forked from protonphoton/LJ
Merge branch 'master' of https://git.interhacker.space/teamlaser/LJ
This commit is contained in:
commit
0e8db219c2
201
clitools/filters/anaglyph.py
Executable file
201
clitools/filters/anaglyph.py
Executable file
@ -0,0 +1,201 @@
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#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# -*- mode: Python -*-
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'''
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anaglyph
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v0.1.0
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Attempts to create a valid 3D-glasses structure
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LICENCE : CC
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by cocoa
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'''
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from __future__ import print_function
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import argparse
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import ast
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import math
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import os
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import random
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import sys
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import time
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name = "filters::cycle"
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maxDist = 300
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argsparser = argparse.ArgumentParser(description="Redis exporter LJ")
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argsparser.add_argument("-x","--centerX",help="geometrical center X position",default=400,type=int)
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argsparser.add_argument("-y","--centerY",help="geometrical center Y position",default=400,type=int)
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argsparser.add_argument("-m","--min",help="Minimal displacement (default:2) ",default=1,type=int)
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argsparser.add_argument("-M","--max",help="Maximal displacement (default:20) ",default=5,type=int)
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argsparser.add_argument("-f","--fps",help="Frame Per Second",default=30,type=int)
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argsparser.add_argument("-v","--verbose",action="store_true",help="Verbose")
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args = argsparser.parse_args()
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fps = args.fps
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minVal = args.min
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maxVal = args.max
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centerX = args.centerX
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centerY = args.centerY
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verbose = args.verbose
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optimal_looptime = 1 / fps
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name = "filters::anaglyph"
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def debug(*args, **kwargs):
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if( verbose == False ):
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return
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print(*args, file=sys.stderr, **kwargs)
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def rgb2int(rgb):
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#debug(name,"::rgb2int rbg:{}".format(rgb))
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return int('0x%02x%02x%02x' % tuple(rgb),0)
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def isValidColor( color, intensityColThreshold ):
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if color[0] + color[1] + color[2] > intensityColThreshold:
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return True
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return False
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# These are paper colors
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red = (41,24,24)
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white = (95,95,95)
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blue = (0,41,64)
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red = (86,0,0)
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blue = (0,55,86)
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white = (125,125,125)
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def anaglyph( pl ):
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debug(name,'--------------- new loop ------------------')
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# We will send one list after the other to optimize color change
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blueList = list()
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redList = list()
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whiteList = list()
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out = []
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out1 = []
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out2 = []
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out3 = []
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# The anaglyphic effect will be optained by :
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# * having close objects appear as white
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# * having distant objects appear as blue + red
