183 lines
4.4 KiB
Python
183 lines
4.4 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# -*- mode: Python -*-
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'''
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example, based on custom
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v0.1.0
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A copy of square.py you can modify to code your plugin.
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custom1 has necessary hooks in LJ.conf, webui and so on.
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LICENCE : CC
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by Sam Neurohack
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'''
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import sys
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import os
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ljpath = r'%s' % os.getcwd().replace('\\','/')
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# import from shell
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sys.path.append(ljpath +'/../../libs/')
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#import from LJ
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sys.path.append(ljpath +'/libs/')
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print(ljpath+'/../libs/')
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import lj23layers as lj
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sys.path.append('../libs')
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import math
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import time
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import argparse
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print ("")
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print ("Arguments parsing if needed...")
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argsparser = argparse.ArgumentParser(description="Custom1 example for LJ")
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argsparser.add_argument("-v","--verbose",help="Verbosity level (0 by default)",default=0,type=int)
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args = argsparser.parse_args()
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# Useful variables init.
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white = lj.rgb2int(255,255,255)
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red = lj.rgb2int(255,0,0)
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blue = lj.rgb2int(0,0,255)
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green = lj.rgb2int(0,255,0)
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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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# 3D to 2D projection parameters
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fov = 256
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viewer_distance = 2.2
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# Anaglyph computation parameters for right and left eyes.
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# algorythm come from anaglyph geo maps
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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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map_layerane_altitude = 0.0
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# square coordinates : vertices that compose each of the square.
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vertices = [
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(- 1.0, 1.0,- 1.0),
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( 1.0, 1.0,- 1.0),
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( 1.0,- 1.0,- 1.0),
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(- 1.0,- 1.0,- 1.0)
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]
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face = [0,1,2,3]
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#
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# LJ inits
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#
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layer = 0
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# Define properties for each drawn "element" : name, intensity, active, xy, color, red, green, blue, layer , closed
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Leftsquare = lj.FixedObject('Leftsquare', True, 255, [], red, 255, 0, 0, layer , True)
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Rightsquare = lj.FixedObject('Rightsquare', True, 255, [], green, 0, 255, 0, layer , True)
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# 'Destination' for given layer : name, number, active, layer , scene, laser
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Dest0 = lj.DestObject('0', 0, True, 0 , 0, 0) # Dest0 will send layer 0 points to scene 0, laser 0
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#
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# Anaglyph computation : different X coordinate for each eye
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#
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def LeftShift(elevation):
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diff = elevation - map_layerane_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_layerane_altitude - elevation
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return (1 - nadir) * eye_spacing * diff / (observer_altitude - elevation)
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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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#
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# Main
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#
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def Run():
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Left = []
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Right = []
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counter =0
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try:
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while True:
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Left = []
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Right = []
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x = vertices[0][0]
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y = vertices[0][1]
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z = vertices[0][2]
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# lj tracers will "move" the laser to this first point in black, then move to the next with second point color.
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# for more accuracy in dac emulator, repeat this first point.
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# generate all points in square.
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for point in face:
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x = vertices[point][0]
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y = vertices[point][1]
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z = vertices[point][2]
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left.append(proj(x+leftshift(z*25),y,z,0,counter,0))
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right.append(proj(x+rightshift(z*25),y,z,0,counter,0))
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lj.polylineonecolor(left, c = leftsquare.color , layer = leftsquare.layer, closed = leftsquare.closed)
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lj.polylineonecolor(right, c = rightsquare.color , layer = rightsquare.layer, closed = rightsquare.closed)
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lj.drawdests()
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time.sleep(0.1)
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counter += 1
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if counter > 360:
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counter = 0
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except KeyboardInterrupt:
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pass
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# Gently stop on CTRL C
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finally:
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lj.ClosePlugin()
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Run()
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