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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
///////////////////////////////////////////////////////////////////////
// Class GLGeomObj
// Super class for all geometry classes
///////////////////////////////////////////////////////////////////////
function GLGeomObj()
{
///////////////////////////////////////////////////////////////////////
// Constants
///////////////////////////////////////////////////////////////////////
this.GEOM_TYPE_RECTANGLE = 1;
this.GEOM_TYPE_CIRCLE = 2;
this.GEOM_TYPE_LINE = 3;
this.GEOM_TYPE_PATH = 4;
this.GEOM_TYPE_CUBIC_BEZIER = 5;
this.GEOM_TYPE_UNDEFINED = -1;
// Needed for calculating dashed/dotted strokes
this.DASH_LENGTH = 0.15;
this.DOT_LENGTH = 0.05;
this.GAP_LENGTH = 0.05;
///////////////////////////////////////////////////////////////////////
// Instance variables
///////////////////////////////////////////////////////////////////////
this._matrix = Matrix.I(4);
this._next = undefined;
this._prev = undefined;
this._child = undefined;
this._parent = undefined;
this.m_world = null;
// stroke and fill materials
this._fillMaterial;
this._strokeMaterial;
// array of primitives - used in RDGE
this._primArray = [];
this._materialNodeArray = [];
this._materialArray = [];
this._materialTypeArray = [];
// the transform node used by RDGE
this._trNode = null;
///////////////////////////////////////////////////////////////////////
// Property accessors
///////////////////////////////////////////////////////////////////////
this.setWorld = function( world ) { this.m_world = world; }
this.getWorld = function() { return this.m_world; }
this.getMatrix = function() { return this._matrix.slice(0); }
this.setMatrix = function(m) { this._matrix = m.slice(0); }
this.setNext = function( next ) { this._next = next; }
this.getNext = function() { return this._next; }
this.setPrev = function( prev ) { this._prev = prev; }
this.getPrev = function() { return this._prev; }
this.setChild = function( child ) { this._child = child; }
this.getChild = function() { return this._child; }
this.setParent = function( parent ) { this._parent = parent; }
this.getParent = function() { return this._parent; }
this.geomType = function() { return this.GEOM_TYPE_UNDEFINED; }
this.getPrimitiveArray = function() { return this._primArray; }
this.getMaterialNodeArray = function() { return this._materialNodeArray; }
this.getMaterialArray = function() { return this._materialArray; }
this.getTransformNode = function() { return this._trNode; }
this.setTransformNode = function(t) { this._trNode = t; }
///////////////////////////////////////////////////////////////////////
// Methods
///////////////////////////////////////////////////////////////////////
this.setMaterialColor = function(c, type)
{
if (type == "fill")
this._fillColor = c.slice(0);
else
this._strokeColor = c.slice(0);
if (this._materialArray && this._materialTypeArray)
{
var nMats = this._materialArray.length;
if (nMats === this._materialTypeArray.length)
{
for (var i=0; i<nMats; i++)
{
if (this._materialTypeArray[i] == type)
this._materialArray[i].setProperty( "color", c.slice(0) );
}
}
}
}
this.setFillColor = function(c) { this.setMaterialColor(c, "fill"); }
this.setStrokeColor = function(c) { this.setMaterialColor(c, "stroke"); }
this.translate = function(v)
{
var mat = Matrix.Translation( v );
//var mat2 = mat.multiply( this._matrix );
//this._matrix = mat2;
glmat4.multiply(mat, this._matrix, this._matrix);
}
this.transform = function( mat )
{
if (mat)
{
//this._matrix = mat.multiply( this._matrix );
glmat4.multiply(mat, this._matrix, this._matrix);
}
}
this.setMatrix = function(mat)
{
var gl = this.getWorld().getGLContext();
if (gl)
{
gl.uniformMatrix4fv(this.getWorld().getShaderProgram().mvMatrixUniform, false, new Float32Array(mat));
}
}
this.buildBuffers = function()
{
// this function must be overridden by the base class
alert( "GLGeomObj.buildBuffers must be overridden by base class" );
}
this.render = function()
{
alert( "GLGeomObj.render method must be overridden by sub class" );
}
this.collidesWithPoint = function( x, y )
{
alert( "GLGeomObj.collidesWithPoint method must be overridden by sub class" );
}
this.getNearPoint = function( pt, dir )
{
// the alert is not displayed. Objects may choose not to implement this method.
//alert( "GLGeomObj.getNearPoint method must be overridden by sub class" );
}
this.getNearVertex = function( pt, dir )
{
// this should be overridden by objects (such as rectangles) that have corners
}
this.containsPoint = function( pt, dir )
{
// the alert is not displayed. Objects may choose not to implement this method.
//alert( "GLGeomObj.containsPoint method must be overridden by sub class" );
}
this.getPropertyFromString = function( prop, str )
{
var index = str.indexOf( prop );
if (index < 0) throw new Error( "property " + prop + " not found in string: " + str);
var rtnStr = str.substr( index+prop.length );
index = rtnStr.indexOf( "\n" );
if (index >= 0)
rtnStr = rtnStr.substr(0, index);
return rtnStr;
}
this.export = function()
{
var rtnStr;
/*
var matNodeArr = this.getMaterialNodeArray();
if (matNodeArr)
{
var nMats = matNodeArr.length;
if (nMats > 0)
{
for (var i=0; i<nMats; i++)
{
var trNode = this.getWorld().findTransformNodeByMaterial( matNodeArr[i] );
if (trNode)
{
var meshNode = trNode.transformNode.meshes[i];
if (meshNode)
{
var matNode = trNode.transformNode.materialNode;
if (matNode)
{
if (!rtnStr)
rtnStr = "type: " + this.geomType() + "\n";
var jsonMeshText = JSON.stringify( meshNode );
rtnStr += "mesh: " + jsonMeshText + "endMesh\n";
//var jsonMatDef = JSON.parse( matNode.shaderProgram.exportShader() );
var jsonMatText = matNode.shaderProgram.exportShader();
rtnStr += "material: " + jsonMatText + "endMat\n";
}
}
}
}
}
}
*/
return rtnStr;
}
}
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