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rotate lasers to face HMD so they don't look flat

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This commit is contained in:
Crispy 2023-04-15 21:36:13 +02:00
parent 500c198587
commit 14b5c8f745
3 changed files with 13 additions and 4 deletions
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1
src/app.cpp
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@ -137,7 +137,6 @@ void App::InitRootOverlay()
panel.GetOverlay()->ControllerRelease(); panel.GetOverlay()->ControllerRelease();
} }
}; };
printf("Created root overlay instance\n");
} }
void App::Update() void App::Update()

11
src/controller.cpp
View file

@ -52,12 +52,17 @@ void Controller::Update()
return; return;
auto controller_pose = _app->GetTrackerPose(_device_index); auto controller_pose = _app->GetTrackerPose(_device_index);
auto origin = GetPos(controller_pose); auto controller_pos = GetPos(controller_pose);
auto forward = -glm::vec3(controller_pose[2]); auto forward = -glm::vec3(controller_pose[2]);
auto ray = _app->IntersectRay(origin, forward, 5.0f); auto ray = _app->IntersectRay(controller_pos, forward, 5.0f);
float len = ray.distance; float len = ray.distance;
VRMat transform = {{{width, 0, 0, 0}, {0, 0, width, 0}, {0, len, 0, len * -0.5f}}}; auto hmd_global_pos = GetPos(_app->GetTrackerPose(0));
auto hmd_local_pos = glm::inverse(controller_pose) * glm::vec4(hmd_global_pos - controller_pos, 0);
hmd_local_pos.z = 0;
auto hmd_dir = glm::normalize(hmd_local_pos);
VRMat transform = {{{width * hmd_dir.y, 0, width * hmd_dir.x, 0}, {width * -hmd_dir.x, 0, width * hmd_dir.y, 0}, {0, len, 0, len * -0.5f}}};
_laser.SetTransformTracker(_device_index, &transform); _laser.SetTransformTracker(_device_index, &transform);
if (ray.overlay != nullptr) if (ray.overlay != nullptr)

5
src/util.h
View file

@ -10,6 +10,11 @@ typedef vr::HmdMatrix34_t VRMat;
const VRMat VRMatIdentity{{{1, 0, 0, 0}, {0, 1, 0, 0}, {0, 0, 1, 0}}}; const VRMat VRMatIdentity{{{1, 0, 0, 0}, {0, 1, 0, 0}, {0, 0, 1, 0}}};
const int MAX_TRACKERS = vr::k_unMaxTrackedDeviceCount; const int MAX_TRACKERS = vr::k_unMaxTrackedDeviceCount;
inline void PrintVec(glm::vec3 v)
{
printf("(%.2f, %.2f, %.2f)\n", v.x, v.y, v.z);
}
inline void PrintMat(VRMat m) inline void PrintMat(VRMat m)
{ {
printf("[%.2f, %.2f, %.2f, %.2f]\n", m.m[0][0], m.m[0][1], m.m[0][2], m.m[0][3]); printf("[%.2f, %.2f, %.2f, %.2f]\n", m.m[0][0], m.m[0][1], m.m[0][2], m.m[0][3]);