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# * having in between objects appear as distanceDecreased(white) + blue + red
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for i, point in enumerate(pl):
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ref_x = point[0]-centerX
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ref_y = point[1]-centerY
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ref_color = point[2]
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angle = math.atan2( ref_x , ref_y )
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dist = ref_y / math.cos(angle)
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white_rvb = (0,0,0)
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blue_rvb = (0,0,0)
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red_rvb = (0,0,0)
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# Calculate the point's spread factor (0.0 to 1.0)
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# The spread is high if the point is close to center
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"""
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dist = 0 : spread = 1.0
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dist = maxDist spread = 0.0
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"""
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if dist == 0:
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spread = 1.0
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else :
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spread =( maxDist - dist ) / maxDist
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if spread < 0.0:
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spread = 0.0
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#debug(name,"dist:{} spread:{}".format(dist,spread))
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# White color is high if spread is low, i.e. point away from center
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"""
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spread = 1.0 : white_c = 0.0
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spread = 0.0 : whice_c = 1.0
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"""
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if point[2] == 0:
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white_color = 0
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else:
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white_factor = 1.0 - math.pow(spread,0.5)
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white_rvb = tuple(map( lambda a: int(white_factor* a), white))
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white_color = rgb2int( white_rvb)
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#debug(name,"spread:{}\t white_rvb:{}\t white_color:{}".format(spread, white_rvb, white_color))
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# Blue and Red colors are high if spread is high, i.e. close to center
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"""
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spread = 1.0 : red_c = 1.0
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spread = 0.0 : red_c = 0.0
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"""
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color_factor = math.pow(spread,1)
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if point[2] == 0:
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blue_color = 0
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red_color = 0
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else:
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blue_rvb = tuple(map( lambda a: int(color_factor * a), blue))
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blue_color = rgb2int( blue_rvb)
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red_rvb = tuple(map( lambda a: int(color_factor * a), red))
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red_color = rgb2int( red_rvb)
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#debug(name,"color_factor:{}\t\t blue_color:{}\t\t red_color:{}".format(color_factor,blue_color,red_color))
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# Blue-to-Red spatial spread is high when spread is high, i.e. point close to center
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"""
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spread = 1.0 : spatial_spread = maxVal
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spread = 0.0 : spatial_spread = minVal
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"""
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spatial_spread = minVal + spread * (maxVal - minVal)
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#debug(name,"spatial_spread:{}".format(spatial_spread))
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red_x = int(point[0] + spatial_spread)
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blue_x = int(point[0] - spatial_spread )
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red_y = int(point[1] )
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blue_y = int(point[1])
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white_point = [point[0], point[1], white_color]
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blue_point = [blue_x,blue_y,blue_color]
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red_point = [red_x,red_y,red_color]
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#debug(name,"white[x,y,c]:{}".format(white_point))
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#debug(name,"blue[x,y,c]:{}".format(blue_point))
