1 files changed, 26 insertions, 0 deletions
diff --git a/utils.vala b/utils.vala
new file mode 100644
index 0000000..e204548
--- /dev/null
+++ b/utils.vala
@@ -0,0 +1,26 @@
+/* Copyright 2012, Sebastian Reichel <sre@ring0.de>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+public double radians(double degree) {
+	return degree * (Math.PI/180.0);
+}
+
+public double constrain(double x, double a, double b) {
+	return a > x ? a : b < x ? b : x;
+}
+
+public int constrain_int(int x, int a, int b) {
+	return a > x ? a : b < x ? b : x;
+}