dreamstack/examples/game-reaction.ds

-- DreamStack Reaction Game (Streamed)
-- Whack-a-mole style: click the target before it moves!
-- State is streamed so viewers can watch live.
--
-- Run with:
--   Tab 1: cargo run -p ds-stream                         (relay)
--   Tab 2: dreamstack stream examples/game-reaction.ds    (source/player)
--   Tab 3: open game-viewer build in browser              (viewer)

import { Card } from "../registry/components/card"
import { Badge } from "../registry/components/badge"

-- Game state
let score = 0
let misses = 0
let target = 5
let round = 0

-- Timer: move target every 2 seconds
every 2000 -> round += 1

-- Derived: target position follows round
let pos = round % 9 + 1

-- Stream game state
stream reaction_game on "ws://localhost:9100/peer/game" {
  mode: signal,
  output: score, misses, round, pos
}

view game = column [
  text "🎯 Reaction Game" { variant: "title" }
  text "Click the lit cell before it moves!" { variant: "subtitle" }

  -- Score bar
  row [
    Badge { label: "Score: {score}", variant: "success" }
    Badge { label: "Misses: {misses}", variant: "error" }
    Badge { label: "Round: {round}", variant: "info" }
  ]

  -- 3x3 Grid
  Card { title: "Game Board" } [
    row [
      match pos
        1 -> button "🎯" { click: score += 1, variant: "primary" }
        _ -> button "·" { click: misses += 1, variant: "secondary" }
      match pos
        2 -> button "🎯" { click: score += 1, variant: "primary" }
        _ -> button "·" { click: misses += 1, variant: "secondary" }
      match pos
        3 -> button "🎯" { click: score += 1, variant: "primary" }
        _ -> button "·" { click: misses += 1, variant: "secondary" }
    ]
    row [
      match pos
        4 -> button "🎯" { click: score += 1, variant: "primary" }
        _ -> button "·" { click: misses += 1, variant: "secondary" }
      match pos
        5 -> button "🎯" { click: score += 1, variant: "primary" }
        _ -> button "·" { click: misses += 1, variant: "secondary" }
      match pos
        6 -> button "🎯" { click: score += 1, variant: "primary" }
        _ -> button "·" { click: misses += 1, variant: "secondary" }
    ]
    row [
      match pos
        7 -> button "🎯" { click: score += 1, variant: "primary" }
        _ -> button "·" { click: misses += 1, variant: "secondary" }
      match pos
        8 -> button "🎯" { click: score += 1, variant: "primary" }
        _ -> button "·" { click: misses += 1, variant: "secondary" }
      match pos
        9 -> button "🎯" { click: score += 1, variant: "primary" }
        _ -> button "·" { click: misses += 1, variant: "secondary" }
    ]
  ]

  -- Reset
  button "🔄 Reset Game" { click: score = 0; misses = 0, variant: "ghost" }
]