Camera

Responsibility's:

• Have a 'x' and 'y' value of the type double. Used to simulate a camera by subtracting 'x' of the camera from 'x' of the location of the graphics on screen. Same as for 'y'. Notes:
• All values in camera are static.

Dependency's:

• Requires a the NPC 'focus' to be set by another class before the update(); method can be called.
• Requires the doubles 'x' and 'y' to be set by another class before the update(); method can be called.

Method's:

• Update(); Have the camera change it location by .02 'x' units and .02 'y' units towards the location of the 'follow' NPC if the 'follow' NPC is too close to the edge of the screen.

  Too close to the edge of the screen is defined by the doubles:
       * x_border_neg
       * x_border_pos
       * y_border_neg
       * y_border_pos