# 8-bit Feature 3

> Swipeable feature carousel with cards and pixel arrows.

A shadcn/ui block from the [@8bitcn](https://www.8bitcn.com) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/8bitcn/feature3).

- Page, with a live preview: https://shadcn.exchange/r/8bitcn/feature3
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/8bitcn/feature3-light-7ca635c31577f3d6.png
- Registry item: https://www.8bitcn.com/r/feature3.json
- Categories: features
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://www.8bitcn.com/r/feature3.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- Registry items: `badge`, `card`, `carousel`

## Files

### `components/ui/8bit/blocks/feature3.tsx`

```tsx
"use client";

import type { ReactNode } from "react";

import { cn } from "@/lib/utils";

import { Badge } from "@/components/ui/8bit/badge";
import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from "@/components/ui/8bit/card";
import {
  Carousel,
  CarouselContent,
  CarouselItem,
  CarouselNext,
  CarouselPrevious,
} from "@/components/ui/8bit/carousel";

import "@/components/ui/8bit/styles/retro.css";

export interface CarouselFeature {
  badge?: string;
  description: string;
  icon: ReactNode;
  title: string;
}

interface Feature3Props {
  className?: string;
  description?: string;
  items?: CarouselFeature[];
  title?: string;
}

const defaultItems: CarouselFeature[] = [
  {
    icon: "01",
    title: "Choose Your Class",
    description:
      "Warrior, Mage, or Rogue. Each with unique skill trees, gear sets, and playstyles.",
  },
  {
    icon: "02",
    title: "Enter the Dungeon",
    description:
      "Procedurally placed loot with hand-designed encounters. Every run feels fresh.",
    badge: "FAN FAVORITE",
  },
  {
    icon: "03",
    title: "Defeat Bosses",
    description:
      "12 legendary bosses, each with unique attack patterns. Learn, adapt, conquer.",
  },
  {
    icon: "04",
    title: "Upgrade Your Gear",
    description:
      "Combine drops at the forge to create legendary items. The grind is the game.",
  },
  {
    icon: "05",
    title: "Climb the Ranks",
    description:
      "Global leaderboards updated in real-time. Prove you are the best.",
    badge: "COMPETITIVE",
  },
];

export default function Feature3({
  title = "The Adventure Awaits",
  description = "Swipe through to discover what makes this game legendary",
  items = defaultItems,
  className,
}: Feature3Props) {
  return (
    <section className={cn("w-full px-4 py-16", className)}>
      <div className="mx-auto max-w-5xl">
        {(title || description) && (
          <div className="mb-10 text-center">
            {title && (
              <h2 className="retro mb-3 font-bold text-2xl tracking-tight md:text-3xl">
                {title}
              </h2>
            )}
            {description && (
              <span className="mx-auto block max-w-xl retro text-muted-foreground text-[9px]">
                {description}
              </span>
            )}
          </div>
        )}

        <Carousel
          className="mx-auto w-full max-w-4xl"
          opts={{ align: "start", loop: true }}
        >
          <CarouselContent>
            {items.map((item) => (
              <CarouselItem
                className="pl-4 sm:basis-1/2 lg:basis-1/3"
                key={item.title}
              >
                <div className="h-full p-2">
                  <Card className="relative h-full">
                  {item.badge && (
                    <div className="absolute top-2 right-4 z-10">
                      <Badge className="text-[7px]">{item.badge}</Badge>
                    </div>
                  )}
                  <CardHeader className="pb-2">
                    <div className="retro mb-2 text-2xl">{item.icon}</div>
                    <CardTitle className="retro text-sm">
                      {item.title}
                    </CardTitle>
                  </CardHeader>
                  <CardContent>
                    <CardDescription className="retro text-[9px] leading-relaxed">
                      {item.description}
                    </CardDescription>
                  </CardContent>
                  </Card>
                </div>
              </CarouselItem>
            ))}
          </CarouselContent>
          <CarouselPrevious />
          <CarouselNext />
        </Carousel>
      </div>
    </section>
  );
}
```

### `components/ui/8bit/styles/retro.css`

```css
@import url("https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap");

.retro {
  font-family:
    "Press Start 2P",
    system-ui,
    -apple-system,
    sans-serif;
  line-height: 1.5;
  letter-spacing: 0.5px;
}

.pixelated {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}
```

