Merge branch 'master' into feature/memory-allocations

# Conflicts:
#	include/openspace/scene/scenegraphnode.h
#	modules/imgui/include/gui.h
This commit is contained in:
Alexander Bock
2020-08-05 19:06:04 +02:00
29 changed files with 20 additions and 1547 deletions

View File

@@ -237,8 +237,7 @@ void RenderableTrailOrbit::update(const UpdateData& data) {
const glm::vec3 p = _translation->position({
{},
data.time,
Time(0.0),
false
Time(0.0)
});
_vertexArray[_primaryRenderInformation.first] = { p.x, p.y, p.z };
@@ -434,8 +433,7 @@ RenderableTrailOrbit::UpdateReport RenderableTrailOrbit::updateTrails(
const glm::vec3 p = _translation->position({
{},
Time(_lastPointTime),
Time(0.0),
false
Time(0.0)
});
_vertexArray[_primaryRenderInformation.first] = { p.x, p.y, p.z };
@@ -474,8 +472,7 @@ RenderableTrailOrbit::UpdateReport RenderableTrailOrbit::updateTrails(
const glm::vec3 p = _translation->position({
{},
Time(_firstPointTime),
Time(0.0),
false
Time(0.0)
});
_vertexArray[_primaryRenderInformation.first] = { p.x, p.y, p.z };
@@ -517,7 +514,7 @@ void RenderableTrailOrbit::fullSweep(double time) {
const double secondsPerPoint = _period / (_resolution - 1);
// starting at 1 because the first position is a floating current one
for (int i = 1; i < _resolution; ++i) {
const glm::vec3 p = _translation->position({ {}, Time(time), Time(0.0), false });
const glm::vec3 p = _translation->position({ {}, Time(time), Time(0.0) });
_vertexArray[i] = { p.x, p.y, p.z };
time -= secondsPerPoint;

View File

@@ -227,8 +227,7 @@ void RenderableTrailTrajectory::update(const UpdateData& data) {
const glm::vec3 p = _translation->position({
{},
Time(_start + i * totalSampleInterval),
Time(0.0),
false
Time(0.0)
});
_vertexArray[i] = { p.x, p.y, p.z };
}

View File

@@ -34,8 +34,6 @@
#include <openspace/documentation/documentation.h>
#include <openspace/documentation/verifier.h>
#include <openspace/engine/globals.h>
#include <openspace/performance/performancemanager.h>
#include <openspace/performance/performancemeasurement.h>
#include <openspace/rendering/renderengine.h>
#include <openspace/scene/scenegraphnode.h>
#include <openspace/scene/scene.h>

View File

@@ -350,7 +350,6 @@ RenderData ShadowComponent::begin(const RenderData& data) {
RenderData lightRenderData{
*_lightCamera,
data.time,
data.doPerformanceMeasurement,
data.renderBinMask,
data.modelTransform
};

View File

@@ -36,7 +36,6 @@ set(HEADER_FILES
${CMAKE_CURRENT_SOURCE_DIR}/include/guijoystickcomponent.h
${CMAKE_CURRENT_SOURCE_DIR}/include/guimemorycomponent.h
${CMAKE_CURRENT_SOURCE_DIR}/include/guimissioncomponent.h
${CMAKE_CURRENT_SOURCE_DIR}/include/guiperformancecomponent.h
${CMAKE_CURRENT_SOURCE_DIR}/include/guiparallelcomponent.h
${CMAKE_CURRENT_SOURCE_DIR}/include/guipropertycomponent.h
${CMAKE_CURRENT_SOURCE_DIR}/include/guishortcutscomponent.h
@@ -57,7 +56,6 @@ set(SOURCE_FILES
${CMAKE_CURRENT_SOURCE_DIR}/src/guijoystickcomponent.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/guimemorycomponent.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/guimissioncomponent.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/guiperformancecomponent.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/guiparallelcomponent.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/guipropertycomponent.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/guishortcutscomponent.cpp

