package gay.pizza.CavesOfJolk import com.badlogic.gdx.graphics.Color import com.badlogic.gdx.graphics.g3d.Attribute import com.badlogic.gdx.graphics.g3d.Attributes import com.badlogic.gdx.math.* import ktx.math.div import ktx.math.times import ktx.math.unaryMinus import org.hsluv.HUSLColorConverter import kotlin.math.pow import kotlin.random.Random 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) val zero get() = Vector3.Zero val one get() = Vector3(1.0f, 1.0f, 1.0f) val forward get() = -Vector3.Z val right get() = Vector3.X val up get() = Vector3.Y } } 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) } fun Color.mix(rhs: Color, x: Float) = Color( MathUtils.lerp(this.r, rhs.r, x), MathUtils.lerp(this.g, rhs.g, x), MathUtils.lerp(this.b, rhs.b, x), MathUtils.lerp(this.a, rhs.a, x)) //FIXME: find some way to get rid of these warnings @Suppress("EXTENSION_SHADOWED_BY_MEMBER", "UNCHECKED_CAST") fun Attributes.get(type: Long) = get(type) as? T fun Random.nextFloat(min: Float, max: Float) = min + nextFloat() * (max - min) fun RandomXS128.nextQuaternion(): Quaternion { var x: Float var y: Float var z: Float do { x = nextFloat(-1.0f, 1.0f); y = nextFloat(-1.0f, 1.0f); z = x * x + y * y } while (z > 1.0f) var u: Float var v: Float var w: Float do { u = nextFloat(-1.0f, 1.0f); v = nextFloat(-1.0f, 1.0f); w = u * u + v * v } while (w > 1.0f) val s = kotlin.math.sqrt((1.0f - z) / w) return Quaternion(x, y, s * u, s * v) }