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Contents
# hello_world_rotate.rb
# original sketch and library by Ricard Marxer
# http://www.ricardmarxer.com/geomerative/
load_library :geomerative
java_import 'geomerative.RG'
# Create a reader for the object we are going to create in setup and use in draw
attr_reader :grp
def setup
# Initialize the sketch
size 600, 400
frame_rate 24
# VERY IMPORTANT: Always initialize the library in the setup
RG::init(self)
# Set colors
fill(255,102,0)
stroke(0)
# Load the font file we want to use (the file must be in the data folder in the sketch floder),
# with the size 72 and the alignment CENTER
@grp = RG::get_text("Hola Mundo!", "FreeSans.ttf", 72, CENTER)
smooth 4
end
def draw
# Clean frame
background(255)
# Set the origin to draw in the middle of the sketch
translate width / 2, height / 2
# Transform at each frame the first letter with a PI/20 radians
# rotation around the center of the first letter's center
grp.children[0].rotate(PI/20, grp.children[0].get_center)
# Draw the group of shapes representing "Hola Mundo!" on the PGraphics canvas g (which is the default canvas of the sketch)
grp.draw
end
Version data entries
9 entries across 9 versions & 1 rubygems