View File

@@ -184,9 +184,7 @@ ImGUIModule::ImGUIModule() : OpenSpaceModule(Name) {
ZoneScopedN("ImGUI")
// A list of all the windows that can show up by themselves
if (gui.isEnabled() || gui._performance.isEnabled() ||
gui._sceneProperty.isEnabled())
{
if (gui.isEnabled() ||gui._sceneProperty.isEnabled()) {
return gui.keyCallback(key, mod, action);
}
else {
@@ -200,9 +198,7 @@ ImGUIModule::ImGUIModule() : OpenSpaceModule(Name) {
ZoneScopedN("ImGUI")
// A list of all the windows that can show up by themselves
if (gui.isEnabled() || gui._performance.isEnabled() ||
gui._sceneProperty.isEnabled())
{
if (gui.isEnabled() || gui._sceneProperty.isEnabled()) {
return gui.charCallback(codepoint, modifier);
}
else {
@@ -229,9 +225,7 @@ ImGUIModule::ImGUIModule() : OpenSpaceModule(Name) {
}
// A list of all the windows that can show up by themselves
if (gui.isEnabled() || gui._performance.isEnabled() ||
gui._sceneProperty.isEnabled())
{
if (gui.isEnabled() || gui._sceneProperty.isEnabled()) {
return gui.mouseButtonCallback(button, action);
}
else {
@@ -245,9 +239,7 @@ ImGUIModule::ImGUIModule() : OpenSpaceModule(Name) {
ZoneScopedN("ImGUI")
// A list of all the windows that can show up by themselves
if (gui.isEnabled() || gui._performance.isEnabled() ||
gui._sceneProperty.isEnabled())
{
if (gui.isEnabled() || gui._sceneProperty.isEnabled()) {
return gui.mouseWheelCallback(posY);
}
else {

View File

@@ -36,7 +36,6 @@
#include <modules/imgui/include/guimemorycomponent.h>
#include <modules/imgui/include/guimissioncomponent.h>
#include <modules/imgui/include/guiparallelcomponent.h>
#include <modules/imgui/include/guiperformancecomponent.h>
#include <modules/imgui/include/guipropertycomponent.h>
#include <modules/imgui/include/guishortcutscomponent.h>
#include <modules/imgui/include/guispacetimecomponent.h>
@@ -64,7 +63,7 @@ namespace openspace::gui {
namespace detail {
constexpr int nComponents() {
const int nRegularComponents = 17;
const int nRegularComponents = 16;
int totalComponents = nRegularComponents;
#ifdef OPENSPACE_MODULE_ISWA_ENABLED
@@ -107,7 +106,6 @@ public:
GuiFilePathComponent _filePath;
GuiAssetComponent _asset;
GuiGlobeBrowsingComponent _globeBrowsing;
GuiPerformanceComponent _performance;
GuiPropertyComponent _globalProperty;
GuiPropertyComponent _sceneProperty;
@@ -156,8 +154,6 @@ private:
&_joystick,
&_filePath,
&_performance,
&_help
};

View File

@@ -1,57 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2020 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __OPENSPACE_MODULE_IMGUI___GUIPERFORMANCECOMPONENT___H__
#define __OPENSPACE_MODULE_IMGUI___GUIPERFORMANCECOMPONENT___H__
#include <modules/imgui/include/guicomponent.h>
#include <openspace/properties/scalar/boolproperty.h>
#include <openspace/properties/scalar/intproperty.h>
#include <memory>
namespace ghoul { class SharedMemory; }
namespace openspace::gui {
class GuiPerformanceComponent : public GuiComponent {
public:
GuiPerformanceComponent();
~GuiPerformanceComponent();
void render() override;
protected:
std::unique_ptr<ghoul::SharedMemory> _performanceMemory;
properties::IntProperty _sortingSelection;
properties::BoolProperty _sceneGraphIsEnabled;
properties::BoolProperty _functionsIsEnabled;
properties::BoolProperty _outputLogs;
};
} // namespace openspace::gui
#endif // __OPENSPACE_MODULE_IMGUI___GUIPERFORMANCECOMPONENT___H__

View File

@@ -29,7 +29,6 @@
#include <openspace/engine/globals.h>
#include <openspace/engine/windowdelegate.h>
#include <openspace/mission/missionmanager.h>
#include <openspace/performance/performancemanager.h>
#include <openspace/scripting/scriptengine.h>
#include <ghoul/fmt.h>
#include <ghoul/filesystem/cachemanager.h>
@@ -443,12 +442,6 @@ void GUI::endFrame() {
ghoul::opengl::updateUniformLocations(*_program, _uniformCache, UniformNames);
}
_performance.setEnabled(global::performanceManager.isEnabled());
if (_performance.isEnabled()) {
_performance.render();
}
if (_isEnabled) {
render();
@@ -461,8 +454,7 @@ void GUI::endFrame() {
ImGui::Render();
const bool shouldRender = _performance.isEnabled() || _isEnabled;
if (!shouldRender) {
if (!_isEnabled) {
return;
}

