void Start()
{
_hmd = HmdParameters.Instance;
_mesh = MeshParameters.Instance;
UpdateControls();
InterlensDistanceSlider.onValueChanged.AddListener((val) => _hmd.InterlensDistance = 0.001f * val);
ScreenToLensDistSlider.onValueChanged.AddListener((val) => _hmd.ScreenToLensDist = 0.001f * val);
EyeOffsetYSlider.onValueChanged.AddListener((val) => _hmd.EyeOffsetY = 0.001f * val);
DistortionK1Slider.onValueChanged.AddListener((val) => _hmd.DistortionK1 = val);
DistortionK2Slider.onValueChanged.AddListener((val) => _hmd.DistortionK2 = val);
FovLeftSlider.onValueChanged.AddListener((val) => _hmd.MaxFovAngles = new Fov(val, _hmd.MaxFovAngles.Right, _hmd.MaxFovAngles.Bottom, _hmd.MaxFovAngles.Top));
FovRightSlider.onValueChanged.AddListener((val) => _hmd.MaxFovAngles = new Fov(_hmd.MaxFovAngles.Left, val, _hmd.MaxFovAngles.Bottom, _hmd.MaxFovAngles.Top));
FovTopSlider.onValueChanged.AddListener((val) => _hmd.MaxFovAngles = new Fov(_hmd.MaxFovAngles.Left, _hmd.MaxFovAngles.Right, _hmd.MaxFovAngles.Bottom, val));
FovBottomSlider.onValueChanged.AddListener((val) => _hmd.MaxFovAngles = new Fov(_hmd.MaxFovAngles.Left, _hmd.MaxFovAngles.Right, val, _hmd.MaxFovAngles.Top));
MeshHorizontalSegmentsSlider.onValueChanged.AddListener((val) => _mesh.SegmentWidth = (int)val);
MeshVerticalSegmentsSlider.onValueChanged.AddListener((val) => _mesh.SegmentHeight = (int)val);
GridToggle.onValueChanged.AddListener((val) => GridCm.SetActive(val));
RestoreDefaultsButton.onClick.AddListener(RestoreDefaultSettings);
LoadButton.onClick.AddListener(LoadSettings);
SaveButton.onClick.AddListener(SaveSettings);
}
void UpdateViewAndMaterialParameters(HmdParameters hmd, DisplayParameters display)
{
Distortion distortion = new Distortion(hmd.DistortionK1, hmd.DistortionK2);
distortion.DistortionK1 = hmd.DistortionK1;
distortion.DistortionK2 = hmd.DistortionK2;
float zNear = _camWorldLeft.nearClipPlane;
float zFar = _camWorldLeft.farClipPlane;
Fov displayDistancesLeft = Calculator.GetFovDistancesLeft(display, hmd);
// То, как должен видеть левый глаз свой кусок экрана. Без линзы. C учётом только размеров дисплея
Fov fovDisplayTanAngles = displayDistancesLeft / hmd.ScreenToLensDist;
// FoV шлема
Fov hmdMaxFovTanAngles = Fov.AnglesToTanAngles(hmd.MaxFovAngles);
// То, как должен видеть левый глаз свой кусок экрана. Без линзы. C учётом размеров дисплея и FoV шлема
Fov fovEyeTanAglesLeft = Fov.Min(fovDisplayTanAngles, hmdMaxFovTanAngles);
// То, как должен видеть левый глаз. Мнимое изображение (после увеличения идеальной линзой без искажений). С широким углом. Именно так надо снять сцену
Fov fovWorldTanAnglesLeft = Calculator.DistortTanAngles(fovEyeTanAglesLeft, distortion);
Matrix4x4 projWorldLeft;
Matrix4x4 projWorldRight;
Calculator.ComposeProjectionMatricesFromFovTanAngles(fovWorldTanAnglesLeft, zNear, zFar, out projWorldLeft, out projWorldRight);
Matrix4x4 projEyeLeft;
Matrix4x4 projEyeRight;
