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This commit is contained in:
Andrzej Kapolka 2014-05-15 15:34:01 -07:00
parent 3eefb6a93e
commit 301234a397
1 changed files with 4 additions and 4 deletions
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8
interface/src/avatar/SkeletonModel.cpp
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@ -320,16 +320,16 @@ void SkeletonModel::setHandPosition(int jointIndex, const glm::vec3& position, c
glm::vec3 handNormal = glm::cross(rotation * glm::vec3(0.0f, 1.0f, 0.0f), shoulderToWrist); // elbow rotating with wrist
glm::vec3 relaxedNormal = glm::cross(glm::vec3(0.0f, 1.0f, 0.0f), shoulderToWrist); // elbow pointing straight down
const float NORMAL_WEIGHT = 0.5f;
glm::vec3 finalNormal = glm::mix(relaxedNormal, handNormal, NORMAL_WEIGHT);
glm::vec3 finalNormal = glm::mix(relaxedNormal, handNormal, NORMAL_WEIGHT);
bool rightHand = (jointIndex == geometry.rightHandJointIndex);
if (rightHand ? (finalNormal.y > 0.0f) : (finalNormal.y < 0.0f)) {
finalNormal.y = 0.0f; // dont allow elbows to point inward (y is vertical axis)
}
glm::vec3 tangent = glm::normalize(glm::cross(shoulderToWrist, finalNormal));
// ik solution
glm::vec3 tangent = glm::normalize(glm::cross(shoulderToWrist, finalNormal));
// ik solution
glm::vec3 elbowPosition = shoulderPosition + glm::normalize(shoulderToWrist) * mid - tangent * height;
glm::vec3 forwardVector(rightHand ? -1.0f : 1.0f, 0.0f, 0.0f);