Class: AuthorEngine::Button

Inherits:
Object
  • Object
show all
Includes:
Support
Defined in:
lib/author_engine/button.rb

Constant Summary collapse

PADDING = 
2

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Support

#code_editor, #sprite_editor, #window

Constructor Details

#initialize(label: nil, tooltip: nil, image: nil, x: 0, y: 0, z: 0, color:, tag: nil, &block) ⇒ Button

Returns a new instance of Button.



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# File 'lib/author_engine/button.rb', line 9

def initialize(label: nil, tooltip: nil, image: nil, x: 0, y: 0, z: 0, color:, tag: nil, &block)
  @label, @image = label, image
  @x, @y, @z = x, y, z
  @color = color
  @tag   = tag
  @block = block

  @width, @height = 0, 0
  @x_padding = PADDING * window.scale_x
  @y_padding = PADDING * window.scale_y

  if @label.is_a?(String)
    @text = AuthorEngine::Text.new(message: @label, x: @x, y: @y, z: @z)
  end

  if @image.is_a?(String)
    @image = AuthorEngine::Image.new(@image, retro: true)
  end

  if tooltip.is_a?(String)
    @tooltip = AuthorEngine::Text.new(message: tooltip, x: @x, y: @y+@height, z: 1000)
  end

  set_interactive_colors
  position_elements

  return self
end

Instance Attribute Details

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'lib/author_engine/button.rb', line 7

def block
  @block
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/author_engine/button.rb', line 7

def height
  @height
end

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/author_engine/button.rb', line 7

def image
  @image
end

#label ⇒ Object

Returns the value of attribute label.



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# File 'lib/author_engine/button.rb', line 7

def label
  @label
end

#tag ⇒ Object (readonly)

Returns the value of attribute tag.



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# File 'lib/author_engine/button.rb', line 7

def tag
  @tag
end

#text ⇒ Object (readonly)

Returns the value of attribute text.



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# File 'lib/author_engine/button.rb', line 7

def text
  @text
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/author_engine/button.rb', line 7

def width
  @width
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/author_engine/button.rb', line 7

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/author_engine/button.rb', line 7

def y
  @y
end

#z ⇒ Object

Returns the value of attribute z.



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# File 'lib/author_engine/button.rb', line 8

def z
  @z
end

Instance Method Details

#button_up(id) ⇒ Object 



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# File 'lib/author_engine/button.rb', line 61

def button_up(id)
  call if mouse_over? && (id == Gosu::MsLeft)
end

#call ⇒ Object 



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# File 'lib/author_engine/button.rb', line 150

def call
  @block.call(self) if @block
end

#draw ⇒ Object 



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# File 'lib/author_engine/button.rb', line 48

def draw
  if mouse_over? && Gosu.button_down?(Gosu::MsLeft)
    draw_background(@color_active)
  elsif mouse_over?
    draw_background(@color_hover)
  else
    draw_background(@color)
  end
  draw_element

  draw_tooltip if @tooltip && mouse_over?
end

#draw_background(color) ⇒ Object 



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# File 'lib/author_engine/button.rb', line 99

def draw_background(color)
  Gosu.draw_rect(@x, @y, @width, @height, color, @z)
end

#draw_element ⇒ Object 



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# File 'lib/author_engine/button.rb', line 103

def draw_element
  if @text && @text.is_a?(AuthorEngine::Text)
    @text.draw

  elsif @image && @image.is_a?(AuthorEngine::Sprite)
    @image.draw

  elsif @image && @image.is_a?(AuthorEngine::Image)
    @image.draw(@x+@x_padding, @y+@y_padding, @z, (1 * window.square_scale), (1 * window.square_scale))

  else
    raise "Nothing to draw! (label and image were nil or invalid types)"
  end
end

#draw_tooltip ⇒ Object 



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# File 'lib/author_engine/button.rb', line 118

def draw_tooltip
  Gosu.draw_rect(@tooltip.x-@x_padding, @tooltip.y-(@y_padding*2), @tooltip.width+(@x_padding*2), @tooltip.height+(@y_padding*2), Gosu::Color.rgba(0,0,0, 200), @tooltip.z)
  @tooltip.draw
end

#mouse_over? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/author_engine/button.rb', line 92

def mouse_over?
  if window.mouse_x.between?(@x, @x+@width) &&
    window.mouse_y.between?(@y, @y+@height)
    true
  end
end

#position_elements ⇒ Object 



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# File 'lib/author_engine/button.rb', line 123

def position_elements
  if @text && @text.is_a?(AuthorEngine::Text)
    @text.x, @text.y = @x+@x_padding, @y+@y_padding
    @width, @height = @text.width+(@x_padding*2), @text.height+(@y_padding*2)

  elsif @image && @image.is_a?(AuthorEngine::Sprite)
    @image.x, @image.y = @x+@x_padding, @y+@y_padding
    @width, @height = @image.width+(@x_padding*2), @image.height+(@y_padding*2)

  elsif @image && @image.is_a?(AuthorEngine::Image)
    @width, @height = (@image.width * window.square_scale)+(@x_padding*2), (@image.height * window.square_scale)+(@y_padding)

  else
    raise "From Button -> text and image were nil or invalid types"
  end

  if @tooltip
    if (@x + @tooltip.width + @x_padding) > window.width
      @tooltip.x = @x - (((@x+@tooltip.width) - window.width) + @x_padding)
    else
      @tooltip.x = (@x - @tooltip.width / 2) + @width/2
    end

    @tooltip.y = (@y + @height + (@y_padding*2))
  end
end

#set_interactive_colors ⇒ Object 



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# File 'lib/author_engine/button.rb', line 81

def set_interactive_colors
  if @color.value > 0.7
    @color_active = window.darken(@color, 50)
    @color_hover  = window.darken(@color)
  else
    @color_active = window.lighten(@color, 50)
    @color_hover  = window.lighten(@color)
  end
end