394 lines
16 KiB
Python
394 lines
16 KiB
Python
from OpenGL.GL import *
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import numpy as np
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from OpenGL.GL.ARB.vertex_array_object import glDeleteVertexArrays
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from OpenGL.GL.framebufferobjects import glBindRenderbuffer
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from OpenGL.GLUT import *
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import OpenGL.GLUT.freeglut
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from OpenGL.GLU import *
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from OpenGL.GL import *
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from ctypes import sizeof, c_float, c_void_p, c_uint
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from Lights.Spotlight.Spotlight import Spotlight
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from WorldProvider.WorldProvider import WorldProvider
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from MatrixStuff.Transformations import perspectiveMatrix, lookAt, translate, rotate
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from Objects.Cube.Cube import Cube
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from Objects.Cuboid.Cuboid import Cuboid
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from Objects.World import World
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import json
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import random
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import time
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from scipy.signal import convolve
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MAX_DISTANCE = 200.0
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FRICTION_COEFFICENT = 1
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EPSILON = 0.00001
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def value_to_color(v, min_value, max_value):
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r = g = b = 0.0
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scope = max_value - min_value
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normalized = (v - min_value) / (max_value - min_value)
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if 0.5 * scope + min_value != 0:
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b = max(0, 1.0 - abs(2.0 * normalized))
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g = max(0, 1.0 - abs(2.0 * normalized - 1.0))
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r = max(0, 1.0 - abs(2.0 * normalized - 2.0))
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l = np.sqrt((r * r + b * b + g * g))
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r /= l
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g /= l
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b /= l
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return r, g, b
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class Client:
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def __init__(self, test=False, pos=[0, 0, 0]):
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with open('./config.json', 'r') as f:
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self.config = json.load(f)
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glutInit(sys.argv)
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self.width = 1920
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self.height = 1080
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glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH)
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glutInitWindowSize(self.width, self.height)
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glutCreateWindow(b'Voxelengine')
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with open('passthroughvertex.glsl', 'r') as f:
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vertex_shader_string = f.read()
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self.passthrough_vertex_shader_id = glCreateShader(GL_VERTEX_SHADER)
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glShaderSource(self.passthrough_vertex_shader_id, vertex_shader_string)
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glCompileShader(self.passthrough_vertex_shader_id)
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if glGetShaderiv(self.passthrough_vertex_shader_id, GL_COMPILE_STATUS) != GL_TRUE:
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raise RuntimeError(glGetShaderInfoLog(self.passthrough_vertex_shader_id))
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with open('vertex.glsl', 'r') as f:
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vertex_shader_string = f.read()
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self.vertex_shader_id = glCreateShader(GL_VERTEX_SHADER)
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glShaderSource(self.vertex_shader_id, vertex_shader_string)
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glCompileShader(self.vertex_shader_id)
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if glGetShaderiv(self.vertex_shader_id, GL_COMPILE_STATUS) != GL_TRUE:
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raise RuntimeError(glGetShaderInfoLog(self.vertex_shader_id))
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with open('fragment.glsl', 'r') as f:
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fragment_shader_string = f.read()
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self.fragment_shader_id = glCreateShader(GL_FRAGMENT_SHADER)
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glShaderSource(self.fragment_shader_id, fragment_shader_string)
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glCompileShader(self.fragment_shader_id)
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if glGetShaderiv(self.fragment_shader_id, GL_COMPILE_STATUS) != GL_TRUE:
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raise RuntimeError(glGetShaderInfoLog(self.fragment_shader_id))
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Cube.initializeShader()
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Cuboid.initializeShader()
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self.geometry_shaders = {
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Cube: Cube.GeometryShaderId,
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Cuboid: Cuboid.GeometryShaderId
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}
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self.normal_program = {}
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self.depth_program = {}
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for key in self.geometry_shaders.keys():
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self.normal_program[key] = glCreateProgram()
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glAttachShader(self.normal_program[key], self.vertex_shader_id)
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glAttachShader(self.normal_program[key], key.GeometryShaderId)