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#debug(name,"red[x,y,c]:{}".format(red_point))
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# Do not append "black lines" i.e. a color where each composent is below X
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# if isValidColor(white_rvb, 150):
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# out1.append(white_point)
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# if isValidColor(blue_rvb, 50):
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# out2.append(blue_point)
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# if isValidColor(red_rvb, 30):
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# out3.append(red_point)
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out1.append(white_point)
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out2.append(blue_point)
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out3.append(red_point)
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#debug(name,"source pl:{}".format(pl))
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debug(name,"whiteList:{}".format(out1))
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debug(name,"blueList:{}".format(out2))
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debug(name,"redList:{}".format(out3))
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return out3 + out2
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return out1 + out3 + out2
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#return out1 + out2 + out3
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try:
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while True:
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start = time.time()
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line = sys.stdin.readline()
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if line == "":
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time.sleep(0.01)
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line = line.rstrip('\n')
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pointsList = ast.literal_eval(line)
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# Do the filter
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result = anaglyph( pointsList )
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print( result, flush=True )
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looptime = time.time() - start
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# debug(name+" looptime:"+str(looptime))
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if( looptime < optimal_looptime ):
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time.sleep( optimal_looptime - looptime)
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# debug(name+" micro sleep:"+str( optimal_looptime - looptime))
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except EOFError:
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debug(name+" break")# no more information
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@ -54,7 +54,6 @@ def kaleidoscope( pl ):
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# Iterate trough the segments
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for i in range( 0, len(pl) ):
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#debug(name+" point #", i)
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currentpoint = cp = pl[i]
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cx,cy,cc = [cp[0],cp[1],cp[2]]
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@ -74,8 +73,8 @@ def kaleidoscope( pl ):
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#debug(name+" rect: ", rect,"curr",currentpoint,"next",nextpoint )
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# Enumerate the points in rectangle to see
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# how many right / wrong there are to add or skip early
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#
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# how many right / wrong there are
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# either to add or skip early
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for iterator, p in enumerate(rect):
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if p[0] >= centerX and p[1] >= centerY:
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right += 1
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@ -118,7 +117,7 @@ def kaleidoscope( pl ):
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#print("on x axis, v=",str(v)," and absnewY=",str(absnewY))
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crossY = [( absnewY*v[0] + cy ),( absnewY*v[1]+cy ), nc]
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# Inject in order
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# If current is valid, Add
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# If current point is the quadrant, add it
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if cx >= centerX and cy >= centerY :
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quad1.append( currentpoint )
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# If absnewX smaller, it is closest to currentPoint
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@ -128,6 +127,9 @@ def kaleidoscope( pl ):
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else :
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if None != crossY : quad1.append( crossY )
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if None != crossX : quad1.append( crossX )
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# Add a black point at the end
