X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fsphere.h;h=b20ff5413954ce80048c03bdf2982d22957b18c8;hp=b69c4083ba4159c1066824b9247cc2a8945c68de;hb=4e4a3514961d130045619ea74d0bbab71580838c;hpb=093ed86110ebbcd1bc09f693a89bac09ec8198e4

diff --git a/source/sphere.h b/source/sphere.h
index b69c4083..b20ff541 100644
--- a/source/sphere.h
+++ b/source/sphere.h
@@ -20,6 +20,31 @@ public:
 	virtual void build(PrimitiveBuilder &) const;
 };
 
+
+class IcoSphereBuilder: public GeometryBuilder
+{
+private:
+	float radius;
+	unsigned subdivision;
+
+	static float base_vertices[];
+	static unsigned base_triangles[];
+	static unsigned base_edges[];
+	static unsigned base_tri_edges[];
+
+public:
+	IcoSphereBuilder(float, unsigned);
+private:
+	static void initialize_edges();
+
+public:
+	using GeometryBuilder::build;
+	virtual void build(PrimitiveBuilder &) const;
+
+private:
+	unsigned edge_vertex(unsigned, unsigned) const;
+};
+
 } // namespace GL
 } // namespace Msp