improve lerp code and add formatting procedures.

1 files changed, 9 insertions, 0 deletions

diff --git a/utils.c b/utils.c
new file mode 100644
index 0000000..54141e3
--- /dev/null
+++ b/utils.c
@@ -0,0 +1,9 @@
+#include <u.h>
+#include <libc.h>
+#include <geometry.h>
+
+double
+flerp(double a, double b, double t)
+{
+	return a + (b - a)*t;
+}