Method animate

QPropertyAnimation/RlatticeEffect.py:187–230

(self, painter)

        print(time() - t)

    def animate(self, painter):
        for p in self.points:
            # 检测点的范围
            value = abs(getDistance(self.target, p))
            if value < 4000:
                # 其实就是修改颜色透明度
                p.lineColor.setAlphaF(0.3)
                p.circleColor.setAlphaF(0.6)
            elif value < 20000:
                p.lineColor.setAlphaF(0.1)
                p.circleColor.setAlphaF(0.3)
            elif value < 40000:
                p.lineColor.setAlphaF(0.02)
                p.circleColor.setAlphaF(0.1)
            else:
                p.lineColor.setAlphaF(0)
                p.circleColor.setAlphaF(0)

            # 画线条
            if p.lineColor.alpha():
                for pc in p.closest:
                    if not pc:
                        continue
                    path = QPainterPath()
                    path.moveTo(p.x, p.y)
                    path.lineTo(pc.x, pc.y)
                    painter.save()
                    painter.setPen(p.lineColor)
                    painter.drawPath(path)
                    painter.restore()

            # 画圆
            painter.save()
            painter.setPen(Qt.NoPen)
            painter.setBrush(p.circleColor)
            painter.drawRoundedRect(
                QRectF(p.x - p.radius, p.y - p.radius, 2 * p.radius, 2 * p.radius),
                p.radius,
                p.radius,
            )
            painter.restore()

            # 开启动画
            p.initAnimation()


if __name__ == "__main__":