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#lastQuad1Point = quad1[-1]
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#quad1.append( [lastQuad1Point[0],lastQuad1Point[1],0] )
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## Stage 2 : Mirror points
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#
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@ -144,10 +146,10 @@ def kaleidoscope( pl ):
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point = quad3[iterator]
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quad4.append([ 2*centerX - point[0], point[1], point[2] ])
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debug(name+" quad1:",quad1)
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#debug(name+" quad1:",quad1)
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#debug(name+" quad2:", quad2 )
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debug(name+" quad3:", quad3 )
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debug(name+" quad4:", quad4 )
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#debug(name+" quad3:", quad3 )
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#debug(name+" quad4:", quad4 )
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return quad3+quad4
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try:
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@ -34,16 +34,18 @@ def debug(*args, **kwargs):
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if( verbose == False ):
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return
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print(*args, file=sys.stderr, **kwargs)
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def now():
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return time.time() * 1000
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def msNow():
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return time.time()
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# The list of available modes and the redis keys they need
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# The list of available modes => redis keys each requires to run
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oModeList = {
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"rms_noise": ["rms"],
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"rms_size": ["rms"],
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"bpm_size": ["bpm"]
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"bpm_size": ["bpm"],
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"bpm_detect_size": ["bpm","bpm_delay","bpm_sample_interval","beats"]
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}
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CHAOS = 1
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REDISLATENCY = 30
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REDIS_FREQ = 300
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# General Args
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@ -58,17 +60,19 @@ argsparser.add_argument("-x","--centerX",help="geometrical center X position",de
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argsparser.add_argument("-y","--centerY",help="geometrical center Y position",default=400,type=int)
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argsparser.add_argument("-f","--fps",help="Frame Per Second",default=30,type=int)
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# Modes And Common Modes Parameters
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argsparser.add_argument("-l","--redisLatency",help="Latency in ms to substract. Default:{}".format(REDISLATENCY),default=REDISLATENCY,type=float)
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argsparser.add_argument("-m","--modelist",required=True,help="Comma separated list of modes to use from: {}".format("i, ".join(oModeList.keys())),type=str)
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argsparser.add_argument("--chaos",help="How much disorder to bring. High value = More chaos. Default {}".format(CHAOS), default=CHAOS, type=str)
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args = argsparser.parse_args()
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ip = args.ip
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port = args.port
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redisFreq = args.redis_freq
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redisFreq = args.redis_freq / 1000
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verbose = args.verbose
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fps = args.fps
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centerX = args.centerX
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centerY = args.centerY
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redisLatency = args.redisLatency
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chaos = float(args.chaos)
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optimal_looptime = 1 / fps
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@ -82,33 +86,127 @@ for mode in modeList:
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redisKeys = list(set(redisKeys))
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debug(name,"Redis Keys:{}".format(redisKeys))
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redisData = {}
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redisLastHit = now() - redisFreq
|
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redisLastHit = msNow() - 99999
|
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r = redis.Redis(
