Class: SpriteKit::Primitives

Inherits:
Object
  • Object
show all
Defined in:
mygame/lib/sprite_kit/primitives.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#created_buttons ⇒ Object

Returns the value of attribute created_buttons.



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# File 'mygame/lib/sprite_kit/primitives.rb', line 3

def created_buttons
  @created_buttons
end

Class Method Details

.borders(rect, padding: nil, border_width: 1, color: { r: 0, b: 0, g: 0, a: 255 }) ⇒ Object 



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# File 'mygame/lib/sprite_kit/primitives.rb', line 63

def self.borders(rect, padding: nil, border_width: 1, color: { r: 0, b: 0, g: 0, a: 255 })
  if padding && padding.is_a?(Numeric) && padding >= 0
    padding = {
      top: padding,
      right: padding,
      bottom: padding,
      left: padding
    }
  else
    padding = {
      top: 0,
      left: 0,
      right: 0,
      bottom: 0
    }
  end

  {
    top: {
      # top
      x: rect.x - padding.left,
      w: rect.w + padding.left + padding.right,
      y: rect.y + rect.h + padding.top - border_width,
      h: border_width,
      **color,
    },
    right: {
      # right
      x: rect.x + rect.w + padding.right - border_width,
      w: border_width,
      y: rect.y - padding.bottom,
      h: rect.h + padding.bottom + padding.top,
      **color,
    },
    bottom: {
      # bottom
      x: rect.x - padding.left,
      w: rect.w + padding.left + padding.right,
      y: rect.y - padding.bottom,
      h: border_width,
      **color,
    },
    left: {
      # left
      x: rect.x - padding.left,
      w: border_width,
      y: rect.y - padding.bottom,
      h: rect.h + padding.top + padding.bottom,
      **color,
    }
  }.each_value do |hash|
    hash[:primitive_marker] = :sprite
    hash[:path] = :pixel
  end
end

.button(text: nil, w: nil, h: nil, x: nil, y: nil, size_enum: nil, font: nil, padding: 0, border_width: 0) ⇒ Object 



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# File 'mygame/lib/sprite_kit/primitives.rb', line 5

def self.button(
  text: nil,
  w: nil,
  h: nil,
  x: nil,
  y: nil,
  size_enum: nil,
  font: nil,
  padding: 0,
  border_width: 0
)
  if !padding
    padding = 0
  end

  if padding.is_a?(Numeric)
    padding = {
      top: padding,
      right: padding,
      bottom: padding,
      left: padding
    }
  end

  if w == nil && h == nil
    w, h = GTK.calcstringbox(text, size_enum: size_enum || 0, font: font || nil)
    w += (border_width * 2) + padding.left + padding.right
    h += (border_width * 2) + padding.top + padding.bottom
  end

  rect = {
    w: w,
    h: h,
    x: 0,
    y: 0,
    primitive_marker: :sprite,
  }

  # create a label centered vertically and horizontally within the texture
  label = {
    x: x + border_width + padding.left,
    y: y + border_width + padding.bottom,
    text: text,
    size_enum: size_enum,
    anchor_x: 0,
    anchor_y: 0
  }.label!

  primitives = [
    label,
    *Primitives.borders(rect, border_width: border_width, padding: 0).values
  ]

  rect.primitives = primitives

  rect
end