void OnSceneGUI()
{
if (_track.drawMode)
{
DrawTrack();
return;
}
if (SceneView.focusedWindow != null)
{
SceneView.focusedWindow.wantsMouseMove = false;
}
Vector3 position = _trackBuildR.transform.position;
Camera sceneCamera = Camera.current;
_handleSize = HandleUtility.GetHandleSize(_trackBuildR.transform.position) * 0.1f;
int realNumberOfPoints = _track.realNumberOfPoints;
Ray mouseRay = Camera.current.ScreenPointToRay(new Vector3(Event.current.mousePosition.x, Screen.height - Event.current.mousePosition.y - 30, 0));
Quaternion mouseLookDirection = Quaternion.LookRotation(-mouseRay.direction);
int numberOfCurves = _track.numberOfCurves;
switch (_trackBuildR.mode)
{
case TrackBuildR.modes.track:
Handles.color = TrackBuildRColours.GREEN;
switch (_trackBuildR.pointMode)
{
case TrackBuildR.pointModes.add:
if (SceneView.focusedWindow != null)
{
SceneView.focusedWindow.wantsMouseMove = true;
}
if (Event.current.type == EventType.MouseMove)
{
Repaint();
}
Handles.color = TrackBuildRColours.GREY;
for (int i = 0; i < _track.realNumberOfPoints; i++)
{
Vector3 pointPos = _track[i].worldPosition;
float handleSize = HandleUtility.GetHandleSize(pointPos);
Handles.DotCap(0, pointPos, Quaternion.identity, handleSize * 0.05f);
}
Handles.color = TrackBuildRColours.GREEN;
float mousePercentage = NearestmMousePercentage(); // _track.GetNearestPoint(mousePlanePoint);
Vector3 mouseTrackPoint = _track.GetTrackPosition(mousePercentage) + position;
Handles.Label(mouseTrackPoint, "Add New Track Point");
float newPointHandleSize = HandleUtility.GetHandleSize(mouseTrackPoint) * HANDLE_SCALE;
if (Handles.Button(mouseTrackPoint, mouseLookDirection, newPointHandleSize, newPointHandleSize, Handles.DotCap))
{
int newPointIndex = _track.GetLastPointIndex(mousePercentage);
TrackBuildRPoint newPoint = _track.InsertPoint(newPointIndex + 1);
newPoint.worldPosition = mouseTrackPoint;
newPoint.width = _track.GetTrackWidth(mousePercentage);
newPoint.crownAngle = _track.GetTrackCrownAngle(mousePercentage);
selectedPoint = newPointIndex + 1;
GUI.changed = true;
_trackBuildR.pointMode = TrackBuildR.pointModes.transform;
}
break;
case TrackBuildR.pointModes.remove:
if (SceneView.focusedWindow != null)
{
SceneView.focusedWindow.wantsMouseMove = true;
}
Handles.color = TrackBuildRColours.RED;
for (int i = 0; i < realNumberOfPoints; i++)
{
TrackBuildRPoint point = _track[i];
float pointHandleSize = HandleUtility.GetHandleSize(point.worldPosition) * HANDLE_SCALE;
Handles.Label(point.worldPosition, "Remove Track Point");
if (Handles.Button(point.worldPosition, mouseLookDirection, pointHandleSize, pointHandleSize, Handles.DotCap))
{
_track.RemovePoint(point);
GUI.changed = true;
_trackBuildR.pointMode = TrackBuildR.pointModes.transform;
}
}
break;
default:
SceneGUIPointBased();
break;
}
//draw track outline
for (int i = 0; i < numberOfCurves; i++)
{
TrackBuildRPoint curve = _track[i];
if (curve == null)
{
continue;
}
int curvePoints = curve.storedPointSize;
