]
}