1 files changed, 29 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/SNIP/spin.c b/reference/C/CONTRIB/SNIP/spin.c
new file mode 100755
index 0000000..785bdbf
--- /dev/null
+++ b/reference/C/CONTRIB/SNIP/spin.c
@@ -0,0 +1,29 @@
+/*
+**  Miscellaneous text spinners demonstration
+**
+**  public domain by Jon Guthrie, Bob Stout, and others
+*/
+
+#include <stdio.h>
+
+#define DURATION 500    /* Length of demo       */
+#define SSLOWDOWN 5     /* Make spinner look ok */
+#define TSLOWDOWN 10    /* Make target look ok  */
+
+main()
+{
+      unsigned i;
+      char spinner[] = "|/-\\", target[] = ".oO";
+
+      for (i = 0; i < DURATION; ++i)
+      {
+            unsigned scount = i / SSLOWDOWN, tcount = i / TSLOWDOWN;
+            unsigned scountdown  = DURATION / SSLOWDOWN;
+            unsigned tcountdown  = DURATION / TSLOWDOWN;
+
+            printf("CW %c ... CCW %c ... Explode %c ... Implode%c\r",
+                  spinner[scount & 3], spinner[(scountdown - scount) & 3],
+                  target[tcount % 3], target[(tcountdown - tcount) % 3]);
+      }
+      return 0;
+}