Optimizations... optimizations

visionforge-threejs/build.gradle.kts

@@ -10,6 +10,6 @@ kotlin{
 
 dependencies {
     api(project(":visionforge-solid"))
-    implementation(npm("three", "0.137.5"))
+    implementation(npm("three", "0.143.0"))
     implementation(npm("three-csg-ts", "3.1.10"))
 }

visionforge-threejs/src/main/kotlin/space/kscience/visionforge/solid/three/ThreeCanvas.kt

@@ -212,7 +212,7 @@ public class ThreeCanvas(
     }
 
     //find first non-static parent in this object ancestry
-    private fun Object3D?.upTrace(): Object3D? = if (this?.name?.startsWith("@") == true) parent else this
+    private tailrec fun Object3D.upTrace(): Object3D? = if (!name.startsWith("@")) this else parent?.upTrace()
 
     private fun pick(): Object3D? {
         // update the picking ray with the camera and mouse position
@@ -222,8 +222,8 @@ public class ThreeCanvas(
         return root?.let { root ->
             val intersects = raycaster.intersectObject(root, true)
             //skip invisible objects
-            val obj = intersects.map { it.`object` }.firstOrNull { it.visible }
+            val obj: Object3D? = intersects.map { it.`object` }.firstOrNull { it.visible }
-            obj.upTrace()
+            obj?.upTrace()
         }
     }
 
@@ -280,20 +280,22 @@ public class ThreeCanvas(
         edgesName: String,
         material: LineBasicMaterial = SELECTED_MATERIAL,
     ) {
+
         if (userData[DO_NOT_HIGHLIGHT_TAG] == true) {
             return
         }
-        if (this is Mesh) {
+
-            val edges = getObjectByName(edgesName) ?: LineSegments(
+        if (isMesh(this)) {
+            val highlightMesh = getObjectByName(edgesName) ?: LineSegments(
                 EdgesGeometry(geometry),
                 material
             ).also {
                 it.name = edgesName
                 add(it)
             }
-            edges.visible = highlight
+            highlightMesh.visible = highlight
         } else {
-            children.filter { it.name != edgesName }.forEach {
+            children.filter { !it.name.startsWith("@") && it.name != edgesName }.forEach {
                 it.toggleHighlight(highlight, edgesName, material)
             }
         }

visionforge-threejs/src/main/kotlin/space/kscience/visionforge/solid/three/ThreeFactory.kt

@@ -3,7 +3,6 @@ package space.kscience.visionforge.solid.three
 import info.laht.threekt.core.BufferGeometry
 import info.laht.threekt.core.Object3D
 import info.laht.threekt.math.Euler
-import info.laht.threekt.objects.Mesh
 import space.kscience.dataforge.misc.Type
 import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.startsWith
@@ -62,7 +61,7 @@ public fun Object3D.updatePosition(vision: Vision) {
  */
 public fun Object3D.updateProperty(source: Vision, propertyName: Name) {
     // console.log("$source updated $propertyName with ${source.computeProperty(propertyName)}")
-    if (this is Mesh && propertyName.startsWith(MATERIAL_KEY)) {
+    if (isMesh(this) && propertyName.startsWith(MATERIAL_KEY)) {
         updateMaterialProperty(source, propertyName)
     } else if (
         propertyName.startsWith(Solid.POSITION_KEY)

visionforge-threejs/src/main/kotlin/space/kscience/visionforge/solid/three/ThreeMaterials.kt

@@ -39,13 +39,13 @@ public object ThreeMaterials {
 
     public val SELECTED_MATERIAL: LineBasicMaterial = LineBasicMaterial().apply {
         color.set(Colors.ivory)
-        linewidth = 8.0
+        linewidth = 2.0
         cached = true
     }
 
     public val HIGHLIGHT_MATERIAL: LineBasicMaterial = LineBasicMaterial().apply {
         color.set(Colors.blue)
-        linewidth = 8.0
+        linewidth = 2.0
         cached = true
     }
 

visionforge-threejs/src/main/kotlin/space/kscience/visionforge/solid/three/ThreeMeshFactory.kt

