color based on time

src/main.rs

@@ -6,7 +6,7 @@ mod color;
 use point::Point;
 use std::thread;
 use zmq::{Error, Socket, Context, DONTWAIT};
-use std::time::Duration;
+use std::time::{Duration, SystemTime, UNIX_EPOCH};
 use crate::color::Color;
 
 const SOCKET_ADDRESS : &'static str = "tcp://127.0.0.1:8888";
@@ -29,9 +29,11 @@ fn main() {
   let mut reconnect =  false;
   let mut fail_count = 0;
   let mut messaging_state = MessagingState::Sending;
+  let mut color = Color::Blue;
 
   loop {
-    let point = Point::at_random_range(-1000.0f32, 1000.0f32, Color::Blue);
+    let color = get_color();
+    let point = Point::at_random_range(-1000.0f32, 1000.0f32, color);
     let bytes = point.to_bytes();
     //println!("Point : {}", point.debug_string());
 
@@ -113,4 +115,22 @@ fn reconnect_socket(context: &Context, socket: Socket, address: &str) -> Socket
   }
 
   return socket;
+}
+
+fn get_color() -> Color {
+  let start = SystemTime::now();
+  let timestamp = start
+      .duration_since(UNIX_EPOCH)
+      .expect("Time should work.");
+
+  let seconds = timestamp.as_secs();
+
+  match seconds % 10 {
+    0 | 1 => Color::Black,
+    2 | 3 => Color::Blue,
+    4 | 5 => Color::Red,
+    6 | 7 => Color::Green,
+    8 | 9 => Color::White,
+    _ => Color::White,
+  }
 }