def _offset_direction_fix(self, x, y, width, height, slope):
hitpoint = MathUtils.calc_y_at_distance(x, y, width, slope)
bounces = MathUtils.calc_folds(hitpoint, height)
return 1 if bounces % 2 == 0 else -1
def _slope_l(self, x, y, height, slope):
hitpoint = MathUtils.calc_y_intercept(x, y, slope)
bounces = MathUtils.calc_folds(hitpoint, height)
return slope * (1 if bounces % 2 == 0 else -1 )