@@ -17,6 +17,7 @@ import space.kscience.visionforge.solid.SolidMaterial
 import space.kscience.visionforge.solid.layer
 import space.kscience.visionforge.solid.three.ThreeMeshFactory.Companion.EDGES_ENABLED_KEY
 import space.kscience.visionforge.solid.three.ThreeMeshFactory.Companion.EDGES_MATERIAL_KEY
+import space.kscience.visionforge.solid.three.ThreeMeshFactory.Companion.EDGES_OBJECT_NAME
 import kotlin.reflect.KClass
 
 /**
@@ -66,6 +67,7 @@ public abstract class ThreeMeshFactory<in T : Solid>(
 
     public companion object {
         public val EDGES_KEY: Name = "edges".asName()
+        internal const val EDGES_OBJECT_NAME: String = "@edges"
 
         //public val WIREFRAME_KEY: Name = "wireframe".asName()
         public val ENABLED_KEY: Name = "enabled".asName()
@@ -93,7 +95,7 @@ internal fun Mesh.applyProperties(vision: Solid): Mesh = apply {
 }
 
 public fun Mesh.applyEdges(vision: Solid) {
-    val edges = children.find { it.name == "@edges" } as? LineSegments
+    val edges = children.find { it.name == EDGES_OBJECT_NAME } as? LineSegments
     //inherited edges definition, enabled by default
     if (vision.properties.getValue(EDGES_ENABLED_KEY, inherit = true)?.boolean != false) {
         val bufferGeometry = geometry as? BufferGeometry ?: return
@@ -104,7 +106,7 @@ public fun Mesh.applyEdges(vision: Solid) {
                     EdgesGeometry(bufferGeometry),
                     material
                 ).apply {
-                    name = "@edges"
+                    name = EDGES_OBJECT_NAME
                 }
             )
         } else {

visionforge-threejs/src/main/kotlin/space/kscience/visionforge/solid/three/ThreeReferenceFactory.kt

@@ -17,11 +17,10 @@ public object ThreeReferenceFactory : ThreeFactory<SolidReference> {
     override val type: KClass<SolidReference> = SolidReference::class
 
     private fun Object3D.replicate(): Object3D {
-        return when (this) {
+        return when {
-            is Mesh -> Mesh(geometry, material).also {
+            isMesh(this) -> Mesh(geometry, material).also {
                 it.applyMatrix4(matrix)
             }
-
             else -> clone(false)
         }.also { obj: Object3D ->
             obj.name = this.name
@@ -40,7 +39,7 @@ public object ThreeReferenceFactory : ThreeFactory<SolidReference> {
         val object3D: Object3D = cachedObject.replicate()
         object3D.updatePosition(vision)
 
-        if (object3D is Mesh) {
+        if (isMesh(object3D)) {
             //object3D.material = ThreeMaterials.buildMaterial(obj.getProperty(SolidMaterial.MATERIAL_KEY).node!!)
             object3D.applyProperties(vision)
         }

visionforge-threejs/src/main/kotlin/space/kscience/visionforge/solid/three/three.kt

@@ -11,6 +11,7 @@ import info.laht.threekt.textures.Texture
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.float
 import space.kscience.dataforge.meta.get
+import kotlin.contracts.contract
 import kotlin.math.PI
 
 public val Meta.vector: Vector3 get() = Vector3(this["x"].float ?: 0f, this["y"].float ?: 0f, this["z"].float ?: 0f)
@@ -34,6 +35,14 @@ internal fun Any.dispose() {
 
 public fun Layers.check(layer: Int): Boolean = (mask shr (layer) and 0x00000001) > 0
 
+
+internal fun isMesh(object3D: Object3D): Boolean{
+    contract {
+        returns(true) implies (object3D is Mesh)
+    }
+    return object3D.asDynamic().isMesh as? Boolean ?: false
+}
+
 internal fun Object3D.takeIfMesh(): Mesh? {
     val d = asDynamic()
     return if(d.isMesh as Boolean){