module DragonSkeleton::Buttons

Processes mouse input for the given button (a hash with x, y, w, and h keys) and updates the button hash with the following keys:

:hovered

true while the mouse is inside the button

:hovered_ticks

the number of ticks the mouse has been inside the button

:clicked

true if the mouse was clicked inside the button

:pressed

true while the mouse is inside the button and the left mouse button is pressed

:pressed_ticks

the number of ticks the mouse has been inside the button and the left mouse button is pressed

:released

true during the tick when left mouse button was released after being pressed inside the button

:ticks_since_released

the number of ticks since the mouse was released

# File lib/dragon_skeleton/buttons.rb, line 24
def handle_mouse_input(mouse, button)
  button[:hovered_ticks] ||= 0
  button[:pressed_ticks] ||= 0
  button[:ticks_since_released] ||= 0
  button[:hovered] = mouse.inside_rect? button
  button[:hovered_ticks] = button[:hovered] ? button[:hovered_ticks] + 1 : 0
  button[:clicked] = button[:hovered] && mouse.click
  button[:pressed] = button[:hovered] && mouse.button_left
  button[:released] = button[:pressed_ticks].positive? && !mouse.button_left
  button[:pressed_ticks] = button[:pressed] ? button[:pressed_ticks] + 1 : 0
  button[:ticks_since_released] = button[:released] ? 0 : button[:ticks_since_released] + 1
end