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Improved rotation computation.

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This commit is contained in:
Andrzej Kapolka 2013-06-05 13:08:17 -07:00
parent 391b62ed32
commit 69dd4ff59b
3 changed files with 7 additions and 3 deletions
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4
interface/src/Avatar.cpp
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@ -1082,7 +1082,9 @@ void Avatar::updateBodyBalls(float deltaTime) {
if (_skeleton.joint[b].parent == AVATAR_JOINT_NULL || length < SMALL_SPRING_LENGTH) { if (_skeleton.joint[b].parent == AVATAR_JOINT_NULL || length < SMALL_SPRING_LENGTH) {
_bodyBall[b].rotation = orientation * _skeleton.joint[_bodyBall[b].parentJoint].absoluteBindPoseRotation; _bodyBall[b].rotation = orientation * _skeleton.joint[_bodyBall[b].parentJoint].absoluteBindPoseRotation;
} else { } else {
_bodyBall[b].rotation = rotationBetween(jointDirection, springVector) * orientation; glm::vec3 parentDirection = _bodyBall[ _skeleton.joint[b].parent ].rotation * JOINT_DIRECTION;
_bodyBall[b].rotation = rotationBetween(parentDirection, springVector) *
_bodyBall[ _skeleton.joint[b].parent ].rotation;
} }
} }
} }

4
interface/src/Skeleton.cpp
View file

@ -118,7 +118,9 @@ void Skeleton::initialize() {
} else { } else {
joint[b].absoluteBindPosePosition = joint[ joint[b].parent ].absoluteBindPosePosition + joint[b].absoluteBindPosePosition = joint[ joint[b].parent ].absoluteBindPosePosition +
joint[b].bindPosePosition; joint[b].bindPosePosition;
joint[b].absoluteBindPoseRotation = rotationBetween(JOINT_DIRECTION, joint[b].bindPosePosition); glm::vec3 parentDirection = joint[ joint[b].parent ].absoluteBindPoseRotation * JOINT_DIRECTION;
joint[b].absoluteBindPoseRotation = rotationBetween(parentDirection, joint[b].bindPosePosition) *
joint[ joint[b].parent ].absoluteBindPoseRotation;
} }
} }
} }

2
interface/src/Skeleton.h
View file

@ -42,7 +42,7 @@ enum AvatarJointID
NUM_AVATAR_JOINTS NUM_AVATAR_JOINTS
}; };
const glm::vec3 JOINT_DIRECTION = glm::vec3(1.0f, 0.0f, 0.0f); const glm::vec3 JOINT_DIRECTION = glm::vec3(0.0f, 1.0f, 0.0f);
class Skeleton { class Skeleton {
public: public: