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fix GLMHelpers::generateBasisVectors()

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This commit is contained in:
Andrew Meadows 2017-05-31 09:57:54 -07:00
parent 347104204e
commit 81764f0f71
1 changed files with 21 additions and 21 deletions
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6
libraries/shared/src/GLMHelpers.cpp
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@ -540,15 +540,15 @@ void generateBasisVectors(const glm::vec3& primaryAxis, const glm::vec3& seconda
// if secondaryAxis is parallel with the primaryAxis, pick another axis.
const float EPSILON = 1.0e-4f;
if (fabsf(fabsf(glm::dot(uAxisOut, secondaryAxis)) - 1.0f) > EPSILON) {
if (fabsf(fabsf(glm::dot(uAxisOut, secondaryAxis)) - 1.0f) < EPSILON) {
// pick a better secondaryAxis.
normSecondary = glm::vec3(1.0f, 0.0f, 0.0f);
if (fabsf(fabsf(glm::dot(uAxisOut, secondaryAxis)) - 1.0f) > EPSILON) {
if (fabsf(fabsf(glm::dot(uAxisOut, secondaryAxis)) - 1.0f) < EPSILON) {
normSecondary = glm::vec3(0.0f, 1.0f, 0.0f);
}
}
wAxisOut = glm::normalize(glm::cross(uAxisOut, secondaryAxis));
wAxisOut = glm::normalize(glm::cross(uAxisOut, normSecondary));
vAxisOut = glm::cross(wAxisOut, uAxisOut);
}