### `components/ui/8bit/badge.tsx`

```tsx
import { type VariantProps, cva } from "class-variance-authority";

import { cn } from "@/lib/utils";

import { Badge as ShadcnBadge } from "@/components/ui/badge";

export const badgeVariants = cva("", {
  variants: {
    font: {
      normal: "",
      retro: "retro",
    },
    variant: {
      default: "border-primary bg-primary",
      destructive: "border-destructive bg-destructive",
      outline: "border-background bg-background",
      secondary: "border-secondary bg-secondary",
    },
  },
  defaultVariants: {
    variant: "default",
  },
});

export interface BitButtonProps
  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
    VariantProps<typeof badgeVariants> {
  asChild?: boolean;
}

function Badge({
  children,
  className = "",
  font,
  variant,
  ...props
}: BitButtonProps) {
  const color = badgeVariants({ variant, font });

  const classes = className.split(" ");

  // visual classes for badge and sidebars
  const visualClasses = classes.filter(
    (c) =>
      c.startsWith("bg-") ||
      c.startsWith("border-") ||
      c.startsWith("text-") ||
      c.startsWith("rounded-")
  );

  // Container should accept all non-visual utility classes (e.g., size, spacing, layout)
  const containerClasses = classes.filter(
    (c) =>
      !(
        c.startsWith("bg-") ||
        c.startsWith("border-") ||
        c.startsWith("text-") ||
        c.startsWith("rounded-")
      )
  );

  return (
    <div className={cn("relative inline-flex items-stretch", containerClasses)}>
      <ShadcnBadge
        {...props}
        className={cn(
          "h-full",
          "rounded-none",
          "w-full",
          font !== "normal" && "retro",
          visualClasses
        )}
        variant={variant}
      >
        {children}
      </ShadcnBadge>

      {/* Left pixel bar */}
      <div
        className={cn(
          "-left-1.5 absolute inset-y-[4px] w-1.5",
          color,
          visualClasses
        )}
      />
      {/* Right pixel bar */}
      <div
        className={cn(
          "-right-1.5 absolute inset-y-[4px] w-1.5",
          color,
          visualClasses
        )}
      />
    </div>
  );
}

export { Badge };
```

### `components/ui/8bit/card.tsx`

```tsx
import { type VariantProps, cva } from "class-variance-authority";

import { cn } from "@/lib/utils";

import {
  Card as ShadcnCard,
  CardAction as ShadcnCardAction,
  CardContent as ShadcnCardContent,
  CardDescription as ShadcnCardDescription,
  CardFooter as ShadcnCardFooter,
  CardHeader as ShadcnCardHeader,
  CardTitle as ShadcnCardTitle,
} from "@/components/ui/card";

import "@/components/ui/8bit/styles/retro.css";

export const cardVariants = cva("", {
  variants: {
    font: {
      normal: "",
      retro: "retro",
    },
  },
  defaultVariants: {
    font: "retro",
  },
});

export interface BitCardProps
  extends React.ComponentProps<"div">,
    VariantProps<typeof cardVariants> {
  asChild?: boolean;
}

function Card({ className, font, ...props }: BitCardProps) {
  return (
    <div
      className={cn(
        "relative bg-card text-card-foreground border-y-6 border-foreground dark:border-ring p-0!",
        className
      )}
    >
      <ShadcnCard
        {...props}
        className={cn(
          "rounded-none border-0 w-full! h-full flex flex-col bg-card text-card-foreground shadow-none",
          font !== "normal" && "retro",
          className
        )}
      />

      <div
        className={cn("absolute inset-0 border-x-6 -mx-1.5 border-inherit pointer-events-none")}
        aria-hidden="true"
      />
    </div>
  );
}

function CardHeader({ ...props }: BitCardProps) {
  const { className, font } = props;

  return (
    <ShadcnCardHeader
      className={cn(font !== "normal" && "retro", className)}
      {...props}
    />
  );
}

function CardTitle({ ...props }: BitCardProps) {
  const { className, font } = props;

  return (
    <ShadcnCardTitle
      className={cn(font !== "normal" && "retro", className)}
      {...props}
    />
  );
}

function CardDescription({ ...props }: BitCardProps) {
  const { className, font } = props;

  return (
    <ShadcnCardDescription
      className={cn(font !== "normal" && "retro", className)}
      {...props}
    />
  );
}

function CardAction({ ...props }: BitCardProps) {
  const { className, font } = props;

  return (
    <ShadcnCardAction
      className={cn(font !== "normal" && "retro", className)}
      {...props}
    />
  );
}

function CardContent({ ...props }: BitCardProps) {
  const { className, font } = props;

  return (
    <ShadcnCardContent
      className={cn("flex-1", font !== "normal" && "retro", className)}
      {...props}
    />
  );
}

function CardFooter({ ...props }: BitCardProps) {
  const { className, font } = props;

  return (
    <ShadcnCardFooter
      data-slot="card-footer"
      className={cn(font !== "normal" && "retro", className)}
      {...props}
    />
  );
}

export {
  Card,
  CardHeader,
  CardFooter,
  CardTitle,
  CardAction,
  CardDescription,
  CardContent,
};
```

