ludic/docs/language/ivec2/ivec2-make.md
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feat(types): IVec2 + Rect 2D value types (#1)
Phase 1 of the fuller type-system proposal: two by-value spatial types
that lower to packed integers (no heap, copy like scalars).

- IVec2 — integer 2D vector, a pair of int packed into one i64, for tile
  and grid coordinates: make/zero/x/y/add/sub/scale/dot, the grid distance
  manhattan, equal, and to_vector (widen into the fixed-point Vector).
- Rect — axis-aligned rectangle, four Q16.16 fixed components packed into
  one i128, for HUD boxes and hitboxes: make/x/y/w/h, the derived
  right/bottom/center, and the contains (point) / intersects (overlap) tests.

Both are exact and deterministic, bit-identical on every platform. Vector
and Color already cover phase 1's other 2D primitives.

Wired end to end: emit_core llty (IVec2->i64, Rect->i128), emit_call
dispatch, the FRAGS list + reseeded seed, a selfhost test (types2d),
per-symbol docs + type pages + inventory, and the vocabulary/editor sync
(header, JetBrains, TextMate, LSP).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-31 18:29:41 +03:00

528 B

id name category kind tokens sig tip order ns member
ivec2-make IVec2.make ivec2 namespace-method IVec2.make IVec2.make(x, y) -> IVec2 Build an integer vector from x and y components. 0 IVec2 make

Builds an IVec2 from its integer x and y components. This is the usual way to name a tile or grid cell; read the parts back with IVec2.x and IVec2.y.

program Demo {
  handler Step phase Update {
    let cell = IVec2.make(4, 7)
  }
}