From 4ca4bd4aea0ff94bae0802805c0ddfff97666689 Mon Sep 17 00:00:00 2001 From: WebFreak001 Date: Thu, 11 Jun 2020 23:15:51 +0200 Subject: use quaternions for resetting rotation now uses yaw, pitch and roll for resetting rotation this is something very opinionated, but is useful for example when lying down and looking up --- src/main.cpp | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'src') diff --git a/src/main.cpp b/src/main.cpp index 46e06ff..8e0aeee 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -216,8 +216,8 @@ private: // OpenGL bookkeeping glm::vec3 current_pos = glm::vec3(0.0f, 0.0f, 0.0f); glm::vec3 hmd_pos = glm::vec3(0.0f, 0.0f, 0.0f); - float hmd_rot = 0.0f; - float m_reset_rotation = 0.0f; + glm::quat hmd_rot = glm::quat(0.0f, 0.0f, 0.0f, 1.0f); + glm::quat m_reset_rotation = glm::quat(0.0f, 0.0f, 0.0f, 0.0f); struct VertexDataScene { @@ -905,7 +905,7 @@ bool CMainApplication::HandleInput() // m_resetPos = m_mat4HMDPose; hmd_pos = current_pos; m_bResetRotation = false; - m_reset_rotation = hmd_rot; + m_reset_rotation = glm::inverse(hmd_rot); } vr::VRInputValueHandle_t ulHapticDevice; @@ -1952,7 +1952,7 @@ glm::mat4 CMainApplication::GetCurrentViewProjectionMatrix( vr::Hmd_Eye nEye ) //memcpy(&m_mat4HMDPose[0], &pp[0], sizeof(pp)); glm::mat4 hmd_pose = m_mat4HMDPose; hmd_pose = glm::translate(hmd_pose, hmd_pos); - hmd_pose = glm::rotate(hmd_pose, m_reset_rotation, glm::vec3(0.0f, 1.0f, 0.0f)); + hmd_pose = hmd_pose * mat4_cast(m_reset_rotation); if( nEye == vr::Eye_Left ) { matMVP = m_mat4ProjectionLeft * m_mat4eyePosLeft * hmd_pose; @@ -1993,8 +1993,8 @@ void CMainApplication::UpdateHMDMatrixPose() current_pos.y = m_rTrackedDevicePose[nDevice].mDeviceToAbsoluteTracking.m[1][3]; current_pos.z = m_rTrackedDevicePose[nDevice].mDeviceToAbsoluteTracking.m[2][3]; - glm::vec3 *vec_z = (glm::vec3*)&m_rTrackedDevicePose[nDevice].mDeviceToAbsoluteTracking.m[2]; - hmd_rot = atan2(vec_z->z, vec_z->x) - half_pi; + glm::mat4 *mat = (glm::mat4*)&m_rTrackedDevicePose[nDevice].mDeviceToAbsoluteTracking; + hmd_rot = glm::quat_cast(*mat); m_rDevClassChar[nDevice] = 'H'; break; } -- cgit v1.2.3