MeshPaint/index.html at master · modelab/MeshPaint · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <title>Bunny Painting</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
    <style>
    body {
        font-family: Monospace;
        background-color: #000;
        color: #fff;
        margin: 0px;
        overflow: hidden;
        position:absolute;
    }
    #info {
        color: #fff;
        position: absolute;
        top: 10px;
        width: 100%;
        text-align: center;
        z-index: 100;
        display: block;
    }
    #info a,
    .button {
        color: #f00;
        font-weight: bold;
        text-decoration: underline;
        cursor: pointer
    }
    .svgContainer{
    	/*background-color: transparent;*/
    	position: absolute;
    	pointer-events: none;
    }
    </style>
</head>

<body>
    <div id="info">
    </div>

    <script src="files/js/three-js/three.js"></script>
    <script src="files/js/three-js/loaders/OBJLoader.js"></script>
    <script src="files/js/three-js/controls/OrbitControls-mode.js"></script>
    <script src="files/js/three-js/modifiers/BoundingBoxHelper.js"></script>
    <script src="files/js/three-js/exporters/OBJExporter-withColors.js"></script>

    <script src="files/js/mode-js/mode.js"></script>
    <script src="files/js/mode-js/plugins/dat.gui-master/build/dat.gui.min.js"></script>
    <script src="files/js/mode-js/plugins/d3.min.js"></script>
    <script src="files/js/mode-js/plugins/fileSaver/FileSaver.js"></script>

    <script>


    //////datgui

    //declare Date and Time
    var date = new Date();
    var time = date.getTime();

    var allVertexColors=[];
    var cursorBrush;
    var tempSettings={};
    var dashboard;
    var raycaster;
    var mesh;
    var flag = 0;
    var line01Geo, line01Mesh;
    var interface = function() {
        this.basecolor_style = "y";
        this.crawl_on_mesh = false;
        this.main_color = [0, 255, 60];
        this.accent_color = [0, 255, 255];
        this.accent_weight = 1;
        this.blur = 0;
        this.color_index = 0;
        this.animate_blur = false;
        this.paint_on_mesh = true;
        this.brush_size = 50;
        this.softness = 1;
        this.wireframe=false;
        this.export_obj = function() {
            for(var i=0;i<realGeo.vertices.length;i++){
             allVertexColors.push(adjacentVerts[i].color);
            }

            var objExporter = (new THREE.OBJExporter(mesh.geometry));
            var objFile = objExporter.parse(mesh.geometry, allVertexColors);
            var blob = new Blob(["" + objFile + ""], {
                type: "text/plain;charset=utf-8"
            });
            saveAs(blob, "BunnyPaint-" + time + "" + ".obj");
        }
    };

    window.onload = function() {
        dashboard = new interface();
        var gui = new dat.GUI();

        var globalFolder = gui.addFolder('Global');
        globalFolder.open();

        var blurSlider = globalFolder.add(dashboard, 'blur', 0, 25).listen();

        blurSlider.onChange(function(value) {
            adjacentVerts.meshBlur(Math.floor(value));
        });
        var animateBlur = globalFolder.add(dashboard, 'animate_blur');

        var wireframeBox = globalFolder.add(dashboard, 'wireframe');
        wireframeBox.onChange(function (value){
        	mesh.material.wireframe=value;
        	mesh.materialNeedsUpdate=true;
        })


        var export_obj = globalFolder.add(dashboard, 'export_obj')
        var brushFolder = gui.addFolder('Brush Palette');
        brushFolder.open();

          var colorStyle = brushFolder.add(dashboard, 'basecolor_style', ['x', 'y', 'z', 'normalDifference']);
         colorStyle.onChange(function(value) {
             updateColors();
         })


        brushFolder.addColor(dashboard, 'main_color');
        brushFolder.addColor(dashboard, 'accent_color');
        brushFolder.add(dashboard, 'accent_weight', 0.000, 1.000);
        var brush_size = brushFolder.add(dashboard, 'brush_size', 2, 500.000);
        var softness = brushFolder.add(dashboard, 'softness', 0.000, 1.000);


    };

