3b1b-manim/constants.py

import os
import numpy as np


GENERALLY_BUFF_POINTS = True

PRODUCTION_QUALITY_DISPLAY_CONFIG = {
    "height"         : 1440,
    "width"          : 2560,
    "frame_duration" : 0.04,
}

LOW_QUALITY_DISPLAY_CONFIG = {
    "height"         : 480,
    "width"          : 840,
    "frame_duration" : 0.04,
}


DEFAULT_POINT_DENSITY_2D = 25 
DEFAULT_POINT_DENSITY_1D = 150

#TODO, Make sure these are not needd
DEFAULT_HEIGHT = PRODUCTION_QUALITY_DISPLAY_CONFIG["height"] 
DEFAULT_WIDTH  = PRODUCTION_QUALITY_DISPLAY_CONFIG["width"]
SPACE_HEIGHT = 4.0
SPACE_WIDTH = SPACE_HEIGHT * DEFAULT_WIDTH / DEFAULT_HEIGHT


#All in seconds
DEFAULT_FRAME_DURATION = 0.04
DEFAULT_ANIMATION_RUN_TIME = 1.0
DEFAULT_TRANSFORM_RUN_TIME = 1.0
DEFAULT_DITHER_TIME = 1.0

DEFAULT_NUM_STARS = 1000


ORIGIN = np.array(( 0, 0, 0))
UP     = np.array(( 0, 1, 0))
DOWN   = np.array(( 0,-1, 0))
RIGHT  = np.array(( 1, 0, 0))
LEFT   = np.array((-1, 0, 0))
IN     = np.array(( 0, 0,-1))
OUT    = np.array(( 0, 0, 1))

THIS_DIR  = os.path.dirname(os.path.realpath(__file__))
FILE_DIR  = os.path.join(THIS_DIR, "files")
IMAGE_DIR = os.path.join(FILE_DIR, "images")
GIF_DIR   = os.path.join(FILE_DIR, "gifs")
MOVIE_DIR = os.path.join(FILE_DIR, "movies")
TEX_DIR   = os.path.join(FILE_DIR, "Tex")
TEX_IMAGE_DIR = os.path.join(IMAGE_DIR, "Tex")
MOBJECT_DIR = os.path.join(FILE_DIR, "mobjects")
IMAGE_MOBJECT_DIR = os.path.join(MOBJECT_DIR, "image")
TMP_IMAGE_DIR = "/tmp/animation_images/"

for folder in [IMAGE_DIR, GIF_DIR, MOVIE_DIR, TEX_DIR, TMP_IMAGE_DIR, 
               TEX_IMAGE_DIR, MOBJECT_DIR, IMAGE_MOBJECT_DIR]:
    if not os.path.exists(folder):
        os.mkdir(folder)

PDF_DENSITY = 800
SIZE_TO_REPLACE = "SizeHere"
TEX_TEXT_TO_REPLACE = "YourTextHere"
TEMPLATE_TEX_FILE  = os.path.join(TEX_DIR, "template.tex")
TEMPLATE_TEXT_FILE = os.path.join(TEX_DIR, "text_template.tex")
MAX_LEN_FOR_HUGE_TEX_FONT = 25

LOGO_PATH = os.path.join(IMAGE_DIR, "logo.png")

DARK_BLUE = "#236B8E"
DARK_BROWN = "#8B4513"
LIGHT_BROWN = "#CD853F"

PI_CREATURE_DIR = os.path.join(IMAGE_DIR, "PiCreature")
PI_CREATURE_PART_NAME_TO_DIR = lambda name : os.path.join(PI_CREATURE_DIR, "pi_creature_"+name) + ".png"
PI_CREATURE_SCALE_VAL = 0.5
PI_CREATURE_MOUTH_TO_EYES_DISTANCE = 0.25