Chapter 4, Problem 15PP

Program Plan Intro

Spiral circles

Program plan:

• Include necessary header files.
• Declare the class “Spiral_Circles” that extends application class.
  • Declare required constant variables.
  • Override the “paint ()” method.
    • Call the “paint” method.
    • Set the size of the window.
    • Declare required variables.
    • Set the values for “x_Center”, “y_Center”, and “diameter”.
    • Loop from “0” through total number of circles.
      • Switch to the case (i % 3).
        • If the value is “0”,
        • • Draw a stroke in red color.
          • Break the case.
        • If the value is “1”,
        • • Draw a stroke in green color.
          • Break the case.
        • If the value is “2”,
        • • Draw a stroke in blue color.
          • Break the case.
      • Update the value of “x” and “y”.
      • Draw a circle.
      • Update the value of “radius”, “angle”, and “diameter”.