Class: EhbGameLib::Gfx

Inherits:
Object
  • Object
show all
Defined in:
lib/ehb_game_lib/gfx.rb

Class Method Summary collapse

Class Method Details

.fill_circle(cx, cy, r, color, z) ⇒ Object 



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# File 'lib/ehb_game_lib/gfx.rb', line 6

def fill_circle(cx, cy, r, color, z)
  x1 = 0
  y1 = -r
  circ = 2 * ::Math::PI * r
  step = 360 / circ
  step.step(45, step) do |a|
    x2 = Gosu.offset_x(a, r)
    y2 = Gosu.offset_y(a, r)
    EhbGameLib::Globals.window.draw_quad \
      cx + x1, cy + y1, color, cx + x2, cy + y2, color,
      cx - x2, cy + y2, color, cx - x1, cy + y1, color, z
    EhbGameLib::Globals.window.draw_quad \
      cx - x1, cy - y1, color, cx - x2, cy - y2, color,
      cx + x2, cy - y2, color, cx + x1, cy - y1, color, z
    EhbGameLib::Globals.window.draw_quad \
      cx + y1, cy + x1, color, cx + y2, cy + x2, color,
      cx - y2, cy + x2, color, cx - y1, cy + x1, color, z
    EhbGameLib::Globals.window.draw_quad \
      cx - y1, cy - x1, color, cx - y2, cy - x2, color,
      cx + y2, cy - x2, color, cx + y1, cy - x1, color, z
    x1 = x2
    y1 = y2
  end
  EhbGameLib::Globals.window.draw_quad \
    cx + x1, cy + y1, color, cx - y1, cy - x1, color,
    cx + y1, cy - x1, color, cx - x1, cy + y1, color, z
  EhbGameLib::Globals.window.draw_quad \
    cx - x1, cy - y1, color, cx + y1, cy + x1, color,
    cx - y1, cy + x1, color, cx + x1, cy - y1, color, z
end