float dotPA = Vector3.Dot(sceneCamera.transform.forward, curve.worldPosition - sceneCamera.transform.position);
float dotPB = Vector3.Dot(sceneCamera.transform.forward, curve.nextPoint.worldPosition - sceneCamera.transform.position);
if (dotPA < 0 && dotPB < 0)
{
continue;
}
float curveDistance = Vector3.Distance(sceneCamera.transform.position, curve.center);
int pointJump = Mathf.Max((int)(curveDistance / 20.0f), 1);
Color trackOutline = curve.render ? TrackBuildRColours.GREEN : TrackBuildRColours.RED;
Color trackOutlineA = trackOutline;
trackOutlineA.a = 0.5f;
for (int p = pointJump; p < curvePoints; p += pointJump)
{
int indexA = p - pointJump;
int indexB = p;
if (p + pointJump > curvePoints - 1)
{
indexB = curvePoints - 1;
}
Handles.color = trackOutlineA;
Handles.DrawLine(curve.sampledPoints[indexA] + position, curve.sampledPoints[indexB] + position);
Handles.color = trackOutline;
Vector3 trackCrossWidth = curve.sampledTrackCrosses[indexA] * (curve.sampledWidths[indexA] * 0.5f);
Handles.DrawLine(curve.sampledPoints[indexA] + trackCrossWidth + position, curve.sampledPoints[indexB] + trackCrossWidth + position);
Handles.DrawLine(curve.sampledPoints[indexA] - trackCrossWidth + position, curve.sampledPoints[indexB] - trackCrossWidth + position);
}
}
break;
case TrackBuildR.modes.boundary:
//draw boundary outline
for (int i = 0; i < numberOfCurves; i++)
{
TrackBuildRPoint curve = _track[i];
int curvePoints = curve.storedPointSize;
float dotPA = Vector3.Dot(sceneCamera.transform.forward, curve.worldPosition - sceneCamera.transform.position);
float dotPB = Vector3.Dot(sceneCamera.transform.forward, curve.nextPoint.worldPosition - sceneCamera.transform.position);
if (dotPA < 0 && dotPB < 0)
{
continue;
}
float curveDistance = Vector3.Distance(sceneCamera.transform.position, curve.center);
int pointJump = Mathf.Max((int)(curveDistance / 20.0f), 1);
for (int p = pointJump; p < curvePoints; p += pointJump)
{
int indexA = p - pointJump;
int indexB = p;
if (p + pointJump > curvePoints - 1)
{
indexB = curvePoints - 1;
}
if (_track.disconnectBoundary)
{
Handles.color = TrackBuildRColours.BLUE;
Handles.DrawLine(curve.sampledLeftBoundaryPoints[indexA] + position, curve.sampledLeftBoundaryPoints[indexB] + position);
Handles.color = TrackBuildRColours.RED;
Handles.DrawLine(curve.sampledRightBoundaryPoints[indexA] + position, curve.sampledRightBoundaryPoints[indexB] + position);
}
else
{
Vector3 trackCrossWidth = curve.sampledTrackCrosses[indexA] * (curve.sampledWidths[indexA] * 0.5f);
Handles.color = TrackBuildRColours.BLUE;
Handles.DrawLine(curve.sampledPoints[indexA] + trackCrossWidth + position, curve.sampledPoints[indexB] + trackCrossWidth + position);
Handles.color = TrackBuildRColours.RED;
Handles.DrawLine(curve.sampledPoints[indexA] - trackCrossWidth + position, curve.sampledPoints[indexB] - trackCrossWidth + position);
}
}
}
SceneGUIPointBased();
break;
case TrackBuildR.modes.textures:
for (int i = 0; i < numberOfCurves; i++)
{
TrackBuildRPoint thisCurve = _track[i];
