This is my collision box class for a simple game. >.<

collide.py

class CollisionBox:
    """this class deals with collision boxes like the rocketman and 
    walls/floors"""
    x1,y1 = 0 #This is the position of the box
    x2,y2 = 0 #This is the size of the box
    
    
    def CollisionBox(self,x,y):
        self.x1 = 0
        self.y1 = 0
        self.x2 = x
        self.y2 = y
    def UpdatePos(self,x,y):
        self.x1 = x
        self.y1 = y
    #This function should be called twice with self and target swapped to 
    #running into avoid edge cases where self is entirely big enough to engulf
    #target 
    def Collide(self,target):
        if self.x1>target.x1:
            if self.x1<(target.x1+target.x2):
                #handle top left corner
                if self.y1>target.y1:
                    if self.y1<(target.y1+target.y2):
                        return True#top left corner is inside box
                #handle bottom left corner
                if (self.y1+self.y2)>target.y1:
                    if (self.y1+self.y2)<(target.y1+target.y2):
                        return True
        if (self.x1+self.x2)>target.x1:
            if (self.x1+self.x2)<(target.x1+target.x2):
                #handle top left corner
                if self.y1>target.y1:
                    if self.y1<(target.y1+target.y2):
                        return True#top left corner is inside box
                #handle bottom left corner
                if (self.y1+self.y2)>target.y1:
                    if (self.y1+self.y2)<(target.y1+target.y2):
                        return True
        return False