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-rwxr-xr-xjs/lib/drawing/world.js187
-rwxr-xr-xjs/lib/nj-base.js13
2 files changed, 93 insertions, 107 deletions
diff --git a/js/lib/drawing/world.js b/js/lib/drawing/world.js
index ae8c2cce..657c849f 100755
--- a/js/lib/drawing/world.js
+++ b/js/lib/drawing/world.js
@@ -33,7 +33,7 @@ var World = function GLWorld( canvas, use3D, preserveDrawingBuffer ) {
33 if(preserveDrawingBuffer) { 33 if(preserveDrawingBuffer) {
34 this._glContext = canvas.getContext("experimental-webgl", {preserveDrawingBuffer: true}); 34 this._glContext = canvas.getContext("experimental-webgl", {preserveDrawingBuffer: true});
35 } else { 35 } else {
36 this._glContext = canvas.getContext("experimental-webgl"); 36 this._glContext = canvas.getContext("experimental-webgl");
37 } 37 }
38 } else { 38 } else {
39 this._2DContext = canvas.getContext( "2d" ); 39 this._2DContext = canvas.getContext( "2d" );
@@ -364,7 +364,7 @@ var World = function GLWorld( canvas, use3D, preserveDrawingBuffer ) {
364 // in the case of a procedurally built scene an init state is not needed for loading data 364 // in the case of a procedurally built scene an init state is not needed for loading data
365 if (this._useWebGL) { 365 if (this._useWebGL) {
366 rdgeStarted = true; 366 rdgeStarted = true;
367 this._canvas.rdgeid = this._canvas.getAttribute( "data-RDGE-id" ); 367 this._canvas.rdgeid = this._canvas.getAttribute( "data-RDGE-id" );
368 RDGE.globals.engine.unregisterCanvas( this._canvas ); 368 RDGE.globals.engine.unregisterCanvas( this._canvas );
369 RDGE.globals.engine.registerCanvas(this._canvas, this); 369 RDGE.globals.engine.registerCanvas(this._canvas, this);
370 RDGE.RDGEStart( this._canvas ); 370 RDGE.RDGEStart( this._canvas );
@@ -435,36 +435,36 @@ World.prototype.updateObject = function (obj) {
435 } 435 }
436}; 436};
437 437
438World.prototype.addObject = function (obj) { 438World.prototype.addObject = function( obj ) {
439 if (!obj) return; 439 if (!obj) return;
440 440
441 try { 441 try {
442 // undefine all the links of the object 442 // undefine all the links of the object
443 obj.setChild(undefined); 443 obj.setChild( undefined );
444 obj.setNext(undefined); 444 obj.setNext( undefined );
445 obj.setPrev(undefined); 445 obj.setPrev( undefined );
446 obj.setParent(undefined); 446 obj.setParent( undefined );
447 447
448 obj.setWorld(this); 448 obj.setWorld( this );
449 449
450 if (this._geomRoot == null) { 450 if (this._geomRoot == null) {
451 this._geomRoot = obj; 451 this._geomRoot = obj;
452 } else { 452 } else {
453 var go = this._geomRoot; 453 var go = this._geomRoot;
454 while (go.getNext()) go = go.getNext(); 454 while (go.getNext()) go = go.getNext();
455 go.setNext(obj); 455 go.setNext( obj );
456 obj.setPrev(go); 456 obj.setPrev( go );
457 } 457 }
458 458
459 // build the WebGL buffers 459 // build the WebGL buffers
460 if (this._useWebGL) { 460 if (this._useWebGL) {
461 obj.buildBuffers(); 461 obj.buildBuffers();
462 this.restartRenderLoop(); 462 this.restartRenderLoop();
463 } 463 }
464 } 464 }
465 465
466 catch (e) { 466 catch(e) {
467 alert("Exception in GLWorld.addObject " + e); 467 alert( "Exception in GLWorld.addObject " + e );
468 } 468 }
469}; 469};
470 470
@@ -527,7 +527,7 @@ World.prototype.clearTree = function() {
527 if (this._useWebGL) { 527 if (this._useWebGL) {
528 var root = this._rootNode; 528 var root = this._rootNode;
529 root.children = new Array(); 529 root.children = new Array();
530 RDGE.globals.engine.unregisterCanvas( this._canvas.rdgeid ) 530 RDGE.globals.engine.unregisterCanvas( this._canvas.rdgeid );
531 531
532 this.update( 0 ); 532 this.update( 0 );
533 this.draw(); 533 this.draw();
@@ -540,9 +540,10 @@ World.prototype.updateMaterials = function( obj, time ) {
540 var matArray = obj.getMaterialArray(); 540 var matArray = obj.getMaterialArray();
541 if (matArray) { 541 if (matArray) {
542 var n = matArray.length; 542 var n = matArray.length;
543 for (var i=0; i<n; i++) 543 for (var i=0; i<n; i++) {
544 matArray[i].update( time ); 544 matArray[i].update( time );
545 } 545 }
546 }
546 547
547 this.updateMaterials( obj.getNext(), time ); 548 this.updateMaterials( obj.getNext(), time );
548 this.updateMaterials( obj.getChild(), time ); 549 this.updateMaterials( obj.getChild(), time );
@@ -553,9 +554,8 @@ World.prototype.getNDCOrigin = function() {
553 var pt = MathUtils.transformPoint( [0,0,0], this.getCameraMatInverse() ); 554 var pt = MathUtils.transformPoint( [0,0,0], this.getCameraMatInverse() );
554 var projMat = Matrix.makePerspective( this.getFOV(), this.getAspect(), this.getZNear(), this.getZFar()); 555 var projMat = Matrix.makePerspective( this.getFOV(), this.getAspect(), this.getZNear(), this.getZFar());