float pointHandleSize = HandleUtility.GetHandleSize(thisCurve.center) * HANDLE_SCALE;
Handles.color = (i == selectedCurveIndex) ? TrackBuildRColours.RED : TrackBuildRColours.BLUE;
if (Handles.Button(thisCurve.center, Quaternion.identity, pointHandleSize, pointHandleSize, Handles.DotCap))
{
selectedCurveIndex = i;
GUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
GUI.changed = true;
}
}
Handles.color = TrackBuildRColours.RED;
TrackBuildRPoint selectedCurve = _track[selectedCurveIndex];
int numberOfSelectedCurvePoints = selectedCurve.storedPointSize;
for (int i = 0; i < numberOfSelectedCurvePoints - 1; i++)
{
Vector3 leftPointA = selectedCurve.sampledLeftBoundaryPoints[i];
Vector3 leftPointB = selectedCurve.sampledLeftBoundaryPoints[i + 1];
Vector3 rightPointA = selectedCurve.sampledRightBoundaryPoints[i];
Vector3 rightPointB = selectedCurve.sampledRightBoundaryPoints[i + 1];
Handles.DrawLine(leftPointA, leftPointB);
Handles.DrawLine(rightPointA, rightPointB);
if (i == 0)
{
Handles.DrawLine(leftPointA, rightPointA);
}
if (i == numberOfSelectedCurvePoints - 2)
{
Handles.DrawLine(leftPointB, rightPointB);
}
}
break;
case TrackBuildR.modes.terrain:
//nothing
break;
case TrackBuildR.modes.stunt:
SceneGUIPointBased();
TrackBuildRPoint atPoint = _track[selectedPoint];
TrackBuildRPoint lastPoint = _track.GetPoint(selectedPoint - 1);
TrackBuildRPoint nextPoint = _track.GetPoint(selectedPoint + 1);
float trackWidth;
Vector3 startCross;
Vector3 p0, p1, p2, p3, p4, p5, p6, p7;
switch (_trackBuildR.stuntMode)
{
case TrackBuildR.stuntModes.loop:
atPoint = _track[selectedPoint];
trackWidth = atPoint.width;
float loopRadius = _track.loopRadius;
Vector3 loopPosition = atPoint.worldPosition;
Vector3 trackDirection = atPoint.trackDirection.normalized;
Vector3 trackup = atPoint.trackUpQ * Vector3.forward;
Vector3 trackCross = atPoint.trackCross;
Vector3 loopCentreHeight = loopRadius * trackup;
Quaternion loopAngle = Quaternion.FromToRotation(Vector3.right, trackDirection);
for (float i = 0; i < 0.99f; i += 0.01f)
{
float radA = Mathf.PI * 2 * (i + 0.5f);
float radB = Mathf.PI * 2 * (i + 0.51f);
Vector3 pointLoopPositionA = loopAngle * ((new Vector3(Mathf.Sin(radA), Mathf.Cos(radA), 0)) * loopRadius);
Vector3 pointLoopPositionB = loopAngle * ((new Vector3(Mathf.Sin(radB), Mathf.Cos(radB), 0)) * loopRadius);
Vector3 lateral = Vector3.Lerp((trackCross * trackWidth * -0.6f), (trackCross * trackWidth * 0.6f), i);
Vector3 pointPositionA = (pointLoopPositionA) + lateral + loopPosition + loopCentreHeight;
Vector3 pointPositionB = (pointLoopPositionB) + lateral + loopPosition + loopCentreHeight;
Handles.DrawLine(pointPositionA, pointPositionB);
}
break;
case TrackBuildR.stuntModes.jump:
atPoint = _track[selectedPoint];
lastPoint = _track.GetPoint(selectedPoint - 1);
nextPoint = _track.GetPoint(selectedPoint + 1);
float trackPartDistance = lastPoint.arcLength + atPoint.arcLength;
float jumpDistance = Mathf.Min(trackPartDistance * 0.333f, _track.maxJumpLength);
