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fix(engine): match CARD_ASPECT to hayeah SVG dimensions (1.4 → 1.4523)

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Cards rendered ~3.6 % squashed vertically because layout.rs assumed a
1.4 height/width ratio while the bundled hayeah/playing-cards-assets
SVGs are natively 167.087 × 242.667 (= 1.4523). The mismatch meant
every face was scaled to fit a too-short box; pip arrangements and
court-card art read slightly compressed.

Bumps CARD_ASPECT to 1.4523 to match the SVG. The vertical-budget
math in compute_layout (the height-based card_width candidate) uses
CARD_ASPECT algebraically, so the tableau-fits-on-screen check
adapts automatically — slightly smaller cards on aspect-ratio-tight
windows, no visible regression on standard 16:9.

Doc comments referencing the old 1.4 literal updated to point at
CARD_ASPECT instead so this can't drift again.

All 982 tests pass — the existing layout/test sentinel
(card_size.y / card_size.x - CARD_ASPECT) used the constant by name
and adapted for free.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
funman300
2026-05-02 01:03:12 +00:00
parent 9f095c4039
commit 13aa0fd833
1 changed files with 8 additions and 3 deletions
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solitaire_engine/src/layout.rs
+8 -3
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@@ -26,7 +26,11 @@ pub enum LayoutSystem {
pub const MIN_WINDOW: Vec2 = Vec2::new(800.0, 600.0);
/// Aspect ratio (height / width) of a standard playing card.
const CARD_ASPECT: f32 = 1.4;
///
/// Matches the bundled hayeah/playing-cards-assets SVG dimensions
/// (167.087 × 242.667 → 1.4523). Pre-v0.11 the constant was 1.4,
/// which rendered the cards ~3.6 % squashed vertically.
const CARD_ASPECT: f32 = 1.4523;
/// Fraction of card height used as vertical padding between the top row and
/// the tableau row.
@@ -59,7 +63,7 @@ pub const TABLE_COLOUR: [f32; 3] = [0.059, 0.322, 0.196];
pub struct Layout {
/// Width and height of a single card, in world units (Bevy 2D world-space).
///
/// `x` is the card width; `y` is the card height (always `x * 1.4`).
/// `x` is the card width; `y` is the card height (`x * CARD_ASPECT`).
/// All pile positions and fan offsets are derived from this value.
pub card_size: Vec2,
/// Centre position of each pile, in 2D world coordinates.
@@ -80,7 +84,8 @@ pub struct Layout {
/// column (13 face-up cards, see [`MAX_TABLEAU_CARDS`]) inside the
/// window with a bottom margin equal to `h_gap`. Limiter on tall/narrow
/// windows.
/// - `card_height = card_width * 1.4`.
/// - `card_height = card_width * CARD_ASPECT` (1.4523, matches the
/// bundled hayeah card art's natural SVG dimensions).
/// - Horizontal gap `h_gap = card_width / 4.0`.
/// - Top row (stock, waste, 4 foundations) aligns with tableau columns
/// 0, 1, 3, 4, 5, 6 — column 2 is intentionally empty to separate the