14. Drag: 3D transform

14. Drag: 3D transform

This example also uses useTransform() to transform the drag distance to other values (like the one on the previous page). Here the x and y positions are converted into rotateX and rotateY values.

⚡️ Some Examples – 14 – Drag: 3D transform
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This box is made draggable in all directions but has drag constraints that make it bounce back when you release it. In addition, its drag elastic is set a bit higher than the default so you can drag it further.

Here, we’re tracking both its x and y and changing them to 3D rotation values.

  • When you drag the box left or right (changing its x), you change its rotateY (the axis that runs from top to bottom).
  • And when you drag it up or down (y), you change its rotateX (the horizontal axis).
export function Example() {
    const x = useMotionValue(0);
    const y = useMotionValue(0);
    const rotateX = useTransform(y, [-100, 100], [60, -60]);
    const rotateY = useTransform(x, [-100, 100], [-60, 60]);

    return (
                width: 100,
                height: 100,
                borderRadius: "50%",
                    "radial-gradient(rgba(255,255,255,0), rgba(255,255,255,0.3))",
                perspective: 800
                    width: 150,
                    height: 150,
                    borderRadius: 30,
                    backgroundColor: "#fff",
                    left: -25,
                    top: -25,
                    position: "relative",
                dragConstraints={{ top: 0, right: 0, bottom: 0, left: 0 }}

Without a CSS perspective value, you wouldn’t see any 3D effect, so I gave the box’s parent layer (that unassuming small circle in the back) a bit of perspective.

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