Sha256: 0c383cba5c474678c573ace99616f0ffd8342e6fd79e2aa8b8eecae382f40cef
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Contents
#
# Buttons and bodies
# by Ricard Marxer
# This example shows how to create a blob.
#
# set_fill and set_stroke methods are missing
# when run using builtin jruby-complete yet work
# OK when using an external jruby
#
load_library :fisica
include_package 'fisica'
CIRCLE_COUNT = 20
HOLE = 50
TOP_MARGIN = 50
BOTTOM_MARGIN = 300
SIDE_MARGIN = 100
attr_reader :world, :x_pos
def setup
size(400, 400)
smooth
@x_pos = 0
Fisica.init(self)
@world = FWorld.new
world.setGravity(0, -300)
l = FPoly.new
l.vertex(width/2-HOLE/2, 0)
l.vertex(0, 0)
l.vertex(0, height)
l.vertex(0 + SIDE_MARGIN, height)
l.vertex(0 + SIDE_MARGIN, height-BOTTOM_MARGIN)
l.vertex(width/2-HOLE/2, TOP_MARGIN)
l.set_static(true)
l.set_fill(0)
l.set_friction(0)
world.add(l)
r = FPoly.new
r.vertex(width/2 + HOLE/2, 0)
r.vertex(width, 0)
r.vertex(width, height)
r.vertex(width-SIDE_MARGIN, height)
r.vertex(width-SIDE_MARGIN, height-BOTTOM_MARGIN)
r.vertex(width/2 + HOLE/2, TOP_MARGIN)
r.set_static(true)
r.set_fill(0)
r.set_friction(0)
world.add(r)
end
def draw
background(80, 120, 200)
fill(0)
if ((frame_count % 40) == 1)
b = FBlob.new
s = rand(30 .. 40)
space = (width - SIDE_MARGIN * 2-s)
@x_pos = (x_pos + rand(s .. space/2.0)) % space
b.set_as_circle(SIDE_MARGIN + x_pos + s / 2, height - rand(100), s, 20)
b.set_stroke(0)
b.set_stroke_weight(2)
b.set_fill(255)
b.set_friction(0)
world.add(b)
end
world.step
world.draw
end
def key_pressed
save_frame("screenshot.png")
end
Version data entries
9 entries across 9 versions & 1 rubygems