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hi again :D ( i don't know but i feel someone hate me when i reply )

http://www.babylonjs-playground.com/#D6IPT#3

that take a 2 min time for calculate (i can fix that 'maybe')

and i find something new in babylon JS :) about create line you can make split Path in MeshLine when you set { x:NaN , y:0,z:0 } that is wonderful for make Optimized Wireframe 

@ozRocker  i think that can make 90% solution

 

static GetQuadPoints(geo: Geometry) : any {
            var quad = [];
            for (var i = 0; i < geo.faces.length; i += 3) {

                quad.push({ a: geo.vertices[geo.faces[i]], b: geo.vertices[geo.faces[i + 1]], c: geo.vertices[geo.faces[i+2]]  });
            }
            function len(p1, p2) {
                return Math.sqrt(Math.pow(p1.x - p2.x, 2.) + Math.pow(p1.y - p2.y, 2.) + Math.pow(p1.z - p2.z, 2.));
            }
            function eq(p1, p2) {
                return  len(p1,p2) < 0.00001;
            }
            function getQuad(r, ind) {
                var res = [];
                for (var qa in quad) {
   
                    var q = quad[qa];
                    var p1, p2, p3, p4;
                    var findMatch = true;
                    if (qa == ind) { findMatch = false; continue; }
                    if (eq(q.a, r.a) && eq(q.b, r.b)) { p1 = q.a; p2 = q.b; p3 = q.c; p4 = r.c; }
                    else if (eq(q.a, r.a) && eq(q.b, r.c)) { p1 = q.a; p2 = q.b; p3 = q.c; p4 = r.b; }

                    else if (eq(q.a, r.b) && eq(q.b, r.a)) { p1 = q.a; p2 = q.b; p3 = q.c; p4 = r.c; }
                    else if (eq(q.a, r.b) && eq(q.b, r.c)) { p1 = q.a; p2 = q.b; p3 = q.c; p4 = r.a; }

                    else if (eq(q.a, r.c) && eq(q.b, r.a)) { p1 = q.a; p2 = q.b; p3 = q.c; p4 = r.b; }
                    else if (eq(q.a, r.c) && eq(q.b, r.b)) { p1 = q.a; p2 = q.b; p3 = q.c; p4 = r.a; } 

                    else if (eq(q.b, r.a) && eq(q.c, r.b)) { p1 = q.b; p2 = q.c; p3 = q.a; p4 = r.c; }
                    else if (eq(q.b, r.a) && eq(q.c, r.c)) { p1 = q.b; p2 = q.c; p3 = q.a; p4 = r.b; }

                    else if (eq(q.b, r.b) && eq(q.c, r.a)) { p1 = q.b; p2 = q.c; p3 = q.a; p4 = r.c; }
                    else if (eq(q.b, r.b) && eq(q.c, r.c)) { p1 = q.b; p2 = q.c; p3 = q.a; p4 = r.a; }

                    else if (eq(q.b, r.c) && eq(q.c, r.a)) { p1 = q.b; p2 = q.c; p3 = q.a; p4 = r.b; }
                    else if (eq(q.b, r.c) && eq(q.c, r.b)) { p1 = q.b; p2 = q.c; p3 = q.a; p4 = r.a; }

                    else if (eq(q.c, r.a) && eq(q.a, r.b)) { p1 = q.c; p2 = q.a; p3 = q.b; p4 = r.c; }
                    else if (eq(q.c, r.a) && eq(q.a, r.c)) { p1 = q.c; p2 = q.a; p3 = q.b; p4 = r.b; }

                    else if (eq(q.c, r.b) && eq(q.a, r.a)) { p1 = q.c; p2 = q.a; p3 = q.b; p4 = r.c; }
                    else if (eq(q.c, r.b) && eq(q.a, r.c)) { p1 = q.c; p2 = q.a; p3 = q.b; p4 = r.a; }

                    else if (eq(q.c, r.c) && eq(q.a, r.a)) { p1 = q.c; p2 = q.a; p3 = q.b; p4 = r.b; }
                    else if (eq(q.c, r.c) && eq(q.a, r.b)) { p1 = q.c; p2 = q.a; p3 = q.b; p4 = r.a; }

                    else { findMatch = false; continue; }
                    // quad Condition
                    if (findMatch) {
                        
                        if (len(p1, p2) >= Math.max(len(p1, p2), Math.max(len(p1, p3), Math.max(len(p2, p3), Math.max(len(p1, p4), len(p2, p4)))))) {
                            res.push([p1, p3, p2, p4, p1]);
                        } 
                    }
                }
                return res;
            } 
            var result = [];
            for (var g1 in quad) {
                var q = quad[g1];
               var rs = getQuad(q, g1);
               if (rs != null)
                   result.push(rs);
            } 
            return result;
        }
        

 

 

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8 minutes ago, NasimiAsl said:

that is not shaderBuilder  i just find quad from geometry data with condition you can see the source 

ah ok, I see what you're doing.  That's pretty neat.  Its not completely accurate result though.

I wonder how Sketchfab makes such an accurate wireframe, and so quick to load.

https://sketchfab.com/models/818277492a3346728958d7de33b9f9b1

cat_wireframe.jpg

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8 minutes ago, Nabroski said:

@ozRocker

i crushed the texture to much (72kB).  as long NasimiAsl writing a shader

u can do in better!

http://babylonjs-playground.com/#1LMACK#1

That's pretty cool!  (I got rid of the seams here http://babylonjs-playground.com/#1LMACK#2 )

I thought about doing this technique if its not possible to render a wireframe using babylon.js in realtime.  I like how the wireframe is on top of the diffuse texture so you can see exactly what's happening.  So much better than having a wireframe which shows front and back at the same time.  I'm testing it out on iPhone but so far nothing is showing up :/

 

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@ozRocker

saidly that the uv layout exporter from blender has only 1px line thickness. A possible workaround would be to apply a blur filter to smooth the lines out a bit. as i said their are some optimizations are possible from side of the texturing. I exported from Photoshop save for Web with 2 Colors Alpha and Blue. so 1024x1024*1bits per pixel. but if you export as PNG8 1024x1024X8bits (256Colors) its at least 1MB big that are allocated by your GPU not 72kB download time. So iphone has a strong limitation to texture size. IDK just saying. 

 

 

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4 hours ago, adam said:

@ozRocker

Did you by any chance use the Sketchfab exporter that is built into Blender when uploading the model to Sketchfab?

https://sketchfab.com/exporters/blender

I just uploaded the .OBJ.  I didn't know there was a Sketchfab exporter until you mentioned it.  I checked and I can see its there, just needs to be enabled in User Preferences

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