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host=ip,
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||||
port=port)
|
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|
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# Records the last bpm
|
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last_bpm = time.time()
|
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tsLastBeat = time.time()
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def gauss(x, mu, sigma):
|
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return( math.exp(-math.pow((x-mu),2)/(2*math.pow(sigma,2))/math.sqrt(2*math.pi*math.pow(sigma,2))))
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||||
|
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previousPTTL = 0
|
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tsNextBeatsList = []
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def bpmDetect( ):
|
||||
"""
|
||||
An helper to compute the next beat time in milliseconds
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||||
Returns True if the cache was updated
|
||||
"""
|
||||
global tsNextBeatsList
|
||||
global previousPTTL
|
||||
global redisLastHit
|
||||
global redisLatency
|
||||
|
||||
def bpm_size( pl ):
|
||||
global last_bpm
|
||||
# Get the redis PTTL value for bpm
|
||||
PTTL = redisData["bpm_pttl"]
|
||||
|
||||
# Skip early if PTTL < 0
|
||||
if PTTL < 0 :
|
||||
debug(name,"bpmDetect skip detection : PTTL expired for 'bpm' key")
|
||||
return False
|
||||
|
||||
# Skip early if the record hasn't been rewritten
|
||||
if PTTL <= previousPTTL :
|
||||
previousPTTL = PTTL
|
||||
#debug(name,"bpmDetect skip detection : {} <= {}".format(PTTL, previousPTTL))
|
||||
return False
|
||||
debug(name,"bpmDetect running detection : {} > {}".format(PTTL, previousPTTL))
|
||||
previousPTTL = PTTL
|
||||
|
||||
# Skip early if beat list is empty
|
||||
beatsList = ast.literal_eval(redisData["beats"])
|
||||
tsNextBeatsList = []
|
||||
if( len(beatsList) == 0 ):
|
||||
return True
|
||||
|
||||
# Read from redis
|
||||
bpm = float(redisData["bpm"])
|
||||
# Milliseconds ber beat
|
||||
milliSecondsPerBeat = int(60 / bpm * 1000)
|
||||
msBpmDelay = float(redisData["bpm_delay"])
|
||||
samplingInterval = float(redisData["bpm_sample_interval"])
|
||||
|
||||
# Calculate some interpolations
|
||||
lastBeatTiming = float(beatsList[len(beatsList) - 1])
|
||||
msPTTLDelta = 2 * samplingInterval - float(PTTL)
|
||||
sPerBeat = 60 / bpm
|
||||
lastBeatDelay = msBpmDelay - lastBeatTiming*1000 + msPTTLDelta
|
||||
countBeatsPast = math.floor( (lastBeatDelay / 1000) / sPerBeat)
|
||||
#debug(name,"bpmDetect lastBeatTiming:{}\tmsPTTLDelta:{}\tsPerBeat:{}".format(lastBeatTiming,msPTTLDelta,sPerBeat))
|
||||
#debug(name,"lastBeatDelay:{}\t countBeatsPast:{}".format(lastBeatDelay, countBeatsPast))
|
||||
for i in range( countBeatsPast, 1000):
|
||||
beatTime = i * sPerBeat - lastBeatTiming
|
||||
if beatTime < 0:
|
||||
continue
|
||||
if beatTime * 1000 > 2 * samplingInterval :
|
||||
break
|
||||
#debug(name, "bpmDetect beat add beatTime:{} redisLastHit:{}".format(beatTime, redisLastHit))
|
||||
tsNextBeatsList.append( redisLastHit + beatTime - redisLatency/1000)
|
||||
debug(name, "bpmDetect new tsNextBeatsList:{}".format(tsNextBeatsList))
|
||||
|
||||
return True
|
||||
|
||||
def bpm_detect_size( pl ):
|
||||
bpmDetect()
|
||||
|
||||
# Find the next beat in the list
|
||||
tsNextBeat = 0
|
||||
|
||||
now = time.time()
|
||||
msNearestBeat = None
|
||||
msRelativeNextBTList = list(map( lambda a: abs(now - a) * 1000, tsNextBeatsList))
|
||||
msToBeat = min( msRelativeNextBTList)
|
||||
|
||||
#debug(name,"bpm_detect_size msRelativeNextBTList:{} msToBeat:{}".format(msRelativeNextBTList,msToBeat))
|
||||
# Calculate the intensity based on bpm coming/leaving
|
||||
# The curb is a gaussian
|
||||
mu = math.sqrt(milliSecondsPerBeat)
|
||||
milliTimeToLastBeat = (time.time() - last_bpm) * 1000
|
||||
milliTimeToNextBeat = (milliSecondsPerBeat - milliTimeToLastBeat)
|
||||
intensity = gauss( milliTimeToNextBeat, 0 , mu)
|
||||
debug(name,"bpm_size","milliSecondsPerBeat:{}\tmu:{}".format(milliSecondsPerBeat, mu))
|
||||
debug(name,"bpm_size","milliTimeToLastBeat:{}\tmilliTimeToNextBeat:{}\tintensity:{}".format(milliTimeToLastBeat, milliTimeToNextBeat, intensity))
|
||||
if milliTimeToNextBeat <= 0 :
|
||||
last_bpm = time.time()
|
||||
mu = 15
|
||||
intensity = gauss( msToBeat, 0 , mu)
|
||||
#debug(name,"bpm_size","mu:{}\t msToBeat:{}\tintensity:{}".format(mu, msToBeat, intensity))
|
||||
if msToBeat < 20:
|
||||
debug(name,"bpm_detect_size kick:{}".format(msToBeat))
|
||||
pass
|
||||
for i, point in enumerate(pl):
|
||||
ref_x = point[0]-centerX
|
||||
ref_y = point[1]-centerY
|
||||
#debug(name,"In new ref x:{} y:{}".format(point[0]-centerX,point[1]-centerY))
|
||||
angle=math.atan2( point[0] - centerX , point[1] - centerY )
|
||||
l = ref_y / math.cos(angle)
|
||||
new_l = l * intensity
|
||||
#debug(name,"bpm_size","angle:{} l:{} new_l:{}".format(angle,l,new_l))
|
||||
new_x = math.sin(angle) * new_l + centerX
|
||||
new_y = math.cos(angle) * new_l + centerY
|
||||
#debug(name,"x,y:({},{}) x',y':({},{})".format(point[0],point[1],new_x,new_y))
|
||||
pl[i][0] = new_x
|
||||
pl[i][1] = new_y
|
||||
#debug( name,"bpm_detect_size output:{}".format(pl))
|
||||
return( pl );
|
||||
|
||||
def bpm_size( pl ):
|
||||
global tsLastBeat
|
||||
bpm = float(redisData["bpm"])
|
||||
# msseconds ber beat
|
||||
msPerBeat = int(60 / bpm * 1000)
|
||||
# Calculate the intensity based on bpm coming/leaving
|
||||
# The curb is a gaussian
|
||||
mu = math.sqrt(msPerBeat)
|
||||