Vector3 jumpDirection = atPoint.trackDirection;
Vector3 jumpMiddle = atPoint.worldPosition;
startCross = atPoint.trackCross;
trackWidth = atPoint.width * 0.5f;
Quaternion trackUp = atPoint.trackUpQ;
Vector3 jumpHeight = trackUp * (Vector3.forward * _track.jumpHeight);
Vector3 jumpStartPosition = jumpMiddle - jumpDirection * (jumpDistance * 0.33f);
Vector3 jumpEndPosition = jumpMiddle + jumpDirection * (jumpDistance * 0.33f);
p0 = lastPoint.worldPosition + trackWidth * startCross;
p1 = lastPoint.worldPosition - trackWidth * startCross;
p2 = jumpStartPosition + trackWidth * startCross + jumpHeight;
p3 = jumpStartPosition - trackWidth * startCross + jumpHeight;
p4 = jumpEndPosition + trackWidth * startCross + jumpHeight;
p5 = jumpEndPosition - trackWidth * startCross + jumpHeight;
p6 = nextPoint.worldPosition + trackWidth * startCross;
p7 = nextPoint.worldPosition - trackWidth * startCross;
Handles.DrawLine(p0, p2);
Handles.DrawLine(p1, p3);
Handles.DrawLine(p0, p1);
Handles.DrawLine(p2, p3);
Handles.DrawLine(p2, p2 - jumpHeight);
Handles.DrawLine(p3, p3 - jumpHeight);
Handles.DrawLine(p0, p2 - jumpHeight);
Handles.DrawLine(p1, p3 - jumpHeight);
Handles.DrawLine(p4, p6);
Handles.DrawLine(p5, p7);
Handles.DrawLine(p4, p5);
Handles.DrawLine(p6, p7);
Handles.DrawLine(p4, p4 - jumpHeight);
Handles.DrawLine(p5, p5 - jumpHeight);
Handles.DrawLine(p6, p4 - jumpHeight);
Handles.DrawLine(p7, p5 - jumpHeight);
break;
// case TrackBuildR.stuntModes.twist:
//
// atPoint = _track[selectedPoint];
// lastPoint = _track.GetPoint(selectedPoint - 1);
//
// float twistDistance = Mathf.Min((lastPoint.arcLength + atPoint.arcLength) * 0.333f, _track.maxJumpLength);
//
// Vector3 twistDirection = atPoint.trackDirection;
// Vector3 twistMiddle = atPoint.worldPosition;
// Vector3 twistUp = atPoint.trackUp;
// float twistRadius = _track.twistRadius;
// Vector3 twistStartPosition = twistMiddle - twistDirection * (twistDistance * 0.33f);
// Vector3 twistEndPosition = twistMiddle + twistDirection * (twistDistance * 0.33f);
// Vector3 twistCentreHeight = twistUp * twistRadius;
// Quaternion twistAngle = Quaternion.LookRotation(twistDirection, twistUp);
// for(float i = 0; i < 0.99f; i += 0.01f )
// {
// float radA = Mathf.PI * 2 * (i+0.5f);
// float radB = Mathf.PI * 2 * (i+0.51f);
// Vector3 pointLoopPositionA = twistAngle * ((new Vector3(Mathf.Sin(radA), Mathf.Cos(radA), 0)) * twistRadius);
// Vector3 pointLoopPositionB = twistAngle * ((new Vector3(Mathf.Sin(radB), Mathf.Cos(radB), 0)) * twistRadius);
// float smoothI = i * i * (3.0f - 2.0f * i);
// Vector3 lateral = Vector3.Lerp(twistStartPosition, twistEndPosition, i + (i-smoothI));
// Vector3 pointPositionA = (pointLoopPositionA) + lateral + twistCentreHeight;
// Vector3 pointPositionB = (pointLoopPositionB) + lateral + twistCentreHeight;
// Handles.DrawLine(pointPositionA, pointPositionB);
// }
//
// break;
case TrackBuildR.stuntModes.jumptwist:
atPoint = _track[selectedPoint];
lastPoint = _track.GetPoint(selectedPoint - 1);
