sketch-a-day/sketch_180130c/sketch_180130c.pyde

58 wiersze
1.7 KiB
Python

"""
s18030c - Alexandre B A Villares
https://abav.lugaralgum.com/sketch-a-day
Drag the mouse over the canvas to draw
the 'brush' varies with mouse speed.
"""
add_library('peasycam')
LIST, speed = [], [0, 0]
SAVE_FRAME, FRAME_COUNT = False, 0
def setup():
global cam
cam = PeasyCam(this, 400)
cam.setLeftDragHandler(None) # nenhum Handler para o botão da esquerda
orbitDH = cam.getRotateDragHandler() # pega o RotateDragHandler
cam.setRightDragHandler(orbitDH) # joga para o botão da direita
size(500, 500, P3D)
colorMode(HSB)
noFill()
def draw():
global SAVE_FRAME, FRAME_COUNT
background(100)
for i, (w, x, y, px, py) in enumerate(LIST):
c = map(w, 0, 10, 0, 255) # maps 1 to 10 to 0 to 255 scale
stroke((c + frameCount) % 255, 255, 255) # circle colors
# strokeWeight(abs(w)/2)
with pushMatrix():
translate(0, 0, (i - len(LIST))*2)
ellipse(x - width/2, y - height/2, w ** 2, w ** 2)
x, y, px, py = mouseX, mouseY, pmouseX , pmouseY
# squareroot of dist to previous mouse pos
speed[0] = (dist(x, y, px, py)) ** 0.5
# mean of 10 minus speed & previous
w = ((10 - speed[0]) + (10 - speed[1])) / 2
speed[1] = speed[0] # updates previous speed
if mousePressed and mouseButton == LEFT:
cam.reset()
LIST.append((w, x, y, px, py))
if SAVE_FRAME and FRAME_COUNT < 256:
saveFrame("####.tga")
FRAME_COUNT += 1
elif SAVE_FRAME:
SAVE_FRAME = False
print "Recording finished."
def keyPressed():
global SAVE_FRAME, FRAME_COUNT
if key == ' ':
LIST[:] = []
if key == 's' and not SAVE_FRAME:
SAVE_FRAME, FRAME_COUNT = True, 0
print "Recording started."