Martin's Demo Page
"""
My little robot
"""
# Parameters
diameter = 400
centerx = diameter / 2
centery = diameter / 2
boxsize = 40
# Drawing style
def setup():
    # Set up Canvas
    colorMode(RGB, 1)
    size(diameter, diameter)
def draw():
    # increase boxsize with every single frame
    boxsize = 100 + 50 * sin(frameCount * 0.1)
    angle = PI/8 * sin(frameCount * 0.1)
    background(1, .8, .8)
    
    # define style
    fill(1, .5)
    rectMode(CENTER)
    fill(1, .5)
    stroke(1)
    strokeWeight(10)
    
    # Body
    rect(centerx, centery, boxsize, boxsize)
    
    # Arm positions
    position1x = centerx - boxsize / 2
    position1y = centery - boxsize / 2
    position2x = centerx + boxsize / 2
    position2y = centery - boxsize / 2
    
    # Right Arms
    drawArm(position2x, position2y, +1, angle - TWO_PI * 3/8)
    drawArm(position2x, position2y + boxsize/2, +1, angle)
    
    # Left Arms
    drawArm(position1x, position1y, -1, angle -TWO_PI * 3/8)
    drawArm(position1x, position1y + boxsize/2, -1, angle)
    # Head
    pushStyle()
    fill(.5, .5 ,1, .5)
    ellipse(centerx, centery - boxsize, boxsize, boxsize)
    popStyle()
    
    # saveFrame("my_robot_######.gif")
    # print(frameRate)
    
def drawArm(xpos, ypos, direction, angle = -TWO_PI /8):
    pushMatrix()
    translate(xpos, ypos)
    scale(direction, 1)
    rotate(angle)
    rectMode(CORNER)
    rect(0, 0, 20, 150)
    popMatrix()
    