555 var ndcPt = MathUtils.transformHomogeneousPoint( pt, projMat ); 556 var ndcPt = MathUtils.transformHomogeneousPoint( pt, projMat );
556 var ndcOrigin = MathUtils.applyHomogeneousCoordinate( ndcPt );
557 557
558 return ndcOrigin; 558 return MathUtils.applyHomogeneousCoordinate( ndcPt );
559}; 559};
560 560
561World.prototype.worldToScreen = function(v) { 561World.prototype.worldToScreen = function(v) {
@@ -570,9 +570,8 @@ World.prototype.worldToScreen = function(v) {
570 var x = v2[0], y = v2[1], z = v2[2]; 570 var x = v2[0], y = v2[1], z = v2[2];
571 571
572 var h = this.getGLContext().viewportHeight/2.0, w = this.getGLContext().viewportWidth/2.0; 572 var h = this.getGLContext().viewportHeight/2.0, w = this.getGLContext().viewportWidth/2.0;
573 var x2 = w*(1 + x), y2 = h*( 1 - y ), z2 = z; 573 var x2 = w * (1 + x), y2 = h * ( 1 - y );
574 574 return [x2, y2, z, 1];
575 return [x2, y2, z2, 1];
576}; 575};
577 576
578World.prototype.screenToView = function( x, y ) { 577World.prototype.screenToView = function( x, y ) {
@@ -735,74 +734,74 @@ World.prototype.getShapeFromPoint = function( offsetX, offsetY ) {
735 734
736 735
737World.prototype.exportJSON = function () { 736World.prototype.exportJSON = function () {
738 // world properties 737 // world properties
739 var worldObj = 738 var worldObj =
740 { 739 {
741 'version': 1.1, 740 'version' : 1.1,
742 'id': this.getCanvas().getAttribute("data-RDGE-id"), 741 'id' : this.getCanvas().getAttribute( "data-RDGE-id" ),
743 'fov': this._fov, 742 'fov' : this._fov,
744 'zNear': this._zNear, 743 'zNear' : this._zNear,
745 'zFar': this._zFar, 744 'zFar' : this._zFar,
746 'viewDist': this._viewDist, 745 'viewDist' : this._viewDist,
747 'webGL': this._useWebGL 746 'webGL' : this._useWebGL
748 }; 747 };
749 748
750 // RDGE scenegraph 749 // RDGE scenegraph
751 if (this._useWebGL) 750 if (this._useWebGL)
752 worldObj.scenedata = this.myScene.exportJSON(); 751 worldObj.scenedata = this.myScene.exportJSON();
753 752
754 // object data 753 // object data
755 var strArray = []; 754 var strArray = [];
756 this.exportObjectsJSON(this._geomRoot, worldObj); 755 this.exportObjectsJSON( this._geomRoot, worldObj );
757 756
758 // You would think that the RDGE export function 757 // You would think that the RDGE export function
759 // would not be destructive of the data. You would be wrong... 758 // would not be destructive of the data. You would be wrong...
760 // We need to rebuild everything 759 // We need to rebuild everything
761 if (this._useWebGL) { 760 if (this._useWebGL) {
762 if (worldObj.children && (worldObj.children.length === 1)) { 761 if (worldObj.children && (worldObj.children.length === 1)) {
763 this.rebuildTree(this._geomRoot); 762 this.rebuildTree(this._geomRoot);
764 this.restartRenderLoop(); 763 this.restartRenderLoop();
765 } 764 }
766 } 765 }
767
768 // convert the object to a string
769 var jStr = JSON.stringify(worldObj);
770 766
771 // prepend some version information to the string. 767 // convert the object to a string
772 // this string is also used to differentiate between JSON 768 var jStr = JSON.stringify( worldObj );
773 // and pre-JSON versions of fileIO.
774 // the ending ';' in the version string is necessary
775 jStr = "v1.0;" + jStr;
776 769
777 return jStr; 770 // prepend some version information to the string.
771 // this string is also used to differentiate between JSON
772 // and pre-JSON versions of fileIO.
773 // the ending ';' in the version string is necessary
774 jStr = "v1.0;" + jStr;
775
776 return jStr;
778}; 777};
779 778
780World.prototype.rebuildTree = function (obj) { 779World.prototype.rebuildTree = function (obj) {
781 if (!obj) return; 780 if (!obj) return;
782 781
783 obj.buildBuffers(); 782 obj.buildBuffers();
784 783
785 if (obj.getChild()) { 784 if (obj.getChild()) {
786 this.rebuildTree(obj.getChild()); 785 this.rebuildTree( obj.getChild () );
787 } 786 }
788 787
789 if (obj.getNext()) 788 if (obj.getNext())
790 this.rebuildTree(obj.getNext()); 789 this.rebuildTree( obj.getNext() );
791}; 790};
792 791
793World.prototype.exportObjectsJSON = function (obj, parentObj) { 792World.prototype.exportObjectsJSON = function (obj, parentObj) {
794 if (!obj) return; 793 if (!obj) return;
795 794
796 var jObj = obj.exportJSON(); 795 var jObj = obj.exportJSON();
797 if (!parentObj.children) parentObj.children = []; 796 if (!parentObj.children) parentObj.children = [];
798 parentObj.children.push(jObj); 797 parentObj.children.push( jObj );
799 798
800 if (obj.getChild()) { 799