在QGraphicsScene中连续移动QGraphicsItem并检查冲突

import sys
from PyQt5.QtWidgets import QApplication, QGraphicsScene, QGraphicsView, QGraphicsRectItem
from PyQt5.QtCore import QTimer, QRectF

class MovingRect(QGraphicsRectItem):
    def __init__(self, x, y, width, height):
        super().__init__(x, y, width, height)
        self.setFlag(QGraphicsRectItem.ItemIsMovable)

    def moveBy(self, dx, dy):
        super().moveBy(dx, dy)
        self.checkCollision()

    def checkCollision(self):
        scene = self.scene()
        items = scene.items(self.boundingRect(), Qt.IntersectsItemShape)
        for item in items:
            if item != self and isinstance(item, QGraphicsRectItem):
                print("Collision detected with:", item)

class MyScene(QGraphicsScene):
    def __init__(self):
        super().__init__()
        self.rect = MovingRect(0, 0, 50, 50)
        self.addItem(self.rect)

        timer = QTimer()
        timer.timeout.connect(self.moveRect)
        timer.start(100)

    def moveRect(self):
        self.rect.moveBy(1, 1)

app = QApplication(sys.argv)
view = QGraphicsView(MyScene())
view.setRenderHint(QPainter.Antialiasing)
view.show()
sys.exit(app.exec_())