public override void Redraw(float currentTime, float elapsedTime)
{
// update camera, tracking test vehicle
Demo.UpdateCamera(elapsedTime, _vehicle);
// draw "ground plane" (make it 4x map size)
const float S = MapDriver.WORLD_SIZE * 2;
const float U = -0.2f;
Drawing.DrawQuadrangle(new Vector3(+S, U, +S),
new Vector3(+S, U, -S),
new Vector3(-S, U, -S),
new Vector3(-S, U, +S),
new Color((byte)(255.0f * 0.8f), (byte)(255.0f * 0.7f), (byte)(255.0f * 0.5f))); // "sand"
// draw map and path
if (MapDriver.DemoSelect == 2) _vehicle.DrawPath();
_vehicle.DrawMap();
// draw test vehicle
_vehicle.Draw();
// QQQ mark origin to help spot artifacts
const float TICK = 2;
Drawing.DrawLine(new Vector3(TICK, 0, 0), new Vector3(-TICK, 0, 0), Color.Green);
Drawing.DrawLine(new Vector3(0, 0, TICK), new Vector3(0, 0, -TICK), Color.Green);
// compute conversion factor miles-per-hour to meters-per-second
const float METERS_PER_MILE = 1609.344f;
const float SECONDS_PER_HOUR = 3600;
// ReSharper disable InconsistentNaming
const float MPSperMPH = METERS_PER_MILE / SECONDS_PER_HOUR;
// ReSharper restore InconsistentNaming
// display status in the upper left corner of the window
StringBuilder status = new StringBuilder();
status.AppendFormat("Speed: {0} mps ({1} mph), average: {2:0.0} mps\n\n",
(int)_vehicle.Speed,
(int)(_vehicle.Speed / MPSperMPH),
_vehicle.TotalDistance / _vehicle.TotalTime);
status.AppendFormat("collisions avoided for {0} seconds",
(int)(Demo.Clock.TotalSimulationTime - _vehicle.TimeOfLastCollision));
if (_vehicle.CountOfCollisionFreeTimes > 0)
{
status.AppendFormat("\nmean time between collisions: {0} ({1}/{2})",
(int)(_vehicle.SumOfCollisionFreeTimes / _vehicle.CountOfCollisionFreeTimes),
(int)_vehicle.SumOfCollisionFreeTimes,
_vehicle.CountOfCollisionFreeTimes);
}
status.AppendFormat("\n\nStuck count: {0} ({1} cycles, {2} off path)",
_vehicle.StuckCount,
_vehicle.StuckCycleCount,
_vehicle.StuckOffPathCount);
status.Append("\n\n[F1] ");
if (1 == MapDriver.DemoSelect) status.Append("wander, ");
if (2 == MapDriver.DemoSelect) status.Append("follow path, ");
status.Append("avoid obstacle");
if (2 == MapDriver.DemoSelect)
{
status.Append("\n[F2] path following direction: ");
status.Append(_vehicle.PathFollowDirection > 0 ? "+1" : "-1");
status.Append("\n[F3] path fence: ");
status.Append(_usePathFences ? "on" : "off");
}
status.Append("\n[F4] rocks: ");
status.Append(_useRandomRocks ? "on" : "off");
status.Append("\n[F5] prediction: ");
status.Append(_vehicle.CurvedSteering ? "curved" : "linear");
if (2 == MapDriver.DemoSelect)
{
status.AppendFormat("\n\nLap {0} (completed: {1}%)",
_vehicle.LapsStarted,
((_vehicle.LapsStarted < 2) ? 0 :
(int)(100 * ((float)_vehicle.LapsFinished /
(_vehicle.LapsStarted - 1))))
);
status.AppendFormat("\nHints given: {0}, taken: {1}",
_vehicle.HintGivenCount,
_vehicle.HintTakenCount);
}
status.Append("\n");
qqqRange("WR ", MapDriver.SavedNearestWR, status);
qqqRange("R ", MapDriver.SavedNearestR, status);
qqqRange("L ", MapDriver.SavedNearestL, status);
qqqRange("WL ", MapDriver.SavedNearestWL, status);
Vector3 screenLocation = new Vector3(15, 50, 0);
Vector3 color = new Vector3(0.15f, 0.15f, 0.5f);
