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Working on new shapes

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This commit is contained in:
Alexander Nozik 2019-06-30 20:23:38 +03:00
parent 598030f970
commit aa867af3c3
5 changed files with 30 additions and 13 deletions
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1
dataforge-vis-spatial-js/build.gradle.kts
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@ -25,6 +25,7 @@ configure<KotlinFrontendExtension> {
configure<NpmExtension> {
dependency("three-full")
dependency("style-loader")
dependency("element-resize-event")
devDependency("karma")
}

14
dataforge-vis-spatial-js/src/main/kotlin/hep/dataforge/vis/spatial/ThreeOutput.kt
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@ -6,6 +6,7 @@ import hep.dataforge.meta.*
import hep.dataforge.output.Output
import hep.dataforge.vis.common.DisplayGroup
import hep.dataforge.vis.common.DisplayObject
import hep.dataforge.vis.spatial.demo.require
import hep.dataforge.vis.spatial.three.Group
import info.laht.threekt.WebGLRenderer
import info.laht.threekt.cameras.PerspectiveCamera
@ -18,6 +19,8 @@ import info.laht.threekt.scenes.Scene
import org.w3c.dom.Element
import kotlin.browser.window
private val elementResizeEvent = require("element-resize-event")
class ThreeOutput(override val context: Context, val meta: Meta = EmptyMeta) : Output<DisplayObject> {
private val aspectRatio by meta.number(1.0).double
@ -41,7 +44,6 @@ class ThreeOutput(override val context: Context, val meta: Meta = EmptyMeta) : O
}
fun attach(element: Element, computeWidth: Element.() -> Int = { element.clientWidth }) {
val width by meta.number(computeWidth(element)).int
val height: Int = (width / aspectRatio).toInt()
@ -60,13 +62,11 @@ class ThreeOutput(override val context: Context, val meta: Meta = EmptyMeta) : O
renderer.render(scene, camera)
}
window.addEventListener("resize", {
elementResizeEvent(element) {
camera.updateProjectionMatrix()
val width by meta.number(computeWidth(element)).int
renderer.setSize(width, (width / aspectRatio).toInt())
}, false)
val newWidth = computeWidth(element)
renderer.setSize(newWidth, (newWidth / aspectRatio).toInt())
}
element.replaceWith(renderer.domElement)
animate()

3
dataforge-vis-spatial-js/src/main/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoGrid.kt
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@ -52,8 +52,7 @@ class ThreeDemoGrid(meta: Meta) : AbstractPlugin(meta), OutputManager {
div("col-4") {
h2 { +(meta["title"].string ?: name.toString()) }
hr()
val id = "output-$name"
output.attach(div { this.id = id }) { 300 }
output.attach(div { id = "output-$name" })
}
}
}

23
dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Extruded.kt
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@ -6,18 +6,37 @@ import hep.dataforge.vis.common.DisplayLeaf
import hep.dataforge.vis.common.DisplayObject
import hep.dataforge.vis.common.DisplayObjectList
typealias Shape2D = List<Point2D>
data class Layer(val z: Number, val x: Number = 0.0, val y: Number = 0.0, val scale: Number = 1.0)
class Extruded(parent: DisplayObject?, meta: Meta) : DisplayLeaf(parent, meta) {
val shape get() = shape(properties["shape"] ?: error("Shape not defined"))
val shape
get() = shape(properties["shape"] ?: error("Shape not defined"))
val layers
get() = properties.getAll("layer").values.map {
layer(it.node ?: error("layer item is not a node"))
}
companion object {
const val TYPE = "geometry.3d.extruded"
fun shape(item: MetaItem<*>): Shape2D {
private fun shape(item: MetaItem<*>): Shape2D {
return item.node?.getAll("xyPoint".toName())?.map { (_, value) ->
Point2D(value.node["x"].number ?: 0, value.node["y"].number ?: 0)
} ?: emptyList()
}
private fun layer(meta: Meta): Layer {
val x by meta.number(0.0)
val y by meta.number(0.0)
val z by meta.number { error("z is undefined in layer") }
val scale by meta.number(1.0)
return Layer(z, x, y, scale)
}
}
}

2
dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/GeometryBuilder.kt
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@ -8,8 +8,6 @@ import hep.dataforge.vis.common.DisplayObject
data class Point2D(val x: Number, val y: Number)
typealias Shape2D = List<Point2D>
data class Point3D(val x: Number, val y: Number, val z: Number) : MetaRepr {
override fun toMeta(): Meta = buildMeta {
"x" to x