public static void DrawCameraBounds(LeiaCamera controller, GizmoType gizmoType)
{
#if UNITY_4_6 || UNITY_4_7 || UNITY_5_0_0 || UNITY_5_0_1
GizmoType notSelected = GizmoType.NotSelected;
#elif UNITY_5_0_2 || UNITY_5_0_3 || UNITY_5_0_4
GizmoType notSelected = GizmoType.NotInSelectionHierarchy;
#else
GizmoType notSelected = GizmoType.NonSelected;
#endif
if ((gizmoType & notSelected) != 0 && controller.DrawCameraBounds == false)
{
return;
}
var camera = controller.GetComponent <Camera>();
if (camera == null)
{
return;
}
DisplayConfig displayConfig;
if (Application.isPlaying)
{
displayConfig = LeiaDisplay.Instance.GetDisplayConfig();
}
else
{
displayConfig = Object.FindObjectOfType <LeiaDisplay>().GetDisplayConfig();
}
LeiaCameraData leiaCameraData = LeiaCameraUtils.ComputeLeiaCamera(
camera,
controller.ConvergenceDistance,
controller.BaselineScaling,
displayConfig);
LeiaBoundsData leiaBoundsData = LeiaCameraUtils.ComputeLeiaBounds(camera, leiaCameraData, controller.ConvergenceDistance, controller.CameraShift, displayConfig);
if (((gizmoType & notSelected) != 0 && controller.DrawCameraBounds) || (gizmoType & GizmoType.Selected) != 0)
{
// draw convergence plane in editor play mode
Handles.DrawSolidRectangleWithOutline(leiaBoundsData.screen, _leiaScreenPlaneColor, _leiaScreenWireColor);
}
if (((gizmoType & notSelected) != 0 && controller.DrawCameraBounds) || (gizmoType & GizmoType.Selected) != 0)
{
// draw frustum outline in white
Handles.DrawSolidRectangleWithOutline(leiaBoundsData.north, _leiaBoundsPlaneColor, _leiaBoundsWireColor);
Handles.DrawSolidRectangleWithOutline(leiaBoundsData.south, _leiaBoundsPlaneColor, _leiaBoundsWireColor);
Handles.DrawSolidRectangleWithOutline(leiaBoundsData.east, _leiaBoundsPlaneColor, _leiaBoundsWireColor);
Handles.DrawSolidRectangleWithOutline(leiaBoundsData.west, _leiaBoundsPlaneColor, _leiaBoundsWireColor);
Handles.DrawSolidRectangleWithOutline(leiaBoundsData.top, _leiaBoundsPlaneColor, _leiaBoundsWireColor);
Handles.DrawSolidRectangleWithOutline(leiaBoundsData.bottom, _leiaBoundsPlaneColor, _leiaBoundsWireColor);
}
}
public static LeiaCameraData ComputeLeiaCamera(Camera camera, float convergenceDistance, float baselineScaling, DisplayConfig displayConfig)
{
LeiaCameraData leiaCameraData = new LeiaCameraData();
displayConfig.UserOrientationIsLandscape = camera.pixelWidth > camera.pixelHeight;
float f = displayConfig.UserViewResolution.y / 2f / Mathf.Tan(camera.fieldOfView * Mathf.PI / 360f);
leiaCameraData.baseline = displayConfig.SystemDisparityPixels * baselineScaling * convergenceDistance / f;
leiaCameraData.screenHalfHeight = convergenceDistance * Mathf.Tan(camera.fieldOfView * Mathf.PI / 360.0f);
leiaCameraData.screenHalfWidth = camera.aspect * leiaCameraData.screenHalfHeight;
leiaCameraData.baselineScaling = baselineScaling;
return(leiaCameraData);
}
public static LeiaBoundsData ComputeLeiaBounds(Camera camera, LeiaCameraData leiaCamera, float convergenceDistance, Vector2 cameraShift, DisplayConfig displayConfig)
{
LeiaBoundsData leiaBounds = new LeiaBoundsData();
var localToWorldMatrix = camera.transform.localToWorldMatrix;