    //////datgui

    var topoGroup;


    var mouse = {
        x: 1,
        y: 1
    };

    var POI;
    var bbox;

    var container;
    var newgeom;
    var camera, scene, renderer;

    var mouseX = 0,
        mouseY = 0;

    var windowHalfX = window.innerWidth / 2;
    var windowHalfY = window.innerHeight / 2;


    init();
    animate();

    function updateColors() {
        var dotList = []
        for (var i = 0; i < realGeo.vertices.length; i++) {
            var dotAvg;

            // console.log(bbox);
            if (dashboard.basecolor_style == "x") {
                var mapTo1 = remap(adjacentVerts[i].point.x, bbox.min.x, bbox.max.x, 0, 1);
                var mapTo1Inv = remap(mapTo1, 0, 1, 1, 0);
                adjacentVerts[i].color = new THREE.Color(mapTo1, mapTo1, mapTo1);
            }
            if (dashboard.basecolor_style == "y") {
                var mapTo1 = remap(adjacentVerts[i].point.y, bbox.min.y, bbox.max.y, 0, 1);
                var mapTo1Inv = remap(mapTo1, 0, 1, 1, 0);
                adjacentVerts[i].color = new THREE.Color(mapTo1, mapTo1, mapTo1);
            }
            if (dashboard.basecolor_style == "z") {
                var mapTo1 = remap(adjacentVerts[i].point.z, bbox.min.z, bbox.max.z, 0, 1);
                var mapTo1Inv = remap(mapTo1, 0, 1, 1, 0);
                adjacentVerts[i].color = new THREE.Color(mapTo1, mapTo1, mapTo1);
            }
//            if (dashboard.color_style == "random") {
//                adjacentVerts[i].color = new THREE.Color(Math.random(), Math.random(), Math.random());
//            }
//            if (dashboard.color_style == "distanceToIndex") {
//                var sampleVec = adjacentVerts[Math.floor(dashboard.color_index)].point;
//                var mapTo1 = remap(adjacentVerts[i].point.distanceTo(sampleVec), 0, 100, 0, 1);
//                var mapTo1Inv = remap(mapTo1, 0, 1, 1, 0);
//                adjacentVerts[i].color = new THREE.Color(mapTo1, mapTo1Inv, mapTo1);
//            }
            if (dashboard.basecolor_style == "normalDifference") {
                var normVec = (adjacentVerts.normalAtIndex(i))
                var dots = 0;

                for (var j = 0; j < adjacentVerts.adjNormalsAtIndex(i).length; j++) {
                    var dotProduct = normVec.normalize().dot(adjacentVerts.adjNormalsAtIndex(i)[j]);
                    dots += (dotProduct);

                }
                dotAvg = dots / adjacentVerts.adjNormalsAtIndex(i).length;
                dotList.push(dotAvg);
            }
        }
        if (dashboard.basecolor_style == "normalDifference") {
            var dotMin = dotList.slice().sort()[0];
            var dotMax = dotList.slice().sort().reverse()[0];
            for (var i = 0; i < realGeo.vertices.length; i++) {
                var mapTo1 = remap(dotList[i], dotMin, dotMax, 0, 1);
                var mapTo1Inv = remap(mapTo1, 0, 1, 1, 0);
                adjacentVerts[i].color = new THREE.Color(mapTo1, mapTo1, mapTo1);
            }
        }
        adjacentVerts.meshBlur(dashboard.blur);
    }

    function init() {

        container = document.createElement('div');
        d3.select(container).style("position","absolute")
        document.body.appendChild(container);

        camera = new THREE.PerspectiveCamera(20, window.innerWidth / window.innerHeight, 1, 2000);
        camera.position.x=160;
        camera.position.y=380;
        camera.position.z=250;
        // camera.lookAt.x=100;
        // (40, 280, 153);
        // camera.look

        raycaster = new THREE.Raycaster();
        // scene

        scene = new THREE.Scene();


        var ambient = new THREE.AmbientLight(0xffffff);
        scene.add(ambient);


        var manager = new THREE.LoadingManager();
        manager.onProgress = function(item, loaded, total) {


        	   var brushContainer = d3.select("body").append("svg").attr("class","svgContainer").attr("width",window.innerWidth).attr("height", window.innerHeight).append("g");
   				cursorBrush = brushContainer.append("circle").attr("cx",0).attr("cy",0).attr("r",20)
   				.style("stroke","white")
   				// .style("fill","white")
   				.style("display","none")
   				.style("stroke-width",2)
   				.style("fill-opacity",.05)
   				;

