Created
February 1, 2023 10:04
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compose wave slider
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| @Composable | |
| fun WaveSlider() { | |
| var progress by remember { mutableStateOf(0f) } | |
| var phase by remember { mutableStateOf(0.0) } | |
| LaunchedEffect(true) { | |
| try { | |
| while (true) { | |
| delay(30) | |
| if (phase >= 10.0) { | |
| phase = 0.0 | |
| } | |
| phase += 0.002 | |
| } | |
| } catch (e: Exception) { | |
| } | |
| } | |
| Box(modifier = Modifier.fillMaxSize().padding(30.dp)) { | |
| Slider( | |
| colors = SliderDefaults.colors( | |
| thumbColor = MaterialTheme.colors.primary, | |
| disabledThumbColor = MaterialTheme.colors.onSurface | |
| .copy(alpha = ContentAlpha.disabled) | |
| .compositeOver(MaterialTheme.colors.surface), | |
| activeTrackColor = Color(0), | |
| inactiveTrackColor = Color(0), | |
| disabledActiveTrackColor = | |
| Color(0), | |
| disabledInactiveTrackColor = | |
| Color(0), | |
| activeTickColor = Color(0), | |
| inactiveTickColor = Color(0), | |
| disabledActiveTickColor = Color(0), | |
| disabledInactiveTickColor = Color(0) | |
| ), | |
| value = progress, | |
| onValueChange = { progress = it }, | |
| modifier = Modifier.fillMaxWidth() | |
| .height(10.dp) | |
| .align(Alignment.Center) | |
| .drawBehind { | |
| var yOffset = size.height / 2 | |
| val step = 5.0 | |
| var x1 = 0.0 | |
| var y1 = 0.0 + yOffset | |
| val t = size.width / 10 | |
| val w = 2 * Math.PI / t | |
| val a = 10 | |
| var x2 = 0.0 | |
| var y2 = 0.0 | |
| while (x1 < size.width * progress) { | |
| x2 = x1 + step | |
| y2 = a * Math.sin(w * x2 + phase * t) + yOffset | |
| drawLine( | |
| color = Color(0xfff93684), | |
| start = Offset(x1.toFloat(), y1.toFloat()), | |
| end = Offset(x2.toFloat(), y2.toFloat()), | |
| strokeWidth = 5f | |
| ) | |
| x1 = x2 | |
| y1 = y2 | |
| } | |
| drawLine( | |
| color = Color(0xfff93684), | |
| start = Offset(size.width * progress, yOffset), | |
| end = Offset(size.width, yOffset), | |
| strokeWidth = 5f | |
| ) | |
| } | |
| ) | |
| } | |
| } |
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