localToWorldMatrix.SetColumn(0, localToWorldMatrix.GetColumn(0).normalized);
localToWorldMatrix.SetColumn(1, localToWorldMatrix.GetColumn(1).normalized);
localToWorldMatrix.SetColumn(2, localToWorldMatrix.GetColumn(2).normalized);
if (camera.orthographic)
{
// assumes baseline = (baseline scaling) * (width of view in world units) * (system disparity in pixels) * (convergence distance) / (view width in pixels)
float halfSizeY = camera.orthographicSize;
float halfSizeX = halfSizeY * camera.aspect;
Vector3 screenTopLeft = localToWorldMatrix.MultiplyPoint(new Vector3(-halfSizeX, halfSizeY, convergenceDistance));
Vector3 screenTopRight = localToWorldMatrix.MultiplyPoint(new Vector3(halfSizeX, halfSizeY, convergenceDistance));
Vector3 screenBottomLeft = localToWorldMatrix.MultiplyPoint(new Vector3(-halfSizeX, -halfSizeY, convergenceDistance));
Vector3 screenBottomRight = localToWorldMatrix.MultiplyPoint(new Vector3(halfSizeX, -halfSizeY, convergenceDistance));
float negativeSystemDisparityZ = convergenceDistance - 1.0f / leiaCamera.baselineScaling;
Vector3 nearTopLeft = localToWorldMatrix.MultiplyPoint(new Vector3(-halfSizeX, halfSizeY, negativeSystemDisparityZ));
Vector3 nearTopRight = localToWorldMatrix.MultiplyPoint(new Vector3(halfSizeX, halfSizeY, negativeSystemDisparityZ));
Vector3 nearBottomLeft = localToWorldMatrix.MultiplyPoint(new Vector3(-halfSizeX, -halfSizeY, negativeSystemDisparityZ));
Vector3 nearBottomRight = localToWorldMatrix.MultiplyPoint(new Vector3(halfSizeX, -halfSizeY, negativeSystemDisparityZ));
float positiveSystemDisparityZ = convergenceDistance + 1.0f / leiaCamera.baselineScaling;
Vector3 farTopLeft = localToWorldMatrix.MultiplyPoint(new Vector3(-halfSizeX, halfSizeY, positiveSystemDisparityZ));
Vector3 farTopRight = localToWorldMatrix.MultiplyPoint(new Vector3(halfSizeX, halfSizeY, positiveSystemDisparityZ));
Vector3 farBottomLeft = localToWorldMatrix.MultiplyPoint(new Vector3(-halfSizeX, -halfSizeY, positiveSystemDisparityZ));
Vector3 farBottomRight = localToWorldMatrix.MultiplyPoint(new Vector3(halfSizeX, -halfSizeY, positiveSystemDisparityZ));
leiaBounds.screen = new [] { screenTopLeft, screenTopRight, screenBottomRight, screenBottomLeft };
leiaBounds.south = new [] { nearTopLeft, nearTopRight, nearBottomRight, nearBottomLeft };
leiaBounds.north = new [] { farTopLeft, farTopRight, farBottomRight, farBottomLeft };
leiaBounds.top = new [] { nearTopLeft, nearTopRight, farTopRight, farTopLeft };
leiaBounds.bottom = new [] { nearBottomLeft, nearBottomRight, farBottomRight, farBottomLeft };
leiaBounds.east = new [] { nearTopRight, nearBottomRight, farBottomRight, farTopRight };
leiaBounds.west = new [] { nearTopLeft, nearBottomLeft, farBottomLeft, farTopLeft };
}
else
{
cameraShift = leiaCamera.baseline * cameraShift;
Vector3 screenTopLeft = localToWorldMatrix.MultiplyPoint(new Vector3(-leiaCamera.screenHalfWidth, leiaCamera.screenHalfHeight, convergenceDistance));
Vector3 screenTopRight = localToWorldMatrix.MultiplyPoint(new Vector3(leiaCamera.screenHalfWidth, leiaCamera.screenHalfHeight, convergenceDistance));
