babylonjs-builder-pattern.ts

babylonjs-builder-pattern.ts

import { Animation, CubicEase, EasingFunction, Mesh, MeshBuilder, MultiMaterial, Scene, Vector3, ActionManager, InterpolateValueAction } from "@babylonjs/core"
import { RACK_HEIGHT, RACK_WIDTH, UNIT_HEIGHT } from "config/canvas-constants"
import { genMultiMaterialMesh } from "utils/canvas-utils"

export class DoorBuilder {
    constructor(private scene: Scene, material: MultiMaterial) {
        const doorCube = MeshBuilder.CreateBox("door", { width: RACK_WIDTH, height: RACK_HEIGHT, depth: UNIT_HEIGHT })

        genMultiMaterialMesh(doorCube, material)

        doorCube.setPivotPoint(new Vector3(RACK_WIDTH / 2, 0, 0))
        doorCube.metadata = {
            type: "door",
        }

        bindAnimation: {
            const animationDoor = new Animation("animationDoor", "rotation.y", 30, Animation.ANIMATIONTYPE_FLOAT, Animation.ANIMATIONLOOPMODE_CYCLE)
            const keys = []
            keys.push({
                frame: 0,
                value: 0,
            })
            keys.push({
                frame: 50,
                value: -0.6 * Math.PI,
            })
            keys.push({
                frame: 100,
                value: 0,
            })

            animationDoor.setKeys(keys)
            const easingFunction = new CubicEase()
            easingFunction.setEasingMode(EasingFunction.EASINGMODE_EASEINOUT)
            animationDoor.setEasingFunction(easingFunction)
            doorCube.animations && doorCube.animations.push(animationDoor)
        }
        this.proto = doorCube
        doorCube.position.set(-20000, 0, 0)
    }
    private proto: Mesh
    private id = 1
    create() {
        const inst = this.proto.createInstance("door" + this.id++)
        {
            const actionManager = new ActionManager(this.scene)
            actionManager.registerAction(
                new InterpolateValueAction(
                    ActionManager.OnRightPickTrigger,
                    0,
                    "visibility",
                    1,
                    1000
                )
            )
            inst.actionManager = actionManager
        }
        return inst
    }
}