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Size: 578 Bytes
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Contents
require 'forwardable' # The Nature of Code # Daniel Shiffman # http://natureofcode.com # class Spore extends the class "VerletParticle2D" class Particle < Physics::VerletParticle2D extend Forwardable def_delegators(:@app, :fill, :stroke, :stroke_weight, :ellipse, :physics) attr_reader :r def initialize(loc) super(loc) @app = $app @r = 8 physics.add_particle(self) physics.add_behavior(Physics::AttractionBehavior2D.new(self, r * 4, -1)) end def display fill 127 stroke 0 stroke_weight 2 ellipse x, y, r * 2, r * 2 end end
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9 entries across 9 versions & 1 rubygems