Increase the size of ripple sparkle (5501d76c) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/charging/ChargingRippleView.kt

+12 −1

Original line number	Diff line number	Diff line
		@@ -20,13 +20,14 @@ import android.animation.Animator
		import android.animation.AnimatorListenerAdapter
		import android.animation.ValueAnimator
		import android.content.Context
		import android.content.res.Configuration
		import android.graphics.Canvas
		import android.graphics.Paint
		import android.graphics.PointF
		import android.util.AttributeSet
		import android.view.View

		private const val RIPPLE_SPARKLE_STRENGTH: Float = 0.4f
		private const val RIPPLE_SPARKLE_STRENGTH: Float = 0.3f

		/**
		* Expanding ripple effect that shows when charging begins.
		@@ -51,6 +52,16 @@ class ChargingRippleView(context: Context?, attrs: AttributeSet?) : View(context
		visibility = View.GONE
		}

		override fun onConfigurationChanged(newConfig: Configuration?) {
		rippleShader.pixelDensity = resources.displayMetrics.density
		super.onConfigurationChanged(newConfig)
		}

		override fun onAttachedToWindow() {
		rippleShader.pixelDensity = resources.displayMetrics.density
		super.onAttachedToWindow()
		}

		fun startRipple() {
		if (rippleInProgress) {
		return // Ignore if ripple effect is already playing

packages/SystemUI/src/com/android/systemui/statusbar/charging/RippleShader.kt

+19 −10

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@ class RippleShader internal constructor() : RuntimeShader(SHADER, false) {
		uniform float in_fadeCircle;
		uniform float in_fadeRing;
		uniform float in_blur;
		uniform float in_pixelDensity;
		uniform vec4 in_color;
		uniform float in_sparkle_strength;"""
		private const val SHADER_LIB = """float triangleNoise(vec2 n) {
		@@ -60,12 +61,13 @@ class RippleShader internal constructor() : RuntimeShader(SHADER, false) {
		float n = triangleNoise(uv);
		float s = 0.0;
		for (float i = 0; i < 4; i += 1) {
		float l = i * 0.25;
		float h = l + 0.005;
		float o = abs(sin(0.1 * PI * (t + i)));
		s += threshold(n + o, l, h);
		float l = i * 0.01;
		float h = l + 0.1;
		float o = smoothstep(n - l, h, n);
		o = abs(sin(PI o * (t + 0.55 * i)));
		s += o;
		}
		return saturate(s);
		return s;
		}

		float softCircle(vec2 uv, vec2 xy, float radius, float blur) {
		@@ -96,10 +98,11 @@ class RippleShader internal constructor() : RuntimeShader(SHADER, false) {

		// Draw shapes
		float sparkleRing = softRing(p_distorted, in_origin, in_radius, in_blur);
		float sparkle = sparkles(p, in_time * 0.000033) * sparkleRing * in_fadeSparkle;
		float sparkle = sparkles(p - mod(p, in_pixelDensity * 0.8), in_time * 0.00175)
		* sparkleRing * in_fadeSparkle;
		float circle = softCircle(p_distorted, in_origin, in_radius * 1.2, in_blur);
		float rippleAlpha = max(circle * in_fadeCircle,
		softRing(p_distorted, in_origin, in_radius, in_blur) * in_fadeRing) * 0.36;
		softRing(p_distorted, in_origin, in_radius, in_blur) * in_fadeRing) * 0.45;
		vec4 ripple = in_color * rippleAlpha;
		return mix(ripple, vec4(sparkle), sparkle * in_sparkle_strength);
		}"""
		@@ -139,12 +142,12 @@ class RippleShader internal constructor() : RuntimeShader(SHADER, false) {
		field = value
		setUniform("in_progress", value)
		setUniform("in_radius",
		(1 - (1 - value) * (1 - value) * (1 - value))* 1.2f * radius)
		(1 - (1 - value) * (1 - value) * (1 - value))* radius)
		setUniform("in_blur", MathUtils.lerp(1.25f, 0.5f, value))

		val fadeIn = subProgress(0f, 0.1f, value)
		val fadeOutNoise = subProgress(0.8f, 1f, value)
		val fadeOutRipple = subProgress(0.4f, 1f, value)
		val fadeOutNoise = subProgress(0.4f, 1f, value)
		val fadeOutRipple = subProgress(0.3f, 1f, value)
		val fadeCircle = subProgress(0f, 0.2f, value)
		setUniform("in_fadeSparkle", Math.min(fadeIn, 1 - fadeOutNoise))
		setUniform("in_fadeCircle", 1 - fadeCircle)
		@@ -191,4 +194,10 @@ class RippleShader internal constructor() : RuntimeShader(SHADER, false) {
		setUniform("in_distort_radial", 75 * progress * value)
		setUniform("in_distort_xy", 75 * value)
		}

		var pixelDensity: Float = 1.0f
		set(value) {
		field = value
		setUniform("in_pixelDensity", value)
		}
		}