Text weich einscrollen lassen

1 files changed, 6 insertions, 2 deletions

diff --git a/anzeige.c b/anzeige.c
index 90282a2..42453a3 100644
--- a/anzeige.c
+++ b/anzeige.c
@@ -95,13 +95,17 @@ int main(int argc, char **argv)
 
   scroll_buffers[0].scroll_len = render(text_buffer, TEXT_BUFFER_LENGTH, scroll_buffers[0].buf, sizeof(scroll_buffers[0].buf), 1);
 
-  i=0;
+  i=-40;
   while (display_data.keep_running) {
     usleep(100000);
     for (j=0; j<40; j++)
-      display_data.buf[(display_data.should_buf+1)%3][j] = scroll_buffers[0].buf[(i+j) % scroll_buffers[0].scroll_len];
+      if (i+j<0)
+        display_data.buf[(display_data.should_buf+1)%3][j] = 0;
+      else
+        display_data.buf[(display_data.should_buf+1)%3][j] = scroll_buffers[0].buf[(i+j) % scroll_buffers[0].scroll_len];
     display_data.should_buf = (display_data.should_buf+1)%3;
     i++;
+    i = i % scroll_buffers[0].scroll_len;
   }
 
   free(text_buffer);