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Performance fix for vertices index

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This commit is contained in:
Alexander Nozik 2019-07-02 15:25:32 +03:00
parent 397cc4b679
commit 4274dfff88
2 changed files with 10 additions and 6 deletions
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3
dataforge-vis-spatial-js/src/main/kotlin/hep/dataforge/vis/spatial/ThreeFactory.kt
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@ -11,7 +11,6 @@ import hep.dataforge.vis.spatial.ThreeFactory.Companion.updateMesh
import hep.dataforge.vis.spatial.three.ConvexBufferGeometry
import hep.dataforge.vis.spatial.three.EdgesGeometry
import hep.dataforge.vis.spatial.three.euler
import hep.dataforge.vis.spatial.three.toBufferGeometry
import info.laht.threekt.core.BufferGeometry
import info.laht.threekt.core.Object3D
import info.laht.threekt.geometries.BoxBufferGeometry
@ -106,7 +105,7 @@ object ThreeShapeFactory : MeshThreeFactory<Shape>(Shape::class) {
override fun buildGeometry(obj: Shape): BufferGeometry {
return obj.run {
ThreeGeometryBuilder().apply { buildGeometry() }.build()
}.toBufferGeometry()
}
}
}

13
dataforge-vis-spatial-js/src/main/kotlin/hep/dataforge/vis/spatial/ThreeGeometryBuilder.kt
View File

@ -3,22 +3,27 @@ package hep.dataforge.vis.spatial
import hep.dataforge.meta.Meta
import hep.dataforge.meta.get
import hep.dataforge.meta.int
import hep.dataforge.vis.spatial.three.toBufferGeometry
import info.laht.threekt.core.BufferGeometry
import info.laht.threekt.core.Face3
import info.laht.threekt.core.Geometry
import info.laht.threekt.math.Color
import info.laht.threekt.math.Vector3
class ThreeGeometryBuilder : GeometryBuilder<Geometry> {
class ThreeGeometryBuilder : GeometryBuilder<BufferGeometry> {
private val vertices = ArrayList<Point3D>()
private val faces = ArrayList<Face3>()
private val vertexCache = HashMap<Point3D, Int>()
private fun append(vertex: Point3D): Int {
val index = vertices.indexOf(vertex)
val index = vertexCache[vertex] ?: -1//vertices.indexOf(vertex)
return if (index > 0) {
index
} else {
vertices.add(vertex)
vertexCache[vertex] = vertices.size - 1
vertices.size - 1
}
}
@ -38,10 +43,10 @@ class ThreeGeometryBuilder : GeometryBuilder<Geometry> {
)
}
override fun build(): Geometry {
override fun build(): BufferGeometry {
return Geometry().apply {
vertices = this@ThreeGeometryBuilder.vertices.map { it.asVector() }.toTypedArray()
faces = this@ThreeGeometryBuilder.faces.toTypedArray()
}
}.toBufferGeometry()
}
}