X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fgeometry.h;h=d19d48c8c1735fdd81d2f89494dff85c3abc0a95;hb=8a5bf49d09b5a00ebea3ffc449519ad05b0326cc;hp=d2ec82b0590f408fcdf2f91c0a54d3cddcc181f8;hpb=4b37ccbdf263a4798e53a62e33d869a728ace283;p=architektonas

diff --git a/src/geometry.h b/src/geometry.h
index d2ec82b..d19d48c 100644
--- a/src/geometry.h
+++ b/src/geometry.h
@@ -3,6 +3,10 @@
 
 #include "vector.h"
 
+class Circle;
+class Dimension;
+class Line;
+
 class Geometry
 {
 	public:
@@ -10,6 +14,11 @@ class Geometry
 		static Point IntersectionOfLineAndLine(Point, Point, Point, Point);
 		static double ParameterOfLineAndPoint(Point, Point, Point);
 		static Point MirrorPointAroundLine(Point, Point, Point);
+		static Point RotatePointAroundPoint(Point, Point, double);
+		static double Determinant(Point, Point);
+		static int Intersects(Line *, Line *, double * tp = 0, double * up = 0);
+		static int Intersects(Line *, Dimension *, double * tp = 0, double * up = 0);
+		static int Intersects(Line * l, Circle * c, double * tp = 0, double * up = 0, double * vp = 0, double * wp = 0);
 };
 
 #endif 	// __GEOMETRY_H__