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glAttachShader(self.normal_program[key], self.fragment_shader_id)
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glLinkProgram(self.normal_program[key])
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self.depth_program[self.normal_program[key]] = Spotlight.getDepthProgram(self.vertex_shader_id,
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key.GeometryShaderId)
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self.world_provider = WorldProvider(self.normal_program)
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for x_pos in range(0, 100):
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for y_pos in range(0, 100):
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for z_pos in range(0, 1):
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self.world_provider.world.put_object(x_pos, y_pos, z_pos, Cuboid().setColor(
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random.randint(0, 100) / 100.0, random.randint(0, 100) / 100.0, random.randint(0, 100) / 100.0))
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self.projMatrix = perspectiveMatrix(45.0, 400 / 400, 0.01, MAX_DISTANCE)
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self.rx = self.cx = self.cy = 0
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self.opening = 45
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glutReshapeFunc(self.resize)
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glutDisplayFunc(self.display)
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glutKeyboardFunc(self.keyboardHandler)
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glutSpecialFunc(self.funcKeydHandler)
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self.pos = pos
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self.time = time.time()
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self.field = (100, 100, 1)
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self.e_a = np.array([
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[0, 0, 0],
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[1, 0, 0],
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[1, 1, 0],
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[0, 1, 0],
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[-1, 1, 0],
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[-1, 0, 0],
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[-1, -1, 0],
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[0, -1, 0],
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[1, -1, 0],
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])
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self.relaxation_time = 0.55 # 0.55
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self.w_a = [
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4.0 / 9.0,
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1.0 / 9.0,
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1.0 / 36.0,
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1.0 / 9.0,
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1.0 / 36.0,
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1.0 / 9.0,
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1.0 / 36.0,
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1.0 / 9.0,
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1.0 / 36.0
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]
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self.n_a = np.zeros((len(self.e_a),) + self.field)
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self.n_a_eq = np.zeros(self.n_a.shape)
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self.n = np.zeros(self.field)
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self.n[:, :, :] += 1.0
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# self.n /= np.sum(self.n)
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self.n_a[0] = np.array(self.n)
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self.u = np.zeros(self.field + (self.e_a.shape[1],))
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self.compressible = True
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self.max_n = self.w_a[0]
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self.test_pixel = [40, 50, 0]
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if not test:
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glutMainLoop()
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else:
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self.display()
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self.resize(100, 100)
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def display(self):
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glClearColor(0, 0, 0, 0)
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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projMatrix = perspectiveMatrix(45, float(self.width) / float(self.height), 0.01, MAX_DISTANCE)
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world: World = self.world_provider.world
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lights = world.get_lights_to_render(self.pos, self.config['render_light_distance'])
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for light in lights:
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light.prepareForDepthMapping()
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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light_mat = translate(light.pos[0], light.pos[1], light.pos[2]) * \
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lookAt(0, 0, 0, -light.pos[0], -light.pos[1], -light.pos[2], 0, 1, 0) * \
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perspectiveMatrix(90, float(light.map_size) / float(light.map_size), 0.01, MAX_DISTANCE)
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for obj_type, program_id in self.depth_program.items():
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glUseProgram(program_id)
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widthid = glGetUniformLocation(program_id, 'width')
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heightid = glGetUniformLocation(program_id, 'height')
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nearid = glGetUniformLocation(program_id, 'near')
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farid = glGetUniformLocation(program_id, 'far')
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glUniform1f(nearid, 0.01)
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glUniform1f(farid, 100)
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glUniform1f(widthid, light.map_size)
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glUniform1f(heightid, light.map_size)
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world.render(light_mat, rotate(0, 0, 0), self.depth_program)
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glFlush()
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light.finishDepthMapping()
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glClearColor(0, 0, 0, 0)
