1 files changed, 11 insertions, 0 deletions
diff --git a/src/elements/glas.c b/src/elements/glas.c
new file mode 100644
index 0000000..bc2d5ce
--- /dev/null
+++ b/src/elements/glas.c
@@ -0,0 +1,11 @@
+#include <element.h>
+
+int update_GLAS(UPDATE_FUNC_ARGS) {
+	parts[i].pavg[0] = parts[i].pavg[1];
+	parts[i].pavg[1] = pv[y/CELL][x/CELL];
+	if (parts[i].pavg[1]-parts[i].pavg[0] > 0.25f || parts[i].pavg[1]-parts[i].pavg[0] < -0.25f)
+	{
+		part_change_type(i,x,y,PT_BGLA);
+	}
+	return 0;
+}