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Fix ray picks against HUD sphere at different sensor scale factors

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This commit is contained in:
Anthony J. Thibault 2017-09-05 10:03:19 -07:00
parent 26e9e6e580
commit f0912987a3
4 changed files with 23 additions and 12 deletions
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2
interface/src/Application.cpp
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@ -2551,7 +2551,7 @@ void Application::paintGL() {
{
PROFILE_RANGE(render, "/updateCompositor");
getApplicationCompositor().setFrameInfo(_frameCount, _myCamera.getTransform());
getApplicationCompositor().setFrameInfo(_frameCount, _myCamera.getTransform(), getMyAvatar()->getSensorToWorldMatrix());
}
gpu::FramebufferPointer finalFramebuffer;

2
interface/src/raypick/RayPickScriptingInterface.cpp
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@ -108,4 +108,4 @@ void RayPickScriptingInterface::setIgnoreAvatars(QUuid uid, const QScriptValue&
void RayPickScriptingInterface::setIncludeAvatars(QUuid uid, const QScriptValue& includeAvatars) {
qApp->getRayPickManager().setIncludeAvatars(uid, includeAvatars);
}
}

25
libraries/display-plugins/src/display-plugins/CompositorHelper.cpp
View file

@ -20,6 +20,7 @@
#include <QtGui/QWindow>
#include <QQuickWindow>
#include <DebugDraw.h>
#include <shared/QtHelpers.h>
#include <ui/Menu.h>
#include <NumericalConstants.h>
@ -339,23 +340,29 @@ void CompositorHelper::computeHmdPickRay(const glm::vec2& cursorPos, glm::vec3&
glm::mat4 CompositorHelper::getUiTransform() const {
glm::mat4 modelMat;
_modelTransform.getMatrix(modelMat);
return _currentCamera * glm::inverse(_currentDisplayPlugin->getHeadPose()) * modelMat;
return _sensorToWorldMatrix * modelMat;
}
//Finds the collision point of a world space ray
bool CompositorHelper::calculateRayUICollisionPoint(const glm::vec3& position, const glm::vec3& direction, glm::vec3& result) const {
auto UITransform = getUiTransform();
auto relativePosition4 = glm::inverse(UITransform) * vec4(position, 1);
auto relativePosition = vec3(relativePosition4) / relativePosition4.w;
auto relativeDirection = glm::inverse(glm::quat_cast(UITransform)) * direction;
glm::mat4 uiToWorld = getUiTransform();
glm::mat4 worldToUi = glm::inverse(uiToWorld);
glm::vec3 localPosition = transformPoint(worldToUi, position);
glm::vec3 localDirection = glm::normalize(transformVectorFast(worldToUi, direction));
const float UI_RADIUS = 1.0f; // * myAvatar->getUniformScale(); // FIXME - how do we want to handle avatar scale
const float UI_RADIUS = 1.0f;
float instersectionDistance;
if (raySphereIntersect(relativeDirection, relativePosition, UI_RADIUS, &instersectionDistance)){
result = position + glm::normalize(direction) * instersectionDistance;
if (raySphereIntersect(localDirection, localPosition, UI_RADIUS, &instersectionDistance)) {
result = transformPoint(uiToWorld, localPosition + localDirection * instersectionDistance);
#ifdef WANT_DEBUG
DebugDraw::getInstance().drawRay(position, result, glm::vec4(0.0f, 1.0f, 0.0f, 1.0f));
#endif
return true;
} else {
#ifdef WANT_DEBUG
DebugDraw::getInstance().drawRay(position, position + (direction * 1000.0f), glm::vec4(1.0f, 0.0f, 0.0f, 1.0f));
#endif
}
return false;
}

6
libraries/display-plugins/src/display-plugins/CompositorHelper.h
View file

@ -109,7 +109,10 @@ public:
void setReticleOverDesktop(bool value) { _isOverDesktop = value; }
void setDisplayPlugin(const DisplayPluginPointer& displayPlugin) { _currentDisplayPlugin = displayPlugin; }
void setFrameInfo(uint32_t frame, const glm::mat4& camera) { _currentCamera = camera; }
void setFrameInfo(uint32_t frame, const glm::mat4& camera, const glm::mat4& sensorToWorldMatrix) {
_currentCamera = camera;
_sensorToWorldMatrix = sensorToWorldMatrix;
}
signals:
void allowMouseCaptureChanged();
@ -124,6 +127,7 @@ private:
DisplayPluginPointer _currentDisplayPlugin;
glm::mat4 _currentCamera;
glm::mat4 _sensorToWorldMatrix;
QWidget* _renderingWidget{ nullptr };
//// Support for hovering and tooltips