From 5f14559fedd57b4cc8463ad468e5895c82cc6964 Mon Sep 17 00:00:00 2001
From: logaritmisk <anders.e.olsson@gmail.com>
Date: Wed, 31 Aug 2016 16:38:17 +0200
Subject: [PATCH] Initial commit.

---
 .gitignore  |  1 +
 Cargo.lock  | 12 ++++++++++++
 Cargo.toml  |  7 +++++++
 src/main.rs | 18 ++++++++++++++++++
 4 files changed, 38 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b83d222
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target/
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..72a6025
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,12 @@
+[root]
+name = "loldog"
+version = "0.1.0"
+dependencies = [
+ "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "ansi_term"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..c3eed22
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "loldog"
+version = "0.1.0"
+authors = ["logaritmisk <anders.e.olsson@gmail.com>"]
+
+[dependencies]
+ansi_term = "0.9"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..ddbec88
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,18 @@
+extern crate ansi_term;
+
+use std::f32::consts::PI;
+use ansi_term::Colour::RGB;
+
+fn main() {
+    let (red, green, blue) = rainbow(0.1, 0);
+
+    println!("{}", RGB(red, green, blue).paint("Steel blue"));
+}
+
+fn rainbow(frec: f32, i: usize) -> (u8, u8, u8) {
+    let red = (f32::sin(frec * i as f32) * 127.0 + 128.0) as u8;
+    let green = (f32::sin(frec * i as f32 + 2.0 * PI / 3.0) * 127.0 + 128.0) as u8;
+    let blue = (f32::sin(frec * i as f32 + 4.0 * PI / 3.0) * 127.0 + 128.0) as u8;
+
+    (red, green, blue)
+}