0.1.0-0-pre.11-fix.3
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@@ -1,5 +1,5 @@
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# file: Cargo.toml
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# version: 23
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# version: 24
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[workspace]
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resolver = "3"
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@@ -17,7 +17,7 @@ members = [
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]
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[workspace.package]
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version = "0.1.0-0-pre.11.fix.2"
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version = "0.1.0-0-pre.11.fix.3"
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edition = "2024"
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license = "MIT"
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repository = "https://git.sasedev.com/Sasedev/games"
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@@ -1,5 +1,5 @@
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// file: crates/engines/engine-v1-sdl/src/runtime.rs
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// version: 8
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// version: 9
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/// Minimal SDL3 runtime used by Desktop and Android POC runners.
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pub struct SdlRuntime {
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@@ -39,6 +39,7 @@ impl SdlRuntime {
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std::result::Result::Err(error) => return std::result::Result::Err(error.to_string()),
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};
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let mut runner = engine_v1_common::FixedStepRunner::new(self.frame_duration);
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let mut gesture_start: Option<engine_v1_common::PointerState> = None;
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let mut pointer = engine_v1_common::PointerState::inactive();
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tracing::info!(title = %self.title, width = self.width, height = self.height, "SDL3 runtime started");
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'running: loop {
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@@ -61,11 +62,14 @@ impl SdlRuntime {
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},
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sdl3::event::Event::MouseButtonDown { mouse_btn: sdl3::mouse::MouseButton::Left, x, y, .. } => {
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pointer = normalize_mouse_pointer(&canvas, true, x, y);
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gesture_start = Some(pointer);
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input = input.with_pointer(pointer).with_action(engine_v1_common::GameAction::Primary, true);
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input = apply_pointer_direction(input, pointer);
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},
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sdl3::event::Event::MouseButtonUp { mouse_btn: sdl3::mouse::MouseButton::Left, x, y, .. } => {
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pointer = normalize_mouse_pointer(&canvas, false, x, y);
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let released = normalize_mouse_pointer(&canvas, false, x, y);
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input = apply_swipe_direction(input, gesture_start, released);
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gesture_start = None;
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pointer = released;
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input = input.with_pointer(pointer);
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},
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sdl3::event::Event::MouseMotion { x, y, .. } if pointer.active() => {
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@@ -74,14 +78,22 @@ impl SdlRuntime {
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},
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sdl3::event::Event::FingerDown { x, y, .. } => {
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pointer = engine_v1_common::PointerState::normalized(true, x, y);
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gesture_start = Some(pointer);
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input = input.with_pointer(pointer).with_action(engine_v1_common::GameAction::Primary, true);
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input = apply_pointer_direction(input, pointer);
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},
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sdl3::event::Event::FingerMotion { x, y, .. } => {
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pointer = engine_v1_common::PointerState::normalized(true, x, y);
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input = input.with_pointer(pointer);
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},
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sdl3::event::Event::FingerUp { x, y, .. } | sdl3::event::Event::FingerCanceled { x, y, .. } => {
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sdl3::event::Event::FingerUp { x, y, .. } => {
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let released = engine_v1_common::PointerState::normalized(false, x, y);
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input = apply_swipe_direction(input, gesture_start, released);
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gesture_start = None;
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pointer = released;
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input = input.with_pointer(pointer);
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},
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sdl3::event::Event::FingerCanceled { x, y, .. } => {
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gesture_start = None;
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pointer = engine_v1_common::PointerState::normalized(false, x, y);
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input = input.with_pointer(pointer);
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},
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@@ -134,9 +146,23 @@ fn render_scene(canvas: &mut sdl3::render::WindowCanvas, scene: engine_v1_common
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return std::result::Result::Ok(());
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}
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fn apply_pointer_direction(mut input: engine_v1_common::InputState, pointer: engine_v1_common::PointerState) -> engine_v1_common::InputState {
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let horizontal = pointer.x() - 0.5;
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let vertical = pointer.y() - 0.5;
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const SWIPE_DIRECTION_THRESHOLD: f32 = 0.04;
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fn apply_swipe_direction(
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mut input: engine_v1_common::InputState,
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start: Option<engine_v1_common::PointerState>,
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end: engine_v1_common::PointerState,
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) -> engine_v1_common::InputState {
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let start = match start {
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Some(value) => value,
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None => return input,
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};
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let horizontal = end.x() - start.x();
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let vertical = end.y() - start.y();
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let dominant = horizontal.abs().max(vertical.abs());
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if dominant < SWIPE_DIRECTION_THRESHOLD {
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return input;
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}
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if horizontal.abs() >= vertical.abs() {
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if horizontal < 0.0 {
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input = input.with_action(engine_v1_common::GameAction::Left, true);
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@@ -150,3 +176,7 @@ fn apply_pointer_direction(mut input: engine_v1_common::InputState, pointer: eng
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}
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return input;
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}
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#[cfg(test)]
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#[path = "../unit_tests/swipe.rs"]
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mod swipe_tests;
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27
crates/engines/engine-v1-sdl/unit_tests/swipe.rs
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27
crates/engines/engine-v1-sdl/unit_tests/swipe.rs
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@@ -0,0 +1,27 @@
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// file: crates/engines/engine-v1-sdl/unit_tests/swipe.rs
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// version: 1
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fn pointer(x: f32, y: f32) -> engine_v1_common::PointerState {
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return engine_v1_common::PointerState::normalized(true, x, y);
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}
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#[test]
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fn short_gesture_does_not_emit_direction() {
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let input = super::apply_swipe_direction(engine_v1_common::InputState::none(), Some(pointer(0.5, 0.5)), pointer(0.52, 0.51));
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assert!(!input.is_active(engine_v1_common::GameAction::Left));
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assert!(!input.is_active(engine_v1_common::GameAction::Right));
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assert!(!input.is_active(engine_v1_common::GameAction::Up));
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assert!(!input.is_active(engine_v1_common::GameAction::Down));
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}
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#[test]
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fn horizontal_swipe_uses_dominant_axis() {
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let input = super::apply_swipe_direction(engine_v1_common::InputState::none(), Some(pointer(0.7, 0.5)), pointer(0.2, 0.55));
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assert!(input.is_active(engine_v1_common::GameAction::Left));
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}
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#[test]
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fn vertical_swipe_uses_dominant_axis() {
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let input = super::apply_swipe_direction(engine_v1_common::InputState::none(), Some(pointer(0.5, 0.8)), pointer(0.55, 0.2));
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assert!(input.is_active(engine_v1_common::GameAction::Up));
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}
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117
deltas/0.1.0/0-pre.11.fix.3.md
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117
deltas/0.1.0/0-pre.11.fix.3.md
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@@ -0,0 +1,117 @@
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<!-- file: deltas/0.1.0/0-pre.11.fix.3.md -->
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<!-- version: 1 -->
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# Delta 0.1.0-0-pre.11.fix.3
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## Base
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Base déclarée : `0.1.0-0-pre.11.fix.2`, techniquement propre mais contrôle tactile Snake jugé insuffisant lors du smoke Android.
