Sha256: e28a3e595e9c23c3842f8d6e32c3308aee258519ef586cb3659c9767f856be7a
Contents?: true
Size: 1.1 KB
Versions: 9
Compression:
Stored size: 1.1 KB
Contents
# * Demonstrates the syntax for creating an array of custom objects.
UNIT = 40
attr_reader :mods
def setup
size 640, 360
wide_count = width / UNIT
height_count = height / UNIT
@mods = []
wide_count.times do |i|
height_count.times do |j|
mods << CustomObject.new(j * UNIT, i * UNIT, UNIT/2, UNIT/2, rand(0.05 .. 0.8))
end
end
no_stroke
end
def draw
background 0
mods.each do |mod|
mod.update
mod.draw
end
end
# the custom object
class CustomObject
include Processing::Proxy
attr_reader :x, :y, :mx, :my, :size
def initialize(mx, my, x, y, speed)
@mx, @my = my, mx # This is backwards because the Processing example is backwards.
@x, @y = x.to_i, y.to_i
@xdir, @ydir = 1, 1
@speed = speed
@size = UNIT
end
def update
@x += @speed * @xdir
unless (0 .. size).cover? x
@xdir *= -1
@x += @xdir
@y += @ydir
end
if @y >= @size || x <= 0
@ydir *= -1
@y += @ydir
end
end
def draw
fill(255)
ellipse(mx + x, my + y, 6, 6)
end
end
Version data entries
9 entries across 9 versions & 1 rubygems