Sha256: 43d253ec31413d43cc5b3a459aa2b6c72332e02f0a7ef7eb01244895a246c0cd
Contents?: true
Size: 953 Bytes
Versions: 9
Compression:
Stored size: 953 Bytes
Contents
require 'ruby-processing'
# Move the mouse across the screen to move the circle.
# The program constrains the circle to its box.
class Constrain < Processing::App
def setup
no_stroke
smooth
ellipse_mode RADIUS
@mx, @my = 0.0, 0.0
@easing = 0.05
@ellipse_size = 25.0
@box_size = 30
@together = @box_size + @ellipse_size
end
def draw
background 51
@mx += (mouse_x - @mx) * @easing if (mouse_x - @mx).abs > 0.1
@my += (mouse_y - @my) * @easing if (mouse_y - @my).abs > 0.1
distance = @ellipse_size * 2
@mx = constrain @mx, (@box_size + distance), (width - @box_size - distance)
@my = constrain @my, (@box_size + distance), (height - @box_size - distance)
fill 76
rect @together, @together, @box_size * 3, @box_size * 3
fill 255
ellipse @mx, @my, @ellipse_size, @ellipse_size
end
end
Constrain.new :title => "Constrain", :width => 200, :height => 200
Version data entries
9 entries across 9 versions & 1 rubygems