Sha256: 295426cd158ff954e27cdda904238f4f51b8209375ea6a8441e4a14961ef7780
Contents?: true
Size: 920 Bytes
Versions: 30
Compression:
Stored size: 920 Bytes
Contents
require_relative 'chipmunk/chipmunk'
module ChipMunk
def cp_space
@space = CP::Space.new
@space.damping = 0.8
@space.gravity = vec2 0, 25
@space
end
def cp_oval l, t, r, opts = {}
b = CP::Body.new 1,1
b.p = vec2 l, t
@space.add_body b
@space.add_shape CP::Shape::Circle.new(b, r, vec2(0, 0))
opts = opts.merge({left: l-r-1, top: t-r-1, width: 2*r+2, height: 2*r+2, body: b, inflate: r-2})
oval opts
end
def cp_line x0, y0, x1, y1, opts = {}
opts[:strokewidth] = 5 unless opts[:strokewidth]
sb = CP::Body.new 1.0/0.0, 1.0/0.0
seg = CP::Shape::Segment.new sb, vec2(x0, y0), vec2(x1, y1), opts[:strokewidth]
@space.add_shape seg
line x0, y0, x1, y1, opts
end
end
Shoes::ShapeBase.class_eval do
def cp_move
move args[:body].p.x.to_i - args[:inflate], args[:body].p.y.to_i - args[:inflate]
end
end
Version data entries
30 entries across 30 versions & 1 rubygems