nextPoint = _track.GetPoint(selectedPoint + 1);
float trackTPartDistance = lastPoint.arcLength + atPoint.arcLength;
float jumpTDistance = Mathf.Min(trackTPartDistance * 0.333f, _track.maxJumpLength);
trackWidth = atPoint.width * 0.5f;
startCross = atPoint.trackCross;
Vector3 jumpTDirection = atPoint.trackDirection;
Vector3 jumpTMiddle = atPoint.worldPosition;
Quaternion atPointUpQ = atPoint.trackUpQ;
Quaternion trackUpJump = Quaternion.AngleAxis(_track.twistAngle, -jumpTDirection);
Vector3 trackCrossExit = trackUpJump * startCross;
Vector3 trackCrossEntry = Quaternion.Inverse(trackUpJump) * startCross;
Vector3 jumpLateral = startCross * _track.twistAngle / 33.3f;
Vector3 jumpTHeight = atPointUpQ * (Vector3.forward * _track.jumpHeight);
Vector3 jumpTStartPosition = jumpTMiddle - jumpTDirection * (jumpTDistance * 0.33f) + jumpTHeight - jumpLateral;
Vector3 jumpTEndPosition = jumpTMiddle + jumpTDirection * (jumpTDistance * 0.33f) + jumpTHeight + jumpLateral;
p0 = lastPoint.worldPosition + trackWidth * startCross;
p1 = lastPoint.worldPosition - trackWidth * startCross;
p2 = jumpTStartPosition + trackWidth * trackCrossExit;
p3 = jumpTStartPosition - trackWidth * trackCrossExit;
p4 = jumpTEndPosition + trackWidth * trackCrossEntry;
p5 = jumpTEndPosition - trackWidth * trackCrossEntry;
p6 = nextPoint.worldPosition + trackWidth * startCross;
p7 = nextPoint.worldPosition - trackWidth * startCross;
Handles.DrawLine(p0, p2);
Handles.DrawLine(p1, p3);
Handles.DrawLine(p0, p1);
Handles.DrawLine(p2, p3);
// Handles.DrawLine(p2, p2 - jumpTHeight);
// Handles.DrawLine(p3, p3 - jumpTHeight);
// Handles.DrawLine(p0, p2 - jumpTHeight);
// Handles.DrawLine(p1, p3 - jumpTHeight);
Handles.DrawLine(p4, p6);
Handles.DrawLine(p5, p7);
Handles.DrawLine(p4, p5);
Handles.DrawLine(p6, p7);
// Handles.DrawLine(p4, p4 - jumpTHeight);
// Handles.DrawLine(p5, p5 - jumpTHeight);
// Handles.DrawLine(p6, p4 - jumpTHeight);
// Handles.DrawLine(p7, p5 - jumpTHeight);
break;
}
break;
case TrackBuildR.modes.diagram:
if (SceneView.focusedWindow != null)
{
SceneView.focusedWindow.wantsMouseMove = true;
}
if (!_track.showDiagram)
{
break;
}
Plane diagramPlane = new Plane(Vector3.up, position);
float diagramDistance;
float crossSize = _handleSize * 10;
switch (_trackBuildR.track.assignedPoints)
{
case 0: //display the diagram scale points
Vector3 diagramPointA = _track.scalePointA;
Vector3 diagramPointB = _track.scalePointB;
if (diagramPointA != Vector3.zero || diagramPointB != Vector3.zero)
{
Handles.color = TrackBuildRColours.BLUE;
Handles.DrawLine(diagramPointA, diagramPointA + Vector3.left * crossSize);
Handles.DrawLine(diagramPointA, diagramPointA + Vector3.right * crossSize);
Handles.DrawLine(diagramPointA, diagramPointA + Vector3.forward * crossSize);
Handles.DrawLine(diagramPointA, diagramPointA + Vector3.back * crossSize);
Handles.color = TrackBuildRColours.GREEN;
Handles.DrawLine(diagramPointB, diagramPointB + Vector3.left * crossSize);
