diff options
Diffstat (limited to 'vfd-dashboard/src/main/scala/vfd/dashboard/ui/instruments/Distribution.scala')
-rw-r--r-- | vfd-dashboard/src/main/scala/vfd/dashboard/ui/instruments/Distribution.scala | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/vfd-dashboard/src/main/scala/vfd/dashboard/ui/instruments/Distribution.scala b/vfd-dashboard/src/main/scala/vfd/dashboard/ui/instruments/Distribution.scala new file mode 100644 index 0000000..caeac33 --- /dev/null +++ b/vfd-dashboard/src/main/scala/vfd/dashboard/ui/instruments/Distribution.scala @@ -0,0 +1,26 @@ +package vfd.dashboard.ui.instruments + +import org.scalajs.dom.html +import vfd.dashboard.Environment + +class Distribution(implicit env: Environment) extends SvgInstrument[(Double, Double, Double, Double)] { + import SvgInstrument._ + + val initial = (0.0, 0.0, 0.0, 0.0) + + lazy val element = svgObject("distribution") + lazy val position = part("position") + lazy val moveable = Seq(position) + + private final val Radius = 50 //px + + protected def update(value: (Double, Double, Double, Double)) = { + val sum = value._1 + value._2 + value._3 + value._4 + val i = (value._1 - value._3) / sum + val j = (value._2 - value._4) / sum + val x = math.sqrt(2) / 2 * (i - j) + val y = math.sqrt(2) / 2 * (-i - j) + translate(position, (x * Radius).toInt, (y * Radius).toInt) + } + +}
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