1 files changed, 23 insertions, 0 deletions
diff --git a/Line.h b/Line.h
new file mode 100644
index 0000000..0fad7f3
--- /dev/null
+++ b/Line.h
@@ -0,0 +1,23 @@
+#ifndef LINE_H_
+#define LINE_H_
+
+#include "Vertex.h"
+
+
+#define INTERSECTION_ERROR           -1
+#define INTERSECTION_NONE             0
+#define INTERSECTION_IDENTICAL        1
+#define INTERSECTION_LINE             2
+#define INTERSECTION_LINE_LINE        2
+#define INTERSECTION_LINE_SEGMENT     3
+#define INTERSECTION_SEGMENT_LINE     6
+#define INTERSECTION_SEGMENT_SEGMENT  7
+
+typedef struct _LINE {
+  Vertex v1, v2;
+} LINE;
+
+
+int lineIntersection(const LINE *la, const LINE *lb, Vertex *v);
+
+#endif /*LINE_H_*/