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Wireframe for a cube

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This commit is contained in:
Alexander Nozik 2019-03-08 21:38:49 +03:00
parent 4db090c240
commit c2d15ded20
3 changed files with 22 additions and 3 deletions
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8
dataforge-vis-spatial-js/src/main/kotlin/hep/dataforge/vis/spatial/ThreeOutput.kt
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@ -12,8 +12,10 @@ import info.laht.threekt.cameras.PerspectiveCamera
import info.laht.threekt.core.Object3D
import info.laht.threekt.external.controls.OrbitControls
import info.laht.threekt.geometries.BoxBufferGeometry
import info.laht.threekt.geometries.WireframeGeometry
import info.laht.threekt.lights.AmbientLight
import info.laht.threekt.math.ColorConstants
import info.laht.threekt.objects.LineSegments
import info.laht.threekt.objects.Mesh
import info.laht.threekt.scenes.Scene
import org.w3c.dom.Element
@ -82,6 +84,8 @@ class ThreeOutput(override val context: Context) : Output<DisplayObject> {
material = box["color"].material()
}
Mesh(geometry, obj["color"].material()).also { mesh ->
//TODO replace by edges after adding it to three.kt
mesh.add(LineSegments(WireframeGeometry(geometry),Materials.DEFAULT))
obj.onChange(this) { _, _, _ ->
mesh.updateProperties(obj)
mesh.update(obj)
@ -98,7 +102,9 @@ class ThreeOutput(override val context: Context) : Output<DisplayObject> {
}
override fun render(obj: DisplayObject, meta: Meta) {
buildNode(obj)?.let { scene.add(it) }
buildNode(obj)?.let {
scene.add(it)
}
}
// init {

12
dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Extruded.kt
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@ -1,18 +1,26 @@
package hep.dataforge.vis.spatial
import hep.dataforge.meta.EmptyMeta
import hep.dataforge.meta.Meta
import hep.dataforge.meta.*
import hep.dataforge.names.toName
import hep.dataforge.vis.DisplayGroup
import hep.dataforge.vis.DisplayLeaf
import hep.dataforge.vis.DisplayObject
class Extruded(parent: DisplayObject?, meta: Meta) : DisplayLeaf(parent, TYPE, meta) {
val shape get() = shape(properties["shape"] ?: error("Shape not defined"))
companion object {
const val TYPE = "geometry.spatial.extruded"
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()
}
}
}
fun DisplayGroup.extrude(meta: Meta = EmptyMeta, action: Extruded.() -> Unit = {}) =
Extruded(this, meta).apply(action).also { addChild(it) }

5
dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Geometry.kt
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@ -1 +1,6 @@
package hep.dataforge.vis.spatial
data class Point2D(val x: Number, val y: Number)
typealias Shape2D = List<Point2D>