view webGL/dandy/resources/makePanel.js~ @ 25:e8c591a01a8e

update makePanel
author NOBUYASU Oshiro
date Fri, 05 Nov 2010 08:40:26 +0900
parents 61febc94fa62
children
line wrap: on
line source

function parsePanel( url ) {
    var http = new JKL.ParseXML( url );
    var data = http.parse()["OBJECT-3D"];
    var xmlObj = new Object();

    if (data["surface"][0]) {
		for (var i in data["surface"]) {
			var obj = xmlObj[data["surface"][i]["name"]] = new Object();
			obj.vertex = splitVector(data["surface"][i]["coordinate"]);
			obj.normal = splitVector(data["surface"][i]["normal"]);
			obj.texCoords = splitVector(data["surface"][i]["texture"]);
			obj.model = splitVector(data["surface"][i]["model"]);
			var xmlObjImage = data["surface"][i]["image"];
			obj.image = 'data:image/png;base64,'+xmlObjImage["#text"];
		}
    } else {
    	var obj = xmlObj[data["surface"]["name"]] = new Object();
	obj.vertex =  splitVector(data["surface"]["coordinate"]);
	obj.normal =  splitVector(data["surface"]["normal"]);
	obj.texCoords = splitVector(data["surface"]["texture"]);
	obj.model = splitVector(data["surface"]["model"]);
	var xmlObjImage = data["surface"]["image"];
	obj.image = 'data:image/png;base64,'+xmlObjImage["#text"];
    }

    return xmlObj;
}

function splitVector(str) {
    //    return str.replace(/^\s+/g, "").replace(/\s+/g, " ").split(" ");
    return str.replace(/^\s+/g, "").replace(/\s+/g, " ").replace(/\s$/g, "").split(" ");
}

function makeXmlObj(ctx, xmlObj)
{

    var model = new Object();
    model.x = parseFloat(xmlObj.model[0]);
    model.y = parseFloat(xmlObj.model[1]);
    model.z = parseFloat(xmlObj.model[2]);
  
    var geometryData = [ ];
    var normalData   = [ ];
    var texCoordData = [ ];
    var indexData    = [ ];
    var index = 0;
    var xmax = 0;
    var xmin = 0;
    var ymax = 0;
    var ymin = 0;    
   
    
    for(var i=0; xmlObj.vertex[i]; i+=3){
		geometryData.push(parseFloat(xmlObj.vertex[i]) - model.x);
		geometryData.push(parseFloat(xmlObj.vertex[i+1]) - model.y);
		geometryData.push(parseFloat(xmlObj.vertex[i+2]) - model.z);
		if ( (i % 3) == 0) {
			indexData.push(index);
			index++;
		}
		//オブジェクトの最大・最小のx,y座標を求める
		if ( i == 0) {
		    xmax = geometryData[0];
		    xmin = geometryData[0];
		    ymax = geometryData[1];
		    ymin = geometryData[1];
		}
		if ( i > 0 ){
		    xmax = Math.max( xmax, geometryData[i]);
		    xmin = Math.min( xmin, geometryData[i]);
		    ymax = Math.max( ymax, geometryData[i+1]);
		    ymin = Math.min( ymin, geometryData[i+1]);
		}
    }
    for(i=0; xmlObj.texCoords[i]; i++){
		texCoordData.push(parseFloat(xmlObj.texCoords[i]));

    }
    for(i=0; xmlObj.normal[i]; i+=3){
		normalData.push(parseFloat(xmlObj.normal[i]) - model.x);
		normalData.push(parseFloat(xmlObj.normal[i+1]) - model.y);
		normalData.push(parseFloat(xmlObj.normal[i+2]) - model.z);
    }

    var retval = { };
    //オブジェクトの横幅,縦幅を求める
    retval.w = xmax - xmin;
    retval.h = ymax - ymin;

    retval.normalObject = ctx.createBuffer();
    ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.normalObject);
    ctx.bufferData(ctx.ARRAY_BUFFER, new Float32Array(normalData), ctx.STATIC_DRAW);
	
    retval.texCoordObject = ctx.createBuffer();
    ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.texCoordObject);
    ctx.bufferData(ctx.ARRAY_BUFFER, new Float32Array(texCoordData), ctx.STATIC_DRAW);
	
    retval.vertexObject = ctx.createBuffer();
    ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.vertexObject);
    ctx.bufferData(ctx.ARRAY_BUFFER, new Float32Array(geometryData), ctx.STATIC_DRAW);
    
    retval.numIndices = indexData.length;
    retval.indexObject = ctx.createBuffer();
    ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, retval.indexObject);
    ctx.bufferData(ctx.ELEMENT_ARRAY_BUFFER, new Uint16Array(indexData), ctx.STREAM_DRAW);
	
    return retval;
}

function makeOrthoPara(left, right, bottom, top)
{
    this.left = left;
    this.right = right;
    this.bottom = bottom;
    this.top = top;
    return this;
}