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Merge pull request #53 from makc/patch-1

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null reference fix for mesh with isolated vertices
This commit is contained in:
Andrey Kopysov
2013-01-28 11:23:00 -08:00
parent c8830481cb 88f998a517
commit 5988f714cd
1 changed files with 2 additions and 1 deletions
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3
src/alternativa/engine3d/resources/Geometry.as
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@@ -243,6 +243,7 @@ package alternativa.engine3d.resources {
var normalsBufferStride:uint = normalsStream.attributes.length*4;
for (i = 0; i < _numVertices; i++) {
normal = normals[i];
if (normal == null) continue;
normal.normalize();
normalsBuffer.position = i*normalsBufferStride + normalsOffset;
normalsBuffer.writeFloat(normal.x);
@@ -254,7 +255,7 @@ package alternativa.engine3d.resources {
var resultByteArray:ByteArray = new ByteArray();
resultByteArray.endian = Endian.LITTLE_ENDIAN;
for (i = 0; i < _numVertices; i++) {
normal = normals[i];
normal = normals[i] || new Vector3D(0,0,1);
normal.normalize();
resultByteArray.writeBytes(positionsData, i*stride, stride);
resultByteArray.writeFloat(normal.x);