def anaglyph(painter):
if graphics.PIL_available:
MAX_X = round(4/3*viewport_size)
MAX_Y = viewport_size
stereo = vp
depth = graphics.open_pixmap("Depthmap Viewport", viewport_size, viewport_size)
def get_depth(x,y, pix):
return pix[x,y][0]
painter([lp, rp], unit_frame)
#really! if you use getdata(), you need to calculate the offset in the array
#load() returns a "2d pixel array" or rather, whatever it returns acts like one for all intents and purposes
lp_pix = graphics.get_pixels(lp)
rp_pix = graphics.get_pixels(rp)
pixels = graphics.get_pixels(stereo)
for y in range(MAX_Y):
for x in range(MAX_X):
l = get_depth(x,y,lp_pix)
r = get_depth(x,y,rp_pix)
pixels[x,y] = (r,l,l)
graphics.pixels_to_canvas(stereo)
else:
print("PIL does not appear to be available")
def hollusion(painter, ports=None):
global active_hollusion
frequency = 2
MAX_X = round(4 / 3 * viewport_size)
MAX_Y = round(viewport_size)
num = ports
if ports == None or ports <= 2:
num = 9 #because python is faster than scheme. Used to be 3
buffers = list(
map(
lambda p: graphics.open_pixmap("buffer", 4 / 3 * viewport_size,
viewport_size), range(num)))
stereo = vp
def animation(cmd=None):
ports = buffers
kill = False
curr = -1
dir = 1
def Self(msg):
nonlocal kill
nonlocal curr
nonlocal Self
nonlocal dir
if msg == "next":
curr = (curr + dir)
if (curr == num or curr < 0):
dir = -dir
curr += 2 * dir
graphics.show_viewport(buffers[curr])
if (
kill != True
): #moved it here so you can happily next if the hollusion is dead.
vp[0].after(round(1000 / (frequency * len(ports))),
lambda: Self("next"))
#Timer(1/(frequency * len(ports)), Self, args=["next"]).start() #doesn't work because not thread safe
elif msg == "kill":
kill = True
elif msg == "buffer":
return ports
else:
return
return Self
painter(buffers, unit_frame)
if (active_hollusion != None):
active_hollusion("kill")
active_hollusion = animation()
active_hollusion("next")
return active_hollusion
def hollusion(painter, ports=None):
global active_hollusion
frequency = 2
MAX_X = round(4/3*viewport_size)
MAX_Y = round(viewport_size)
num = ports
if ports == None or ports <= 2:
num = 9 #because python is faster than scheme. Used to be 3
buffers = list(map(lambda p: graphics.open_pixmap("buffer", 4/3*viewport_size,viewport_size), range(num)))
stereo = vp
def animation(cmd=None):
ports = buffers
kill = False
curr = -1
dir = 1
def Self(msg):
nonlocal kill
nonlocal curr
nonlocal Self
nonlocal dir
if msg == "next":
curr = (curr+dir)
if (curr == num or curr<0):
dir = -dir
curr += 2*dir
graphics.show_viewport(buffers[curr])
if(kill != True): #moved it here so you can happily next if the hollusion is dead.
vp[0].after(round(1000/(frequency * len(ports))), lambda: Self("next"))
#Timer(1/(frequency * len(ports)), Self, args=["next"]).start() #doesn't work because not thread safe
elif msg == "kill":
kill = True
elif msg == "buffer":
return ports
else:
return
return Self
painter(buffers, unit_frame)
if(active_hollusion != None):
active_hollusion("kill")
active_hollusion = animation()
active_hollusion("next")
return active_hollusion
def stereogram(painter):
E = 300 #distance between eyes in pixels
D = 600 #distance between eyes and image plane in pixels
delta = 40 #stereo separation
MAX_X = round(4/3*viewport_size)
MAX_Y = viewport_size
MAX_Z = 0
CENTRE = round(MAX_X/2)
stereo = vp
pixels = graphics.get_pixels(stereo)
depthmap = graphics.open_pixmap("temp", 4/3*viewport_size, viewport_size)
depth_pix = graphics.get_pixels(depthmap)
painter(depthmap, unit_frame)
Infinity = float("inf")
depth_pix = graphics.get_pixels(depthmap)
def get_depth(x,y):
if((x>=(1/6*viewport_size)) and (x<(MAX_X-(1/6*viewport_size)))):
return -100*depth_pix[x,y][0]/255 - 400
else:
return -500
for y in range(MAX_Y):
link_left = {}
link_right = {}
colours = {}
for x in range(MAX_X):
z = get_depth(x,y)
s = delta + z*(E/(z-D)) #Determine distance between intersection of lines of sight on image
left = x - round(s/2) #x is integer, left is integer
right = left + round(s) #right is integer
if (left>0 and right<MAX_X):
if(( not(left in link_right) or s<link_right[left]) and (not(right in link_left) or s<link_left[right])):
link_right[left] = round(s)
link_left[right] = round(s)
#constraint resolution
for x in range(MAX_X):
try:
s = link_left[x]
except KeyError:
s = Infinity
if(s != Infinity):
s = x
d = None
if(x-s>0):
d = link_right[x-s]
else:
d = Infinity
if(s == Infinity or (s>d)):
link_left[x] = 0
#drawing step
for x in range(MAX_X):
s = link_left[x] #should be valid for [0, MAX_X-1]
try:
colour = colours[x-s]
except KeyError:
colour = (round(random()*10/9*255),round(random()*10/9*255),round(random()*10/9*255))
pixels[x,y] = colour
colours[x] = colour
graphics.pixels_to_canvas(stereo)
spread = 20 #used to be 20, but i like at 80
active_hollusion = None
lastframe = None
#Setup
import graphics
import math
import time
import PyGif
Posn = graphics.Posn
Rgb = graphics.Rgb
draw_solid_polygon = graphics.draw_solid_polygon
graphics.init(viewport_size)
vp = graphics.open_viewport("ViewPort", 4/3*viewport_size, viewport_size)
lp = graphics.open_pixmap("LeftPort", 4/3*viewport_size, viewport_size)
rp = graphics.open_pixmap("RightPort", 4/3*viewport_size, viewport_size)
def clear_all():
global active_hollusion
global vp, lp, rp
if(active_hollusion != None):
active_hollusion("kill")
active_hollusion = None
graphics.clear_viewport(vp)
graphics.clear_viewport(lp)
graphics.clear_viewport(rp)
class Frame:
def __init__(self, p0, p1, p2, z1, z2):
self.orig = p0
