info.laht.threekt.helpers.PointLightHelper.kt Maven / Gradle / Ivy

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Port of the three.js 3D javascript library for Kotlin/JVM

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package info.laht.threekt.helpers

import info.laht.threekt.geometries.SphereBufferGeometry
import info.laht.threekt.lights.PointLight
import info.laht.threekt.materials.MaterialWithColor
import info.laht.threekt.materials.MeshBasicMaterial
import info.laht.threekt.math.Color
import info.laht.threekt.objects.Mesh

class PointLightHelper(
    val light: PointLight,
    sphereSize: Number = 1f,
    val color: Color? = null
) : Mesh(
    geometry = SphereBufferGeometry(sphereSize.toFloat(), 4, 2),
    material = MeshBasicMaterial().apply {
        wireframe = true
        fog = false
    }) {

    init {

        this.matrix = this.light.matrixWorld
        this.matrixAutoUpdate = false

        update()
    }

    fun update() {

        (material as MaterialWithColor).also { material ->
            if (this.color != null) {

                material.color.set(this.color)

            } else {

                material.color.copy(this.light.color)

            }
        }


    }

    fun dispose() {
        this.geometry.dispose()
        this.material.dispose()
    }

}