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Merge commit 'a6164ca2cd3f573fd7735c3825568b1e25b12c2b' into puvvadar/gitflow_211118_o3de

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puvvadar
2021-11-18 09:36:53 -08:00
parent d00a243b01 a6164ca2cd
commit 07e99650d0
8 changed files with 131 additions and 118 deletions
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Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.cpp
+40 -22
View File
@@ -94,27 +94,27 @@ namespace AzFramework
float y;
float z;
// 2.4 Factor as RzRyRx
if (orientation.GetElement(2, 0) < 1.0f)
// 2.5 Factor as RzRxRy
if (orientation.GetElement(2, 1) < 1.0f)
{
if (orientation.GetElement(2, 0) > -1.0f)
if (orientation.GetElement(2, 1) > -1.0f)
{
x = AZStd::atan2(orientation.GetElement(2, 1), orientation.GetElement(2, 2));
y = AZStd::asin(-orientation.GetElement(2, 0));
z = AZStd::atan2(orientation.GetElement(1, 0), orientation.GetElement(0, 0));
x = AZStd::asin(orientation.GetElement(2, 1));
y = AZStd::atan2(-orientation.GetElement(2, 0), orientation.GetElement(2, 2));
z = AZStd::atan2(-orientation.GetElement(0, 1), orientation.GetElement(1, 1));
}
else
{
x = 0.0f;
y = AZ::Constants::Pi * 0.5f;
z = -AZStd::atan2(-orientation.GetElement(2, 1), orientation.GetElement(1, 1));
x = -AZ::Constants::Pi * 0.5f;
y = 0.0f;
z = -AZStd::atan2(orientation.GetElement(0, 2), orientation.GetElement(0, 0));
}
}
else
{
x = 0.0f;
y = -AZ::Constants::Pi * 0.5f;
z = AZStd::atan2(-orientation.GetElement(1, 2), orientation.GetElement(1, 1));
x = AZ::Constants::Pi * 0.5f;
y = 0.0f;
z = AZStd::atan2(orientation.GetElement(0, 2), orientation.GetElement(0, 0));
}
return { x, y, z };
@@ -122,14 +122,36 @@ namespace AzFramework
void UpdateCameraFromTransform(Camera& camera, const AZ::Transform& transform)
{
const auto eulerAngles = AzFramework::EulerAngles(AZ::Matrix3x3::CreateFromTransform(transform));
UpdateCameraFromTranslationAndRotation(
camera, transform.GetTranslation(), AzFramework::EulerAngles(AZ::Matrix3x3::CreateFromTransform(transform)));
}
void UpdateCameraFromTranslationAndRotation(Camera& camera, const AZ::Vector3& translation, const AZ::Vector3& eulerAngles)
{
camera.m_pitch = eulerAngles.GetX();
camera.m_yaw = eulerAngles.GetZ();
camera.m_pivot = transform.GetTranslation();
camera.m_pivot = translation;
camera.m_offset = AZ::Vector3::CreateZero();
}
float SmoothValueTime(const float smoothness, float deltaTime)
{
// note: the math for the lerp smoothing implementation for camera rotation and translation was inspired by this excellent
// article by Scott Lembcke: https://www.gamasutra.com/blogs/ScottLembcke/20180404/316046/Improved_Lerp_Smoothing.php
const float rate = AZStd::exp2(smoothness);
return AZStd::exp2(-rate * deltaTime);
}
float SmoothValue(const float target, const float current, const float time)
{
return AZ::Lerp(target, current, time);
}
float SmoothValue(const float target, const float current, const float smoothness, const float deltaTime)
{
return SmoothValue(target, current, SmoothValueTime(smoothness, deltaTime));
}
bool CameraSystem::HandleEvents(const InputEvent& event)
{
if (const auto& cursor = AZStd::get_if<CursorEvent>(&event))
@@ -749,14 +771,11 @@ namespace AzFramework
}
Camera camera;
// note: the math for the lerp smoothing implementation for camera rotation and translation was inspired by this excellent
// article by Scott Lembcke: https://www.gamasutra.com/blogs/ScottLembcke/20180404/316046/Improved_Lerp_Smoothing.php
if (cameraProps.m_rotateSmoothingEnabledFn())
{
const float lookRate = AZStd::exp2(cameraProps.m_rotateSmoothnessFn());
const float lookTime = AZStd::exp2(-lookRate * deltaTime);
camera.m_pitch = AZ::Lerp(targetCamera.m_pitch, currentCamera.m_pitch, lookTime);
camera.m_yaw = AZ::Lerp(targetYaw, currentYaw, lookTime);
const float lookTime = SmoothValueTime(cameraProps.m_rotateSmoothnessFn(), deltaTime);
camera.m_pitch = SmoothValue(targetCamera.m_pitch, currentCamera.m_pitch, lookTime);
camera.m_yaw = SmoothValue(targetYaw, currentYaw, lookTime);
}
else
{
@@ -766,8 +785,7 @@ namespace AzFramework
if (cameraProps.m_translateSmoothingEnabledFn())
{
const float moveRate = AZStd::exp2(cameraProps.m_translateSmoothnessFn());
const float moveTime = AZStd::exp2(-moveRate * deltaTime);
const float moveTime = SmoothValueTime(cameraProps.m_rotateSmoothnessFn(), deltaTime);
camera.m_pivot = targetCamera.m_pivot.Lerp(currentCamera.m_pivot, moveTime);
camera.m_offset = targetCamera.m_offset.Lerp(currentCamera.m_offset, moveTime);
}
Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.h
+13
View File
@@ -85,6 +85,19 @@ namespace AzFramework
//! Extracts Euler angles (orientation) and translation from the transform and writes the values to the camera.
void UpdateCameraFromTransform(Camera& camera, const AZ::Transform& transform);
//! Writes the translation value and Euler angles to the camera.
void UpdateCameraFromTranslationAndRotation(Camera& camera, const AZ::Vector3& translation, const AZ::Vector3& eulerAngles);
//! Returns the time ('t') input value to use with SmoothValue.
//! Useful if it is to be reused for multiple calls to SmoothValue.
float SmoothValueTime(float smoothness, float deltaTime);
// Smoothly interpolate a value from current to target according to a smoothing parameter.
float SmoothValue(float target, float current, float smoothness, float deltaTime);
// Overload of SmoothValue that takes time ('t') value directly.
float SmoothValue(float target, float current, float time);
//! Generic motion type.
template<typename MotionTag>
struct MotionEvent