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project source position onto XZ plane of listener

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Stephen Birarda 2013-06-04 16:11:11 -07:00
parent bfad6c8f61
commit 4b208e1678
1 changed files with 6 additions and 0 deletions
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6
audio-mixer/src/main.cpp
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@ -196,6 +196,11 @@ int main(int argc, const char* argv[]) {
// not performed if listener is inside spherical injector // not performed if listener is inside spherical injector
// calculate the angle from the source to the listener // calculate the angle from the source to the listener
// project the rotated source position vector onto the XZ plane
rotatedSourcePosition.y = 0.0f;
// produce an oriented angle about the y-axis
bearingRelativeAngleToSource = glm::orientedAngle(glm::vec3(0.0f, 0.0f, -1.0f), bearingRelativeAngleToSource = glm::orientedAngle(glm::vec3(0.0f, 0.0f, -1.0f),
glm::normalize(rotatedSourcePosition), glm::normalize(rotatedSourcePosition),
glm::vec3(0.0f, 1.0f, 0.0f)); glm::vec3(0.0f, 1.0f, 0.0f));
@ -203,6 +208,7 @@ int main(int argc, const char* argv[]) {
// calculate the angle delivery // calculate the angle delivery
glm::vec3 rotatedListenerPosition = glm::inverse(otherAgentBuffer->getOrientation()) glm::vec3 rotatedListenerPosition = glm::inverse(otherAgentBuffer->getOrientation())
* relativePosition; * relativePosition;
float angleOfDelivery = glm::angle(glm::vec3(0.0f, 0.0f, 1.0f), float angleOfDelivery = glm::angle(glm::vec3(0.0f, 0.0f, 1.0f),
glm::normalize(rotatedListenerPosition)); glm::normalize(rotatedListenerPosition));