View File

@@ -1,457 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2020 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <modules/imgui/include/guiperformancecomponent.h>
#include <modules/imgui/include/imgui_include.h>
#include <openspace/engine/globals.h>
#include <openspace/performance/performancelayout.h>
#include <openspace/performance/performancemanager.h>
#include <openspace/rendering/renderengine.h>
#include <ghoul/misc/sharedmemory.h>
#include <array>
#include <numeric>
namespace {
enum Sorting {
NoSorting = -1,
UpdateTranslation = 0,
UpdateRotation = 1,
UpdateScaling = 2,
UpdateRender = 3,
Render = 4,
Total = 5
};
constexpr openspace::properties::Property::PropertyInfo SortingSelectionInfo = {
"SortingSelection",
"Sorting",
"This value determines the sorting order of the performance measurements."
};
constexpr openspace::properties::Property::PropertyInfo SceneGraphEnabledInfo = {
"ShowSceneGraph",
"Show Scene Graph Measurements",
"If this value is enabled, the window showing the measurements for the scene "
"graph values is visible."
};
constexpr openspace::properties::Property::PropertyInfo FunctionsEnabledInfo = {
"ShowFunctions",
"Show Function Measurements",
"If this value is enabled, the window showing the measurements for the "
"individual functions is visible."
};
constexpr openspace::properties::Property::PropertyInfo OutputLogsInfo = {
"OutputLogs",
"Output Logs",
"" // @TODO Missing documentation
};
} // namespace
namespace openspace::gui {
GuiPerformanceComponent::GuiPerformanceComponent()
: GuiComponent("PerformanceComponent", "Performance Component")
, _sortingSelection(SortingSelectionInfo, -1, -1, 6)
, _sceneGraphIsEnabled(SceneGraphEnabledInfo, false)
, _functionsIsEnabled(FunctionsEnabledInfo, false)
, _outputLogs(OutputLogsInfo, false)
{
addProperty(_sortingSelection);
addProperty(_sceneGraphIsEnabled);
addProperty(_functionsIsEnabled);
addProperty(_outputLogs);
}
GuiPerformanceComponent::~GuiPerformanceComponent() {} // NOLINT
void GuiPerformanceComponent::render() {
if (!global::performanceManager.isEnabled()) {
return;
}
using ghoul::SharedMemory;
using namespace performance;
ImGui::SetNextWindowCollapsed(_isCollapsed);
bool v = _isEnabled;
ImGui::Begin("Performance", &v);
_isEnabled = v;
_isCollapsed = ImGui::IsWindowCollapsed();
PerformanceLayout* layout = global::performanceManager.performanceData();
v = _sceneGraphIsEnabled;
ImGui::Checkbox("SceneGraph", &v);
_sceneGraphIsEnabled = v;
v = _functionsIsEnabled;
ImGui::Checkbox("Functions", &v);
_functionsIsEnabled = v;
v = _outputLogs;
ImGui::Checkbox("Output Logs", &v);
global::performanceManager.setLogging(v);
// Need to catch if it's unsuccessful
v = global::performanceManager.loggingEnabled();
_outputLogs = v;
ImGui::Spacing();
if (ImGui::Button("Reset measurements")) {
global::performanceManager.resetPerformanceMeasurements();
}
if (_sceneGraphIsEnabled) {
bool sge = _sceneGraphIsEnabled;
ImGui::Begin("SceneGraph", &sge);
_sceneGraphIsEnabled = sge;
// The indices correspond to the index into the average array further below
ImGui::Text("Sorting");
int sorting = _sortingSelection;
ImGui::RadioButton("No Sorting", &sorting, Sorting::NoSorting);
ImGui::RadioButton("UpdateTranslation", &sorting, Sorting::UpdateTranslation);
ImGui::RadioButton("UpdateRotation", &sorting, Sorting::UpdateRotation);
ImGui::RadioButton("UpdateScaling", &sorting, Sorting::UpdateScaling);
ImGui::RadioButton("UpdateRender", &sorting, Sorting::UpdateRender);
ImGui::RadioButton("RenderTime", &sorting, Sorting::Render);
ImGui::RadioButton("TotalTime", &sorting, Sorting::Total);
_sortingSelection = sorting;
// Later, we will sort this indices list instead of the real values for
