Circle

# Demonstrates shapes and colours in Processing
# Copyright 2021 Roland Richter

# Creates a 600×450 canvas with "Light sky blue" background
# HINT You can look up colors (e.g. http://latexcolor.com/),
#      but you can also use the Color Selector dialog in the
#      Tools menu above.
size(600, 450)
background("#87CEEB")

stroke("#FF4500")     # QUIZ What is the difference between the
fill("#FFCC33")       #      stroke color and the fill color?

# QUIZ What happens if you increase the stroke weight?
strokeWeight(1)

# QUIZ What does noStroke() do?
# noStroke()

# Draw a circle with diameter 42
circle(40, 25, 42)         # Where is it?
circle(400, 25, 42)        # ... and now?
circle(40, 250, 42)        # ... and now?
circle(40, 2500, 42)       # ... and now?
circle(width-40, 25, 42)   # ... now?
circle(40, height-25, 42)  # ... now?
circle(width-40, height+5, 42)  # ... now?
circle(0.5*width, 0.3*height, 42) # ?

# QUIZ Above, eight circles are drawn to the canvas.
#      How many can you see? Why?

# ----------------------------------------------------------------------
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.