add Dojo 1.1.1

[eow] / static / dojo-release-1.1.1 / dojox / gfx3d / vector.js

diff --git a/static/dojo-release-1.1.1/dojox/gfx3d/vector.js b/static/dojo-release-1.1.1/dojox/gfx3d/vector.js
new file mode 100644 (file)
index 0000000..7225273
--- /dev/null
+++ b/static/dojo-release-1.1.1/dojox/gfx3d/vector.js
@@ -0,0 +1,110 @@
+if(!dojo._hasResource["dojox.gfx3d.vector"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.gfx3d.vector"] = true;
+dojo.provide("dojox.gfx3d.vector");
+
+dojo.mixin(dojox.gfx3d.vector, {
+       sum: function(){
+               // summary: sum of the vectors
+               var v = {x: 0, y: 0, z:0};
+               dojo.forEach(arguments, function(item){ v.x += item.x; v.y += item.y; v.z += item.z; });
+               return v;
+       },
+
+       center: function(){
+               // summary: center of the vectors
+               var l = arguments.length;
+               if(l == 0){
+                       return {x: 0, y: 0, z: 0};
+               } 
+               var v = dojox.gfx3d.vector.sum(arguments);
+               return {x: v.x/l, y: v.y/l, z: v.z/l};
+       },
+
+       substract: function(/* Pointer */a, /* Pointer */b){
+               return  {x: a.x - b.x, y: a.y - b.y, z: a.z - b.z};
+       },
+
+       _crossProduct: function(x, y, z, u, v, w){
+               // summary: applies a cross product of two vectorss, (x, y, z) and (u, v, w)
+               // x: Number: an x coordinate of a point
+               // y: Number: a y coordinate of a point
+               // z: Number: a z coordinate of a point
+               // u: Number: an x coordinate of a point
+               // v: Number: a y coordinate of a point
+               // w: Number: a z coordinate of a point
+               return {x: y * w - z * v, y: z * u - x * w, z: x * v - y * u}; // Object
+       },
+
+       crossProduct: function(/* Number||Point */ a, /* Number||Point */ b, /* Number, optional */ c, /* Number, optional */ d, /* Number, optional */ e, /* Number, optional */ f){
+               // summary: applies a matrix to a point
+               // matrix: dojox.gfx3d.matrix.Matrix3D: a 3D matrix object to be applied
+               // a: Number: an x coordinate of a point
+               // b: Number: a y coordinate of a point
+               // c: Number: a z coordinate of a point
+               // d: Number: an x coordinate of a point
+               // e: Number: a y coordinate of a point
+               // f: Number: a z coordinate of a point
+               if(arguments.length == 6 && dojo.every(arguments, function(item){ return typeof item == "number"; })){
+                       return dojox.gfx3d.vector._crossProduct(a, b, c, d, e, f); // Object
+               }
+               // branch
+               // a: Object: a point
+               // b: Object: a point
+               // c: null
+               // d: null
+               // e: null
+               // f: null
+               return dojox.gfx3d.vector._crossProduct(a.x, a.y, a.z, b.x, b.y, b.z); // Object
+       },
+
+       _dotProduct: function(x, y, z, u, v, w){
+               // summary: applies a cross product of two vectorss, (x, y, z) and (u, v, w)
+               // x: Number: an x coordinate of a point
+               // y: Number: a y coordinate of a point
+               // z: Number: a z coordinate of a point
+               // u: Number: an x coordinate of a point
+               // v: Number: a y coordinate of a point
+               // w: Number: a z coordinate of a point
+               return x * u + y * v + z * w; // Number
+       },
+       dotProduct: function(/* Number||Point */ a, /* Number||Point */ b, /* Number, optional */ c, /* Number, optional */ d, /* Number, optional */ e, /* Number, optional */ f){
+               // summary: applies a matrix to a point
+               // matrix: dojox.gfx3d.matrix.Matrix3D: a 3D matrix object to be applied
+               // a: Number: an x coordinate of a point
+               // b: Number: a y coordinate of a point
+               // c: Number: a z coordinate of a point
+               // d: Number: an x coordinate of a point
+               // e: Number: a y coordinate of a point
+               // f: Number: a z coordinate of a point
+               if(arguments.length == 6 && dojo.every(arguments, function(item){ return typeof item == "number"; })){
+                       return dojox.gfx3d.vector._dotProduct(a, b, c, d, e, f); // Object
+               }
+               // branch
+               // a: Object: a point
+               // b: Object: a point
+               // c: null
+               // d: null
+               // e: null
+               // f: null
+               return dojox.gfx3d.vector._dotProduct(a.x, a.y, a.z, b.x, b.y, b.z); // Object
+       },
+
+       normalize: function(/* Point||Array*/ a, /* Point */ b, /* Point */ c){
+               // summary: find the normal of the implicit surface
+               // a: Object: a point
+               // b: Object: a point
+               // c: Object: a point
+               var l, m, n; 
+               if(a instanceof Array){
+                       l = a[0]; m = a[1]; n = a[2];
+               }else{
+                       l = a; m = b; n = c;
+               }
+
+               var u = dojox.gfx3d.vector.substract(m, l);
+               var v = dojox.gfx3d.vector.substract(n, l);
+               return dojox.gfx3d.vector.crossProduct(u, v);
+       }
+});
+
+}