X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbuilders%2Fsphere.h;fp=source%2Fbuilders%2Fsphere.h;h=b20ff5413954ce80048c03bdf2982d22957b18c8;hb=7aaec9a70b8d7733429bec043f8e33e02956f266;hp=0000000000000000000000000000000000000000;hpb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;p=libs%2Fgl.git

diff --git a/source/builders/sphere.h b/source/builders/sphere.h
new file mode 100644
index 00000000..b20ff541
--- /dev/null
+++ b/source/builders/sphere.h
@@ -0,0 +1,51 @@
+#ifndef MSP_GL_SPHERE_H_
+#define MSP_GL_SPHERE_H_
+
+#include "geometrybuilder.h"
+
+namespace Msp {
+namespace GL {
+
+class UvSphereBuilder: public GeometryBuilder
+{
+private:
+	float radius;
+	unsigned segments;
+	unsigned rings;
+
+public:
+	UvSphereBuilder(float, unsigned, unsigned = 0);
+
+	using GeometryBuilder::build;
+	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
+
+#endif