ImMichey

/*
     *      Creates a custom Affine2 for shadows with rotation
     * 
     *      x, y                --> position in world (usually the entity position)
     *      rotation            --> angle in degrees
     *      offsetX, offsetY    --> if the original sprite is drawn with an offset
     *      originX, originY    --> center of the sprite
     *      shearX, shearY      --> shear amount (usually day/night cycle shear values)
     *      scaleX, scaleY      --> scale amount (usually day/night cycle scale values)
     */

payne911

import cv2 as cv


def integral_test(X):  # returns True if X is convex
    img_t = np.reshape(X, (28, 28))  # preprocess: reshaping
    int_result = cv.integral(img_t.astype(np.uint8))  # calculating the integral-image
    patterns_to_test = [block_patterns, big_block_patterns, horizontal_patterns, vertical_patterns,
                       horizontal_patterns2, vertical_patterns2, bigger_block_patterns, horizontal_patterns3,
                       vertical_patterns3, bbigger_block_patterns, bbbigger_block_patterns, bbbbigger_block_patterns]
    for p in range(len(patterns_to_test)):  # run test on all patterns until a match is found