protected override void OnCheckSelectionByRay(CheckSelectionByRayContext context)
{
base.OnCheckSelectionByRay(context);
if (rigidBody != null)
{
context.thisObjectWasChecked = true;
var worldData = GetPhysicsWorldData(false);
if (worldData != null)
{
if (context.viewport.CameraSettings.Projection == ProjectionType.Orthographic)
{
var point = Physics2DUtility.Convert(context.ray.Origin.ToVector2());
foreach (var fixture in rigidBody.FixtureList)
{
if (fixture.TestPoint(ref point))
{
context.thisObjectResultRayScale = 0;
break;
}
}
}
else
{
var bounds = SpaceBounds.CalculatedBoundingBox;
if (bounds.Intersects(ref context.ray, out double scale))
{
context.thisObjectResultRayScale = scale;
}
}
}
}
}
protected override void OnCheckSelectionByRay(CheckSelectionByRayContext context)
{
base.OnCheckSelectionByRay(context);
context.thisObjectWasChecked = true;
if (SpaceBounds.CalculatedBoundingSphere.Intersects(context.ray, out var scale1, out var scale2))
{
var m = GetBillboardMesh();
if (m.Result.ExtractedIndices.Length != 0)
{
Quaternion meshFaceRotation = Quaternion.Identity;
switch (m.Result.MeshData.BillboardMode)
{
case 1: meshFaceRotation = Quaternion.FromDirectionZAxisUp(Vector3.Zero - new Vector3(0, -1, 0)); break;
case 2: meshFaceRotation = Quaternion.FromDirectionZAxisUp(Vector3.Zero - new Vector3(0, 1, 0)); break;
case 3: meshFaceRotation = Quaternion.FromDirectionZAxisUp(Vector3.Zero - new Vector3(1, 0, 0)); break;
case 4: meshFaceRotation = Quaternion.FromDirectionZAxisUp(Vector3.Zero - new Vector3(-1, 0, 0)); break;
}
var rotation = context.viewport.CameraSettings.Rotation * meshFaceRotation.GetInverse();
var tr = TransformV;
var size2 = new Vector2(Size.Value.X * Math.Max(tr.Scale.X, tr.Scale.Y), Size.Value.Y * tr.Scale.Z);
var tranform = new Matrix4(rotation.ToMatrix3() * Matrix3.FromScale(new Vector3(size2.X, size2.X, size2.Y)), tr.Position);
var vertices = m.Result.ExtractedVerticesPositions;
var indices = m.Result.ExtractedIndices;
for (int nTriangle = 0; nTriangle < indices.Length / 3; nTriangle++)
{
var vertex0 = vertices[indices[nTriangle * 3 + 0]];
var vertex1 = vertices[indices[nTriangle * 3 + 1]];
var vertex2 = vertices[indices[nTriangle * 3 + 2]];
var v0 = tranform * vertex0;
var v1 = tranform * vertex1;
var v2 = tranform * vertex2;
if (MathAlgorithms.IntersectTriangleRay(ref v0, ref v1, ref v2, ref context.ray, out var rayScale))
{
context.thisObjectResultRayScale = rayScale;
break;
}
}
}
else
{
double scale = Math.Min(scale1, scale2);
context.thisObjectResultRayScale = scale;
}
}
}