### `components/ui/8bit/carousel.tsx`

```tsx
"use client";

import * as React from "react";

import useEmblaCarousel, {
  type UseEmblaCarouselType,
} from "embla-carousel-react";

import { cn } from "@/lib/utils";

import { Button } from "@/components/ui/8bit/button";

type CarouselApi = UseEmblaCarouselType[1];
type UseCarouselParameters = Parameters<typeof useEmblaCarousel>;
type CarouselOptions = UseCarouselParameters[0];
type CarouselPlugin = UseCarouselParameters[1];

type CarouselProps = {
  opts?: CarouselOptions;
  plugins?: CarouselPlugin;
  orientation?: "horizontal" | "vertical";
  setApi?: (api: CarouselApi) => void;
};

type CarouselContextProps = {
  carouselRef: ReturnType<typeof useEmblaCarousel>[0];
  api: ReturnType<typeof useEmblaCarousel>[1];
  scrollPrev: () => void;
  scrollNext: () => void;
  canScrollPrev: boolean;
  canScrollNext: boolean;
} & CarouselProps;

const CarouselContext = React.createContext<CarouselContextProps | null>(null);

function useCarousel() {
  const context = React.useContext(CarouselContext);

  if (!context) {
    throw new Error("useCarousel must be used within a <Carousel />");
  }

  return context;
}

const Carousel = React.forwardRef<
  HTMLDivElement,
  React.HTMLAttributes<HTMLDivElement> & CarouselProps
>(
  (
    {
      orientation = "horizontal",
      opts,
      setApi,
      plugins,
      className,
      children,
      ...props
    },
    ref
  ) => {
    const [carouselRef, api] = useEmblaCarousel(
      {
        ...opts,
        axis: orientation === "horizontal" ? "x" : "y",
      },
      plugins
    );
    const [canScrollPrev, setCanScrollPrev] = React.useState(false);
    const [canScrollNext, setCanScrollNext] = React.useState(false);

    const onSelect = React.useCallback((api: CarouselApi) => {
      if (!api) {
        return;
      }

      setCanScrollPrev(api.canScrollPrev());
      setCanScrollNext(api.canScrollNext());
    }, []);

    const scrollPrev = React.useCallback(() => {
      console.log("scrolled prev");
      api?.scrollPrev();
    }, [api]);

    const scrollNext = React.useCallback(() => {
      console.log("scrolled next");
      api?.scrollNext();
    }, [api]);

    const handleKeyDown = React.useCallback(
      (event: React.KeyboardEvent<HTMLDivElement>) => {
        if (event.key === "ArrowLeft") {
          event.preventDefault();
          scrollPrev();
        } else if (event.key === "ArrowRight") {
          event.preventDefault();
          scrollNext();
        }
      },
      [scrollPrev, scrollNext]
    );

    React.useEffect(() => {
      if (!api || !setApi) {
        return;
      }

      setApi(api);
    }, [api, setApi]);

    React.useEffect(() => {
      if (!api) {
        return;
      }

      onSelect(api);
      api.on("reInit", onSelect);
      api.on("select", onSelect);

      return () => {
        api?.off("select", onSelect);
      };
    }, [api, onSelect]);

    return (
      <CarouselContext.Provider
        value={{
          carouselRef,
          api: api,
          opts,
          orientation:
            orientation || (opts?.axis === "y" ? "vertical" : "horizontal"),
          scrollPrev,
          scrollNext,
          canScrollPrev,
          canScrollNext,
        }}
      >
        <div
          ref={ref}
          onKeyDownCapture={handleKeyDown}
          className={cn("relative", className)}
          role="region"
          aria-roledescription="carousel"
          {...props}
        >
          {children}
        </div>
      </CarouselContext.Provider>
    );
  }
);
Carousel.displayName = "Carousel";

const CarouselContent = React.forwardRef<
  HTMLDivElement,
  React.HTMLAttributes<HTMLDivElement>
>(({ className, ...props }, ref) => {
  const { carouselRef, orientation } = useCarousel();

  return (
    <div ref={carouselRef} className="overflow-hidden">
      <div
        ref={ref}
        className={cn(
          "flex",
          orientation === "horizontal" ? "-ml-4" : "-mt-4 flex-col",
          className
        )}
        {...props}
      />
    </div>
  );
});
CarouselContent.displayName = "CarouselContent";

const CarouselItem = React.forwardRef<
  HTMLDivElement,
  React.HTMLAttributes<HTMLDivElement>
>(({ className, ...props }, ref) => {
  const { orientation } = useCarousel();

  return (
    <div
      ref={ref}
      role="group"
      aria-roledescription="slide"
      className={cn(
        "min-w-0 shrink-0 grow-0 basis-full",
        orientation === "horizontal" ? "pl-4" : "pt-4",
