From 690df56bb71020901167605a87ec451081fa18d7 Mon Sep 17 00:00:00 2001
From: opiopan <opiopan@gmail.com>
Date: Sat, 23 Mar 2019 21:59:13 +0900
Subject: add rotation fuction

---
 gerberex/utility.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 gerberex/utility.py

(limited to 'gerberex/utility.py')

diff --git a/gerberex/utility.py b/gerberex/utility.py
new file mode 100644
index 0000000..852519a
--- /dev/null
+++ b/gerberex/utility.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>
+
+from math import cos, sin, pi
+
+def rotate(x, y, angle, center):
+    x0 = x - center[0]
+    y0 = y - center[1]
+    angle = angle * pi / 180.0
+    return (cos(angle) * x0 - sin(angle) * y0 + center[0],
+            sin(angle) * x0 + cos(angle) * y0 + center[1])
-- 
cgit