Class: RubySketch::SpriteWorld

Inherits:

Object

• Object
• RubySketch::SpriteWorld

Defined in:

lib/rubysketch/sprite.rb

Overview

A class Manages sprites.

Instance Method Summary

• #addSprite(*sprites) ⇒ Sprite

  Adds sprites to the physics engine.

• #createSprite(*args, context: nil, **kwargs) ⇒ Sprite

  Creates a new sprite and add it to physics engine.

• #debug=(state) ⇒ Object
• #debug? ⇒ Boolean
• #gravity(*args) ⇒ nil

  Sets gravity for the physics engine.

• #initialize(pixels_per_meter: 0) ⇒ SpriteWorld constructor

  Create a new physics world.

• #removeSprite(*sprites) ⇒ Sprite

  Removes sprites from the physics engine.

Constructor Details

#initialize(pixels_per_meter: 0) ⇒ SpriteWorld

Create a new physics world

# File 'lib/rubysketch/sprite.rb', line 942

def initialize(pixels_per_meter: 0)
  @view, @debug = View.new(pixels_per_meter: pixels_per_meter), false
end

Instance Method Details

#addSprite(*sprites) ⇒ Sprite

Adds sprites to the physics engine.

Parameters:

• sprites (Sprite) —

  sprite objects

Returns:

• (Sprite) —

  first added sprite

# File 'lib/rubysketch/sprite.rb', line 1005

def addSprite(*sprites)
  sprites.each {@view.add _1.getInternal__}
  sprites.first
end

#createSprite(x, y, w, h) ⇒ Sprite #createSprite(image: img) ⇒ Sprite #createSprite(x, y, image: img) ⇒ Sprite #createSprite(x, y, image: img, offset: off) ⇒ Sprite #createSprite(x, y, image: img, shape: shp) ⇒ Sprite #createSprite(x, y, image: img, offset: off, shape: shp) ⇒ Sprite #createSprite(x, y, shape: shp) ⇒ Sprite

Creates a new sprite and add it to physics engine.

Overloads:

• #createSprite(x, y, w, h) ⇒ Sprite

  pos(x, y), size: [w, h]

  Parameters:

  • x (Numeric) —

    x of the sprite position

  • y (Numeric) —

    y of the sprite position

  • w (Numeric) —

    width of the sprite

  • h (Numeric) —

    height of the sprite

• #createSprite(image: img) ⇒ Sprite

  pos: [0, 0], size: [image.width, image.height]

  Parameters:

  • img (Image) —

    sprite image

• #createSprite(x, y, image: img) ⇒ Sprite

  pos: [x, y], size: [image.width, image.height]

  Parameters:

  • x (Numeric) —

    x of the sprite position

  • y (Numeric) —

    y of the sprite position

  • img (Image) —

    sprite image

• #createSprite(x, y, image: img, offset: off) ⇒ Sprite

  pos: [x, y], size: [image.width, image.height], offset: [offset.x, offset.x]

  Parameters:

  • x (Numeric) —

    x of the sprite position

  • y (Numeric) —

    y of the sprite position

  • img (Image) —

    sprite image

  • off (Vector) —

    offset of the sprite image

• #createSprite(x, y, image: img, shape: shp) ⇒ Sprite

  pos: [x, y], size: [image.width, image.height]

  Parameters:

  • x (Numeric) —

    x of the sprite position

  • y (Numeric) —

    y of the sprite position

  • img (Image) —

    sprite image

• #createSprite(x, y, image: img, offset: off, shape: shp) ⇒ Sprite

  pos: [x, y], size: [image.width, image.height], offset: [offset.x, offset.x]

  Parameters:

  • x (Numeric) —

    x of the sprite position

  • y (Numeric) —

    y of the sprite position

  • img (Image) —

    sprite image

  • off (Vector) —

    offset of the sprite image

  • shp (Shape) —

    shape of the sprite for physics calculations

• #createSprite(x, y, shape: shp) ⇒ Sprite

  pos: [x, y], size: [shape.width, shape.height]

  Parameters:

  • x (Numeric) —

    x of the sprite position

  • y (Numeric) —

    y of the sprite position

  • shp (Shape) —

    shape of the sprite for physics calculations

Returns:

• (Sprite) —

  the new sprite object

# File 'lib/rubysketch/sprite.rb', line 994

def createSprite(*args, context: nil, **kwargs)
  context ||= Context.context__
  addSprite Sprite.new(*args, context: context, **kwargs)
end

#debug=(state) ⇒ Object

# File 'lib/rubysketch/sprite.rb', line 1046

def debug=(state)
  @view.debug = state
end

#debug? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/rubysketch/sprite.rb', line 1050

def debug? = @view.debug?

#gravity(vec) ⇒ nil #gravity(ary) ⇒ nil #gravity(x, y) ⇒ nil

Sets gravity for the physics engine.

Overloads:

• #gravity(vec) ⇒ nil

  Parameters:

  • vec (Vector) —

    gracity vector

• #gravity(ary) ⇒ nil

  Parameters:

  • ary (Array<Numeric>) —

    gravityX, gravityY

• #gravity(x, y) ⇒ nil

  Parameters:

  • x (Numeric) —

    x of gravity vector

  • y (Numeric) —

    y of gracity vector

Returns:

• (nil) —

  nil

# File 'lib/rubysketch/sprite.rb', line 1035

def gravity(*args)
  x, y =
    case arg = args.first
    when Vector then arg.array
    when Array  then arg
    else args
    end
  @view.gravity x, y
  nil
end

#removeSprite(*sprites) ⇒ Sprite

Removes sprites from the physics engine.

Parameters:

• sprites (Sprite) —

  sprite objects

Returns:

• (Sprite) —

  first removed sprite

# File 'lib/rubysketch/sprite.rb', line 1016

def removeSprite(*sprites)
  sprites.each {@view.remove _1.getInternal__}
  sprites.first
end