From 34cb5fb51c71f2978c3a044b90be1a642da4ba35 Mon Sep 17 00:00:00 2001
From: Jean-Marie Mineau <jean-marie.mineau@protonmail.com>
Date: Thu, 13 May 2021 00:41:36 +0200
Subject: [PATCH] random start

---
 Cargo.toml |  1 +
 src/lib.rs | 23 +++++++++++++++++++++++
 www        |  2 +-
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 1303340..706d514 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,6 +11,7 @@ crate-type = ["cdylib", "rlib"]
 default = ["console_error_panic_hook"]
 
 [dependencies]
+js-sys = "0.3"
 wasm-bindgen = "0.2.63"
 
 # The `console_error_panic_hook` crate provides better debugging of panics by
diff --git a/src/lib.rs b/src/lib.rs
index 5e3db3e..5216eab 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,6 +3,8 @@ mod utils;
 use std::fmt;
 use wasm_bindgen::prelude::*;
 
+extern crate js_sys;
+
 // When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
 // allocator.
 #[cfg(feature = "wee_alloc")]
@@ -101,6 +103,27 @@ impl Universe {
         }
     }
 
+    pub fn new_random() -> Universe {
+        let width = 64;
+        let height = 64;
+
+        let cells = (0..width * height)
+            .map(|_i| {
+                if js_sys::Math::random() < 0.5 {
+                    Cell::Alive
+                } else {
+                    Cell::Dead
+                }
+            })
+            .collect();
+
+        Universe {
+            width,
+            height,
+            cells,
+        }
+    }
+
     pub fn render(&self) -> String {
         self.to_string()
     }
diff --git a/www b/www
index 645cf7d..7ba57de 160000
--- a/www
+++ b/www
@@ -1 +1 @@
-Subproject commit 645cf7d32c691bf9c156d34c5b18c0ea5f85e767
+Subproject commit 7ba57de4672a6a84db7f155c162a267809bacd7e