Mask · 41 / 60

Radar Sweep

A sonar veil covers the photo, then a radar beam sweeps around the center to clear it on hover.

Hover to sweep the radar veil away.

Adjust

Veil color

Veil opacity0.92

Sweep edge22deg

Duration900ms

Easing

Metadata

interaction: Hover reveal · visible on touch
browser: Enhanced — @property
reduced motion: included
touch fallback: Fully visible on touch

/* Radar Sweep — made with Image FX · https://cssimagelab.com/effects/radar-sweep */
.ifx-card {
  position: relative; display: block; overflow: hidden;
  border-radius: var(--ifx-radius, 4px);
  aspect-ratio: var(--ifx-ar, 4 / 3); isolation: isolate;
}
@supports (corner-shape: squircle) { .ifx-card { corner-shape: squircle; } }
.ifx-card__img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--ifx-duration, 500ms) var(--ifx-ease, cubic-bezier(.2,.6,.2,1)),
              filter var(--ifx-duration, 500ms) var(--ifx-ease, ease);
}
.ifx-card__caption {
  position: absolute; z-index: 3; margin: 0; color: var(--ifx-text, #fff);
}
.ifx-card__caption h3 { margin: 0; font-size: 1.05rem; font-weight: 600; line-height: 1.2; }
.ifx-card__caption p { margin: 0.3rem 0 0; font-size: 0.78rem; opacity: 0.82; }

.ifx-card--radar-sweep {
  --ifx-radar-color: #0b0f16;
  --ifx-radar-op: 0.92;
  --ifx-radar-feather: 22deg;
  --ifx-duration: 900ms;
  --ifx-ease: cubic-bezier(.2,.6,.2,1);
}

@property --ifx-radar-angle {
  syntax: "<angle>"; inherits: true; initial-value: 0deg;
}
@media (hover: hover) and (pointer: fine) {
  .ifx-card--radar-sweep::after {
    content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
    opacity: var(--ifx-radar-op, 0.92);
    background: conic-gradient(from -90deg,
      transparent 0 calc(var(--ifx-radar-angle) - var(--ifx-radar-feather, 22deg)),
      var(--ifx-radar-color, #0b0f16) var(--ifx-radar-angle) 360deg);
    transition: --ifx-radar-angle var(--ifx-duration, 900ms) var(--ifx-ease, cubic-bezier(.2,.6,.2,1));
  }
  .ifx-card--radar-sweep:hover::after,
  .ifx-card--radar-sweep:focus-within::after { --ifx-radar-angle: 382deg; }
}

@media (prefers-reduced-motion: reduce) {
  .ifx-card, .ifx-card *, .ifx-card::before, .ifx-card::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

Edit the CSS above — the preview updates live.

Radar Sweep

About Radar Sweep

Use cases

Browser support

Accessibility