            // console.log( item, loaded, total );

        };


        var onProgress = function(xhr) {
            if (xhr.lengthComputable) {
                var percentComplete = xhr.loaded / xhr.total * 100;
                // console.log( Math.round(percentComplete, 2) + '% downloaded' );
            }
        };

        var onError = function(xhr) {};


        // model
        // var matz=new THREE.MeshBasicMaterial( { color: 'steelblue', wireframe:false, shading: THREE.SmoothShading, overdraw: false } );
        // var matz2=new THREE.MeshNormalMaterial( { color: 'steelblue', wireframe:false, shading: THREE.SmoothShading, overdraw: false } );
        var matz2 =
            new THREE.MeshPhongMaterial({
                shading: THREE.SmoothShading,
                side: THREE.FrontSide,
                vertexColors: THREE.VertexColors,
                // wireframe:true,
                // color: 0x996633,
                // ambient: 0x996633, // should generally match color
                specular: 0x050505,
                shininess: 100
            });
        var loader = new THREE.OBJLoader(manager);
        loader.load('files/obj/bunny.obj', function(object) {

            object.traverse(function(child) {
                // console.log(object);

                if (child instanceof THREE.Mesh) {
                    realGeo = (new THREE.Geometry().fromBufferGeometry(child.geometry));
                    realGeo.mergeVertices();
                }


            });
            adjacentVerts = new MODE.vertexNeighbors(realGeo);
//            console.log(adjacentVerts);


            // console.log(adjacentVerts);
            realGeo.computeBoundingBox();
            bbox = realGeo.boundingBox;

            // //random Colors
            // for (var i = 0; i < realGeo.vertices.length; i++) {
            //     var mapTo1 = remap(adjacentVerts[i].point.y, bbox.min.y, bbox.max.y, 0, 1);
            //     var mapTo1Inv = remap(mapTo1, 0, 1, 1, 0);
            //     adjacentVerts[i].color = new THREE.Color(mapTo1, mapTo1, mapTo1);
            // }
            updateColors();
            // //random Colors

            //circles by Z


            // for (var i = 0; i < realGeo.vertices.length; i++) {

            // 	if(dashboard.color_style=="x"){
            // 		adjacentVerts[i].color = new THREE.Color(remap(adjacentVerts[i].point.x,bbox.min.x,bbox.max.y,0,1), 0, 0);
            // 	}
            // 	if(dashboard.color_style=="y"){
            // 		adjacentVerts[i].color = new THREE.Color(remap(adjacentVerts[i].point.y,bbox.min.y,bbox.max.y,0,1), 0, 0);
            // 	}
            // 	if(dashboard.color_style=="z"){
            // 		adjacentVerts[i].color = new THREE.Color(remap(adjacentVerts[i].point.z,bbox.min.z,bbox.max.y,0,1), 0, 0);
            // 	}
            //     if(dashboard.color_style=="random"){
            //     adjacentVerts[i].color = new THREE.Color(Math.random(), Math.random(), Math.random());
            // }

            // }
            //random Colors


            // adjacentVerts.setFaceVertexColors();


            // console.log(adjacentVerts);
            // console.log(realGeo);
            mesh = new THREE.Mesh(realGeo, matz2)
                // mesh.position.y = -80;
                // adjacentVerts.meshBlur(0);
            scene.add(mesh);
//            console.log(mesh);
        // MODE.groundReflections(mesh, scene);
        }, onProgress, onError);

        renderer = new THREE.WebGLRenderer();
        renderer.setClearColor(0x000000)
        renderer.setSize(window.innerWidth, window.innerHeight);


        container.appendChild(renderer.domElement);


        controls = new THREE.OrbitControls(camera, renderer.domElement);
        controls.damping = 0.2;
        controls.addEventListener('change', render);


        document.addEventListener('mousemove', onDocumentMouseMove, false);
        document.addEventListener('mousedown', onDocumentMouseDown, false);
        document.addEventListener('mouseup', onDocumentMouseUp, false);
        //

        window.addEventListener('resize', onWindowResize, false);


