--- /dev/null
+#ifndef OBJECT_H_
+#define OBJECT_H_
+
+#include <gmath/gmath.h>
+
+class CollSphere {
+public:
+ float radius;
+ Vec3 center;
+
+ CollSphere();
+
+ bool contains(const Vec3 &v) const;
+ Vec3 project_surf(const Vec3 &v) const;
+};
+
+#endif // OBJECT_H_