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Implement dimensions test for 3D planar overlay intersection

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This commit is contained in:
David Rowe 2015-02-05 09:38:45 -08:00
parent 056365932b
commit 2f6749ff69
1 changed files with 7 additions and 4 deletions
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11
interface/src/ui/overlays/Planar3DOverlay.cpp
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@ -93,7 +93,6 @@ QScriptValue Planar3DOverlay::getProperty(const QString& property) {
bool Planar3DOverlay::findRayIntersection(const glm::vec3& origin, const glm::vec3& direction,
float& distance, BoxFace& face) {
RayIntersectionInfo rayInfo;
rayInfo._rayStart = origin;
rayInfo._rayDirection = direction;
@ -110,9 +109,13 @@ bool Planar3DOverlay::findRayIntersection(const glm::vec3& origin, const glm::ve
if (intersects) {
distance = rayInfo._hitDistance;
// TODO: if it intersects, we want to check to see if the intersection point is within our dimensions
// glm::vec3 hitAt = origin + direction * distance;
// _dimensions
glm::vec3 hitPosition = origin + (distance * direction);
glm::vec3 localHitPosition = glm::inverse(_rotation) * (hitPosition - _position);
glm::vec2 halfDimensions = _dimensions / 2.0f;
intersects = -halfDimensions.x <= localHitPosition.x && localHitPosition.x <= halfDimensions.x
&& -halfDimensions.y <= localHitPosition.y && localHitPosition.y <= halfDimensions.y;
}
return intersects;
}