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manipulator fixes

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This commit is contained in:
Nick Fisher
2022-09-06 19:38:07 +10:00
parent 76820c9888
commit 1da92cdf57
1 changed files with 22 additions and 6 deletions
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28
ios/src/FilamentViewer.cpp
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@@ -527,7 +527,6 @@ SceneAsset *FilamentViewer::loadGltf(const char *const uri,
void FilamentViewer::clearAssets() {
Log("Clearing all assets");
// mtx.lock();
if(_mainCamera) {
_view->setCamera(_mainCamera);
}
@@ -544,18 +543,19 @@ void FilamentViewer::clearAssets() {
i++;
}
_assets.clear();
// mtx.unlock();
Log("Cleared all assets");
}
void FilamentViewer::removeAsset(SceneAsset *asset) {
Log("Removing asset from scene");
mtx.lock();
// todo - what if we are using a camera from this asset?
_view->setCamera(_mainCamera);
_sceneAssetLoader->remove(asset);
bool erased = false;
for (auto it = _assets.begin(); it != _assets.end();) {
for (auto it = _assets.begin(); it != _assets.end();++it) {
if (*it == asset) {
_assets.erase(it);
erased = true;
@@ -716,6 +716,8 @@ void FilamentViewer::render(uint64_t frameTimeInNanos) {
if(_manipulator) {
math::float3 eye, target, upward;
Camera& cam =_view->getCamera();
_manipulator->update((float(frameTimeInNanos) - float(_lastFrameTimeInNanos)) / 1000000);
_lastFrameTimeInNanos = frameTimeInNanos;
_manipulator->getLookAt(&eye, &target, &upward);
cam.lookAt(eye, target, upward);
}
@@ -752,6 +754,10 @@ void FilamentViewer::updateViewportAndCameraProjection(
}
void FilamentViewer::setCameraPosition(float x, float y, float z) {
if(_manipulator) {
delete _manipulator;
_manipulator = nullptr;
}
Camera& cam =_view->getCamera();
auto &tm = _engine->getTransformManager();
_cameraPosition = math::mat4f::translation(math::float3(x,y,z));
@@ -759,6 +765,10 @@ void FilamentViewer::setCameraPosition(float x, float y, float z) {
}
void FilamentViewer::setCameraRotation(float rads, float x, float y, float z) {
if(_manipulator) {
delete _manipulator;
_manipulator = nullptr;
}
Camera& cam =_view->getCamera();
auto &tm = _engine->getTransformManager();
_cameraRotation = math::mat4f::rotation(rads, math::float3(x,y,z));
@@ -772,13 +782,16 @@ void FilamentViewer::_createManipulator() {
Camera& cam =_view->getCamera();
math::float3 home = cam.getPosition();
math::float3 fv = cam.getForwardVector();
math::float3 tp = home + fv;
Viewport const& vp = _view->getViewport();
_manipulator = Manipulator<float>::Builder()
.viewport(vp.width, vp.height)
.orbitHomePosition(home[0], home[1], home[2])
.targetPosition(fv[0], fv[1], fv[2])
.targetPosition(tp[0], tp[1], tp[2])
// .targetPosition(fv[0], fv[1], fv[2])
.build(Mode::ORBIT);
Log("Created manipulator for vp width %d height %d ", vp.width, vp.height);
_lastFrameTimeInNanos = 0;
Log("Created orbit manipulator for vp width %d height %d with home %f %f %f and target pos %f %f %f ", vp.width, vp.height, home[0], home[1], home[2], tp[0], tp[1], tp[2]);
}
void FilamentViewer::grabBegin(float x, float y, bool pan) {
@@ -790,6 +803,7 @@ void FilamentViewer::grabBegin(float x, float y, bool pan) {
_createManipulator();
} else {
Log("Error - calling grabBegin while another grab session is active. This will probably cause weirdness");
return;
}
_manipulator->grabBegin(x, y, pan);
}
@@ -815,8 +829,9 @@ void FilamentViewer::grabEnd() {
_manipulator->grabEnd();
delete _manipulator;
_manipulator = nullptr;
Log("Destroyed manipulator");
} else {
Log("Error - trying to use a manipulator when one is not available. Ensure you call grabBegin before grabUpdate/grabEnd");
Log("Error - trying to call GrabEnd when a manipulator is not available. Ensure you call grabBegin before grabUpdate/grabEnd");
}
}
@@ -841,6 +856,7 @@ void FilamentViewer::scrollEnd() {
}
delete _manipulator;
_manipulator = nullptr;
Log("Destroyed manipulator");
}
} // namespace polyvox