Class: Rubygoo::GosuRenderAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/rubygoo/adapters/gosu_render_adapter.rb

Constant Summary collapse

CIRCLE_STEP = 
10

Instance Method Summary collapse

Constructor Details

#initialize(window) ⇒ GosuRenderAdapter

Returns a new instance of GosuRenderAdapter.



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 17

def initialize(window)
  @window = window
end

Instance Method Details

#convert_color(goo_color) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 63

def convert_color(goo_color)
  Gosu::Color.new goo_color.a,goo_color.r,goo_color.g,goo_color.b
end

#draw_box(x1, y1, x2, y2, color) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 21

def draw_box(x1,y1,x2,y2,color)
  c = convert_color(color)
  @window.draw_line x1, y1, c, x2, y1, c
  @window.draw_line x2, y1, c, x2, y2, c
  @window.draw_line x2, y2, c, x1, y2, c
  @window.draw_line x1, y2, c, x1, y1, c
end

#draw_circle(cx, cy, r, color) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 35

def draw_circle(cx,cy,r,color)
  c_color = convert_color(color)
  
  0.step(360, CIRCLE_STEP) { |a1| 
    a2 = a1 + CIRCLE_STEP
    @window.draw_line cx + offset_x(a1, r), cy + offset_y(a1, r), c_color, cx + offset_x(a2, r), cy + offset_y(a2, r), c_color, 0 
  }
end

#draw_circle_filled(cx, cy, r, color) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 44

def draw_circle_filled(cx,cy,r,color)
  c_color = convert_color(color)

  0.step(360, CIRCLE_STEP) { |a1| 
    a2 = a1 + CIRCLE_STEP
    @window.draw_triangle cx + offset_x(a1, r), cy + offset_y(a1, r), c_color, cx + offset_x(a2, r), cy + offset_y(a2, r), c_color, cx, cy, c_color, 0 
  }
end

#draw_image(img, x, y, color = nil) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 71

def draw_image(img, x, y, color=nil)
  # z is unused here
  if color
    img.draw x, y, 0,1,1,convert_color(color)
  else
    img.draw x, y, 0
  end
end

#draw_line(x1, y1, x2, y2, color) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 29

def draw_line(x1,y1,x2,y2,color)
  c = convert_color(color)
  @window.draw_line x1, y1, c, x1, y2, c
end

#draw_partial_image(img, to_x, to_y, from_x = nil, from_y = nil, from_w = nil, from_h = nil, color = nil) ⇒ Object

untested in Gosu



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 81

def draw_partial_image(img, to_x, to_y,
               from_x=nil,from_y=nil,from_w=nil,from_h=nil, color=nil)

  if from_x
    if from_w
      from = [from_x,from_y,from_w,from_h]
      image = Image.new @screen, img, false, from
    else
      raise "not supported in gosu"
    end
    image.draw x, y, 0
  else
    draw_image img,to_x,to_y,color
  end
end

#fill(x1, y1, x2, y2, color) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 58

def fill(x1,y1,x2,y2,color)
  c = convert_color(color)
  @window.draw_quad x1, y1, c, x2, y1, c, x1, y2, c, x2, y2, c
end

#fill_screen(color) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 53

def fill_screen(color)
  c = convert_color(color)
  @window.draw_quad 0, 0, c, @window.width, 0, c, 0, @window.height, c, @window.width, @window.height, c
end

#finish_drawing ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 69

def finish_drawing(); end

#render_text(text, font_file, font_size, color) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 105

def render_text(text, font_file, font_size, color)
  @font_cache ||= {}
  @font_cache[font_file] ||= {}
  font = @font_cache[font_file][font_size] ||= Font.new(@window, font_file, font_size)

  # TODO how do you set the color here?
#      text_image = Image.from_text(@window, text, font_file, font_size, 2, font.text_width(text).ceil, :left)
  DelayedText.new font, text
#      text_image = font.draw(text, 0, 0, 1)
end

#size_text(text, font_file, font_size) ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 97

def size_text(text, font_file, font_size)
  @font_cache ||= {}
  @font_cache[font_file] ||= {}
  font = @font_cache[font_file][font_size] ||= Font.new(@window, font_file, font_size)

  return [font.text_width(text),font.height]
end

#start_drawing ⇒ Object 



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# File 'lib/rubygoo/adapters/gosu_render_adapter.rb', line 67

def start_drawing(); end