182 lines
3.9 KiB
Python
182 lines
3.9 KiB
Python
# coding=UTF-8
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'''
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Anaglyphed cube
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LICENCE : CC
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'''
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import redis
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import lj
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import math
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import time
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import numpy as np
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# IP defined in /etd/redis/redis.conf
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redisIP = '127.0.0.1'
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r = redis.StrictRedis(host=redisIP, port=6379, db=0)
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width = 800
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height = 600
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centerX = width / 2
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centerY = height / 2
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fov = 256
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viewer_distance = 2.2
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eye_spacing = 100
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nadir = 0.5
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observer_altitude = 30000
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# elevation = z coordinate
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# 0.0 or -2000 pop out)
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map_plane_altitude = 0.0
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samparray = [0] * 100
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def LeftShift(elevation):
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diff = elevation - map_plane_altitude
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return nadir * eye_spacing * diff / (observer_altitude - elevation)
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def RightShift(elevation):
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diff = map_plane_altitude - elevation
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return (1 - nadir) * eye_spacing * diff / (observer_altitude - elevation)
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# If you want to use rgb for color :
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def rgb2int(r,g,b):
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return int('0x%02x%02x%02x' % (r,g,b),0)
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def ssawtooth(samples,freq,phase):
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t = np.linspace(0+phase, 1+phase, samples)
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for ww in range(samples):
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samparray[ww] = signal.sawtooth(2 * np.pi * freq * t[ww])
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return samparray
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def ssquare(samples,freq,phase):
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t = np.linspace(0+phase, 1+phase, samples)
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for ww in range(samples):
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samparray[ww] = signal.square(2 * np.pi * freq * t[ww])
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return samparray
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def ssine(samples,freq,phase):
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t = np.linspace(0+phase, 1+phase, samples)
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for ww in range(samples):
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samparray[ww] = np.sin(2 * np.pi * freq * t[ww])
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return samparray
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def shader2scrX(s):
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a1, a2 = -1,1
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b1, b2 = -width/2, width/2
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return b1 + ((s - a1) * (b2 - b1) / (a2 - a1))
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def shader2scrY(s):
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a1, a2 = -1,1
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b1, b2 = -heigth/2, heigth/2
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return b1 + ((s - a1) * (b2 - b1) / (a2 - a1))
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def Proj(x,y,z,angleX,angleY,angleZ):
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rad = angleX * math.pi / 180
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cosa = math.cos(rad)
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sina = math.sin(rad)
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y2 = y
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y = y2 * cosa - z * sina
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z = y2 * sina + z * cosa
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rad = angleY * math.pi / 180
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cosa = math.cos(rad)
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sina = math.sin(rad)
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z2 = z
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z = z2 * cosa - x * sina
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x = z2 * sina + x * cosa
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rad = angleZ * math.pi / 180
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cosa = math.cos(rad)
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sina = math.sin(rad)
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x2 = x
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x = x2 * cosa - y * sina
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y = x2 * sina + y * cosa
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""" Transforms this 3D point to 2D using a perspective projection. """
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factor = fov / (viewer_distance + z)
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x = x * factor + centerX
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y = - y * factor + centerY
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return (x,y)
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def DrawPL():
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Shape = []
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Left = []
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Right = []
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counter =0
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while 1:
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yfactor = 10
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Left = []
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Right = []
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x = -1
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z = -0.1
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for step in y0:
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Left.append( Proj(x+LeftShift(z*25),step/yfactor,z,0,0,0))
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Right.append(Proj(x+RightShift(z*25),step/yfactor,z,0,0,0))
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x += 0.02
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lj.rPolyLineOneColor(Left, c = red, PL = 0, closed = False, xpos = 0, ypos = 10, resize = 1.5, rotx =0, roty =0 , rotz=0)
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lj.rPolyLineOneColor(Right, c = green, PL = 0, closed = False, xpos = 0, ypos = 10, resize = 1.5, rotx =0, roty =0 , rotz=0)
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Left = []
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Right = []
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x = -1
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z = 0
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for step in y1:
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Left.append( Proj(x+LeftShift(z*25),step/yfactor,z,0,0,0))
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Right.append(Proj(x+RightShift(z*25),step/yfactor,z,0,0,0))
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x += 0.02
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lj.rPolyLineOneColor(Left, c = red, PL = 0, closed = False, xpos = 0, ypos = 25, resize = 1.5, rotx =0, roty =0 , rotz=0)
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lj.rPolyLineOneColor(Right, c = green, PL = 0, closed = False, xpos = 0, ypos = 25, resize = 1.5, rotx =0, roty =0 , rotz=0)
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Left = []
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Right = []
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x = -1
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z = 0.1
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for step in y2:
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Left.append( Proj(x+LeftShift(z*25),step/yfactor,z,0,0,0))
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Right.append(Proj(x+RightShift(z*25),step/yfactor,z,0,0,0))
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x += 0.02
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lj.rPolyLineOneColor(Left, c = red, PL = 0, closed = False, xpos = 0, ypos = 50, resize = 1.5, rotx =0, roty =0 , rotz=0)
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lj.rPolyLineOneColor(Right, c = green, PL = 0, closed = False, xpos = 0, ypos = 50, resize = 1.5, rotx =0, roty =0 , rotz=0)
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lj.DrawPL(0)
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time.sleep(0.005)
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white = rgb2int(255,255,255)
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red = rgb2int(255,0,0)
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blue = rgb2int(0,0,255)
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green = rgb2int(0,255,0)
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y0 = ssine(100,5,-0.5)
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y1 = ssine(100,5,0)
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y2 = ssine(100,5,0.5)
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DrawPL() |