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Fix for laser rendering and positioning with sensor scale

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This commit is contained in:
Anthony J. Thibault 2017-08-22 11:07:04 -07:00
parent de2262968e
commit ffdb10681e
3 changed files with 23 additions and 12 deletions
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24
interface/src/Application.cpp
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@ -2475,6 +2475,13 @@ void Application::paintGL() {
finalFramebuffer = framebufferCache->getFramebuffer();
}
auto hmdInterface = DependencyManager::get<HMDScriptingInterface>();
float ipdScale = hmdInterface->getIPDScale();
// scale IPD by height ratio, to make the world seem larger or smaller accordingly.
float heightRatio = getMyAvatar()->getEyeHeight() / getMyAvatar()->getUserEyeHeight();
ipdScale *= heightRatio;
mat4 eyeProjections[2];
{
PROFILE_RANGE(render, "/mainRender");
@ -2499,13 +2506,6 @@ void Application::paintGL() {
mat4 eyeOffsets[2];
mat4 eyeProjections[2];
auto hmdInterface = DependencyManager::get<HMDScriptingInterface>();
float IPDScale = hmdInterface->getIPDScale();
// scale IPD by height ratio, to make the world seem larger or smaller accordingly.
float heightRatio = getMyAvatar()->getEyeHeight() / getMyAvatar()->getUserEyeHeight();
IPDScale *= heightRatio;
// adjust near clip plane by heightRatio
auto baseProjection = glm::perspective(renderArgs.getViewFrustum().getFieldOfView(),
renderArgs.getViewFrustum().getAspectRatio(),
@ -2524,7 +2524,7 @@ void Application::paintGL() {
// Grab the translation
vec3 eyeOffset = glm::vec3(eyeToHead[3]);
// Apply IPD scaling
mat4 eyeOffsetTransform = glm::translate(mat4(), eyeOffset * -1.0f * IPDScale);
mat4 eyeOffsetTransform = glm::translate(mat4(), eyeOffset * -1.0f * ipdScale);
eyeOffsets[eye] = eyeOffsetTransform;
eyeProjections[eye] = displayPlugin->getEyeProjection(eye, baseProjection);
});
@ -2544,8 +2544,14 @@ void Application::paintGL() {
PerformanceTimer perfTimer("postComposite");
renderArgs._batch = &postCompositeBatch;
renderArgs._batch->setViewportTransform(ivec4(0, 0, finalFramebufferSize.width(), finalFramebufferSize.height()));
renderArgs._batch->setViewTransform(renderArgs.getViewFrustum().getView());
for_each_eye([&](Eye eye) {
// apply eye offset and IPD scale to the view matrix
mat4 eyeToHead = displayPlugin->getEyeToHeadTransform(eye);
vec3 eyeOffset = glm::vec3(eyeToHead[3]);
mat4 eyeOffsetTransform = glm::translate(mat4(), eyeOffset * -1.0f * ipdScale);
renderArgs._batch->setViewTransform(renderArgs.getViewFrustum().getView() * eyeOffsetTransform);
renderArgs._batch->setProjectionTransform(eyeProjections[eye]);
_overlays.render3DHUDOverlays(&renderArgs);
});

9
interface/src/avatar/MyAvatar.cpp
View file

@ -667,8 +667,8 @@ void MyAvatar::updateSensorToWorldMatrix() {
// update the sensor mat so that the body position will end up in the desired
// position when driven from the head.
float heightRatio = getEyeHeight() / getUserEyeHeight();
glm::mat4 desiredMat = createMatFromScaleQuatAndPos(glm::vec3(heightRatio), getOrientation(), getPosition());
float sensorToWorldScale = getEyeHeight() / getUserEyeHeight();
glm::mat4 desiredMat = createMatFromScaleQuatAndPos(glm::vec3(sensorToWorldScale), getOrientation(), getPosition());
_sensorToWorldMatrix = desiredMat * glm::inverse(_bodySensorMatrix);
lateUpdatePalms();
@ -679,6 +679,7 @@ void MyAvatar::updateSensorToWorldMatrix() {
}
_sensorToWorldMatrixCache.set(_sensorToWorldMatrix);
_sensorToWorldScaleCache.set(sensorToWorldScale);
updateJointFromController(controller::Action::LEFT_HAND, _controllerLeftHandMatrixCache);
updateJointFromController(controller::Action::RIGHT_HAND, _controllerRightHandMatrixCache);
@ -2872,6 +2873,10 @@ glm::mat4 MyAvatar::computeCameraRelativeHandControllerMatrix(const glm::mat4& c
// move the camera into sensor space.
glm::mat4 cameraSensorMatrix = glm::inverse(getSensorToWorldMatrix()) * cameraWorldMatrix;
// cancel out scale
glm::vec3 scale = extractScale(cameraSensorMatrix);
cameraSensorMatrix = glm::scale(cameraSensorMatrix, 1.0f / scale);
// measure the offset from the hmd and the camera, in sensor space
glm::mat4 delta = cameraSensorMatrix * glm::inverse(getHMDSensorMatrix());

2
interface/src/avatar/MyAvatar.h
View file

@ -708,7 +708,7 @@ private:
float _hmdRollControlRate { ROLL_CONTROL_RATE_DEFAULT };
float _lastDrivenSpeed { 0.0f };
// working copies -- see AvatarData for thread-safe _sensorToWorldMatrixCache, used for outward facing access
// working copy -- see AvatarData for thread-safe _sensorToWorldMatrixCache, used for outward facing access
glm::mat4 _sensorToWorldMatrix { glm::mat4() };
// cache of the current HMD sensor position and orientation in sensor space.