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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glClearColor(0, 0, 0, 0)
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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for obj_type, program_id in self.normal_program.items():
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glUseProgram(program_id)
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widthid = glGetUniformLocation(program_id, 'width')
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heightid = glGetUniformLocation(program_id, 'height')
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nearid = glGetUniformLocation(program_id, 'near')
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farid = glGetUniformLocation(program_id, 'far')
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glUniform1f(nearid, 0.01)
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glUniform1f(farid, 100)
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glUniform1f(widthid, self.width)
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glUniform1f(heightid, self.height)
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world.render(translate(self.pos[0], self.pos[1], self.pos[2]) * lookAt(0, 0, 0, 0, 0, -self.pos[2], 0, 1,
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0) * projMatrix, rotate(0, 0, 0))
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glFlush()
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glutSwapBuffers()
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min_value = 0
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max_value_n = np.max(self.n)
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# max_value = 1.0
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vel = np.sqrt(np.sum(np.square(self.u), axis=3))
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max_value_vel = np.max(vel)
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# max_value_vel = np.sqrt(3)
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print('round')
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print(max_value_n)
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for x_pos in range(0, 100):
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for y_pos in range(0, 100):
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for z_pos in range(0, 1):
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r, g, b = value_to_color(self.n[x_pos, y_pos, z_pos], min_value, max_value_n)
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# r, g, b = value_to_color(vel[x_pos, y_pos, z_pos], min_value, max_value_vel)
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self.world_provider.world.set_color(x_pos, y_pos, z_pos, r, g, b)
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self.world_provider.world.set_color(int(round(self.test_pixel[0])),
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int(round(self.test_pixel[1])),
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int(round(self.test_pixel[2])), 1.0, 1.0, 1.0)
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# self.u *= 0.95
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old_n_sum = np.sum(self.n)
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for a in range(len(self.e_a)):
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e_au = np.sum(self.e_a[a] * self.u, axis=3)
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uu = np.sum(self.u * self.u, axis=3)
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self.n_a_eq[a] = self.w_a[a] * self.n * (1.0 + 3.0 * e_au + 4.5 * np.square(e_au) - 1.5 * uu)
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print(np.max(self.n_a_eq[0]))
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if not self.compressible:
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excess = (self.n_a_eq[0] > self.max_n) * (self.n_a_eq[0] - self.max_n)
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dir_sum = np.sum(self.n_a_eq[1:], axis=0)
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self.n_a_eq[1:] += excess * 1/8 #(self.n_a_eq[1:] / dir_sum)
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self.n_a_eq[0] -= excess
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n_a_t_1 = np.zeros((len(self.e_a),) + self.field)
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for a in range(len(self.e_a)):
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temp = ((-1.0 / self.relaxation_time) * (self.n_a[a] - self.n_a_eq[a]) + self.n_a[a])
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n_a_t_1[a, max(self.e_a[a][0], 0): min(self.field[0], self.field[0] + self.e_a[a][0]),
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max(self.e_a[a][1], 0): min(self.field[1], self.field[1] + self.e_a[a][1]),
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max(self.e_a[a][2], 0): min(self.field[2], self.field[2] + self.e_a[a][2])] += temp[
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max(-self.e_a[a][0], 0): min(
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self.field[0],
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self.field[0] -
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self.e_a[a][0]),
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max(-self.e_a[a][1], 0): min(
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self.field[1],
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self.field[1] -
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self.e_a[a][1]),
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max(-self.e_a[a][2], 0): min(
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self.field[2],
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self.field[2] -
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self.e_a[a][2])]
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for index in range(len(self.e_a[a])):
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if self.e_a[a][index] != 0:
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e_a_clipped = -np.array(self.e_a[a])
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# e_a_clipped[index] = 0
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# e_a_clipped[index] = -self.e_a[a][index]
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clipped_dir = np.zeros(3)
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clipped_dir[index] = self.e_a[a][index]
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e_a_index = np.where(np.all(self.e_a == e_a_clipped, axis=1))[0][0]
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# e_a_index = 0
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if index == 0:
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if self.e_a[a][index] > 0:
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slice_index = -1
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else:
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slice_index = 0
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n_a_t_1[e_a_index, slice_index, :, :] += temp[slice_index, :, :]
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temp[slice_index, :, :] *= 0
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if index == 1:
