public void CreateInstancesAtMouse(SpaceRayIntersectResult mouseRay)
{
var wf = ProjectForm.WorldForm;
if (wf == null)
{
return;
}
lock (wf.RenderSyncRoot)
{
CurrentBatch.CreateInstancesAtMouse(
CurrentBatch,
mouseRay,
(float)RadiusNumericUpDown.Value,
(int)DensityNumericUpDown.Value,
SpawnRayFunc,
new Color(GrassColorLabel.BackColor.R, GrassColorLabel.BackColor.G, GrassColorLabel.BackColor.B),
(int)AoNumericUpDown.Value,
(int)ScaleNumericUpDown.Value,
FloatUtil.ParseVector3String(PadTextBox.Text),
RandomizeScaleCheckBox.Checked
);
wf.UpdateGrassBatchGraphics(CurrentBatch);
}
BatchChanged();
}
public void EraseInstancesAtMouse(SpaceRayIntersectResult mouseRay)
{
var wf = ProjectForm.WorldForm;
if (wf == null)
{
return;
}
var changed = false;
lock (wf.RenderSyncRoot)
{
if (CurrentBatch.EraseInstancesAtMouse(
CurrentBatch,
mouseRay,
(float)RadiusNumericUpDown.Value
))
{
wf.UpdateGrassBatchGraphics(CurrentBatch);
changed = true;
}
}
if (changed)
{
BatchChanged();
}
}
public void UpdateCollisionFromRayHit(ref SpaceRayIntersectResult hit, Camera camera)
{
var position = hit.HitEntity?.Position ?? Vector3.Zero;
var orientation = hit.HitEntity?.Orientation ?? Quaternion.Identity;
var scale = hit.HitEntity?.Scale ?? Vector3.One;
var camrel = position - camera.Position;
var trans = hit.HitBounds?.Transform.TranslationVector ?? Vector3.Zero;
CollisionPoly = hit.HitPolygon;
CollisionBounds = hit.HitBounds;
EntityDef = hit.HitEntity;
Archetype = hit.HitEntity?.Archetype;
HitDist = hit.HitDist;
CamRel = camrel + orientation.Multiply(trans);
BBOffset = trans;
BBOrientation = hit.HitBounds?.Transform.ToQuaternion() ?? Quaternion.Identity;
AABB = new BoundingBox(hit.HitBounds?.BoxMin ?? Vector3.Zero, hit.HitBounds?.BoxMax ?? Vector3.Zero);
float vertexDist = 0.1f;
if ((hit.HitVertex.Distance < vertexDist) && (hit.HitBounds is BoundGeometry bgeom))
{
CollisionVertex = bgeom.GetVertexObject(hit.HitVertex.Index);
}
else
{
CollisionVertex = null;
}
}
