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First draft of using equatorial coordinates for dragging

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This commit is contained in:
Ylva Selling
2022-10-27 17:09:22 -04:00
parent fae2fdb053
commit cd92ea31dd
1 changed files with 13 additions and 5 deletions
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18
modules/skybrowser/src/targetbrowserpair.cpp
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@@ -74,20 +74,28 @@ void TargetBrowserPair::setImageOrder(int i, int order) {
}
void TargetBrowserPair::startFinetuningTarget() {
_startTargetPosition = _targetNode->worldPosition();
}
// The fine tune of the target is a way to "drag and drop" the target with right click
// The fine tune of the target is a way to "drag and drop" the target with click
// drag on the sky browser window. This is to be able to drag the target around when it
// has a very small field of view
void TargetBrowserPair::fineTuneTarget(const glm::vec2& translation)
{
glm::dvec2 startRaDec = skybrowser::cartesianToSpherical(
skybrowser::galacticToEquatorial(glm::normalize(_startTargetPosition))
glm::dvec3 startTarget = skybrowser::galacticToEquatorial(
glm::normalize(_startTargetPosition)
);
glm::dvec2 fovs = _browser->fieldsOfView();
glm::dvec3 upperRightCorner = startTarget - 0.5 * skybrowser::sphericalToCartesian(glm::dvec2(-fovs[0], fovs[1]));
glm::dvec3 lowerLeftCorner = startTarget - 0.5 * skybrowser::sphericalToCartesian(glm::dvec2(fovs[0], -fovs[1]));
glm::dvec3 upperLeftCorner = startTarget - 0.5 * skybrowser::sphericalToCartesian(fovs);
glm::dvec2 newRaDec = startRaDec + glm::dvec2(translation);
glm::dvec3 newCartesian = skybrowser::sphericalToCartesian(newRaDec);
glm::dvec3 vecToRight = (upperRightCorner - upperLeftCorner) * static_cast<double>(translation[0]);
glm::dvec3 vecToDown = (lowerLeftCorner - upperLeftCorner) * static_cast<double>(translation[1]);
glm::dvec3 newCartesian = startTarget - (vecToRight + vecToDown);
aimTargetGalactic(
_targetNode->identifier(),
skybrowser::equatorialToGalactic(newCartesian)