// performance reasons
std::vector<size_t> indices(layout->nScaleGraphEntries);
std::iota(indices.begin(), indices.end(), 0);
// Ordering:
// updateTranslation
// updateRotation
// updateScaling
// UpdateRender
// RenderTime
std::vector<std::array<float, 5>> averages(
layout->nScaleGraphEntries,
{ 0.f, 0.f, 0.f, 0.f, 0.f }
);
std::vector<std::array<std::pair<float, float>, 5>> minMax(
layout->nScaleGraphEntries
);
for (int i = 0; i < layout->nScaleGraphEntries; ++i) {
const PerformanceLayout::SceneGraphPerformanceLayout& entry =
layout->sceneGraphEntries[i];
int nValues[5] = { 0, 0, 0, 0, 0 };
// Compute the averages and count the number of values so we don't divide
// by 0 later
for (int j = 0; j < PerformanceLayout::NumberValues; ++j) {
averages[i][0] += entry.updateTranslation[j];
if (entry.updateTranslation[j] != 0.f) {
++(nValues[0]);
}
averages[i][1] += entry.updateRotation[j];
if (entry.updateRotation[j] != 0.f) {
++(nValues[1]);
}
averages[i][2] += entry.updateScaling[j];
if (entry.updateScaling[j] != 0.f) {
++(nValues[2]);
}
averages[i][3] += entry.updateRenderable[j];
if (entry.updateRenderable[j] != 0.f) {
++(nValues[3]);
}
averages[i][4] += entry.renderTime[j];
if (entry.renderTime[j] != 0.f) {
++(nValues[4]);
}
}
if (nValues[0] != 0) {
averages[i][0] /= static_cast<float>(nValues[0]);
}
if (nValues[1] != 0) {
averages[i][1] /= static_cast<float>(nValues[1]);
}
if (nValues[2] != 0) {
averages[i][2] /= static_cast<float>(nValues[2]);
}
if (nValues[3] != 0) {
averages[i][3] /= static_cast<float>(nValues[3]);
}
if (nValues[4] != 0) {
averages[i][4] /= static_cast<float>(nValues[4]);
}
// Get the minimum/maximum values for each of the components so that we
// can scale the plot by these numbers
auto minmaxTranslation = std::minmax_element(
std::begin(entry.updateTranslation),
std::end(entry.updateTranslation)
);
minMax[i][0] = std::make_pair(
*(minmaxTranslation.first),
*(minmaxTranslation.second)
);
auto minmaxRotation = std::minmax_element(
std::begin(entry.updateRotation),
std::end(entry.updateRotation)
);
minMax[i][1] = std::make_pair(
*(minmaxRotation.first),
*(minmaxRotation.second)
);
auto minmaxScaling = std::minmax_element(
std::begin(entry.updateScaling),
std::end(entry.updateScaling)
);
minMax[i][2] = std::make_pair(
*(minmaxScaling.first),
*(minmaxScaling.second)
);
auto minmaxUpdateRenderable = std::minmax_element(
std::begin(entry.updateRenderable),
std::end(entry.updateRenderable)
);
minMax[i][3] = std::make_pair(
*(minmaxUpdateRenderable.first),
*(minmaxUpdateRenderable.second)
);
auto minmaxRendering = std::minmax_element(
std::begin(entry.renderTime),
std::end(entry.renderTime)
);
minMax[i][4] = std::make_pair(
*(minmaxRendering.first),
*(minmaxRendering.second)
);
}
// If we don't want to sort, we will leave the indices list alone, thus
// leaving them in the regular ordering
Sorting selection = Sorting(sorting);
if (selection != Sorting::NoSorting) {
std::function<bool(size_t, size_t)> sortFunc;
if (selection == Sorting::Total) {
// If we do want to sort totally, we need to sum all the averages and
// use that as the criterion
sortFunc = [&averages](size_t a, size_t b) {
const float sumA = std::accumulate(
std::begin(averages[a]),
std::end(averages[a]),
0.f
);
const float sumB = std::accumulate(
std::begin(averages[b]),
std::end(averages[b]),
0.f
);
return sumA > sumB;
};
}
else {
// otherwise we use the sorting index
sortFunc = [sel = _sortingSelection, &averages](size_t a, size_t b) {
return averages[a][sel] > averages[b][sel];
};
}
std::sort(indices.begin(), indices.end(), sortFunc);
}
else {
// NoSorting -> So we sort by names instead
std::sort(
indices.begin(),
indices.end(),
[layout](size_t a, size_t b) {
