move qhull limits inside base class

include/bounce/collision/shapes/hull.h

@@ -21,6 +21,15 @@
 
 #include <bounce/common/geometry.h>
 
+// The maximum number of vertices that a hull can have.
+#define B3_MAX_HULL_VERTICES (B3_MAX_U8 + 1)
+
+// The maximum number of half-edges a hull can have.
+#define B3_MAX_HULL_EDGES (B3_MAX_U8 + 1)
+
+// The maximum number of faces and planes a hull can have.
+#define B3_MAX_HULL_FACES (B3_MAX_U8 + 1)
+
 struct b3Face
 {
 	u8 edge;

include/bounce/collision/shapes/qhull.h

@@ -21,15 +21,6 @@
 
 #include <bounce/collision/shapes/hull.h>
 
-// The maximum number of vertices that a hull can have.
-#define B3_MAX_HULL_VERTICES (256)
-
-// The maximum number of half-edges a hull can have.
-#define B3_MAX_HULL_EDGES (256)
-
-// The maximum number of faces and planes a hull can have.
-#define B3_MAX_HULL_FACES (256)
-
 // This hull can be constructed from an array of points.
 struct b3QHull : public b3Hull
 {
@@ -52,8 +43,9 @@ struct b3QHull : public b3Hull
 	}
 
 	// Create a convex hull from an array of points.
-	// If the points define a degenerate polyhedron the hull is not overwritten.
+	// The counter must be in the range [0, B3_MAX_HULL_VERTICES].
 	// Coincident points are removed.
+	// Some coplanar faces are merged.
 	void Set(const b3Vec3* points, u32 count);
 
 	// Set this hull as a cylinder located at the origin.

include/bounce/common/settings.h

@@ -41,6 +41,7 @@ typedef float float32;
 #define	B3_MAX_FLOAT (FLT_MAX)
 #define	B3_EPSILON (FLT_EPSILON)
 
+#define	B3_MAX_U8 (0xFF)
 #define	B3_MAX_U32 (0xFFFFFFFF)
 
 // Collision