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Fix crash when walking sideways

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This commit is contained in:
sabrina-shanman 2018-06-19 17:08:05 -07:00
parent 9ace80c709
commit 45fdf3d68f
1 changed files with 8 additions and 5 deletions
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13
interface/src/avatar/MyCharacterController.cpp
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@ -108,12 +108,15 @@ bool MyCharacterController::testRayShotgun(const glm::vec3& position, const glm:
btScalar lengthAxis = axis.length();
if (lengthAxis > FLT_EPSILON) {
// we're walking sideways
btScalar angle = acosf(lengthAxis / adjustedDirection.length());
if (rayDirection.dot(forward) < 0.0f) {
angle = PI - angle;
btScalar cosAngle = lengthAxis / adjustedDirection.length();
if (cosAngle < 1) {
btScalar angle = acosf(cosAngle);
if (rayDirection.dot(forward) < 0.0f) {
angle = PI - angle;
}
axis /= lengthAxis;
rotation = btMatrix3x3(btQuaternion(axis, angle)) * rotation;
}
axis /= lengthAxis;
rotation = btMatrix3x3(btQuaternion(axis, angle)) * rotation;
} else if (rayDirection.dot(forward) < 0.0f) {
// we're walking backwards
rotation = btMatrix3x3(btQuaternion(_currentUp, PI)) * rotation;