Handles.DrawLine(diagramPointB, diagramPointB + Vector3.right * crossSize);
Handles.DrawLine(diagramPointB, diagramPointB + Vector3.forward * crossSize);
Handles.DrawLine(diagramPointB, diagramPointB + Vector3.back * crossSize);
Handles.color = TrackBuildRColours.RED;
Handles.DrawLine(diagramPointA, diagramPointB);
}
break;
case 1: //place the first of two scale points to define the diagram scale size
Ray diagramRay = Camera.current.ScreenPointToRay(new Vector3(Event.current.mousePosition.x, Screen.height - Event.current.mousePosition.y - 30, 0));
if (diagramPlane.Raycast(diagramRay, out diagramDistance))
{
Vector3 diagramPlanePoint = diagramRay.GetPoint(diagramDistance);
Handles.color = TrackBuildRColours.BLUE;
Handles.DrawLine(diagramPlanePoint, diagramPlanePoint + Vector3.left * crossSize);
Handles.DrawLine(diagramPlanePoint, diagramPlanePoint + Vector3.right * crossSize);
Handles.DrawLine(diagramPlanePoint, diagramPlanePoint + Vector3.forward * crossSize);
Handles.DrawLine(diagramPlanePoint, diagramPlanePoint + Vector3.back * crossSize);
Handles.color = new Color(0, 0, 0, 0);
if (Handles.Button(diagramPlanePoint, Quaternion.identity, crossSize, crossSize, Handles.DotCap))
{
_track.scalePointA = diagramPlanePoint;
_track.assignedPoints = 2;
}
}
break;
case 2: //place the second of two scale points to define the diagram scale
Vector3 diagramPoint1 = _track.scalePointA;
Handles.color = TrackBuildRColours.BLUE;
Handles.DrawLine(diagramPoint1, diagramPoint1 + Vector3.left * crossSize);
Handles.DrawLine(diagramPoint1, diagramPoint1 + Vector3.right * crossSize);
Handles.DrawLine(diagramPoint1, diagramPoint1 + Vector3.forward * crossSize);
Handles.DrawLine(diagramPoint1, diagramPoint1 + Vector3.back * crossSize);
Ray diagramRayB = Camera.current.ScreenPointToRay(new Vector3(Event.current.mousePosition.x, Screen.height - Event.current.mousePosition.y - 30, 0));
if (diagramPlane.Raycast(diagramRayB, out diagramDistance))
{
Vector3 diagramPlanePoint = diagramRayB.GetPoint(diagramDistance);
Handles.color = TrackBuildRColours.RED;
Handles.DrawLine(diagramPlanePoint, diagramPoint1);
Handles.color = TrackBuildRColours.GREEN;
Handles.DrawLine(diagramPlanePoint, diagramPlanePoint + Vector3.left * crossSize);
Handles.DrawLine(diagramPlanePoint, diagramPlanePoint + Vector3.right * crossSize);
Handles.DrawLine(diagramPlanePoint, diagramPlanePoint + Vector3.forward * crossSize);
Handles.DrawLine(diagramPlanePoint, diagramPlanePoint + Vector3.back * crossSize);
Handles.color = new Color(0, 0, 0, 0);
if (Handles.Button(diagramPlanePoint, Quaternion.identity, crossSize, crossSize, Handles.DotCap))
{
_track.scalePointB = diagramPlanePoint;
_track.assignedPoints = 0;
//wUpdateDiagram();
}
}
break;
}
break;
}
if (Event.current.type == EventType.ValidateCommand)
{
switch (Event.current.commandName)
{
case "UndoRedoPerformed":
// Debug.Log("UndoRedoPerformed");
_trackBuildR.ForceFullRecalculation();
GUI.changed = true;
return;
}
}
if (GUI.changed)
{
UpdateGui();
}
}