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cleanup around how boundary shape is computed

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This commit is contained in:
Andrew Meadows 2014-04-29 15:16:50 -07:00
parent 4e34d0339d
commit 34aaf98b53
1 changed files with 4 additions and 12 deletions
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16
interface/src/renderer/Model.cpp
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@ -542,18 +542,10 @@ void Model::rebuildShapes() {
capsule->setRotation(combinedRotations[i] * joint.shapeRotation);
_jointShapes.push_back(capsule);
glm::vec3 endPoint;
capsule->getEndPoint(endPoint);
glm::vec3 startPoint;
capsule->getStartPoint(startPoint);
// add some points that bound a sphere at the center of the capsule
glm::vec3 axis = glm::vec3(radius);
shapeExtents.addPoint(worldPosition + axis);
shapeExtents.addPoint(worldPosition - axis);
// add the two furthest surface points of the capsule
axis = (halfHeight + radius) * glm::normalize(endPoint - startPoint);
glm::vec3 axis;
capsule->computeNormalizedAxis(axis);
axis = halfHeight * axis + glm::vec3(radius);
shapeExtents.addPoint(worldPosition + axis);
shapeExtents.addPoint(worldPosition - axis);
@ -587,7 +579,7 @@ void Model::rebuildShapes() {
glm::quat inverseRotation = glm::inverse(_rotation);
glm::vec3 rootPosition = extractTranslation(transforms[rootIndex]);
_boundingShapeLocalOffset = inverseRotation * (0.5f * (totalExtents.maximum + totalExtents.minimum) - rootPosition);
_boundingShape.setPosition(_translation - _rotation * _boundingShapeLocalOffset);
_boundingShape.setPosition(_translation + _rotation * _boundingShapeLocalOffset);
_boundingShape.setRotation(_rotation);
}