relocated source code to the root

1 files changed, 24 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..2952214
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,24 @@
+/**
+  * Various utility functions, mostly for mathematical calculation.
+  */
+
+#ifndef UTIL_H
+#define UTIL_H
+
+#include <QPoint>
+#include <cmath>
+
+// interpolate on a cubic bezier curve
+float bezierInterpolate(float dist, float c0, float c1, float c2, float c3);
+QPointF bezierInterpolateFull (float dist, QPointF c0, QPointF c1, QPointF c2, QPointF c3);
+
+// rounding
+float roundToNearest(float stepSize, float val);
+float radiansToDegrees (float radians);
+
+// angles
+float degreesToRadians(float degrees);
+int normaliseAngleDeg (int degrees);
+float normaliseAngleRad (float rads);
+
+#endif // UTIL_H