private static VertexData[] processTriangles(Mesh mesh,
int[] index, Vector3f[] v, Vector2f[] t)
{
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
if (mesh.getBuffer(Type.TexCoord) == null)
throw new IllegalArgumentException("Can only generate tangents for "
+ "meshes with texture coordinates");
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
VertexData[] vertices = initVertexData(vertexBuffer.capacity() / 3);
for (int i = 0; i < indexBuffer.size() / 3; i++) {
for (int j = 0; j < 3; j++) {
index[j] = indexBuffer.get(i*3 + j);
populateFromBuffer(v[j], vertexBuffer, index[j]);
populateFromBuffer(t[j], textureBuffer, index[j]);
}
TriangleData triData = processTriangle(index, v, t);
if (triData != null) {
vertices[index[0]].triangles.add(triData);
vertices[index[1]].triangles.add(triData);
vertices[index[2]].triangles.add(triData);
}
}
return vertices;
}
private static VertexData[] processTriangleStrip(Mesh mesh,