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