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## Problème observé
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Le mapping directionnel basé sur la position absolue du tap par rapport au centre est fonctionnel mais peu naturel pour Snake.
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Un tap peut facilement produire une direction involontaire et le joueur doit viser une zone plutôt qu'exprimer directement la direction souhaitée.
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## Correctif
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Snake utilise désormais un geste de swipe reconnu dans `engine-v1-sdl`.
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### Début
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`MouseButtonDown` ou `FingerDown` mémorise l'origine du geste.
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L'impulsion `Primary` reste émise sur `Down`, afin que Reflex conserve son comportement.
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### Mouvement
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`MouseMotion` et `FingerMotion` mettent à jour `PointerState` sans émettre de direction.
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### Fin
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`MouseButtonUp` ou `FingerUp` calcule le déplacement normalisé depuis l'origine.
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La direction est produite uniquement si l'amplitude dominante atteint :
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```text
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0.04
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```
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L'axe dominant sélectionne :
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```text
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Left
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Right
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Up
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Down
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```
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Un tap ou micro-mouvement ne change donc pas la direction.
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`FingerCanceled` annule le geste sans produire d'action.
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## Tests
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Trois tests ciblés vérifient :
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- qu'un geste trop court n'émet aucune direction ;
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- qu'un swipe horizontal choisit l'axe horizontal ;
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- qu'un swipe vertical choisit l'axe vertical.
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## Validation
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```bash
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cargo fmt --all
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cargo fmt --all -- --check
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python3 scripts/audit_rust_workspace_rules.py
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python3 scripts/audit_markdown_tables.py README.md RULES.md ROADMAP.md CHANGELOG.md docs prompts crates Android deltas history
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cargo check --workspace
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cargo clippy --workspace --all-targets --all-features -- -D warnings
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cargo test -p engine-v1-sdl --all-targets --all-features
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cargo test -p game-snake-poc --all-targets --all-features
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```
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Smoke Desktop :
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```bash
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cargo run -p game-snake-poc-desktop
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```
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Les flèches restent disponibles. Un drag souris suffisamment long peut également changer la direction.
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Android x86_64 :
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```bash
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python3 scripts/build_android_rust.py snake --abi x86_64
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cd Android
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gradle :game-snake-poc:assembleDebug
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cd ..
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```
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Puis :
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```bash
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android emulator start sasedev_games_api36
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adb devices
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android run \
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--apks=Android/game-snake-poc/build/outputs/apk/debug/game-snake-poc-debug.apk \
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--device=emulator-5554
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```
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Critères :
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- swipe gauche/droite/haut/bas naturel ;
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- tap simple sans changement de direction ;
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- demi-tour immédiat toujours refusé par le gameplay ;
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- aucun impact sur Reflex `Primary`.
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## Transition
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Si les gates et le smoke Android passent, `0.1.0-0-pre.11.fix.3` valide la fin de la phase `0-pre.*`.
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En cas d'échec imputable au projet, produire `0.1.0-0-pre.11.fix.4`.
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@@ -1,5 +1,5 @@
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<!-- file: docs/architecture/004-INPUT_AND_CONTROLS.md -->
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<!-- version: 4 -->
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<!-- version: 5 -->
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# Abstraction des entrées et contrôles
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@@ -83,4 +83,16 @@ Cette séparation empêche un contact maintenu de produire un succès par frame.
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Les flèches clavier produisent `Left`, `Right`, `Up` et `Down`.
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Lors d'un clic/tap, la position normalisée produit également une direction selon l'axe dominant depuis le centre. Reflex ignore ces directions ; Snake les consomme. Le backend SDL3 reste ainsi commun aux jeux.
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Snake utilise désormais un geste directionnel et non la position absolue du tap.
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Pour souris et tactile :
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- `Down` mémorise l'origine normalisée ;
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- les mouvements mettent à jour le pointeur sans produire de direction ;
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- `Up` compare l'origine et la position finale ;
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- le déplacement doit dépasser un seuil normalisé minimal ;
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- l'axe dominant détermine `Left`, `Right`, `Up` ou `Down` ;
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- un simple tap ou un micro-mouvement ne produit aucune direction ;
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- `Canceled` annule le geste.
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Reflex conserve son impulsion `Primary` sur `Down` et reste donc indépendant de la reconnaissance du swipe.
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