public void PrimHandleUpdate(CVectorModel Model, ref SGizmoData Gizmo, int SelectedPrimID)
{
if (Gizmo.mGizmoHover != EGizmoHandleID.NONE)
{
return;
}
float minT = float.MaxValue;
Vector3 planeHitPoint = Vector3.zero;
int hitPlaneID = -1;
bool planeWasHit = false;
for (int i = 0; i < Model.mPlanes.Count; ++i)
{
CModelPlane p = Model.mPlanes[i];
Vector3 hit;
float t;
if (p.IntersectRay(Gizmo.mStartMouseRay, out hit, out t))
{
planeWasHit = true;
if (t < minT)
{
minT = t;
planeHitPoint = hit;
hitPlaneID = i;
}
}
}
if (planeWasHit)
{
Gizmo.mGizmoHover = EGizmoHandleID.PRIMTIVE;
Gizmo.mHoverID = hitPlaneID;
}
}
public bool IntersectRay(Ray R, Matrix4x4 Transform, out float T)
{
T = float.MaxValue;
Vector3 planeHitPoint = Vector3.zero;
int hitPlaneID = -1;
bool hit = false;
Ray r = new Ray(Transform.MultiplyPoint(R.origin), Transform.MultiplyVector(R.direction));
for (int i = 0; i < mPlanes.Count; ++i)
{
CModelPlane p = mPlanes[i];
Vector3 hitPos;
float t;
if (p.IntersectRay(r, out hitPos, out t))
{
if (t < T)
{
hit = true;
T = t;
planeHitPoint = hitPos;
hitPlaneID = i;
}
}
}
return(hit);
}
public void EdgePaintHandleUpdate(CVectorModel Model, ref SGizmoData Gizmo)
{
if (Gizmo.mGizmoHover != EGizmoHandleID.NONE)
{
return;
}
float minT = float.MaxValue;
Vector3 planeHitPoint = Vector3.zero;
int hitPlaneID = -1;
bool planeWasHit = false;
for (int i = 0; i < Model.mPlanes.Count; ++i)
{
CModelPlane p = Model.mPlanes[i];
Vector3 hit;
float t;
if (p.IntersectRay(Gizmo.mStartMouseRay, out hit, out t))
{
planeWasHit = true;
if (t < minT)
{
minT = t;
planeHitPoint = hit;
hitPlaneID = i;
}
}
}
if (planeWasHit)
{
CModelPlane p = Model.mPlanes[hitPlaneID];
// Find closest impact point on plane
Vector3 projPoint;
float d1 = CIntersections.PointVsLine(planeHitPoint, p.c1, p.c2, out projPoint);
float d2 = CIntersections.PointVsLine(planeHitPoint, p.c2, p.c3, out projPoint);
float d3 = CIntersections.PointVsLine(planeHitPoint, p.c3, p.c4, out projPoint);
float d4 = CIntersections.PointVsLine(planeHitPoint, p.c4, p.c1, out projPoint);
//CDebug.DrawLine(planeHitPoint, planeHitPoint + new Vector3(0, 0.1f, 0), Color.yellow, false);
//CDebug.DrawLine(projPoint, projPoint + new Vector3(0, 0.1f, 0), Color.magenta, false);
Gizmo.mGizmoHover = EGizmoHandleID.EDGE;
Gizmo.mHoverID = hitPlaneID;
if (d4 < d2 && d4 < d3 && d4 < d1)
{
Gizmo.mCornerID = 3;
CDebug.DrawLine(p.c4, p.c1, Color.blue, false);
}
else if (d2 < d1 && d2 < d3 && d2 < d4)
{
Gizmo.mCornerID = 1;
CDebug.DrawLine(p.c2, p.c3, Color.blue, false);
}
else if (d3 < d2 && d3 < d1 && d3 < d4)
{
Gizmo.mCornerID = 2;
CDebug.DrawLine(p.c3, p.c4, Color.blue, false);
}
else
{
Gizmo.mCornerID = 0;
CDebug.DrawLine(p.c1, p.c2, Color.blue, false);
}
}
}