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Copy pathpycasting2.0.py
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168 lines (147 loc) · 6.48 KB
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import numpy as np
from matplotlib import pyplot as plt
from pynput import keyboard, mouse
from time import time
def main():
size = 15
global key; key = None # register keypresses
listener = keyboard.Listener(on_press=on_press);listener.start()
last_mouse = [0,0]
posx, posy, rot = (1, np.random.randint(1, size -1), 1) # player pos
bg = np.linspace(0, 1, 150) #background gradient
mapc, maph, mapr, ex, ey = maze_generator(posx, posy, size)# map, exit
plt.figure(num = 'Pycaster 2.0')
while True: #main game loop
start = time()
rot, last_mouse = rotation(rot, last_mouse)
plt.hlines(-0.5, 0, 60, colors='k', lw=165, alpha=np.sin((rot+np.pi/2)/2)**2/2)
plt.hlines(0.5, 0, 60, colors='k', lw=165, alpha=np.sin((rot-np.pi/2)/2)**2/2)
plt.scatter([30]*150, -bg, c=-bg, s=200000, marker='_', cmap='Greys')
plt.scatter([30]*150, bg, c=bg, s=200000, marker='_', cmap='Blues')
tx, ty, tc = ([], [], [])
for i in range(60): #vision loop
rot_i = rot + np.deg2rad(i - 30)
x, y = (posx, posy)
sin, cos = (0.04*np.sin(rot_i), 0.04*np.cos(rot_i))
n, half = 0, None
c, h, x, y, n, half, tx, ty, tc = caster(x, y, i, ex, ey, maph, mapc, sin, cos, n, half, tx, ty, tc)
if mapr[int(x)][int(y)] == 1:
c, h, x, y, n, half2, tx, ty, tc = reflection(x, y, i, ex, ey, maph, mapc, sin, cos, n, c, h, half, tx, ty, tc)
else:
plt.vlines(i, -h, h, lw = 8, colors = c)
if half != None:
plt.vlines(i, -half[0], 0, lw = 8, colors = half[1])
plt.axis('off'); plt.tight_layout(); plt.axis([0, 60, -1, 1])
plt.scatter(tx, ty, c=tc, zorder = 2, alpha=0.5, marker='s') # draw ts on the floor
plt.text(57, 0.9, str(round(1/(time()-start),1)), c='y')
plt.draw();plt.pause(0.1); plt.clf()
# player's movement
posx, posy, rot, keyout = movement(posx, posy, rot, maph)
if (int(posx) == ex and int(posy) == ey) or keyout == 'esc':
break
plt.close()
def maze_generator(x, y, size):
mapc = np.random.uniform(0,1, (size,size,3))
mapr = np.random.choice([0, 0, 0, 0, 1], (size,size))
maph = np.random.choice([0, 0, 0, 0, .5, 1], (size,size))
maph[0,:], maph[size-1,:], maph[:,0], maph[:,size-1] = (1,1,1,1)
mapc[x][y], maph[x][y], mapr[x][y] = (0, 0, 0)
count = 0
while 1:
testx, testy = (x, y)
if np.random.uniform() > 0.5:
testx = testx + np.random.choice([-1, 1])
else:
testy = testy + np.random.choice([-1, 1])
if testx > 0 and testx < size -1 and testy > 0 and testy < size -1:
if maph[testx][testy] == 0 or count > 5:
count = 0
x, y = (testx, testy)
mapc[x][y], maph[x][y], mapr[x][y] = (0, 0, 0)
if x == size-2:
ex, ey = (x, y)
break
else:
count = count+1
return np.asarray(mapc), np.asarray(maph), np.asarray(mapr), ex, ey
def rotation(rot, last_mouse): # for 1080p screen
with mouse.Controller() as check:
position = check.position
if position[0] != last_mouse[0] or position[0]>1860 or position[0] < 60:
delta = last_mouse[0] - position[0]
if position[0]>1860:
delta = 1860 - position[0]
if position[0] < 60:
delta = 60 - position[0]
rot = rot + 4*np.pi*(0.5-delta/1920)
return(rot, position)
def on_press(key_new):
global key
key = key_new
def movement(posx, posy, rot, maph):
global key
x, y = (posx, posy)
keyout = None
if key is not None:
if key == keyboard.Key.up:
x, y = (x + 0.3*np.cos(rot), y + 0.3*np.sin(rot))
elif key == keyboard.Key.down:
x, y = (x - 0.3*np.cos(rot), y - 0.3*np.sin(rot))
elif key == keyboard.Key.left:
rot = rot - np.pi/8
elif key == keyboard.Key.right:
rot = rot + np.pi/8
elif key == keyboard.Key.esc:
keyout = 'esc'
key = None
if maph[int(x)][int(y)] == 0:
posx, posy = (x, y)
return posx, posy, rot, keyout
def caster(x, y, i, ex, ey, maph, mapc, sin, cos, n, half, tx, ty, tc):
while True: # ray loop
xx, yy = (x, y)
x, y = (x + cos, y + sin)
n = n+1
if half == None and int(x*2)%2 == int(y*2)%2:#(abs(int(3*xx)-int(3*x)) > 0 or abs(int(3*yy)-int(3*y))>0):
tx.append(i)
ty.append(-1/(0.04 * n*np.cos(np.deg2rad(i - 30))))
if int(x) == ex and int(y) == ey:
tc.append('b')
else:
tc.append('k')
if maph[int(x)][int(y)] == 1 or (maph[int(x)][int(y)] == 0.5 and half == None):
h , c = shader(n, maph, mapc, sin, cos, x, y, i)
if maph[int(x)][int(y)] == 0.5 and half == None:
half = [h, c, n]
else:
break
return(c, h, x, y, n, half, tx, ty, tc)
def shader(n, maph, mapc, sin, cos, x, y, i):
h = np.clip(1/(0.04 * n*np.cos(np.deg2rad(i-30))), 0, 1)
c = np.asarray(mapc[int(x)][int(y)])*(0.4 + 0.6 * h)
if maph[int(x+cos)][int(y-sin)] != 0:
c = 0.85*c
if maph[int(x-cos)][int(y+sin)] != 0 and sin >0:
c = 0.7*c
return h, c
def reflection(x, y, i, ex, ey, maph, mapc, sin, cos, n, c, h, half, tx, ty, tc):
if half != None:
plt.vlines(i, 0, h, lw = 8, colors = c, alpha=0.5) #top reflected
plt.vlines(i, -half[0], 0, lw = 8, colors = half[1])# bottom regular
else:
plt.vlines(i, -h, h, lw = 8, colors = c, alpha=0.5) # draw vertical lines
if maph[int(x+cos)][int(y-sin)] != 0:
cos = -cos
else:
sin = -sin
c2, h, x, y, n, half2, tx, ty, tc = caster(x, y, i, ex, ey, maph, mapc, sin, cos, n, half, tx, ty, tc)
c = (c + c2)/2
if half != None:
plt.vlines(i, 0, h, lw = 8, colors = c) # draw vertical lines
else:
plt.vlines(i, -h, h, lw = 8, colors = c) # draw vertical lines
if half2 != None:
plt.vlines(i, -half2[0], 0, lw = 8, colors = half2[1])
return c, h, x, y, n, half2, tx, ty, tc
if __name__ == '__main__':
main()