lib/engine/gui/imgbtn.py

   1 from lib.lib.gui import Btn
   2 from lib.lib.p3d.shader import load_shader
   3
   4
   5 class ImgBtn(Btn):
   6
   7     def __init__(self, *args, **kwargs):
   8         Btn.__init__(self, *args, **kwargs)
   9         shader_dirpath = 'assets/shaders/'
  10         shader = load_shader(shader_dirpath + 'filter.vert',
  11                              shader_dirpath + 'imgbtn.frag')
  12         if shader:
  13             self.set_shader(shader)
  14             shader_args = [('col_offset', 0), ('enable', 1)]
  15             list(map(lambda args: self.set_shader_input(*args), shader_args))
  16         self.set_transparency(True)
  17
  18     def _on_enter(self, pos):  # pos comes from mouse
  19         self.set_shader_input('col_offset', .25)
  20
  21     def _on_exit(self, pos):  # pos comes from mouse
  22         self.set_shader_input('col_offset', 0)
  23
  24     def enable(self):
  25         super().enable()
  26         self.set_shader_input('enable', 1)
  27
  28     def disable(self):
  29         super().disable()
  30         self.set_shader_input('enable', .2)