Vector3 screenBottomLeft = localToWorldMatrix.MultiplyPoint(new Vector3(-leiaCamera.screenHalfWidth, -leiaCamera.screenHalfHeight, convergenceDistance));
Vector3 screenBottomRight = localToWorldMatrix.MultiplyPoint(new Vector3(leiaCamera.screenHalfWidth, -leiaCamera.screenHalfHeight, convergenceDistance));
float nearPlaneZ = (leiaCamera.baselineScaling * convergenceDistance) / (leiaCamera.baselineScaling + 1f);
float nearRatio = nearPlaneZ / convergenceDistance;
float nearShiftRatio = 1f - nearRatio;
Bounds localNearPlaneBounds = new Bounds(
new Vector3(nearShiftRatio * cameraShift.x, nearShiftRatio * cameraShift.y, nearPlaneZ),
new Vector3(leiaCamera.screenHalfWidth * nearRatio * 2, leiaCamera.screenHalfHeight * nearRatio * 2, 0));
Vector3 nearTopLeft = localToWorldMatrix.MultiplyPoint(new Vector3(localNearPlaneBounds.min.x, localNearPlaneBounds.max.y, localNearPlaneBounds.center.z));
Vector3 nearTopRight = localToWorldMatrix.MultiplyPoint(new Vector3(localNearPlaneBounds.max.x, localNearPlaneBounds.max.y, localNearPlaneBounds.center.z));
Vector3 nearBottomLeft = localToWorldMatrix.MultiplyPoint(new Vector3(localNearPlaneBounds.min.x, localNearPlaneBounds.min.y, localNearPlaneBounds.center.z));
Vector3 nearBottomRight = localToWorldMatrix.MultiplyPoint(new Vector3(localNearPlaneBounds.max.x, localNearPlaneBounds.min.y, localNearPlaneBounds.center.z));
float farPlaneZ = (leiaCamera.baselineScaling * convergenceDistance) / (leiaCamera.baselineScaling - 1f);
farPlaneZ = 1f / Mathf.Max(1f / farPlaneZ, 1e-5f);
float farRatio = farPlaneZ / convergenceDistance;
float farShiftRatio = 1f - farRatio;
Bounds localFarPlaneBounds = new Bounds(
new Vector3(farShiftRatio * cameraShift.x, farShiftRatio * cameraShift.y, farPlaneZ),
new Vector3(leiaCamera.screenHalfWidth * farRatio * 2, leiaCamera.screenHalfHeight * farRatio * 2, 0));
Vector3 farTopLeft = localToWorldMatrix.MultiplyPoint(new Vector3(localFarPlaneBounds.min.x, localFarPlaneBounds.max.y, localFarPlaneBounds.center.z));
Vector3 farTopRight = localToWorldMatrix.MultiplyPoint(new Vector3(localFarPlaneBounds.max.x, localFarPlaneBounds.max.y, localFarPlaneBounds.center.z));
Vector3 farBottomLeft = localToWorldMatrix.MultiplyPoint(new Vector3(localFarPlaneBounds.min.x, localFarPlaneBounds.min.y, localFarPlaneBounds.center.z));
Vector3 farBottomRight = localToWorldMatrix.MultiplyPoint(new Vector3(localFarPlaneBounds.max.x, localFarPlaneBounds.min.y, localFarPlaneBounds.center.z));
leiaBounds.screen = new [] { screenTopLeft, screenTopRight, screenBottomRight, screenBottomLeft };
leiaBounds.south = new [] { nearTopLeft, nearTopRight, nearBottomRight, nearBottomLeft };
leiaBounds.north = new [] { farTopLeft, farTopRight, farBottomRight, farBottomLeft };
leiaBounds.top = new [] { nearTopLeft, nearTopRight, farTopRight, farTopLeft };
leiaBounds.bottom = new [] { nearBottomLeft, nearBottomRight, farBottomRight, farBottomLeft };
leiaBounds.east = new [] { nearTopRight, nearBottomRight, farBottomRight, farTopRight };
leiaBounds.west = new [] { nearTopLeft, nearBottomLeft, farBottomLeft, farTopLeft };
}
return(leiaBounds);
}