    }

    function onWindowResize() {

        windowHalfX = window.innerWidth / 2;
        windowHalfY = window.innerHeight / 2;

        camera.aspect = window.innerWidth / window.innerHeight;
        camera.updateProjectionMatrix();

        renderer.setSize(window.innerWidth, window.innerHeight);

    }

    function onDocumentMouseMove(event) {

        // mouseX = (event.clientX - windowHalfX) / 2;
        // mouseY = (event.clientY - windowHalfY) / 2;

        mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
        mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;

    }

    //
    var counter = 0;

    function animate() {
        controls.update();
        requestAnimationFrame(animate);
        render();

        if (dashboard.animate_blur) {
            // console.log(dashboard)
            var maxBlur = 25;
            if (counter < maxBlur * 2) {
                if (counter < maxBlur) {

                    dashboard.blur = counter;
                    adjacentVerts.meshBlur(dashboard.blur);
                } else {

                    dashboard.blur = maxBlur * 2 - counter;
                    adjacentVerts.meshBlur(dashboard.blur);
                }
                counter++;
            } else {
                counter = 0;
            }
        }


    }

    function render() {
         date = new Date();
        time = date.getTime();

        //camera.position.x += ( mouseX - camera.position.x ) * .05;
        //camera.position.y += ( - mouseY - camera.position.y ) * .05;

        // camera.lookAt( scene.position );

        renderer.render(scene, camera);
        projectToMesh();
    }

    function onDocumentMouseUp(event) {
        flag = 0;
    }

    function onDocumentMouseDown(event) {
        if (event.which == 2) {
            flag = 1;
        }
        // console.log(mesh.geometry);
        // console.log(camera.position);
        // console.log(camera.lookAt);
        // event.preventDefault();


    }

    function displayTopology(){

    	if(topoGroup!=undefined){
    		scene.remove(topoGroup);
    		for(r=0;r<topoGroup.children;r++){
    			topoGroup.children[r].geometry.dispose();
    			topoGroup.children[r].material.dispose();
    		}

    	}

		// geometry.dispose();
		// material.dispose();

    	var distObj={}
    	var distList = [];

            for (var i = 0; i < realGeo.vertices.length; i++) {
                distList.push(POI.distanceTo(adjacentVerts[i].point));
                distObj[""+POI.distanceTo(adjacentVerts[i].point)+""]=i;
            }
        var sortObj=Object.keys(distObj).slice().sort();
        var CP=(distObj[sortObj[0]]);
        var invColor=new THREE.Color(1-adjacentVerts[CP].color.r,1-adjacentVerts[CP].color.g,1-adjacentVerts[CP].color.b)

    	topoGroup = new THREE.Object3D();

    	line01Geo=new THREE.Geometry();
       	var materialLine = new THREE.LineDashedMaterial({
		color: invColor,
		ambient:invColor,
		fog:true
		});
       	line01Mesh = new THREE.Line(line01Geo,materialLine);
       	// topoGroup.add(line01Mesh);

       	cpSphereGeo = new THREE.SphereGeometry(.3, 32, 32);
        var cpSphereMat = new THREE.MeshPhongMaterial({
                        side: THREE.DoubleSide,
                        color: invColor,
                        ambient: invColor
                        // ambient: 0x000000, // should generally match color
                        // specular: 0x050505,
                        // shininess: 100
                    })
        cpSphereMesh = new THREE.Mesh(cpSphereGeo, cpSphereMat);

        topoGroup.add(cpSphereMesh);


        var adjSphereMat = new THREE.MeshPhongMaterial({
                        side: THREE.DoubleSide,
                        color: invColor,
                        ambient: invColor
                    })

        for(var w=0;w<adjacentVerts[CP].adjPoints.length;w++){
        	var newSphere=cpSphereGeo.clone();
        	var adjSphereMesh = new THREE.Mesh(new THREE.SphereGeometry(.2, 32, 32) , adjSphereMat);
        	var neighbor=adjacentVerts[CP].adjIndices[w];
        	var pt=adjacentVerts.geometry.vertices[neighbor];
        	adjSphereMesh.position.set(pt.x,pt.y,pt.z)
        	adjSphereMesh.geometry.verticesNeedUpdate=true;
        	topoGroup.add(adjSphereMesh);

