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Workaround for csg uv bug

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This commit is contained in:
Alexander Nozik 2021-07-11 09:58:01 +03:00
parent c82c0ecea3
commit ba637413c7
5 changed files with 20 additions and 18 deletions
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7
demo/js-playground/src/main/kotlin/JsPlaygroundApp.kt
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@ -1,7 +1,6 @@
import kotlinx.browser.document
import kotlinx.css.height
import kotlinx.css.vh
import kotlinx.css.vw
import kotlinx.css.pct
import kotlinx.css.width
import react.child
import react.dom.render
@ -32,8 +31,8 @@ private class JsPlaygroundApp : Application {
render(element) {
styledDiv {
css{
height = 100.vh
width = 100.vw
height = 100.pct
width = 100.pct
}
child(ThreeCanvasWithControls) {
attrs {

3
demo/js-playground/src/main/resources/index.html
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@ -2,10 +2,11 @@
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>js-playground</title>
<script src="js-playground.js"></script>
</head>
<body>
<body class="application">
<div id="playground"></div>
</body>
</html>

3
demo/playground/src/jvmMain/kotlin/gdmlIaxo.kt
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@ -3,7 +3,6 @@ package space.kscience.visionforge.examples
import space.kscience.dataforge.context.Context
import space.kscience.gdml.GdmlShowCase
import space.kscience.visionforge.gdml.toVision
import space.kscience.visionforge.html.ResourceLocation
import space.kscience.visionforge.solid.Solids
fun main() {
@ -11,7 +10,7 @@ fun main() {
plugin(Solids)
}
context.makeVisionFile(resourceLocation = ResourceLocation.EMBED) {
context.makeVisionFile {
vision("canvas") { GdmlShowCase.babyIaxo().toVision() }
}
}

1
visionforge-threejs/src/main/kotlin/info/laht/threekt/THREE.kt
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@ -24,6 +24,7 @@
@file:JsModule("three")
@file:JsNonModule
@file:Suppress("NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING", "unused")
package info.laht.threekt

24
visionforge-threejs/src/main/kotlin/space/kscience/visionforge/solid/three/ThreeGeometryBuilder.kt
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@ -11,10 +11,10 @@ import space.kscience.visionforge.solid.minus
internal fun Point3D.toVector() = Vector3(x, y, z)
internal fun <T> MutableList<T>.add(f1: T, f2: T, f3: T) {
add(f1)
add(f2)
add(f3)
internal fun <T> MutableList<T>.add(vararg values: T) {
values.forEach {
add(it)
}
}
/**
@ -25,16 +25,16 @@ public class ThreeGeometryBuilder : GeometryBuilder<BufferGeometry> {
private val indices = ArrayList<Short>()
private val positions = ArrayList<Float>()
private val normals = ArrayList<Float>()
private val colors = ArrayList<Float>()
// private val colors = ArrayList<Float>()
private val vertexCache = HashMap<Point3D, Short>()
private var counter: Short = -1
private fun indexOf(vertex: Point3D, normal: Point3D): Short = vertexCache.getOrPut(vertex) {
private fun vertex(vertex: Point3D, normal: Point3D): Short = vertexCache.getOrPut(vertex) {
//add vertex and update cache if needed
positions.add(vertex.x, vertex.y, vertex.z)
normals.add(normal.x, vertex.y, vertex.z)
colors.add(1f, 1f, 1f)
//colors.add(1f, 1f, 1f)
counter++
counter
}
@ -42,19 +42,21 @@ public class ThreeGeometryBuilder : GeometryBuilder<BufferGeometry> {
override fun face(vertex1: Point3D, vertex2: Point3D, vertex3: Point3D, normal: Point3D?, meta: Meta) {
val actualNormal: Point3D = normal ?: (vertex3 - vertex2) cross (vertex1 - vertex2)
indices.add(
indexOf(vertex1, actualNormal),
indexOf(vertex2, actualNormal),
indexOf(vertex3, actualNormal)
vertex(vertex1, actualNormal),
vertex(vertex2, actualNormal),
vertex(vertex3, actualNormal)
)
}
override fun build(): BufferGeometry = BufferGeometry().apply {
//setIndex(Int16BufferAttribute(indices.toShortArray(), 1))
setIndex(indices.toTypedArray())
setAttribute("position", Float32BufferAttribute(positions.toTypedArray(), 3))
setAttribute("normal", Float32BufferAttribute(normals.toTypedArray(), 3))
//setAttribute("color", Float32BufferAttribute(colors.toFloatArray(), 3))
//a temporary fix for CSG problem
val uvsArray = Array<Float>((counter+1)*2){0f}
setAttribute("uv", Float32BufferAttribute(uvsArray, 2))
computeBoundingSphere()
}