tornadofx動畫演示分錢問題，多種方法
阿新 • • 發佈：2019-07-16
import javafx.animation.AnimationTimer
import javafx.collections.FXCollections
import javafx.scene.paint.Color
import javafx.scene.shape.Rectangle
import javafx.util.Duration
import tornadofx.*
class LearnApp : App(LearnV::class)
class LearnV : View("learn 分錢問題") {
// 每個矩形寬度
val w = 10.0
// 100個矩形容器
val rec = FXCollections.observableArrayList<Rectangle>()
val b = (0..99)
val money0 = 50
// 100個人，每人money0元
val money = b.map { money0 }.toIntArray()
// 動畫計時器
val aniTimer = AniTimer(this)
// 每次給其他人10元
val money1 = 5
val result = stringProperty()
val max = stringProperty()
val h= doubleProperty()
override val root = borderpane {
top = vbox(5) {
label(result) {
isWrapText = true
}
label(max)
hbox(5) {
button("run").action {
// ani()
aniTimer.start()
}
button("stop").action {
// ani()
aniTimer.stop()
}
button("transform").action {
// ani()
rec[1].transform(
Duration.seconds(1.0),
javafx.geometry.Point2D(1.0, 1.0),
0,
javafx.geometry.Point2D(1.0, 2.0),
100
)
rec[2].translateY = 20.0
rec[3].translateX = 5.0
rec[4].translateZ = 20.0
rec[5].height = 60.0
}
}
}
center = group {
canvas {
this.graphicsContext2D.fill=Color.AZURE
this.height = 800.0
this.width = 1000.0
h.bind(heightProperty())
for (i in money.indices) {
val r = rectangle(w * i, 200.0, w - 5, money0) {
fill = Color.BLUE
}
rec.add(r)
}
}
}
// barchart("Unit Sales Q2 2016", CategoryAxis(), NumberAxis()) {
// series("Product X") {
// (0..50).forEach {
// data("${it}", 10245)
// }
// }
// }
// prefWidth = 800.0
// prefHeight = 800.0
}
fun paint() {
var i = 0
timeline {
keyframe(Duration.seconds(0.10)) {
money.forEach {
val j = b.random()
// 保證每人手裡有錢
if (money[i] > 0) {
money[i] -= money1
money[j] += money1
keyvalue(rec[i].heightProperty(), money[i])
keyvalue(rec[j].heightProperty(), money[j])
}
i++
}
// 如要看排序後的結果，取消下面註釋
money.sort()
result.value = money.toList().toString()
max.value = "最大值：${money.max()}"
// println(money.toList())
}
}
}
// 抖動明顯
fun paint1() {
var i = 0
timeline {
keyframe(Duration.seconds(0.10)) {
money.forEach {
val j = b.random()
money[i] -= money1
money[j] += money1
if (money[i] > 0) {
rec[i].y = 500.0 - money[i]
keyvalue(rec[i].heightProperty(), money[i])
} else {
rec[i].fill = Color.RED
rec[i].y = 500.0
keyvalue(rec[i].heightProperty(), -money[i])
}
i++
}
// 如要看排序後的結果，取消下面註釋
money.sort()
result.value = money.toList().toString()
max.value = "最大值：${money.max()}"
// println(money.toList())
}
}
}
fun paint2() {
var i = 0
money.forEach {
val j = b.random()
money[i] -= money1
money[j] += money1
if (money[i] > 0) {
// rec[i].y = h.value/2 - money[i]
rec[i].translateY = h.value/2 - money[i]
rec[i].height = money[i].toDouble()
} else {
rec[i].fill = Color.RED
// rec[i].y = h.value/2
rec[i].translateY = h.value/2
rec[i].height = -money[i].toDouble()
}
i++
}
// 如要看排序後的結果，取消下面註釋
money.sort()
result.value = money.toList().toString()
max.value = "最大值：${money.max()}"
// println(money.toList())
}
// 此方法可以停止動畫
class AniTimer(val learnV: LearnV) : AnimationTimer() {
var lastTime = 0L
override fun handle(now: Long) {
if ((now - lastTime) > 10000000) {
lastTime = now
} else {
return
}
// learnV.paint()
// learnV.paint1()
learnV.paint2()
}
}
// 此方法無法停止動畫
fun ani() {
class AniTimer : AnimationTimer() {
var lastTime = 0L
override fun handle(now: Long) {
if ((now - lastTime) > 10000000) {
lastTime = now
} else {
return
}
paint()
}
}
AniTimer().start()
}
}