双开门playground地址：

Babylon.js Playgroundhttps://playground.babylonjs.com/#5F7R3K

主要思路为使用combineAction绑定了多个模型的鼠标事件，顺便多绑定一个箱子做放大缩小测试

let combineOpenDoorAction  = new BABYLON.CombineAction(BABYLON.ActionManager.OnPickTrigger,[new BABYLON.InterpolateValueAction(BABYLON.ActionManager.OnPickTrigger, _leftDoorMesh, "rotation.y",-Math.PI/2 , 1500),new BABYLON.InterpolateValueAction(BABYLON.ActionManager.OnPickTrigger, _rightDoorMesh, "rotation.y",Math.PI/2 , 1500),new BABYLON.ExecuteCodeAction(BABYLON.ActionManager.OnPickTrigger, function (e) {// alert(e.source.id +"combineOpenDoorAction");_triggerMesh.scaling = new BABYLON.Vector3(1.5,1.5,1.5);_triggerMesh.position.y = 2;})]);

Playground代码如下

var createScene = function () {var scene = new BABYLON.Scene(engine);// Lightsvar light0 = new BABYLON.DirectionalLight("Omni", new BABYLON.Vector3(-2, 2, 2), scene);var light1 = new BABYLON.PointLight("Omni", new BABYLON.Vector3(2, 12, -15), scene);// Need a free camera for collisionsvar camera = new BABYLON.FreeCamera("FreeCamera", new BABYLON.Vector3(0, 2.2, -16), scene);camera.setTarget(new BABYLON.Vector3(0, 0, 0));camera.attachControl(canvas, true);camera.keysUp.push(87);camera.keysDown.push(83);camera.keysLeft.push(65);camera.keysRight.push(68);camera.speed=0.5;camera.inertia =0.8;camera.minZ=0.05;//limitscene.registerBeforeRender(function () {    console.log(camera.rotation.x);if(camera.rotation.x>0.5  ){//look downcamera.rotation.x = 0.5;}else if(camera.rotation.x<-0.3){//look upcamera.rotation.x = -0.3;}})//Simple cratevar box = BABYLON.Mesh.CreateBox("crate", 2, scene);box.material = new BABYLON.StandardMaterial("Mat", scene);box.material.diffuseTexture = new BABYLON.Texture("textures/crate.png", scene);box.material.diffuseTexture.hasAlpha = true;box.position = new BABYLON.Vector3(5, 1, 0);var doorMeshLeft = BABYLON.MeshBuilder.CreateBox("doorMeshLeft", {height: 4, width: 2, depth: 0.25});doorMeshLeft.position = new BABYLON.Vector3(-1, 2, 0);doorMeshLeft.setPivotPoint(new BABYLON.Vector3(-1, 0, 0), BABYLON.Space.LOCAL);// pivot offset x  var doorMeshRight = BABYLON.MeshBuilder.CreateBox("doorMeshRight", {height: 4, width: 2, depth: 0.25});doorMeshRight.position = new BABYLON.Vector3(1, 2, 0);doorMeshRight.setPivotPoint(new BABYLON.Vector3(2, 2, 0), BABYLON.Space.WORLD);// pivot offset x  openDoubleDoorRegAction(doorMeshLeft,doorMeshRight,box);/*** open double doors* */
function openDoubleDoorRegAction(_leftDoorMesh,_rightDoorMesh,_triggerMesh){_leftDoorMesh.rotationQuaternion = null;_rightDoorMesh.rotationQuaternion = null;_leftDoorMesh.checkCollisions = false;_rightDoorMesh.checkCollisions = false;let combineOpenDoorAction  = new BABYLON.CombineAction(BABYLON.ActionManager.OnPickTrigger,[new BABYLON.InterpolateValueAction(BABYLON.ActionManager.OnPickTrigger, _leftDoorMesh, "rotation.y",-Math.PI/2 , 1500),new BABYLON.InterpolateValueAction(BABYLON.ActionManager.OnPickTrigger, _rightDoorMesh, "rotation.y",Math.PI/2 , 1500),new BABYLON.ExecuteCodeAction(BABYLON.ActionManager.OnPickTrigger, function (e) {// alert(e.source.id +"combineOpenDoorAction");_triggerMesh.scaling = new BABYLON.Vector3(1.5,1.5,1.5);_triggerMesh.position.y = 2;})]);let combineCloseDoorAction  = new BABYLON.CombineAction(BABYLON.ActionManager.OnPickTrigger,[new BABYLON.InterpolateValueAction(BABYLON.ActionManager.OnPickTrigger, _leftDoorMesh, "rotation.y",0 , 1500),new BABYLON.InterpolateValueAction(BABYLON.ActionManager.OnPickTrigger, _rightDoorMesh, "rotation.y",0 , 1500),new BABYLON.ExecuteCodeAction(BABYLON.ActionManager.OnPickTrigger, function (e) {// alert(e.source.id +"combineCloseDoorAction");_triggerMesh.scaling = new BABYLON.Vector3(1,1,1);_triggerMesh.position.y = 1;})]);let doorActionManager = new BABYLON.ActionManager(scene);doorActionManager.registerAction(combineOpenDoorAction).then(combineCloseDoorAction);_leftDoorMesh.openDoubleDoorAction = combineOpenDoorAction;_leftDoorMesh.closeDoubleDoorAction = combineCloseDoorAction;_leftDoorMesh.actionManager = doorActionManager;_rightDoorMesh.actionManager = doorActionManager;// return doorActionManager;}// add guide linevar showAxis = function (size) {var makeTextPlane = function (text, color, size) {var dynamicTexture = new BABYLON.DynamicTexture("DynamicTexture", 50, scene, true);dynamicTexture.hasAlpha = true;dynamicTexture.drawText(text, 5, 40, "bold 36px Arial", color, "transparent", true);var plane =  BABYLON.Mesh.CreatePlane("TextPlane", size, scene, true);plane.material = new BABYLON.StandardMaterial("TextPlaneMaterial", scene);plane.material.backFaceCulling = false;plane.material.specularColor = new BABYLON.Color3(0, 0, 0);plane.material.diffuseTexture = dynamicTexture;return plane;};var axisX = BABYLON.Mesh.CreateLines("axisX", [new BABYLON.Vector3(0,0,0), new BABYLON.Vector3(size, 0, 0), new BABYLON.Vector3(size * 0.95, 0.05 * size, 0),new BABYLON.Vector3(size, 0, 0), new BABYLON.Vector3(size * 0.95, -0.05 * size, 0)], scene);axisX.color = new BABYLON.Color3(1, 0, 0);var xChar = makeTextPlane("X", "red", size / 10);xChar.position = new BABYLON.Vector3(0.9 * size, -0.05 * size, 0);var axisY = BABYLON.Mesh.CreateLines("axisY", [new BABYLON.Vector3(0,0,0), new BABYLON.Vector3(0, size, 0), new BABYLON.Vector3(-0.05 * size, size * 0.95, 0),new BABYLON.Vector3(0, size, 0), new BABYLON.Vector3(0.05 * size, size * 0.95, 0)], scene);axisY.color = new BABYLON.Color3(0, 1, 0);var yChar = makeTextPlane("Y", "green", size / 10);yChar.position = new BABYLON.Vector3(0, 0.9 * size, -0.05 * size);var axisZ = BABYLON.Mesh.CreateLines("axisZ", [new BABYLON.Vector3(0,0,0), new BABYLON.Vector3(0, 0, size), new BABYLON.Vector3(0, -0.05 * size, size * 0.95),new BABYLON.Vector3(0, 0, size), new BABYLON.Vector3(0, 0.05 * size, size * 0.95)], scene);axisZ.color = new BABYLON.Color3(0, 0, 1);var zChar = makeTextPlane("Z", "blue", size / 10);zChar.position = new BABYLON.Vector3(0, 0.05 * size, 0.9 * size);};showAxis(10);//Groundvar ground = BABYLON.Mesh.CreatePlane("ground", 80.0, scene);ground.material = new BABYLON.StandardMaterial("groundMat", scene);ground.material.diffuseColor = new BABYLON.Color3(1, 1, 1);ground.material.backFaceCulling = false;ground.position = new BABYLON.Vector3(0, 0, 0);ground.rotation = new BABYLON.Vector3(Math.PI / 2, 0, 0);//Set gravity for the scene (G force like, on Y-axis)scene.gravity = new BABYLON.Vector3(0, -0.9, 0);// Enable Collisionsscene.collisionsEnabled = true;//Then apply collisions and gravity to the active cameracamera.checkCollisions = true;// camera.applyGravity = true;//Set the ellipsoid around the camera (e.g. your player's size)camera.ellipsoid = new BABYLON.Vector3(1, 1.1, 1);// Y*2 is character Height//finally, say which mesh will be collisionableground.checkCollisions = true;box.checkCollisions = true;return scene;
}

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【Babylon小技巧04】进阶双开门事件绑定同时触发

双开门playground地址：

Playground代码如下

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