importmesh Some Question about Loading Assets

[rayfly0225]

Hi All:

I'm a game artist from Taiwan.And study coding 2 months.

I reference the part  "Loading Assets" of the official documentation.Here is my confusion :

Quote

BABYLON.SceneLoader.ImportMesh("", "Assets/dealer/", "group.babylon", scene, function (newMeshes) {

var head = newMeshes[2];

var body= newMeshes[3];

Q1：

I type this code ,but didn't know what does "newMeshes" mean ?

The object which i use  has two part,one is "hair",the other is "body" .

When I type like this" var head = newMeshes[2]; ",the hair is displayed correctly.

Did  it mean that  The numbers in  brackets  are   the  ordinal numbers  of this object?

For example:

one object has two meshes that are "A" and "B",

So could i define the code ：

var A = newMeshes[0];

var B = newMeshes[1];

 

Q2:

I can use the "hair" and "body" because "var head" and "var body"   in the code.

But how could i var the  whole object in code?

I type like this but it doesn't work correctly.

 

Quote

var man = newMeshes;

 

Q3:

When i use the "Loading Scene" exported form 3DsMax 2016  like this:

Quote

BABYLON.SceneLoader.Load("Assets/dealer/", "scene.babylon", engine, function (newScene) {

         scene = newScene;

         scene.activeCamera.attachControl(canvas);

How could i var the objects which is already existed  in this scene in script?

Could i add one directional light with shadow in this scene in script,and how to code?

 

Thanks for your attention.

Sincerely,

Ray

[Dad72]

Q1: newMeshes that contains the data of the file you load. newMeshes[0]  Allows you to get all the mesh with the sub-meshs. newMeshes[1] Is a sub-mesh. 

Q2: If your models are elements separate, use SceneLoader.Load (). But for a character mesh, you should create only a single object and not several.

Q3: To have access to all element of your scene you can do:

newScene.meshes.forEach(function(mesh)
{
	console.log(mesh);				
});

You can add a light, and what you want in SceneLoader.Load

 

[GameMonetize]

Q1. perhaps the best option for you is to search by name like head = newScene.getMeshByName("head")

Q2: In 3dsmax, just add a parent object on top of all other objects and name it like "body". Then you can reach it with var body = newScene.getMeshByName("body"). Other objects will be children of body: body.children is then an array of your meshes

Q3. same here. You can reach any object by name or through a forEach like Dad72 mentioned. Lights with shadows can be added by code or in 3dsmax.

[rayfly0225]

Dad72 and Deltakosh:

Thanks for your support,but it still has some questions i want to ask.

Q1.newMeshes[0]  Allows us to get all the mesh with the sub-meshs. so is it  just like parent  in newMeshes?

Q2.If newMeshes[0] get all the mesh with the sub-meshs,why couldn't i use it in the renderlist of reflection and shadows?

Q3. Does The renderlist need to list all meshes i want to render? Does it can not be replaced by a parent mesh?    

Q4.How could i modify my code  with variables :"girl","hair","body",and it could also has the reflection and shadows(just like pic1,this effect is that I want to show)?

Q5.Where shoud it be inserted to the code ,and where could i see the log print?

newScene.meshes.forEach(function(mesh)
{
	console.log(mesh);				
});

this is my code:

//ImportMesh
         BABYLON.SceneLoader.ImportMesh("", "Assets/dealer/", "group.babylon", scene, function (newMeshes) {
             
            
             var girl = newMeshes[0];
             var hair = newMeshes[2];
             var body= newMeshes[3];
             
             //girl.position.y = -200;

             var mat = new BABYLON.StandardMaterial("mat", scene);
             mat.diffuseTexture = new BABYLON.Texture("Assets/dealer/ssw_v01_c_character_FaceLow_col.png", scene);
             mat.bumpTexture = new BABYLON.Texture("Assets/dealer/ssw_v01_c_character_FaceLow_nor.png", scene);
             mat.specularColor = BABYLON.Color3.Black();
             mat.diffuseTexture.hasAlpha = true;
             mat.backFaceCulling = false;
             hair.material = mat;
             


             var mat2 = new BABYLON.StandardMaterial("mat2", scene);
             mat2.diffuseTexture = new BABYLON.Texture("Assets/dealer/ssw_v01_c_character_bodylow_col.png", scene);
           
             mat2.bumpTexture = new BABYLON.Texture("Assets/dealer/ssw_v01_c_character_bodylow_nor.png", scene);
             mat2.specularColor = BABYLON.Color3.Black();
             mat2.diffuseTexture.hasAlpha = true;
             mat2.backFaceCulling = false;
             body.material = mat2;
             

             // Mirror
             var plane = BABYLON.Mesh.CreatePlane("plan", 7000, scene);
             plane.position.y = -107;
             plane.rotation = new BABYLON.Vector3(Math.PI / 2, 0, 0);

             //Creation of a mirror material
             var mirrorMaterial = new BABYLON.StandardMaterial("Assets/dealer/ssw_v01_c_character_FaceLow_col.png", scene);
             mirrorMaterial.diffuseColor = new BABYLON.Color3(0.2, 0.2, 0.2);
             mirrorMaterial.reflectionTexture = new BABYLON.MirrorTexture("mirror", 2048, scene, true); 
             mirrorMaterial.reflectionTexture.mirrorPlane = new BABYLON.Plane(0, -1.0, 0, -107.0);
             mirrorMaterial.reflectionTexture.renderList = [body, hair, skybox];
             mirrorMaterial.reflectionTexture.level = 0.6;
             plane.material = mirrorMaterial;

            
             
             //shadow
             var shadowGenerator = new BABYLON.ShadowGenerator(2048, light_dir);
             
             shadowGenerator.getShadowMap().renderList.push(body,hair);
             
             shadowGenerator.usePoissonSampling = true;

             
             plane.receiveShadows = true;
         });

Here are some comparisons in my screenshot: 

 

Thanks for your attention.

Sincerely,

Ray

 

Here are some comparisons in my screenshot: 

pic1

 

pic2

 

pic3

 

pic4

[Dad72]

For the shadows you have to add all sub-mesh with a for loop:

for(var i = 0, cache = newMeshes.length; i < cache ; i++)
{
    shadowGenerator.getShadowMap().renderList.push(newMeshes); 
}

To see the results of console.log () click F12 on your keyboard

I think you will better understand what is happening by observing the result in the console of "newMeshes"

 

[GameMonetize]

Actually newMeshes[..] contains meshes and not submeshes.

[GameMonetize]

Q1. newMeshes[0]  Allows you to get all the first mesh

Q2.Because this statement is false. It give you the first mesh only. it could be the parent of others meshes (depending on your scene)

Q3. Yep you have to give all the meshes you want because you may want to cast shadows on some part of your hierarchy but not all

Q4.I won't do your homework  please provide at least a playground so we can work together on it

Q5.Same

[Dad72]

Oops, yes, I thought it was sub-mesh. sorry for the wrong information.

[rayfly0225]

14 hours ago, Deltakosh said:

Q4.I won't do your homework  please provide at least a playground so we can work together on it

I want to share my resources to playground,but i don't know how to upload mine to playground or using it. I'm rookie to code.

After reading the documentation of playground and google it ,I still  didn't find something about how to use with my assets on it.

thanks for your help!!

[GameMonetize]

Look here:

http://www.babylonjs-playground.com/?16

Replace the skull with an url to your assets (like http://....)