public XZGridCell(XZGridCell source)
{
_xIndex = source._xIndex;
_zIndex = source._zIndex;
_parentGrid = source._parentGrid;
_quad = source.Quad;
}
public XZGridCell(int xIndex, int zIndex, XZGrid parentGrid, XZOrientedQuad3D orientedQuad)
{
_xIndex = xIndex;
_zIndex = zIndex;
_parentGrid = parentGrid;
_quad = orientedQuad;
}
private void RenderXZGridRotationField()
{
XZGrid xzGrid = ObjectSnapping.Get().XZSnapGrid;
Vector3 currentRotation = xzGrid.Rotation.eulerAngles;
Vector3 newVector = EditorGUILayout.Vector3Field(GetContentForXZGridRotationField(), currentRotation);
if (newVector != currentRotation)
{
UndoEx.RecordForToolAction(xzGrid);
xzGrid.SetRotation(Quaternion.Euler(newVector));
SceneView.RepaintAll();
}
}
public void RenderGizmos(XZGrid grid, CameraViewVolume cameraViewVolume)
{
if (!grid.RenderSettings.IsVisible)
{
return;
}
// Note: Can not figure out how to render a finite grid inside a shader yet... :D
if (grid.DimensionSettings.DimensionType == XZGridDimensionType.Finite)
{
RenderGizmos_Obsolete(grid, cameraViewVolume);
return;
}
Plane gridPlane = grid.Plane;
Vector3 gridPlaneCenter = gridPlane.ProjectPoint(SceneViewCamera.Camera.transform.position);
Box camVolumeAABB = cameraViewVolume.WorldSpaceAABB;
List <Vector3> projectedVolumeAABBPts = gridPlane.ProjectAllPoints(camVolumeAABB.GetCornerPoints());
List <Vector3> modelSpacePrjPts = Vector3Extensions.GetTransformedPoints(projectedVolumeAABBPts, grid.TransformMatrix.ToMatrix4x4x.inverse);
Box modelSpacePtsBox = Box.FromPoints(modelSpacePrjPts);
Vector3 gridPlaneSize = modelSpacePtsBox.Size;
Matrix4x4 planeTransformMatrix = Matrix4x4.TRS(gridPlaneCenter, grid.Rotation, gridPlaneSize);
Material xzGridMaterial = MaterialPool.Get().XZGridMaterial;
xzGridMaterial.SetFloat("_CellSizeX", grid.CellSizeSettings.CellSizeX);
xzGridMaterial.SetFloat("_CellSizeZ", grid.CellSizeSettings.CellSizeZ);
xzGridMaterial.SetVector("_CellOffset", grid.GetOriginPosition());
xzGridMaterial.SetColor("_LineColor", grid.RenderSettings.CellLineColor);
xzGridMaterial.SetColor("_PlaneColor", grid.RenderSettings.PlaneColor);
xzGridMaterial.SetFloat("_CamFarPlaneDist", SceneViewCamera.Camera.farClipPlane);
xzGridMaterial.SetVector("_CamWorldPos", SceneViewCamera.Camera.transform.position);
xzGridMaterial.SetMatrix("_InvRotMatrix", Matrix4x4.TRS(Vector3.zero, grid.Rotation, Vector3.one).inverse);
xzGridMaterial.SetMatrix("_PlaneTransformMtx", planeTransformMatrix);
int numPasses = xzGridMaterial.passCount;
for (int passIndex = 0; passIndex < numPasses; ++passIndex)
{
xzGridMaterial.SetPass(passIndex);
Graphics.DrawMeshNow(GizmosEx.XZRectangleMesh, planeTransformMatrix);
}
GizmosMatrix.Push(grid.TransformMatrix.ToMatrix4x4x);
grid.RenderableCoordinateSystem.RenderGizmos();
GizmosMatrix.Pop();
}
private void RenderGizmos_Obsolete(XZGrid grid, CameraViewVolume cameraViewVolume)
{
if (!grid.RenderSettings.IsVisible)
{
return;
}
var visibleCellRangeCalculator = new XZVisibleGridCellRangeCalculator();
XZVisibleGridCellRange visibleCellRange = visibleCellRangeCalculator.Calculate(grid, cameraViewVolume);
GizmosMatrix.Push(grid.TransformMatrix.ToMatrix4x4x);
RenderGridPlane_Obsolete(grid, visibleCellRange);
RenderGridCellLines_Obsolete(grid, visibleCellRange);
grid.RenderableCoordinateSystem.RenderGizmos();
GizmosMatrix.Pop();
}
public GridCellRayHit GetGridCellRayHit()
{
Ray ray = GetWorldRay();
float minT;
