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authorPushkar Joshi2012-04-09 15:55:10 -0700
committerPushkar Joshi2012-04-09 15:55:10 -0700
commitdae3041e6b8269da3d593a44c09e2288bb434a02 (patch)
tree495fc661a2e90816706a09b8d7d702550bd7fd8c /js/helper-classes
parent6cce5e9367676f5b452c28dd7d960aa46f4e464c (diff)
downloadninja-dae3041e6b8269da3d593a44c09e2288bb434a02.tar.gz
snapping feedback for pen tool, correct for subpaths that may lie on rotated canvas, and with a rotated view
Diffstat (limited to 'js/helper-classes')
-rwxr-xr-xjs/helper-classes/3D/vec-utils.js19
1 files changed, 19 insertions, 0 deletions
diff --git a/js/helper-classes/3D/vec-utils.js b/js/helper-classes/3D/vec-utils.js
index 4eacd856..0916c840 100755
--- a/js/helper-classes/3D/vec-utils.js
+++ b/js/helper-classes/3D/vec-utils.js
@@ -113,6 +113,25 @@ var VecUtils = exports.VecUtils = Object.create(Object.prototype,
113 } 113 }
114 }, 114 },
115 115
116 vecDistSq : {
117 value: function( dimen, a, b ) {
118 var sum;
119
120 if ((a.length < dimen) || (b.length < dimen))
121 {
122 throw new Error( "dimension error in VecUtils.vecDistSq" );
123 }
124
125 var sum = 0.0;
126 for (var i=0; i<dimen; i++)
127 {
128 var d = a[i] - b[i];
129 sum += d*d;
130 }
131 return sum;
132 }
133 },
134
116 vecDot : { 135 vecDot : {
117 value: function( dimen, v0, v1 ) { 136 value: function( dimen, v0, v1 ) {
118 if ((v0.length < dimen) || (v1.length < dimen)) 137 if ((v0.length < dimen) || (v1.length < dimen))