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if self.e_a[a][index] > 0:
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slice_index = -1
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else:
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slice_index = 0
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n_a_t_1[e_a_index, :, slice_index, :] += temp[:, slice_index, :]
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temp[:, slice_index, :] *= 0
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if index == 2:
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if self.e_a[a][index] > 0:
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slice_index = -1
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else:
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slice_index = 0
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n_a_t_1[e_a_index, :, :, slice_index] += temp[:, :, slice_index]
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temp[:, :, slice_index] *= 0
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self.n_a = n_a_t_1
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if np.min(self.n_a) < 0:
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test = 1
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self.n_a = np.maximum(0, self.n_a)
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self.n_a = old_n_sum * self.n_a / np.sum(self.n_a)
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self.n = np.sum(self.n_a, axis=0, keepdims=False)
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# self.n = np.sum(np.abs(n_a_t_1), axis=0, keepdims=False)
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# stabilise the number because of rounding errors
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self.n = old_n_sum * self.n / np.sum(self.n)
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self.u *= 0
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for a in range(len(self.e_a)):
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self.u[:, :, :, 0] += self.n_a[a] * self.e_a[a][0]
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self.u[:, :, :, 1] += self.n_a[a] * self.e_a[a][1]
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self.u[:, :, :, 2] += self.n_a[a] * self.e_a[a][2]
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self.u[:, :, :, 0] /= self.n
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self.u[:, :, :, 1] /= self.n
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self.u[:, :, :, 2] /= self.n
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self.u[self.n == 0] = 0
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length = np.sqrt(np.sum(np.square(self.u), axis=3, keepdims=True))
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# gravity
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gravity_applies = self.n < self.w_a[0]
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gravity_applies[:, :-1, :] = gravity_applies[:, 1:, :]
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gravity_applies[:, -1, :] = False
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self.u[gravity_applies, 1] -= 0.01
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new_lengths = np.sqrt(np.sum(np.square(self.u), axis=3, keepdims=True))
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self.u = self.u / new_lengths * length
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zero_length = (new_lengths == 0)
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self.u[zero_length[:, :, :, 0], :] = 0
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u = self.u[int(self.test_pixel[0]), int(self.test_pixel[1]), int(self.test_pixel[2])]
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self.test_pixel[0] = max(0, min(self.field[0] - 1, self.test_pixel[0] + u[0]))
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self.test_pixel[1] = max(0, min(self.field[1] - 1, self.test_pixel[1] + u[1]))
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self.test_pixel[2] = max(0, min(self.field[2] - 1, self.test_pixel[2] + u[2]))
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# print(1.0 / (time.time() - self.time))
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self.time = time.time()
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glutPostRedisplay()
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def resize(self, w, h):
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w = max(w, 1)
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h = max(h, 1)
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glViewport(0, 0, w, h)
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self.projMatrix = perspectiveMatrix(45.0, float(w) / float(h), 0.01, MAX_DISTANCE)
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self.width = w
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self.height = h
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def keyboardHandler(self, key: int, x: int, y: int):
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if key == b'\x1b':
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exit()
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if key == b'+':
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self.rx += 0.25
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if key == b'-':
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self.rx -= 0.25
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if key == b'w':
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self.cy += 0.25
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if key == b's':
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self.cy -= 0.25
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if key == b'a':
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self.cx -= 0.25
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if key == b'd':
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self.cx += 0.25
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if key == b'q':
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self.opening -= 0.25
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if key == b'e':
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self.opening += 0.25
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if key == b'r':
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print(self.cx, self.cy, self.opening)
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# glutPostRedisplay()
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# print(key,x,y)
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def funcKeydHandler(self, key: int, x: int, y: int):
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if key == 11:
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glutFullScreenToggle()
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# print(key)
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if __name__ == '__main__':
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client = Client(pos=[-50, -50, -200])
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