        className
      )}
      {...props}
    />
  );
});
CarouselItem.displayName = "CarouselItem";

const CarouselPrevious = React.forwardRef<
  HTMLButtonElement,
  React.ComponentProps<typeof Button>
>(({ className, variant = "outline", size = "icon", ...props }, ref) => {
  const { orientation, scrollPrev, canScrollPrev } = useCarousel();

  return (
    <Button
      ref={ref}
      variant={variant}
      size={size}
      className={cn(
        orientation === "horizontal"
          ? "top-1/2 -left-10 md:-left-14 -translate-y-1/2 active:-translate-y-1 w-8 h-9 md:w-9 md:h-10 "
          : "-top-12 left-1/2 -translate-x-1/2 rotate-90 w-8 h-10 md:w-9 md:h-11",
        "absolute rounded-none aspect-square grid place-items-center",
        className
      )}
      disabled={!canScrollPrev}
      onClick={scrollPrev}
      {...props}
    >
      <svg
        width="50"
        height="50"
        viewBox="0 0 256 256"
        fill="currentColor"
        xmlns="http://www.w3.org/2000/svg"
        stroke="currentColor"
        strokeWidth="0.25"
        color="currentColor"
        aria-label="arrow-left"
      >
        <rect x="64" y="120" width="14" height="14" rx="1"></rect>
        <rect x="96" y="120" width="14" height="14" rx="1"></rect>
        <rect x="80" y="120" width="14" height="14" rx="1"></rect>
        <rect x="112" y="120" width="14" height="14" rx="1"></rect>
        <rect x="144" y="120" width="14" height="14" rx="1"></rect>
        <rect x="160" y="120" width="14" height="14" rx="1"></rect>
        <rect x="80" y="104" width="14" height="14" rx="1"></rect>
        <rect x="96" y="88" width="14" height="14" rx="1"></rect>
        <rect x="112" y="72" width="14" height="14" rx="1"></rect>
        <rect x="80" y="136" width="14" height="14" rx="1"></rect>
        <rect x="96" y="152" width="14" height="14" rx="1"></rect>
        <rect x="112" y="168" width="14" height="14" rx="1"></rect>
        <rect x="176" y="120" width="14" height="14" rx="1"></rect>
        <rect x="128" y="120" width="14" height="14" rx="1"></rect>
      </svg>
      <span className="sr-only">Previous slide</span>
    </Button>
  );
});
CarouselPrevious.displayName = "CarouselPrevious";

const CarouselNext = React.forwardRef<
  HTMLButtonElement,
  React.ComponentProps<typeof Button>
>(({ className, variant = "outline", size = "icon", ...props }, ref) => {
  const { orientation, scrollNext, canScrollNext } = useCarousel();

  return (
    <Button
      ref={ref}
      variant={variant}
      size={size}
      className={cn(
        orientation === "horizontal"
          ? "top-1/2 -right-10 md:-right-14 -translate-y-1/2 active:-translate-y-1 aspect-square shrink-0 w-8 h-9 md:w-9 md:h-10 "
          : "-bottom-12 left-1/2 -translate-x-1/2 rotate-90 w-8 h-10 md:w-9 md:h-11",
        "absolute rounded-none aspect-square grid place-items-center",
        className
      )}
      disabled={!canScrollNext}
      onClick={scrollNext}
      {...props}
    >
      <svg
        width="50"
        height="50"
        viewBox="0 0 256 256"
        fill="currentColor"
        className="block"
        xmlns="http://www.w3.org/2000/svg"
        stroke="currentColor"
        strokeWidth="0.25"
        color="currentColor"
        aria-label="arrow-right"
      >
        <rect x="64" y="120" width="14" height="14" rx="1"></rect>
        <rect x="96" y="120" width="14" height="14" rx="1"></rect>
        <rect x="80" y="120" width="14" height="14" rx="1"></rect>
        <rect x="112" y="120" width="14" height="14" rx="1"></rect>
        <rect x="144" y="120" width="14" height="14" rx="1"></rect>
        <rect x="160" y="120" width="14" height="14" rx="1"></rect>
        <rect x="160" y="136" width="14" height="14" rx="1"></rect>
        <rect x="144" y="152" width="14" height="14" rx="1"></rect>
        <rect x="128" y="72" width="14" height="14" rx="1"></rect>
        <rect x="128" y="168" width="14" height="14" rx="1"></rect>
        <rect x="176" y="120" width="14" height="14" rx="1"></rect>
        <rect x="160" y="104" width="14" height="14" rx="1"></rect>
        <rect x="144" y="88" width="14" height="14" rx="1"></rect>
        <rect x="128" y="120" width="14" height="14" rx="1"></rect>
      </svg>
      <span className="sr-only">Next slide</span>
    </Button>
  );
});
CarouselNext.displayName = "CarouselNext";

export {
  type CarouselApi,
  Carousel,
  CarouselContent,
  CarouselItem,
  CarouselPrevious,
  CarouselNext,
};
```