# THIS FILE IS A PART OF VCStudio
# PYTHON 3


# This is collection of simple geometric math operations that I gonna use trough
# out the UI of the VCStudio. Stuff like collision detections, overlap detections
# and other verious little tiny, but overused functions. 

def line_overlap(line1, line2):
    
    # This function will check if 2 one dimenshional line overlap.
    
    overlap = False
    
    # Let's sort them just incase.
    
    line1.sort()
    line2.sort()
    
    
    # Well. I guess this is the least ambiguos way of doing so. In my opinion
    
    if line1[0] > line2[0] and line1[0] < line2[1]:
        overlap = True
    elif line1[1] > line2[0] and line1[1] < line2[1]:
        overlap = True
    elif line2[0] > line1[0] and line2[0] < line1[1]:
        overlap = True
    elif line2[1] > line1[0] and line2[1] < line1[1]:
        overlap = True
    
    
    return overlap

def rectangle_overlap(rectangle1, rectangle2):
    
    # This function will see if 2 rectangle overlap. It returns either True or
    # False.
    
    overlap = False
    
    # Now since it's going to be easier for me to use the same type of coordi-
    # nates as in cairo to draw rectangles. I need to purify them first. Meaning
    # convert the width and height into real points on a plane.
    
    r1x, r1y, r1w, r1h = rectangle1
    r2x, r2y, r2w, r2h = rectangle2
    
    
    r1w += r1x
    r1h += r1y
    r2w += r2x
    r2h += r2y
    
    
    # Now we going to simply compare if overlapping lines of x coordinates and if
    # yes. Coordinates of y coordinates.
    
    if line_overlap([r1x, r1w],[r2x, r2w]) and line_overlap([r1y, r1h],[r2y, r2h]):
        overlap = True
    
    
    return overlap