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authorAnanya Sen2012-05-31 10:13:40 -0700
committerAnanya Sen2012-05-31 10:13:40 -0700
commit286457b4f23974277274ba388afd283e8aa085cb (patch)
treec21bf791e7c4f572d12f97987ea6b89e74da67fe /js/lib/geom/shape-primitive.js
parent4d9b481c58090e8f1fc7b0e9d73a81b0f49cccc8 (diff)
parentd49c909cff7f0c5e5d0b127ad84a2fefc6677dc6 (diff)
downloadninja-286457b4f23974277274ba388afd283e8aa085cb.tar.gz
Merge branch 'refs/heads/ninja-internal-master' into cut-copy-paste
Conflicts: js/controllers/styles-controller.js Signed-off-by: Ananya Sen <Ananya.Sen@motorola.com>
Diffstat (limited to 'js/lib/geom/shape-primitive.js')
-rw-r--r--js/lib/geom/shape-primitive.js27
1 files changed, 27 insertions, 0 deletions
diff --git a/js/lib/geom/shape-primitive.js b/js/lib/geom/shape-primitive.js
index 97873d32..9864a8e9 100644
--- a/js/lib/geom/shape-primitive.js
+++ b/js/lib/geom/shape-primitive.js
@@ -49,6 +49,33 @@ ShapePrimitive.create = function(coords, normals, uvs, indices, primType, ver
49 return prim; 49 return prim;
50}; 50};
51 51
52ShapePrimitive.getBounds = function( prim )
53{
54 var verts = prim.bufferStreams[0];
55 var nVerts = verts.length;
56 var xMin = verts[0], xMax = verts[0],
57 yMin = verts[1], yMax = verts[1],
58 zMin = verts[2], zMax = verts[2];
59
60 for (var index=3; index<verts.length; )
61 {
62 if (verts[index] < xMin) xMin = verts[index];
63 else if (verts[index] > xMax) xMax = verts[index];
64
65 index++;
66 if (verts[index] < yMin) yMin = verts[index];
67 else if (verts[index] > yMax) yMax = verts[index];
68
69 index++;
70 if (verts[index] < zMin) zMin = verts[index];
71 else if (verts[index] > zMax) zMax = verts[index];
72
73 index++;
74 }
75
76 return [xMin, yMin, zMin, xMax, yMax, zMax];
77};
78
52if (typeof exports === "object") { 79if (typeof exports === "object") {
53 exports.ShapePrimitive = ShapePrimitive; 80 exports.ShapePrimitive = ShapePrimitive;
54} \ No newline at end of file 81} \ No newline at end of file