msTimeToLastBeat = (time.time() - tsLastBeat) * 1000
|
||||
msTimeToNextBeat = (msPerBeat - msTimeToLastBeat)
|
||||
intensity = gauss( msTimeToNextBeat, 0 , mu)
|
||||
debug(name,"bpm_size","msPerBeat:{}\tmu:{}".format(msPerBeat, mu))
|
||||
debug(name,"bpm_size","msTimeToLastBeat:{}\tmsTimeToNextBeat:{}\tintensity:{}".format(msTimeToLastBeat, msTimeToNextBeat, intensity))
|
||||
if msTimeToNextBeat <= 0 :
|
||||
tsLastBeat = time.time()
|
||||
for i, point in enumerate(pl):
|
||||
ref_x = point[0]-centerX
|
||||
ref_y = point[1]-centerY
|
||||
@ -158,21 +256,30 @@ def rms_noise( pl ):
|
||||
return pl
|
||||
|
||||
|
||||
def updateRedis():
|
||||
def refreshRedis():
|
||||
global redisLastHit
|
||||
global redisData
|
||||
for key in redisKeys:
|
||||
redisData[key] = r.get(key).decode('ascii')
|
||||
debug("name","updateRedis key:{} value:{}".format(key,redisData[key]))
|
||||
if key == 'bpm':
|
||||
redisData['bpm_ttl'] = r.pttl(key)
|
||||
debug(name,"redisData:{}".format(redisData))
|
||||
# Skip if cache is sufficent
|
||||
diff = msNow() - redisLastHit
|
||||
if diff < redisFreq :
|
||||
#debug(name, "refreshRedis not updating redis, {} < {}".format(diff, redisFreq))
|
||||
pass
|
||||
else:
|
||||
#debug(name, "refreshRedis updating redis, {} > {}".format(diff, redisFreq))
|
||||
redisLastHit = msNow()
|
||||
for key in redisKeys:
|
||||
redisData[key] = r.get(key).decode('ascii')
|
||||
#debug(name,"refreshRedis key:{} value:{}".format(key,redisData[key]))
|
||||
# Only update the TTLs
|
||||
if 'bpm' in redisKeys:
|
||||
redisData['bpm_pttl'] = r.pttl('bpm')
|
||||
#debug(name,"refreshRedis key:bpm_ttl value:{}".format(redisData["bpm_pttl"]))
|
||||
#debug(name,"redisData:{}".format(redisData))
|
||||
return True
|
||||
|
||||
try:
|
||||
while True:
|
||||
# it is time to query redis
|
||||
if now() - redisLastHit > redisFreq:
|
||||
updateRedis()
|
||||
refreshRedis()
|
||||
start = time.time()
|
||||
line = sys.stdin.readline()
|
||||
if line == "":
|
||||
|
||||
@ -34,7 +34,7 @@ argsparser = argparse.ArgumentParser(description="tunnel generator")
|
||||
argsparser.add_argument("-c","--color",help="Color",default=65280,type=int)
|
||||
argsparser.add_argument("-f","--fps",help="Frame Per Second",default=30,type=int)
|
||||
argsparser.add_argument("-i","--interval",help="point per shape interval",default=30,type=int)
|
||||
argsparser.add_argument("-m","--max-size",help="maximum size for objects",default=500,type=int)
|
||||
argsparser.add_argument("-m","--max-size",help="maximum size for objects",default=400,type=int)
|
||||
argsparser.add_argument("-r","--randomize",help="center randomization",default=5,type=int)
|
||||
argsparser.add_argument("-s","--speed",help="point per frame progress",default=3,type=int)
|
||||
argsparser.add_argument("-v","--verbose",action="store_true",help="Verbose output")
|
||||
@ -77,14 +77,19 @@ class polylineGenerator( object ):
|
||||
self.polylineList = [[0,[currentCenter[0],currentCenter[1]]]]
|
||||
self.buf = []
|
||||
|
||||
def init(self):
|
||||
finished = False
|
||||
while not finished:
|
||||
finished = self.increment()
|
||||
debug(name,"init done:{}".format(self.polylineList))
|
||||
def draw( self ):
|
||||
self.buf = []
|
||||
for it_pl, infoList in enumerate(self.polylineList):
|
||||
size = infoList[0]
|
||||
center = infoList[1]
|
||||
for it_sqr, point in enumerate(shape):
|
||||
x = center[0] + point[0]*size
|
||||
y = center[1] + point[1]*size
|
||||
x = int( center[0] + point[0]*size )
|
||||
y = int( center[1] + point[1]*size )
|
||||
# Add an invisible point in first location
|
||||
if 0 == it_sqr:
|
||||
self.buf.append([x,y,0])
|
||||
@ -114,22 +119,43 @@ class polylineGenerator( object ):
|
||||
speed = origSpeed
|
||||
elif speed > (origSpeed + randomize / 2) :
|
||||
speed = origSpeed + randomize / 2
|
||||
debug(name, "currentCenter:{} speed:{}".format(currentCenter,speed))
|
||||
#debug(name, "currentCenter:{} speed:{}".format(currentCenter,speed))
|
||||
|
||||
for i, shapeInfo in enumerate(self.polylineList):
|
||||
size = shapeInfo[0]
|
||||
size += speed
|
||||
# Augment speed with size
|
||||
"""
|
||||
size = 0 : += sqrt(speed)
|
||||
size = half max size : +=speed
|
||||
|
||||
"""
|
||||
if size < max_size / 4:
|
||||
size += math.pow(speed, 0.1)
|
||||
elif size < max_size / 3:
|
||||
size += math.pow(speed, 0.25)
|
||||
elif size < max_size / 2:
|
||||
size += math.pow(speed, 0.5)
|
||||
else:
|
||||
size += math.pow(speed, 1.25)
|
||||
if size < min_size : min_size = size
|
||||
if size > max_size : delList.append(i)
|
||||
self.polylineList[i][0] = size
|
||||
for i in delList:
|
||||
del self.polylineList[i]
|
||||
if min_size >= interval: self.polylineList.append([0,[currentCenter[0],currentCenter[1]]])
|
||||
#debug(name, "polyline:",self.polylineList)
|
||||
if min_size >= interval:
|
||||
debug(name, "new shape")
|
||||
self.polylineList.append([0,[currentCenter[0],currentCenter[1]]])
|
||||
|
||||
# Return True if we delete a shape
|
||||
|
||||
if len(delList):
|
||||
return True
|
||||
return False
|
||||
|
||||
|
||||
pgen = polylineGenerator()
|
||||
|
||||
pgen.init()
|
||||
|
||||
while True:
|
||||
start = time.time()
|
||||
@ -140,7 +166,7 @@ while True:
|
||||
# send
|
||||
pl = pgen.draw()
|
||||
print(pl, flush=True)
|
||||
debug(name,"output:{}".format(pl))
|
||||
#debug(name,"output:{}".format(pl))
|
||||
|
||||
looptime = time.time() - start
|
||||
if( looptime < optimal_looptime ):
|
||||
|
||||
@ -517,70 +517,39 @@
|
||||
var zoom = 0.5;
|
||||
//ctx.save
|
||||
|
||||
|
||||
// Todo : laser point will have black points to go from a polyline to another. Need to discard those black points.
