Documents
Examples / custom-animations / Press Swipe
Examples / custom-animations / Press Swipe
Type
Document
Status
Published
Created
Apr 22, 2026
Updated
Apr 22, 2026

{/*

=========================================================================#

This page generated by /scripts/gen-pages.mjs, Don't update it manually#

=========================================================================

*/}

import { Tabs } from 'nextra/components'
import { Callout } from 'nextra/components'
import Demo from '@/components/Demo'

Check out the `press-swipe` animation demo for the full source code [here](https://github.com/dohooo/react-native-reanimated-carousel/blob/main/example/app/app/demos/custom-animations/press-swipe/index.tsx)
import * as React from "react";
import { View } from "react-native";
import Animated, {
	interpolate,
	useAnimatedStyle,
	useSharedValue,
	withTiming,
} from "react-native-reanimated";
import type { SharedValue } from "react-native-reanimated";
import Carousel, { TAnimationStyle } from "react-native-reanimated-carousel";

import { SlideItem } from "@/components/SlideItem";
import { PURPLE_IMAGES } from "@/constants/purple-images";
import { window } from "@/constants/sizes";

const PAGE_WIDTH = window.width;

function Index() {
	const pressAnim = useSharedValue<number>(0);
	const animationStyle: TAnimationStyle = React.useCallback((value: number) => {
		"worklet";

		const zIndex = interpolate(value, [-1, 0, 1], [-1000, 0, 1000]);
		const translateX = interpolate(
			value,
			[-1, 0, 1],
			[-PAGE_WIDTH, 0, PAGE_WIDTH],
		);

		return {
			transform: [{ translateX }],
			zIndex,
		};
	}, []);

	return (
		<View
			id="carousel-component"
			dataSet={{ kind: "custom-animations", name: "press-swipe" }}
			<Carousel
				loop={true}
				style={{ width: PAGE_WIDTH, height: 240 }}
				data={PURPLE_IMAGES}
				onScrollStart={() => {
					pressAnim.value = withTiming(1);
				}}
				onScrollEnd={() => {
					pressAnim.value = withTiming(0);
				}}
				renderItem={({ index }) => {
					return <CustomItem index={index} key={index} pressAnim={pressAnim} />;
				}}
				customAnimation={animationStyle}
				scrollAnimationDuration={1200}
			/>
		</View>
	);
}

interface ItemProps {
	pressAnim: SharedValue<number>;
	index: number;
}

const CustomItem: React.FC<ItemProps> = ({ pressAnim, index }) => {
	const animStyle = useAnimatedStyle(() => {
		const scale = interpolate(pressAnim.value, [0, 1], [1, 0.9]);
		const borderRadius = interpolate(pressAnim.value, [0, 1], [0, 30]);

		return {
			transform: [{ scale }],
			borderRadius,
		};
	}, []);

	return (
		<Animated.View style={[{ flex: 1, overflow: "hidden" }, animStyle]}>
			<SlideItem index={index} />
		</Animated.View>
	);
};

export default Index;