Calculator.ComposeProjectionMatricesFromFovTanAngles(fovDisplayTanAngles, zNear, zFar, out projEyeLeft, out projEyeRight);
_camWorldLeft.transform.localPosition = 0.5f * Vector3.left * hmd.InterlensDistance;
_camWorldRight.transform.localPosition = 0.5f * Vector3.right * hmd.InterlensDistance;
_camEyeLeft.transform.localPosition = 0.5f * Vector3.left * hmd.InterlensDistance;
_camEyeRight.transform.localPosition = 0.5f * Vector3.right * hmd.InterlensDistance;
_camWorldLeft.projectionMatrix = projWorldLeft;
_camWorldRight.projectionMatrix = projWorldRight;
_camWorldLeftScaler.SetFov(fovWorldTanAnglesLeft);
_camWorldRightScaler.SetFov(fovWorldTanAnglesLeft.GetFlippedHorizontally());
_camEyeLeft.projectionMatrix = projEyeLeft;
_camEyeRight.projectionMatrix = projEyeRight;
EyeMaterialLeft.SetFloat("_DistortionK1", hmd.DistortionK1);
EyeMaterialRight.SetFloat("_DistortionK1", hmd.DistortionK1);
EyeMaterialLeft.SetFloat("_DistortionK2", hmd.DistortionK2);
EyeMaterialRight.SetFloat("_DistortionK2", hmd.DistortionK2);
}
private void OnGUI()
{
HmdParameters hmd = HmdParameters.Instance;
MeshParameters mesh = MeshParameters.Instance;
EditorGUILayout.BeginVertical("box");
EditorGUILayout.LabelField("HMD Settings");
hmd.DistortionK1 = EditorGUILayout.Slider("DistortionK1", hmd.DistortionK1, 0f, 2f, GUILayout.ExpandWidth(true));
hmd.DistortionK2 = EditorGUILayout.Slider("DistortionK2", hmd.DistortionK2, 0f, 2f, GUILayout.ExpandWidth(true));
hmd.InterlensDistance = EditorGUILayout.Slider("InterlensDistance", hmd.InterlensDistance, 0f, 0.2f, GUILayout.ExpandWidth(true));
hmd.ScreenToLensDist = EditorGUILayout.Slider("ScreenToLensDist", hmd.ScreenToLensDist, 0.01f, 0.2f, GUILayout.ExpandWidth(true));
hmd.EyeOffsetY = EditorGUILayout.Slider("EyeOffsetY", hmd.EyeOffsetY, 0f, 0.2f, GUILayout.ExpandWidth(true));
EditorGUILayout.BeginVertical("box");
EditorGUILayout.LabelField("FoV");
float fovLeft = EditorGUILayout.Slider("Left", hmd.MaxFovAngles.Left, 0f, 89f, GUILayout.ExpandWidth(true));
float fovRight = EditorGUILayout.Slider("Right", hmd.MaxFovAngles.Right, 0f, 89f, GUILayout.ExpandWidth(true));
float fovTop = EditorGUILayout.Slider("Top", hmd.MaxFovAngles.Top, 0f, 89f, GUILayout.ExpandWidth(true));
float fovBottom = EditorGUILayout.Slider("Bottom", hmd.MaxFovAngles.Bottom, 0f, 89f, GUILayout.ExpandWidth(true));
hmd.MaxFovAngles = new Fov(fovLeft, fovRight, fovBottom, fovTop);
EditorGUILayout.EndVertical();
EditorGUILayout.EndVertical();
EditorGUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Mesh Settings");
mesh.SegmentWidth = EditorGUILayout.IntSlider("SegmentWidth", mesh.SegmentWidth, 1, 16, GUILayout.ExpandWidth(true));
mesh.SegmentHeight = EditorGUILayout.IntSlider("SegmentHeight", mesh.SegmentHeight, 1, 16, GUILayout.ExpandWidth(true));
EditorGUILayout.EndVertical();
if (GUILayout.Button("Restore defaults", GUILayout.ExpandWidth(false)))
{
hmd.LoadDefaults();
mesh.LoadDefaults();
}
}
void OnHmdParamsChanged(HmdParameters hmd)
{
_hmdParamsDirty = true;
}
