1 files changed, 109 insertions, 0 deletions
diff --git a/2026/games_submissions/rpc2dot0/src/constants.rs b/2026/games_submissions/rpc2dot0/src/constants.rs
new file mode 100644
index 0000000..0e16b2b
--- /dev/null
+++ b/2026/games_submissions/rpc2dot0/src/constants.rs
@@ -0,0 +1,109 @@
+use crate::color::EntityColor;
+use wasm_bindgen::prelude::wasm_bindgen;
+
+pub const HEIGHT: u32 = 160;
+pub const WIDTH: u32 = 240;
+pub const LANDING_TEXTURE_HEIGHT: i32 = 160;
+pub const LANDING_TEXTURE_WIDTH: i32 = 240;
+pub const MUTE_ICON_SIZE: f32 = 16.0;
+pub const MUTE_ICON_MARGIN: f32 = 0.0;
+
+pub const GAME_DURATION_MS: u32 = 15_000;
+pub const NB_GREENS: i32 = 15;
+pub const INITIAL_SPAWN: u32 = 8;
+pub const MAX_ENTITIES: u32 = 40;
+pub const BASE_SPEED: f32 = 24.0;
+pub const SPEED_COLLIDE_MULT: f32 = 2.0;
+pub const ENTITY_RADIUS: f32 = 4.8;
+pub const INITIAL_SPAWN_SPREAD_MS: f32 = 1_000.0;
+pub const SPAWN_RATE_MIN_MS: u32 = 500;
+pub const SPAWN_RATE_MAX_MS: u32 = 1_200;
+pub const DAMPING_FACTOR: f32 = 0.98;
+pub const JITTER_STRENGTH: f32 = 0.12;
+pub const MIN_SPEED: f32 = 2.6;
+pub const MAX_SPEED: f32 = 64.0;
+pub const SPAWN_PADDING: f32 = 1.0;
+pub const ENTITY_SCALE_FACTOR: f32 = 1.5;
+pub const RED_COUNTDOWN_MS: f32 = 3_000.0;
+pub const ROGUE_DURATION_MS: f32 = 3_000.0;
+pub const PACMAN_CHASE_PROB: f64 = 0.30;
+pub const PACMAN_CHASE_SPEED_MULT: f32 = 1.5;
+
+pub const BASELINE_RATIOS: [f32; 4] = {
+    let mut b = [0.0f32; 4];
+    b[EntityColor::Red as usize] = 0.10;
+    b[EntityColor::Green as usize] = 0.60;
+    b[EntityColor::Bleu as usize] = 0.10;
+    b[EntityColor::Yellow as usize] = 0.20;
+    b
+};
+
+pub const fn get_baseline_ratio(color: EntityColor, difficulty: f32) -> f32 {
+    const SHIFT_PER_LEVEL: f32 = 0.15;
+    const GREEN_FLOOR: f32 = 0.05;
+
+    let green_base = BASELINE_RATIOS[EntityColor::Green as usize];
+    let red_base = BASELINE_RATIOS[EntityColor::Red as usize];
+
+    // how much we can actually shift without breaching the green floor.
+    let max_shift = green_base - GREEN_FLOOR;
+    let shift = (SHIFT_PER_LEVEL * (difficulty - 1.0).max(0.0)).min(max_shift);
+
+    match color {
+        EntityColor::Green => green_base - shift,
+        EntityColor::Red => red_base + shift,
+        // Bleu and Yellow stay fixed; only the Green/Red tension is modulated.
+        c => BASELINE_RATIOS[c as usize],
+    }
+}
+
+// UI constants
+pub const TITLE_HEADING_TEXT_COLOR: glam::Vec3 = glam::Vec3::new(0.105, 0.262, 0.196);
+pub const TITLE_DESCRIPTION_TEXT_COLOR: glam::Vec3 = glam::Vec3::new(0.184, 0.321, 0.2);
+pub const START_BUTTON_TEXT_COLOR: glam::Vec3 = glam::Vec3::new(1.0, 1.0, 1.0);
+pub const TITLE_START_BUTTON_LABEL: &str = "START";
+pub fn title_score_goal() -> String {
+    format!("Score {} or more to win", NB_GREENS)
+}
+pub const TITLE_CLICK_START_HINT: &str = "Click START to begin the 15s* round.";
+//pub const TITLE_ROUND_WARNING: &str = "(*in this computer seconds might be longer, TBI)";
+pub const TITLE_SCORING_HINT: &str = "Green gives +1, all other colors give -1.";
+pub const TITLE_HINT: &str = "hint: booting the computer is optional.";
+
+pub const HUD_TEXT_COLOR: glam::Vec3 = glam::Vec3::new(0.2, 0.2, 0.2);
+pub const HUD_SCORE_LABEL_PREFIX: &str = "Score: ";
+pub const HUD_TIME_LABEL_PREFIX: &str = "Time: ";
+pub const HUD_TIME_LABEL_SUFFIX: &str = "s";
+pub const HUD_FPS_LABEL_PREFIX: &str = "FPS: ";
+pub const HUD_SCORE_POSITION: glam::Vec2 = glam::Vec2::new(2.6, 6.6);
+pub const HUD_FPS_POSITION: glam::Vec2 = glam::Vec2::new(2.6, 20.0);
+pub const RESULT_DISPLAY_DELAY_MS: f64 = 2000.0;
+#[wasm_bindgen]
+pub fn get_result_display_delay_ms() -> f64 {
+    RESULT_DISPLAY_DELAY_MS
+}
+
+// UI rendering colors and uniforms
+pub const RED_COUNTDOWN_BAR_COLOR: glam::Vec4 = glam::Vec4::new(1.0, 0.266, 0.266, 1.0);
+pub const BUTTON_FILL_COLOR: glam::Vec4 = glam::Vec4::new(0.0, 0.0, 1.0, 0.9);
+pub const GAME_OVER_OVERLAY_COLOR: glam::Vec4 = glam::Vec4::new(1.0, 1.0, 1.0, 0.82);
+pub const UI_UNIFORM_COLOR_NAME: &str = "color";
+pub const UI_UNIFORM_OPACITY_NAME: &str = "opacity";
+pub const FLASH_SCREEN_BASE_COLOR: glam::Vec3 = glam::Vec3::new(1.0, 0.0, 0.0);
+pub const GAME_OVER_TEXT_COLOR: glam::Vec3 = glam::Vec3::new(0.105, 0.262, 0.196);
+pub const GAME_OVER_TITLE_TEXT: &str = "Game Over";
+pub const GAME_OVER_RESULT_PREFIX: &str = "Result: ";
+
+// computer
+pub const COMPUTER_WIDTH: f32 = 42.6;
+pub const COMPUTER_HEIGHT: f32 = 42.6;
+pub const TRIGGER_OFFSET_X: f32 = 9.8;
+pub const TRIGGER_OFFSET_Y: f32 = 4.0;
+pub const TRIGGER_WIDTH: f32 = 8.0;
+pub const TRIGGER_HEIGHT: f32 = 6.1;
+pub const POWER_BUTTON_OFFSET_X: f32 = 28.8;
+pub const POWER_BUTTON_OFFSET_Y: f32 = 2.6;
+pub const POWER_BUTTON_WIDTH: f32 = 9.6;
+pub const POWER_BUTTON_HEIGHT: f32 = 5.8;
+
+// Subgame