|
||||
// Draws every segment received, except black colored target ones
|
||||
function draw() {
|
||||
|
||||
|
||||
// Clear Canvas At The Start Of Every Frame
|
||||
//ctx.restore
|
||||
|
||||
if (pl2.length > 0)
|
||||
{
|
||||
|
||||
// Begin a new path
|
||||
// 0.7 reduces max coordinates in a more browser compatible resolution.
|
||||
{
|
||||
ctx.clearRect(0,0,400,400);
|
||||
ctx.beginPath();
|
||||
|
||||
ctx.moveTo(pl2[0]*zoom, pl2[1]*zoom);
|
||||
lastpoint.color = pl2[2];
|
||||
|
||||
// Draw n Lines
|
||||
for (var i = 0; i < pl2.length/3; i++)
|
||||
{
|
||||
|
||||
// New point has the same color -> add a new line to the new point
|
||||
if (pl2[2+(i*3)] === lastpoint.color)
|
||||
{
|
||||
ctx.lineTo(pl2[i*3]*zoom, pl2[1+(i*3)]*zoom);
|
||||
}
|
||||
|
||||
// New point has different color -> stroke with previous color
|
||||
if (pl2[2+(i*3)] != lastpoint.color)
|
||||
{
|
||||
ctx.strokeStyle = "#"+(lastpoint.color + Math.pow(16, 6)).toString(16).slice(-6);
|
||||
ctx.stroke();
|
||||
ctx.closePath()
|
||||
//ctx.restore
|
||||
ctx.beginPath();
|
||||
//ctx.clearRect(0,0,400,400);
|
||||
|
||||
ctx.moveTo(pl2[i*3]*zoom, pl2[1+(i*3)]*zoom);
|
||||
}
|
||||
|
||||
// Last point -> stroke with current color
|
||||
if (i === (pl2.length/3)-1 )
|
||||
{
|
||||
ctx.moveTo(pl2[i*3]*zoom, pl2[1+(i*3)]*zoom);
|
||||
ctx.strokeStyle = "#"+((pl2[2+(i*3)]) + Math.pow(16, 6)).toString(16).slice(-6);
|
||||
ctx.stroke();
|
||||
|
||||
ctx.closePath()
|
||||
//ctx.restore
|
||||
//ctx.clearRect(0,0,400,400);
|
||||
}
|
||||
|
||||
// store point for comparison
|
||||
lastpoint.x = pl2[i*3];
|
||||
lastpoint.y = pl2[1+(i*3)];
|
||||
lastpoint.color = pl2[2+(i*3)];
|
||||
lastpoint = {
|
||||
x:pl2[0],
|
||||
y:pl2[1],
|
||||
color:pl2[2]
|
||||
}
|
||||
for (var i = 0; i <= pl2.length; i+=3)
|
||||
{
|
||||
point = {
|
||||
x:pl2[i],
|
||||
y:pl2[i+1],
|
||||
color:pl2[i+2]
|
||||
}
|
||||
|
||||
// console.log(lastpoint,point)
|
||||
// if the target is black, skip drawing
|
||||
if( point.color != 0){
|
||||
ctx.beginPath()
|
||||
ctx.strokeStyle = "#"+(point.color + Math.pow(16, 6)).toString(16).slice(-6);
|
||||
ctx.moveTo(lastpoint.x * zoom, lastpoint.y * zoom);
|
||||
ctx.lineTo(point.x * zoom, point.y * zoom);
|
||||
ctx.stroke();
|
||||
ctx.closePath()
|
||||
}
|
||||
lastpoint = point
|
||||
}
|
||||
}
|
||||
// Call Draw Function Again To Create Animation
|
||||
window.requestAnimationFrame(draw);
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize The Draw Function
|
||||
draw();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user