在本篇中,会看到利用图形项来绘制复杂形状和动画,模拟“千足虫”的运动和消亡过程。程序有一个内部的定时器,在没段时间间隙中,这些千足虫都在不停的移动。...QtCore import (QTimer, QPointF, QRectF, Qt)
from PyQt5.QtWidgets import (QApplication, QDialog,
QGraphicsItem..., QGraphicsScene, QGraphicsView, QHBoxLayout,
QPushButton, QSlider,QVBoxLayout)
from PyQt5....QtGui import (QBrush, QColor,QPainter,QPainterPath,QPolygonF)
SCENESIZE = 500
class Head(QGraphicsItem...节的子图形项
head.setRotation(random.randint(0, 360))
self.scene.addItem(head) #向场景中添加头部