seedy projeckt jolked

src/main/kotlin/Util.kt

@@ -0,0 +1,53 @@
+package gay.pizza.CavesOfJolk
+
+import com.badlogic.gdx.graphics.Color
+import com.badlogic.gdx.math.Vector2
+import ktx.math.div
+import ktx.math.times
+import org.hsluv.HUSLColorConverter
+import kotlin.math.pow
+
+fun Float.axisDeadzone(min: Float, max: Float): Float
+{
+	val xabs = Math.abs(this)
+	return if (xabs <= min) 0.0f
+	else if (xabs >= max) Math.copySign(1.0f, this)
+	else Math.copySign(xabs - min, this) / (max - min)
+}
+
+fun Vector2.cardinalDeadzone(min: Float, max: Float)
+= Vector2(this.x.axisDeadzone(min, max), this.y.axisDeadzone(min, max))
+
+fun Vector2.radialDeadzone(min: Float, max: Float): Vector2
+{
+	val magnitude = this.len()
+	if (magnitude == 0.0f || magnitude < min)
+		return Vector2()
+	if (magnitude > max)
+		return this / magnitude
+	val rescale = (magnitude - min) / (max - min)
+	return this / magnitude * rescale
+}
+
+val Double.saturate get() = if (this > 1.0) 1.0 else if (this < 0.0) 0.0 else this
+
+class Util
+{
+	companion object
+	{
+		public fun colorFromAbgr8888(abgr8888: UInt) = Color(
+			(abgr8888 and 0xFFu).toFloat() / 255.0f,
+			((abgr8888 and 0xFF00u) shr 8).toFloat() / 255.0f,
+			((abgr8888 and 0xFF0000u) shr 16).toFloat() / 255.0f,
+			((abgr8888 and 0xFF000000u) shr 24).toFloat() / 255.0f)
+	}
+}
+
+fun Color.lighten(ld: Double): Color
+{
+	val hsl = HUSLColorConverter.rgbToHsluv(doubleArrayOf(r.toDouble(), g.toDouble(), b.toDouble()))
+	val gamma = 3.0
+	hsl[2] = ((hsl[2] / 100.0).pow(1.0 / gamma) + ld * 0.8).saturate.pow(gamma) * 100.0
+	val rgb = HUSLColorConverter.hsluvToRgb(hsl)
+	return Color(rgb[0].toFloat(), rgb[1].toFloat(), rgb[2].toFloat(), a)
+}