        	var newLine=line01Geo.clone();
        	var adjLines=new THREE.Line(newLine,materialLine);
        	newLine.vertices=[adjacentVerts[CP].point,pt];
        	newLine.verticesNeedUpdate=true;
        	// console.log(newLine);
        	topoGroup.add(adjLines);

        	var normLine=new THREE.Geometry();
        	var normLines=new THREE.Line(normLine,materialLine);
        	normLine.vertices=[adjacentVerts[CP].point,pt];
        	var ptNorm=pt.clone();
        	var ptAdd=ptNorm.clone().add(adjacentVerts[neighbor].normal.clone().multiplyScalar(1));
        	normLine.vertices=[ptNorm,ptAdd];
        	normLine.verticesNeedUpdate=true;
        	// topoGroup.add(normLines);
        }


        scene.add(topoGroup)

       cpSphereMesh.position.set(adjacentVerts[CP].point.x,adjacentVerts[CP].point.y,adjacentVerts[CP].point.z)
       // line01Geo.vertices=[POI,adjacentVerts[CP].point];


    }

    function paintOnMesh() {

        if (dashboard.paint_on_mesh && flag == 1) {
            var distList = [];

            for (var i = 0; i < realGeo.vertices.length; i++) {
                distList.push(POI.distanceTo(adjacentVerts[i].point));
            }
            // console.log("")
            var maxDist = (Math.max.apply(Math, distList));
            var minDist = (Math.min.apply(Math, distList));
            // console.log(maxDist,minDist);
            var brush_size = dashboard.brush_size/500;
            var softness = dashboard.softness;

            for (var i = 0; i < realGeo.vertices.length; i++) {
                var mapTo1 = remap(distList[i], minDist, maxDist, 0, 1);
                var mapTobrush_size = remap(mapTo1, 0, brush_size, 0, dashboard.accent_weight);
                var mapToSoftness = remap(mapTo1, 0, brush_size, 0, softness);
                var mapTo1Inv = remap(mapTo1, 0, 1, 1, 0);
                var mapToFallofInv = remap(mapTobrush_size, 0, 1, 1, 0);

                if (mapTo1 < brush_size) {
                    tempColorA = new THREE.Color(dashboard.main_color[0] / 255, dashboard.main_color[1] / 255, dashboard.main_color[2] / 255);
                    tempColorB = new THREE.Color(dashboard.accent_color[0] / 255, dashboard.accent_color[1] / 255, dashboard.accent_color[2] / 255);
                    tempColor = tempColorA.lerp(tempColorB, mapTobrush_size)
                    adjacentVerts[i].color = tempColor.lerp(adjacentVerts[i].color, mapToSoftness);
                }
            }
            adjacentVerts.meshBlur(dashboard.blur);
        }
    }

    function projectToMesh() {
        if (mesh != undefined) {
            var vector = new THREE.Vector3();

            // vector.set((event.clientX / window.innerWidth) * 2 - 1, -(event.clientY / window.innerHeight) * 2 + 1, 0.5);

            if (mouse.x != undefined && mouse.y != undefined) {
                vector.set(mouse.x, mouse.y, 0.5).unproject(camera);

                raycaster.ray.set(camera.position, vector.sub(camera.position).normalize());

                intersects = raycaster.intersectObject(mesh);
                if (intersects.length > 0) {
                	cursorBrush
                		.attr("cx",remap(mouse.x,-1,1,0,window.innerWidth))
                		.attr("cy",remap(mouse.y,1,-1,0,window.innerHeight))
                		.attr("r",dashboard.brush_size)
                		.style("display","inline")
                		;
                		d3.select("body").style("cursor","none");


                    POI = (intersects[0].point);

                    paintOnMesh();
                    if(dashboard.crawl_on_mesh){
                    	d3.select("body").style("cursor","none");
                    displayTopology();
                }

                }
                else{
                	cursorBrush.style("display","none");
                	d3.select("body").style("cursor","default");
                }
            }
        }
    }
    </script>


</body>

</html>