step2.md

import {
  useAnimatedStyle,
  useSharedValue,
  withSpring,
} from 'react-native-reanimated';

export default function Ball() {
  const isPressed = useSharedValue(false);
  const offset = useSharedValue({ x: 0, y: 0 });

  const animatedStyles = useAnimatedStyle(() => {
    return {
      transform: [
        { translateX: offset.value.x },
        { translateY: offset.value.y },
        { scale: withSpring(isPressed.value ? 1.2 : 1) },
      ],
      backgroundColor: isPressed.value ? 'yellow' : 'blue',
    };
  });

  // ...
}