XZGrid closestSnapGrid = GetClosestHitSnapGridAndMinT(ObjectSnapping.Get().GetAllSnapGrids(), ray, out minT);
if (closestSnapGrid != null)
{
return(GetGridCellHit(closestSnapGrid, ray, minT));
}
else
{
return(null);
}
}
private void RenderGridCellLines_Obsolete(XZGrid grid, XZVisibleGridCellRange visibleCellRange)
{
int minCellIndexX = visibleCellRange.XAxisVisibleCellRange.Min;
int maxCellIndexX = visibleCellRange.XAxisVisibleCellRange.Max;
float numberOfCellsOnX = maxCellIndexX - minCellIndexX + 1.0f;
int minCellIndexZ = visibleCellRange.ZAxisVisibleCellRange.Min;
int maxCellIndexZ = visibleCellRange.ZAxisVisibleCellRange.Max;
float numberOfCellsOnZ = maxCellIndexZ - minCellIndexZ + 1.0f;
XZGridCellSizeSettings gridCellSizeSettings = grid.CellSizeSettings;
XZGridRenderSettings gridRenderSettings = grid.RenderSettings;
Vector3 startPointOnX, startPointOnZ;
Vector3 lineCubeSize = Vector3.zero;
// Render the grid lines which extend along the grid's X axis
GizmosColor.Push(grid.RenderSettings.CellLineColor);
startPointOnX = grid.GetCellHrzStart(minCellIndexX);
lineCubeSize.z = gridRenderSettings.CellLineThickness;
int maxLineIndex = maxCellIndexZ + 1;
for (int lineIndex = minCellIndexZ; lineIndex <= maxLineIndex; ++lineIndex)
{
startPointOnZ = grid.GetCellDepthStart(lineIndex);
Vector3 firstPoint = startPointOnX + startPointOnZ;
Vector3 secondPoint = firstPoint + XZGrid.ModelSpaceRightAxis * (numberOfCellsOnX * gridCellSizeSettings.CellSizeX);
lineCubeSize.x = (firstPoint - secondPoint).magnitude + gridRenderSettings.CellLineThickness;
Gizmos.DrawCube((firstPoint + secondPoint) * 0.5f, lineCubeSize);
}
// Render the grid lines which extend along the grid's Z axis
startPointOnZ = grid.GetCellDepthStart(minCellIndexZ);
lineCubeSize.x = gridRenderSettings.CellLineThickness;
maxLineIndex = maxCellIndexX + 1;
for (int lineIndex = minCellIndexX; lineIndex <= maxLineIndex; ++lineIndex)
{
startPointOnX = grid.GetCellHrzStart(lineIndex);
Vector3 firstPoint = startPointOnX + startPointOnZ;
Vector3 secondPoint = firstPoint + XZGrid.ModelSpaceLookAxis * (numberOfCellsOnZ * gridCellSizeSettings.CellSizeZ);
lineCubeSize.z = (firstPoint - secondPoint).magnitude;
Gizmos.DrawCube((firstPoint + secondPoint) * 0.5f, lineCubeSize);
}
GizmosColor.Pop();
}
private XZGrid GetClosestHitSnapGridAndMinT(List <XZGrid> allSnapGrids, Ray ray, out float minT)
{
minT = float.MaxValue;
XZGrid closestSnapGrid = null;
foreach (XZGrid snapGrid in allSnapGrids)
{
float t;
if (snapGrid.Plane.Raycast(ray, out t) & t < minT)
{
minT = t;
closestSnapGrid = snapGrid;
}
}
return(closestSnapGrid);
}
private List <Vector3> GetGridPlaneIntersectionPointsWithVolumeRays(XZGrid grid, CameraViewVolume cameraViewVolume)
{
Plane gridPlane = grid.Plane;
Ray3D[] volumeRays = cameraViewVolume.WorldSpaceVolumeEdgeRays;
float t;
var intersectionPoints = new List <Vector3>();
foreach (Ray3D ray in volumeRays)
{
if (ray.IntersectsPlane(gridPlane, out t))
{
intersectionPoints.Add(ray.Origin + ray.Direction * t);
}
}
return(intersectionPoints);
}
private void RenderGridPlane_Obsolete(XZGrid grid, XZVisibleGridCellRange visibleCellRange)
{
int minCellIndexX = visibleCellRange.XAxisVisibleCellRange.Min;
int maxCellIndexX = visibleCellRange.XAxisVisibleCellRange.Max;
int minCellIndexZ = visibleCellRange.ZAxisVisibleCellRange.Min;
int maxCellIndexZ = visibleCellRange.ZAxisVisibleCellRange.Max;
