void Mouse_ButtonDown(object sender, OpenTK.Input.MouseButtonEventArgs e)
{
if (e.Button == OpenTK.Input.MouseButton.Left)
{
switch (CurrentState)
{
case GameState.Playing:
break;
case GameState.RailTrackEdition:
if (RailTrack.CurrentSegment == null)
{
RailTrack.CurrentSegment = new TrackSegment(terrain.SelCenterPos);
RailTrack.TrackStarts.Add(RailTrack.CurrentSegment);
}
else
{
TrackSegment newTS = new TrackSegment(RailTrack.CurrentSegment.EndPos, RailTrack.vEnd);
RailTrack.CurrentSegment.NextSegment.Add(newTS);
newTS.PreviousSegment.Add(RailTrack.CurrentSegment);
RailTrack.CurrentSegment = newTS;
}
RailTrack.UpdateTrackMesh();
break;
}
}
}
void buildSegment(TrackSegment tPrevious, TrackSegment tNext)
{
if (tPrevious != null)
{
float segLenght = (tPrevious.EndPos - tPrevious.StartPos).Length;
float controlPointDist = segLenght * 0.49f;
Vector3 secondCtrPoint;
if (tNext == null)
{
if (tPrevious == CurrentSegment)
{
secondCtrPoint = tPrevious.EndPos - vEnd * controlPointDist;
}
else
{
restartIdx.Add(tp.Count);
return;
}
}
else
{
secondCtrPoint = tPrevious.EndPos - tNext.vStart * controlPointDist;
}
Vector3[] p = new Vector3[] {
tPrevious.StartPos,
tPrevious.StartPos + tPrevious.vStart * controlPointDist,
secondCtrPoint,
tPrevious.EndPos
};
for (int j = 0; j < resolution - 1; j++)
{
float t = (float)j / (float)(resolution - 1);
tp.Add(Path.CalculateBezierPoint(t, p [0], p [1], p [2], p [3]));
}
if (tNext == null)
{
tp.Add(tPrevious.EndPos);
return;
}
}
if (tNext.NextSegment.Count == 0)
{
buildSegment(tNext, null);
return;
}
foreach (TrackSegment ts in tNext.NextSegment)
{
buildSegment(tNext, ts);
}
}
void buildSegment(TrackSegment tPrevious, TrackSegment tNext)
{
if (tPrevious != null) {
float segLenght = (tPrevious.EndPos - tPrevious.StartPos).Length;
float controlPointDist = segLenght * 0.49f;
Vector3 secondCtrPoint;
if (tNext == null) {
if (tPrevious == CurrentSegment)
secondCtrPoint = tPrevious.EndPos - vEnd * controlPointDist;
else {
restartIdx.Add (tp.Count);
return;
}
}else
secondCtrPoint = tPrevious.EndPos - tNext.vStart * controlPointDist;
Vector3[] p = new Vector3[] {
tPrevious.StartPos,
tPrevious.StartPos + tPrevious.vStart * controlPointDist,
secondCtrPoint,
tPrevious.EndPos
};
for (int j = 0; j < resolution - 1; j++) {
float t = (float)j / (float)(resolution - 1);
tp.Add (Path.CalculateBezierPoint (t, p [0], p [1], p [2], p [3]));
}
if (tNext == null) {
tp.Add (tPrevious.EndPos);
return;
}
}
if (tNext.NextSegment.Count == 0) {
buildSegment(tNext, null);
return;
}
foreach (TrackSegment ts in tNext.NextSegment ) {
buildSegment (tNext, ts);
}
}
void Mouse_ButtonDown (object sender, OpenTK.Input.MouseButtonEventArgs e)
{
if (e.Button == OpenTK.Input.MouseButton.Left) {
switch (CurrentState) {
case GameState.Playing:
break;
case GameState.RailTrackEdition:
if (RailTrack.CurrentSegment == null) {
RailTrack.CurrentSegment = new TrackSegment (terrain.SelCenterPos);
RailTrack.TrackStarts.Add (RailTrack.CurrentSegment);
} else {
TrackSegment newTS = new TrackSegment (RailTrack.CurrentSegment.EndPos, RailTrack.vEnd);
RailTrack.CurrentSegment.NextSegment.Add (newTS);
newTS.PreviousSegment.Add (RailTrack.CurrentSegment);
RailTrack.CurrentSegment = newTS;
}
RailTrack.UpdateTrackMesh ();
break;
}
}
}
void Mouse_Move(object sender, OpenTK.Input.MouseMoveEventArgs e)
{
if (e.XDelta != 0 || e.YDelta != 0)
{
terrain.MouseMove(e);
NotifyValueChanged("MousePos", MousePos);
//selection texture has clientRect size and 4 bytes per pixel, so
switch (CurrentState)
{
case GameState.Playing:
break;
case GameState.RailTrackEdition:
TrackSegment ts = RailTrack.CurrentSegment;
if (ts != null)
{
if (terrain.SelCenterPos == ts.StartPos)
{
return;
}
if (e.Mouse.LeftButton == OpenTK.Input.ButtonState.Pressed)
{
ts.EndPos = terrain.SelCenterPos;
ts.vStart = Vector3.Normalize(ts.EndPos - ts.StartPos);
RailTrack.vEnd = ts.vStart;
}
else
{
ts.EndPos = terrain.SelCenterPos;
Vector3 vDir = Vector3.Normalize(ts.EndPos - ts.StartPos);
float dot = Vector3.Dot(ts.vStart, vDir);
RailTrack.vEnd = -(ts.vStart - 2 * dot * vDir);
}
RailTrack.UpdateTrackMesh();
}
break;
}
if (e.Mouse.MiddleButton == OpenTK.Input.ButtonState.Pressed)
{
if (Keyboard [OpenTK.Input.Key.ShiftLeft])
{
Vector3 v = new Vector3(
Vector2.Normalize(vLook.Xy.PerpendicularLeft));
Vector3 tmp = Vector3.Transform(vLook,
Matrix4.CreateRotationZ(-e.XDelta * RotationSpeed) *
Matrix4.CreateFromAxisAngle(v, -e.YDelta * RotationSpeed));
tmp.Normalize();
if (tmp.Z <= 0f)
{
return;
}
vLook = tmp;
}
else
{
Vector3 vH = new Vector3(Vector2.Normalize(vLook.Xy.PerpendicularLeft) * e.XDelta * MoveSpeed * eyeDist);
Vector3 vV = new Vector3(Vector2.Normalize(vLook.Xy) * e.YDelta * MoveSpeed * eyeDist);
vEyeTarget -= vH + vV;
}
UpdateViewMatrix();
}
}
}