Drawing.Draw2dTextAt2dLocation(status.ToString(), screenLocation, new Color(color.ToXna()));
{
float v = Drawing.GetWindowHeight() - 5;
const float M = 10;
float w = Drawing.GetWindowWidth();
float f = w - (2 * M);
// limit tick mark
float l = _vehicle.AnnoteMaxRelSpeed;
Drawing.Draw2dLine(new Vector3(M + (f * l), v - 3, 0), new Vector3(M + (f * l), v + 3, 0), Color.Black);
// two "inverse speedometers" showing limits due to curvature and
// path alignment
if (Math.Abs(l) > float.Epsilon)
{
float c = _vehicle.AnnoteMaxRelSpeedCurve;
float p = _vehicle.AnnoteMaxRelSpeedPath;
Drawing.Draw2dLine(new Vector3(M + (f * c), v + 1, 0), new Vector3(w - M, v + 1, 0), Color.Red);
Drawing.Draw2dLine(new Vector3(M + (f * p), v - 2, 0), new Vector3(w - M, v - 1, 0), Color.Green);
}
// speedometer: horizontal line with length proportional to speed
Drawing.Draw2dLine(new Vector3(M, v, 0), new Vector3(M + (f * S), v, 0), Color.White);
// min and max tick marks
Drawing.Draw2dLine(new Vector3(M, v, 0), new Vector3(M, v - 2, 0), Color.White);
Drawing.Draw2dLine(new Vector3(w - M, v, 0), new Vector3(w - M, v - 2, 0), Color.White);
}
}
public override void Redraw(float currentTime, float elapsedTime)
{
// update camera, tracking test vehicle
Demo.UpdateCamera(elapsedTime, _vehicle);
// draw "ground plane" (make it 4x map size)
const float S = MapDriver.WORLD_SIZE * 2;
const float U = -0.2f;
Drawing.DrawQuadrangle(new Vector3(+S, U, +S),
new Vector3(+S, U, -S),
new Vector3(-S, U, -S),
new Vector3(-S, U, +S),
new Color((byte)(255.0f * 0.8f), (byte)(255.0f * 0.7f), (byte)(255.0f * 0.5f))); // "sand"
// draw map and path
if (MapDriver.DemoSelect == 2)
{
_vehicle.DrawPath();
}
_vehicle.DrawMap();
// draw test vehicle
_vehicle.Draw();
// QQQ mark origin to help spot artifacts
const float TICK = 2;
Drawing.DrawLine(new Vector3(TICK, 0, 0), new Vector3(-TICK, 0, 0), Color.Green);
Drawing.DrawLine(new Vector3(0, 0, TICK), new Vector3(0, 0, -TICK), Color.Green);
// compute conversion factor miles-per-hour to meters-per-second
const float METERS_PER_MILE = 1609.344f;
const float SECONDS_PER_HOUR = 3600;
// ReSharper disable InconsistentNaming
const float MPSperMPH = METERS_PER_MILE / SECONDS_PER_HOUR;
// ReSharper restore InconsistentNaming
// display status in the upper left corner of the window
StringBuilder status = new StringBuilder();
status.AppendFormat("Speed: {0} mps ({1} mph), average: {2:0.0} mps\n\n",
(int)_vehicle.Speed,
(int)(_vehicle.Speed / MPSperMPH),
_vehicle.TotalDistance / _vehicle.TotalTime);
status.AppendFormat("collisions avoided for {0} seconds",
(int)(Demo.Clock.TotalSimulationTime - _vehicle.TimeOfLastCollision));
if (_vehicle.CountOfCollisionFreeTimes > 0)
{
status.AppendFormat("\nmean time between collisions: {0} ({1}/{2})",
(int)(_vehicle.SumOfCollisionFreeTimes / _vehicle.CountOfCollisionFreeTimes),
(int)_vehicle.SumOfCollisionFreeTimes,
_vehicle.CountOfCollisionFreeTimes);
}
status.AppendFormat("\n\nStuck count: {0} ({1} cycles, {2} off path)",
_vehicle.StuckCount,
_vehicle.StuckCycleCount,
_vehicle.StuckOffPathCount);
status.Append("\n\n[F1] ");
if (1 == MapDriver.DemoSelect)
{
status.Append("wander, ");
}
if (2 == MapDriver.DemoSelect)
{
