Returns True if sprite is touching any other sprite.

def overlaps(self, canvas, exclude=[]):
        """
            Returns True if sprite is touching any other sprite.
        """
        try:
            exclude = list(exclude)
        except TypeError:
            exclude = [exclude]
        exclude.append(self)

        for selfY, row in enumerate(self.image.image()):
            for selfX, pixel in enumerate(row):
                canvasPixelOn = canvas.testPixel(
                    (selfX + self.position[0], selfY + self.position[1]),
                    excludedSprites=exclude
                )
                if pixel and canvasPixelOn:
                    return True
        return False