Generate a two-dimensional distribution of points within a disc region using different sampling algorithms.

Input parameters:

1. Ci → Distribution boundary.
2. Ct → The number of points to generate.
3. Al → Algorithm used to determine point set distribution
   •  0 → White Noise
   •  1 → Calamine Blue
   •  2 → Mazarine Blue
   •  5 → Blue Threshold
   •  6 → Blue Step
   • 10 → Van der Corput
   • 20 → Fibonacci
   • 21 → Hexagonal

Output parameters:

1. Pt → Point distribution within region.