status.Append("follow path, ");
}
status.Append("avoid obstacle");
if (2 == MapDriver.DemoSelect)
{
status.Append("\n[F2] path following direction: ");
status.Append(_vehicle.PathFollowDirection > 0 ? "+1" : "-1");
status.Append("\n[F3] path fence: ");
status.Append(_usePathFences ? "on" : "off");
}
status.Append("\n[F4] rocks: ");
status.Append(_useRandomRocks ? "on" : "off");
status.Append("\n[F5] prediction: ");
status.Append(_vehicle.CurvedSteering ? "curved" : "linear");
if (2 == MapDriver.DemoSelect)
{
status.AppendFormat("\n\nLap {0} (completed: {1}%)",
_vehicle.LapsStarted,
((_vehicle.LapsStarted < 2) ? 0 :
(int)(100 * ((float)_vehicle.LapsFinished /
(_vehicle.LapsStarted - 1))))
);
status.AppendFormat("\nHints given: {0}, taken: {1}",
_vehicle.HintGivenCount,
_vehicle.HintTakenCount);
}
status.Append("\n");
qqqRange("WR ", MapDriver.SavedNearestWR, status);
qqqRange("R ", MapDriver.SavedNearestR, status);
qqqRange("L ", MapDriver.SavedNearestL, status);
qqqRange("WL ", MapDriver.SavedNearestWL, status);
Vector3 screenLocation = new Vector3(15, 50, 0);
Vector3 color = new Vector3(0.15f, 0.15f, 0.5f);
Drawing.Draw2dTextAt2dLocation(status.ToString(), screenLocation, new Color(color.ToXna()));
{
float v = Drawing.GetWindowHeight() - 5;
const float M = 10;
float w = Drawing.GetWindowWidth();
float f = w - (2 * M);
// limit tick mark
float l = _vehicle.AnnoteMaxRelSpeed;
Drawing.Draw2dLine(new Vector3(M + (f * l), v - 3, 0), new Vector3(M + (f * l), v + 3, 0), Color.Black);
// two "inverse speedometers" showing limits due to curvature and
// path alignment
if (Math.Abs(l) > float.Epsilon)
{
float c = _vehicle.AnnoteMaxRelSpeedCurve;
float p = _vehicle.AnnoteMaxRelSpeedPath;
Drawing.Draw2dLine(new Vector3(M + (f * c), v + 1, 0), new Vector3(w - M, v + 1, 0), Color.Red);
Drawing.Draw2dLine(new Vector3(M + (f * p), v - 2, 0), new Vector3(w - M, v - 1, 0), Color.Green);
}
// speedometer: horizontal line with length proportional to speed
Drawing.Draw2dLine(new Vector3(M, v, 0), new Vector3(M + (f * S), v, 0), Color.White);
// min and max tick marks
Drawing.Draw2dLine(new Vector3(M, v, 0), new Vector3(M, v - 2, 0), Color.White);
Drawing.Draw2dLine(new Vector3(w - M, v, 0), new Vector3(w - M, v - 2, 0), Color.White);
}
}
// draw the GCRoute as a series of circles and "wide lines"
// (QQQ this should probably be a method of Path (or a
// closely-related utility function) in which case should pass
// color in, certainly shouldn't be recomputing it each draw)
public void DrawPath()
{
Vector3 pathColor = new Vector3(0, 0.5f, 0.5f);
Vector3 sandColor = new Vector3(0.8f, 0.7f, 0.5f);
Vector3 vColor = Vector3.Lerp(sandColor, pathColor, 0.1f);
Color color = new Color(vColor.ToXna());
Vector3 down = new Vector3(0, -0.1f, 0);
for (int i = 0; i < Path.PointCount; i++)
{
Vector3 endPoint0 = Path.Points[i] + down;
if (i > 0)
{
Vector3 endPoint1 = Path.Points[i - 1] + down;
float legWidth = Path.Radii[i];
Drawing.DrawXZWideLine(endPoint0, endPoint1, color, legWidth * 2);
Drawing.DrawLine(Path.Points[i], Path.Points[i - 1], new Color(pathColor.ToXna()));
Drawing.DrawXZDisk(legWidth, endPoint0, color, 24);
Drawing.DrawXZDisk(legWidth, endPoint1, color, 24);
}
}
}