float numberOfCellsOnX = maxCellIndexX - minCellIndexX + 1.0f;
float numberOfCellsOnZ = maxCellIndexZ - minCellIndexZ + 1.0f;
XZGridCellSizeSettings gridCellSizeSettings = grid.CellSizeSettings;
Vector3 planeCenter = (grid.GetCellHrzStart(minCellIndexX) + grid.GetCellDepthStart(minCellIndexZ) +
grid.GetCellHrzStart(maxCellIndexX + 1) + grid.GetCellDepthStart(maxCellIndexZ + 1)) * 0.5f;
Vector3 planeSize = new Vector3(numberOfCellsOnX * gridCellSizeSettings.CellSizeX, 0.0f, numberOfCellsOnZ * gridCellSizeSettings.CellSizeZ);
GizmosColor.Push(grid.RenderSettings.PlaneColor);
Gizmos.DrawCube(planeCenter, planeSize);
GizmosColor.Pop();
}
public XZVisibleGridCellRange Calculate(XZGrid grid, CameraViewVolume cameraViewVolume)
{
List <Vector3> gridPlaneIntersectionPoints = GetGridPlaneIntersectionPointsWithVolumeRays(grid, cameraViewVolume);
return(CalculateVisibleCellRangeFromGridPlaneIntersectionPoints(grid, gridPlaneIntersectionPoints));
}
private XZVisibleGridCellRange CalculateVisibleCellRangeFromGridCells(XZGrid grid, List <XZGridCell> gridCells)
{
int minCellIndexX = int.MaxValue;
int maxCellIndexX = int.MinValue;
int minCellIndexZ = int.MaxValue;
int maxCellIndexZ = int.MinValue;
foreach (XZGridCell cell in gridCells)
{
if (cell.XIndex < minCellIndexX)
{
minCellIndexX = cell.XIndex;
}
if (cell.XIndex > maxCellIndexX)
{
maxCellIndexX = cell.XIndex;
}
if (cell.ZIndex < minCellIndexZ)
{
minCellIndexZ = cell.ZIndex;
}
if (cell.ZIndex > maxCellIndexZ)
{
maxCellIndexZ = cell.ZIndex;
}
}
XZGridDimensionSettings gridDimensionSettings = grid.DimensionSettings;
if (gridDimensionSettings.DimensionType == XZGridDimensionType.Finite)
{
XZGridFiniteDimensionSettings gridFiniteDimensionSettings = grid.DimensionSettings.FiniteDimensionSettings;
if (minCellIndexX < gridFiniteDimensionSettings.XAxisCellIndexRange.Min)
{
minCellIndexX = gridFiniteDimensionSettings.XAxisCellIndexRange.Min;
}
if (maxCellIndexX > gridFiniteDimensionSettings.XAxisCellIndexRange.Max)
{
maxCellIndexX = gridFiniteDimensionSettings.XAxisCellIndexRange.Max;
}
if (minCellIndexZ < gridFiniteDimensionSettings.ZAxisCellIndexRange.Min)
{
minCellIndexZ = gridFiniteDimensionSettings.ZAxisCellIndexRange.Min;
}
if (maxCellIndexZ > gridFiniteDimensionSettings.ZAxisCellIndexRange.Max)
{
maxCellIndexZ = gridFiniteDimensionSettings.ZAxisCellIndexRange.Max;
}
if (minCellIndexX > maxCellIndexX)
{
minCellIndexX = maxCellIndexX;
}
if (minCellIndexZ > maxCellIndexZ)
{
minCellIndexZ = maxCellIndexZ;
}
}
var visibleCellRange = new XZVisibleGridCellRange();
visibleCellRange.XAxisVisibleCellRange.Min = minCellIndexX;
visibleCellRange.XAxisVisibleCellRange.Max = maxCellIndexX;
visibleCellRange.ZAxisVisibleCellRange.Min = minCellIndexZ;
visibleCellRange.ZAxisVisibleCellRange.Max = maxCellIndexZ;
return(visibleCellRange);
}
private XZVisibleGridCellRange CalculateVisibleCellRangeFromGridPlaneIntersectionPoints(XZGrid grid, List <Vector3> gridPlaneIntersectionPoints)
{
if (gridPlaneIntersectionPoints.Count == 0)
{
new XZVisibleGridCellRange();
}
List <XZGridCell> gridCellsFromIntersectionPoints = grid.GetCellsFromPoints(gridPlaneIntersectionPoints);
return(CalculateVisibleCellRangeFromGridCells(grid, gridCellsFromIntersectionPoints));
}
private GridCellRayHit GetGridCellHit(XZGrid hitGrid, Ray ray, float t)
{
XZGridCell hitGridCell = hitGrid.GetCellFromPoint(ray.GetPoint(t));
return(new GridCellRayHit(ray, t, hitGridCell));
}