return std::string(layout->sceneGraphEntries[a].name) <
std::string(layout->sceneGraphEntries[b].name);
}
);
}
for (int i = 0; i < layout->nScaleGraphEntries; ++i) {
// We are using the indices list as an additional level of indirection
// into the respective values so that the list will be sorted by whatever
// criterion we selected previously
const PerformanceLayout::SceneGraphPerformanceLayout& entry =
layout->sceneGraphEntries[indices[i]];
if (ImGui::CollapsingHeader(entry.name)) {
const std::string& updateTranslationTime = std::to_string(
entry.updateTranslation[PerformanceLayout::NumberValues - 1]
) + "us";
ImGui::PlotLines(
fmt::format(
"UpdateTranslation\nAverage: {}us",
averages[indices[i]][0]
).c_str(),
&entry.updateTranslation[0],
PerformanceLayout::NumberValues,
0,
updateTranslationTime.c_str(),
minMax[indices[i]][0].first,
minMax[indices[i]][0].second,
ImVec2(0, 40)
);
const std::string& updateRotationTime = std::to_string(
entry.updateRotation[PerformanceLayout::NumberValues - 1]
) + "us";
ImGui::PlotLines(
fmt::format(
"UpdateRotation\nAverage: {}us",
averages[indices[i]][1]
).c_str(),
&entry.updateRotation[0],
PerformanceLayout::NumberValues,
0,
updateRotationTime.c_str(),
minMax[indices[i]][1].first,
minMax[indices[i]][1].second,
ImVec2(0, 40)
);
const std::string& updateScalingTime = std::to_string(
entry.updateScaling[PerformanceLayout::NumberValues - 1]
) + "us";
ImGui::PlotLines(
fmt::format(
"UpdateScaling\nAverage: {}us",
averages[indices[i]][2]
).c_str(),
&entry.updateScaling[0],
PerformanceLayout::NumberValues,
0,
updateScalingTime.c_str(),
minMax[indices[i]][2].first,
minMax[indices[i]][2].second,
ImVec2(0, 40)
);
const std::string& updateRenderableTime = std::to_string(
entry.updateRenderable[PerformanceLayout::NumberValues - 1]
) + "us";
ImGui::PlotLines(
fmt::format(
"UpdateRender\nAverage: {}us",
averages[indices[i]][3]
).c_str(),
&entry.updateRenderable[0],
PerformanceLayout::NumberValues,
0,
updateRenderableTime.c_str(),
minMax[indices[i]][3].first,
minMax[indices[i]][3].second,
ImVec2(0, 40)
);
const std::string& renderTime = std::to_string(
entry.renderTime[PerformanceLayout::NumberValues - 1]
) + "us";
ImGui::PlotLines(
fmt::format(
"RenderTime\nAverage: {}us",
averages[indices[i]][4]
).c_str(),
&entry.renderTime[0],
PerformanceLayout::NumberValues,
0,
renderTime.c_str(),
minMax[indices[i]][4].first,
minMax[indices[i]][4].second,
ImVec2(0, 40)
);
}
}
ImGui::End();
}
if (_functionsIsEnabled) {
bool fe = _functionsIsEnabled;
ImGui::Begin("Functions", &fe);
_functionsIsEnabled = fe;
for (int i = 0; i < layout->nFunctionEntries; ++i) {
using namespace performance;
const PerformanceLayout::FunctionPerformanceLayout& entry =
layout->functionEntries[i];
float avg = 0.f;
int count = 0;
for (int j = 0; j < PerformanceLayout::NumberValues; ++j) {
avg += layout->functionEntries[i].time[j];
if (layout->functionEntries[i].time[j] != 0.f) {
++count;
}
}
if (count > 0) {
avg /= count;
}
auto minmax = std::minmax_element(
std::begin(layout->functionEntries[i].time),
std::end(layout->functionEntries[i].time)
);
const std::string& renderTime = std::to_string(
entry.time[PerformanceLayout::NumberValues - 1]
) + "us";
ImGui::PlotLines(
fmt::format("{}\nAverage: {}us", entry.name, avg).c_str(),
&entry.time[0],
PerformanceLayout::NumberValues,
0,
renderTime.c_str(),
*(minmax.first),
*(minmax.second),
ImVec2(0, 40)
);
}
ImGui::End();
}
ImGui::End();
}
} // namespace openspace::gui

View File

@@ -546,8 +546,7 @@ void RenderableOrbitalKepler::updateBuffers() {
glm::dvec3 position = _keplerTranslator.position({
{},
Time(timeOffset + orbit.epoch),
Time(0.0),
false
Time(0.0)
});
_vertexBufferData[vertexBufIdx].x = static_cast<float>(position.x);