Shadow Element of Tower Application

towerShadowElement.js

const { height, width } = Dimensions.get("window");
const centerX = width / 2, centerY = height / 2;

//....

const shadowElement = (
  <>
    <Line
      x1={centerX}
      y1={centerY}
      x2={centerX - width / 4}
      y2={centerY - height / 4}
      stroke="#555"
      strokeWidth="60"
    />
    <Circle
      cx={centerX - width / 4}
      cy={centerY - height / 4}
      r="30"
      fill="#555"
    />
  </>
);