public Bounds GetVisualBounds()
{
var transform = Transform.Value;
var pos = transform.Position;
var rot = transform.Rotation;
var bounds = new Bounds(pos);
double aspectRatio = AspectRatio;
if (aspectRatio == 0)
{
aspectRatio = 1;
}
double halfWidth;
double halfHeight;
if (Projection.Value == ProjectionType.Perspective)
{
double tan = Math.Tan(FieldOfView.Value.InRadians() / 2);
halfWidth = tan * FarClipPlane.Value * aspectRatio;
halfHeight = tan * FarClipPlane.Value;
}
else
{
halfWidth = Height * .5 * aspectRatio;
halfHeight = Height * .5;
}
var frustum = new Frustum(true, Projection.Value, pos, rot, NearClipPlane.Value, FarClipPlane.Value, halfWidth, halfHeight);
var frustumPoints = frustum.Points;
switch (Projection.Value)
{
case ProjectionType.Perspective:
{
var points = new Vector3[8];
{
for (int n = 4; n < 8; n++)
{
double distance = GetVisualLength();
var dir = (frustumPoints[n] - pos).GetNormalize() * distance;
var p = pos + dir * distance;
points[n] = p;
}
}
for (int n = 4; n < 8; n++)
{
bounds.Add(points[n]);
}
}
break;
case ProjectionType.Orthographic:
{
//!!!!
}
break;
}
return(bounds);
}
static unsafe bool BoundsCullLocalFrustum(ref Bounds bounds, Frustum localFrustum, Vector3 *indexPoints, Vector3 *cornerVecs)
{
int index;
double dx, dy, dz;
dy = -localFrustum._axis.Item1.X;
dz = -localFrustum._axis.Item2.X;
index = (FLOATSIGNBITSET(dy) << 1) | FLOATSIGNBITSET(dz);
dx = -cornerVecs[index].X;
index |= (FLOATSIGNBITSET(dx) << 2);
if (indexPoints[index].X < bounds.Minimum.X)
{
return(true);
}
dy = localFrustum._axis.Item1.X;
dz = localFrustum._axis.Item2.X;
index = (FLOATSIGNBITSET(dy) << 1) | FLOATSIGNBITSET(dz);
dx = cornerVecs[index].X;
index |= (FLOATSIGNBITSET(dx) << 2);
if (indexPoints[index].X > bounds.Maximum.X)
{
return(true);
}
dy = -localFrustum._axis.Item1.Y;
dz = -localFrustum._axis.Item2.Y;
index = (FLOATSIGNBITSET(dy) << 1) | FLOATSIGNBITSET(dz);
dx = -cornerVecs[index].Y;
index |= (FLOATSIGNBITSET(dx) << 2);
if (indexPoints[index].Y < bounds.Minimum.Y)
{
return(true);
}
dy = localFrustum._axis.Item1.Y;
dz = localFrustum._axis.Item2.Y;
index = (FLOATSIGNBITSET(dy) << 1) | FLOATSIGNBITSET(dz);
dx = cornerVecs[index].Y;
index |= (FLOATSIGNBITSET(dx) << 2);
if (indexPoints[index].Y > bounds.Maximum.Y)
{
return(true);
}
dy = -localFrustum._axis.Item1.Z;
dz = -localFrustum._axis.Item2.Z;
index = (FLOATSIGNBITSET(dy) << 1) | FLOATSIGNBITSET(dz);
dx = -cornerVecs[index].Z;
index |= (FLOATSIGNBITSET(dx) << 2);
if (indexPoints[index].Z < bounds.Minimum.Z)
{
return(true);
}
dy = localFrustum._axis.Item1.Z;
dz = localFrustum._axis.Item2.Z;
index = (FLOATSIGNBITSET(dy) << 1) | FLOATSIGNBITSET(dz);
dx = cornerVecs[index].Z;
index |= (FLOATSIGNBITSET(dx) << 2);
if (indexPoints[index].Z > bounds.Maximum.Z)
{
return(true);
}
return(false);
}
public void DebugDraw(Viewport viewport)
{
var transform = Transform.Value;
var pos = transform.Position;
var rot = transform.Rotation;
//direction
{
var toolSize = viewport.Simple3DRenderer.GetThicknessByPixelSize(pos, ProjectSettings.Get.TransformToolSizeScaled);
double thickness = viewport.Simple3DRenderer.GetThicknessByPixelSize(pos, ProjectSettings.Get.TransformToolLineThicknessScaled);
var length = toolSize / 1.5;
var headHeight = length / 4;
viewport.Simple3DRenderer.AddArrow(pos, pos + rot * new Vector3(length, 0, 0), headHeight, 0, true, thickness);
}
double aspectRatio = AspectRatio;
if (aspectRatio == 0)
{
aspectRatio = 1;
}
double halfWidth;
double halfHeight;
if (Projection.Value == ProjectionType.Perspective)
{
double tan = Math.Tan(FieldOfView.Value.InRadians() / 2);
halfWidth = tan * FarClipPlane.Value * aspectRatio;
halfHeight = tan * FarClipPlane.Value;
}
else
{
halfWidth = Height * .5 * aspectRatio;
halfHeight = Height * .5;
}
var frustum = new Frustum(true, Projection.Value, pos, rot, NearClipPlane.Value, FarClipPlane.Value, halfWidth, halfHeight);
var frustumPoints = frustum.Points;
switch (Projection.Value)
{
case ProjectionType.Perspective:
{
var points = new Vector3[8];
{
for (int n = 4; n < 8; n++)
{
double distance = GetVisualLength();
var dir = (frustumPoints[n] - pos).GetNormalize() * distance;
var p = pos + dir * distance;
points[n] = p;
}
}
for (int n = 4; n < 8; n++)
{
viewport.Simple3DRenderer.AddLine(pos, points[n]);
}
viewport.Simple3DRenderer.AddLine(points[4], points[5]);
viewport.Simple3DRenderer.AddLine(points[5], points[6]);
viewport.Simple3DRenderer.AddLine(points[6], points[7]);
viewport.Simple3DRenderer.AddLine(points[7], points[4]);
}
break;
case ProjectionType.Orthographic:
{
//!!!!
}
break;
}
}
public GetObjectsInSpaceItem(CastTypeEnum castType, Metadata.TypeInfo selectedTypeOnly, bool visibleOnly, Frustum frustum)
{
this.CastType = castType;
this.SelectedTypeOnly = selectedTypeOnly;
this.VisibleOnly = visibleOnly;
this.Frustum = frustum;
}
