diff options
Diffstat (limited to 'js/lib/drawing')
-rwxr-xr-x | js/lib/drawing/world.js | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/js/lib/drawing/world.js b/js/lib/drawing/world.js index 44c9e37d..9e502c3e 100755 --- a/js/lib/drawing/world.js +++ b/js/lib/drawing/world.js | |||
@@ -727,6 +727,57 @@ World.prototype.getShapeFromPoint = function( offsetX, offsetY ) { | |||
727 | } | 727 | } |
728 | }; | 728 | }; |
729 | 729 | ||
730 | World.prototype.exportJSON = function() | ||
731 | { | ||
732 | // world properties | ||
733 | var worldObj = | ||
734 | { | ||
735 | 'version' : 1.1, | ||
736 | 'id' : this.getCanvas().getAttribute( "data-RDGE-id" ), | ||
737 | 'fov' : this._fov, | ||
738 | 'zNear' : this._zNear, | ||
739 | 'zFar' : this._zFar, | ||
740 | 'viewDist' : this._viewDist, | ||
741 | 'webGL' : this._useWebGL | ||
742 | }; | ||
743 | |||
744 | // RDGE scenegraph | ||
745 | if (this._useWebGL) | ||
746 | worldObj.scenedata = this.myScene.exportJSON(); | ||
747 | |||
748 | // object data | ||
749 | var strArray = []; | ||
750 | this.exportObjectsJSON( this._geomRoot, worldObj ); | ||
751 | |||
752 | // convert the object to a string | ||
753 | var jStr = JSON.stringify( worldObj ); | ||
754 | |||
755 | // the RDGE export function corrupts the data. | ||
756 | // rebuild the tree | ||
757 | var root = this._rootNode; | ||
758 | root.children = new Array(); | ||
759 | if (worldObj.children && (worldObj.children.length === 1)) | ||
760 | this.importObjectsJSON( worldObj.children[0] ); | ||
761 | |||
762 | return jStr; | ||
763 | } | ||
764 | |||
765 | World.prototype.exportObjectsJSON = function( obj, parentObj ) | ||
766 | { | ||
767 | if (!obj) return; | ||
768 | |||
769 | var jObj = obj.exportJSON(); | ||
770 | if (!parentObj.children) parentObj.children = []; | ||
771 | parentObj.children.push( jObj ); | ||
772 | |||
773 | if (obj.getChild()) { | ||
774 | this.exportObjects( obj.getChild (), jObj ); | ||
775 | } | ||
776 | |||
777 | if (obj.getNext()) | ||
778 | this.exportObjects( obj.getNext(), parentObj ); | ||
779 | } | ||
780 | |||
730 | World.prototype.export = function() | 781 | World.prototype.export = function() |
731 | { | 782 | { |
732 | var exportStr = "GLWorld 1.0\n"; | 783 | var exportStr = "GLWorld 1.0\n"; |
@@ -808,6 +859,83 @@ World.prototype.findTransformNodeByMaterial = function( materialNode, trNode ) | |||
808 | return rtnNode; | 859 | return rtnNode; |
809 | }; | 860 | }; |
810 | 861 | ||
862 | World.prototype.importJSON = function( jObj ) | ||
863 | { | ||
864 | if (jObj.webGL) | ||
865 | { | ||
866 | // start RDGE | ||
867 | rdgeStarted = true; | ||
868 | var id = this._canvas.getAttribute( "data-RDGE-id" ); | ||
869 | this._canvas.rdgeid = id; | ||
870 | g_Engine.registerCanvas(this._canvas, this); | ||
871 | RDGEStart( this._canvas ); | ||
872 | this._canvas.task.stop() | ||
873 | } | ||
874 | |||
875 | // import the objects | ||
876 | // there should be exactly one child of the parent object | ||
877 | if (jObj.children && (jObj.children.length === 1)) | ||
878 | this.importObjectsJSON( jObj.children[0] ); | ||
879 | else | ||
880 | throw new Error ("unrecoverable canvas import error - inconsistent root object: " + jObj.children ); | ||
881 | |||
882 | if (!this._useWebGL) | ||
883 | { | ||
884 | // render using canvas 2D | ||
885 | this.render(); | ||
886 | } | ||
887 | } | ||
888 | |||
889 | World.prototype.importObjectsJSON = function( jObj, parentGeomObj ) | ||
890 | { | ||
891 | // read the next object | ||
892 | var gObj = this.importObjectJSON( jObj, parentGeomObj ); | ||
893 | |||
894 | // determine if we have children | ||
895 | if (jObj.children) | ||
896 | { | ||
897 | var nKids = ojObjbj.chilodren.length; | ||
898 | for (var i=0; i<nKids; i++) | ||
899 | { | ||
900 | var child = jObj.children[i]; | ||
901 | this.importObjectsJSON( child, gObj ); | ||
902 | } | ||
903 | } | ||
904 | } | ||
905 | |||
906 | World.prototype.importObjectJSON = function( jObj, parentGeomObj ) | ||
907 | { | ||
908 | var type = jObj.type; | ||
909 | |||
910 | var obj; | ||
911 | switch (type) | ||
912 | { | ||
913 | case 1: | ||
914 | obj = new Rectangle(); | ||
915 | obj.importJSON( jObj ); | ||
916 | break; | ||
917 | |||
918 | case 2: // circle | ||
919 | obj = new Circle(); | ||
920 | obj.importJSON( jObj ); | ||
921 | break; | ||
922 | |||
923 | case 3: // line | ||
924 | obj = new Line(); | ||
925 | obj.importJSON( jObj ); | ||
926 | break; | ||
927 | |||
928 | default: | ||
929 | throw new Error( "Unrecognized object type: " + type ); | ||
930 | break; | ||
931 | } | ||
932 | |||
933 | if (obj) | ||
934 | this.addObject( obj, parentGeomObj ); | ||
935 | |||
936 | return obj; | ||
937 | }; | ||
938 | |||
811 | World.prototype.import = function( importStr ) { | 939 | World.prototype.import = function( importStr ) { |
812 | // import the worldattributes - not currently used | 940 | // import the worldattributes - not currently used |
813 | 941 | ||