Method: MiniGL::Particles::Particle#initialize

Defined in:
lib/minigl/particles.rb

#initialize(x:, y:, duration:, shape: nil, img: nil, **options) ⇒ Particle

Returns a new instance of Particle.



212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
 
# File 'lib/minigl/particles.rb', line 212

def initialize(x:, y:, duration:, shape: nil, img: nil, **options)
  @x = x
  @y = y
  @duration = duration
  @shape = shape
  @img = img
  @options = DEFAULT_OPTIONS.slice(*PARTICLE_OPTIONS).merge(options)
  @elapsed_time = 0

  if @options[:angle].is_a?(Range)
    @angle = rand(@options[:angle])
  elsif @options[:angle].is_a?(Numeric)
    @angle = @options[:angle]
  end

  if @options[:speed].is_a?(Hash)
    speed_x = @options[:speed][:x].is_a?(Range) ? rand(@options[:speed][:x]) : (@options[:speed][:x] || 0)
    speed_y = @options[:speed][:y].is_a?(Range) ? rand(@options[:speed][:y]) : (@options[:speed][:y] || 0)
    @speed = Vector.new(speed_x, speed_y)
  elsif @options[:speed].is_a?(Vector)
    @speed = @options[:speed]
  end

  init_variable_property(:scale)
  init_variable_property(:alpha)
end