void update_last_hit(SculptCurveTool tool, Ray3f ray)
{
SORayHit soHit;
// stick brush to target if we have one
if (tool.BrushTarget != null)
{
Vector3d hitPos, hitNormal;
bool bHit = tool.BrushTarget.RayIntersect(ray, out hitPos, out hitNormal);
if (bHit)
{
lastHitPosW = (Vector3f)hitPos;
}
}
else if (in_draw)
{
lastHitPosW = curDrawFrameW.RayPlaneIntersection(ray.Origin, ray.Direction, 2);
}
else if (SceneUtil.FindNearestRayIntersection(tool.Targets, ray, out soHit))
{
lastHitPosW = soHit.hitPos;
}
else
{
Frame3f f = new Frame3f(lastHitPosW, context.ActiveCamera.Forward());
lastHitPosW = f.RayPlaneIntersection(ray.Origin, ray.Direction, 2);
}
}
public bool FindRayIntersection(Ray3f ray, out SORayHit hit)
{
hit = null;
if (SelectionMode == SelectionModes.NoSelection)
{
return(false);
}
bool bHit = SceneUtil.FindNearestRayIntersection(vChildren, ray, out hit);
if (bHit && SelectionMode == SelectionModes.SelectGroup)
{
hit.hitSO = this;
}
return(bHit);
}
public bool FindRayIntersection(Ray3f ray, out SORayHit hit)
{
hit = null;
if (EnableSelection == false)
{
return(false);
}
bool bHit = SceneUtil.FindNearestRayIntersection(vChildren, ray, out hit);
if (bHit)
{
hit.hitSO = this;
}
return(bHit);
}