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Merge pull request #13425 from sabrina-shanman/crash-strafe

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Fix crash when walking sideways
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Andrew Meadows 2018-06-20 11:13:20 -07:00 committed by GitHub
commit 24bae8eddc
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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 < 1.0f) {
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;