public static void Update(float dt)
{
totalTime += dt;
justTouched = false;
justTapped = false;
touchStartId = null;
//while (TouchPanel.IsGestureAvailable)
//{
// GestureSample gesture = TouchPanel.ReadGesture();
// if (gesture.GestureType == GestureType.Tap)
// {
// justTapped = true;
// tapPosition = gesture.Position;
// }
//}
//stateLast = state;
state = TouchPanel.GetState();
TouchLocation?leftTouch = null, rightTouch = null;
if (tapStartCount > state.Count)
{
tapStartCount = state.Count;
// Workaround. Sometimes very fast taps won't be registered as TouchLocations with state of Released
// meaning the algorithm in the for loop below falls down :(
// Here we assume that only one tap was missed
if (state.Count == 0)
{
justTapped = true;
tapPosition = tapStarts[0].Pos;
}
}
foreach (TouchLocation loc in state)
{
if (loc.State == TouchLocationState.Released)
{
int tapStartId = -1;
for (int i = 0; i < tapStartCount; ++i)
{
if (tapStarts[i].Id == loc.Id)
{
// This touch was released. Check if it was a tap
tapStartId = i;
// COMMENTED CODE WAS TO ENSURE TAPS ARE NOT REGISTERED FOR HOLDS (LONG TAPS)
//if ((Engine.Instance.TimeTotal - tapStarts[i].Time) < 1.0f)
//{
justTapped = true;
tapPosition = loc.Position;
//}
//else
//{
// System.Diagnostics.Debug.WriteLine("Rejected touch: Held too long");
//}
break;
}
}
if (tapStartId >= 0)
{
// Remove the tap start as it has been released
for (int i = tapStartId; i < tapStartCount - 1; ++i)
{
tapStarts[i] = tapStarts[i + 1];
}
tapStartCount--;
}
continue;
}
else if (loc.State == TouchLocationState.Pressed && tapStartCount < tapStarts.Length)
{
// Started new touch
tapStarts[tapStartCount] = new TapStart(loc.Id, totalTime, loc.Position);
tapStartCount++;
justTouched = true;
touchStartId = loc.Id;
touchStartPos = loc.Position;
}
// COMMENTED CODE WAS TO REMOVE TAPS THAT DEVIATE TOO FAR FROM THEIR ORIGINAL POSITION
//else
//{
// int removeTapId = -1;
// for (int i = 0; i < tapStartCount; ++i)
// {
// if (tapStarts[i].Id == loc.Id)
// {
// // Remove any tap that deviates too far from it's original position
// float distSqr = Vector2.DistanceSquared(tapStarts[i].Pos, loc.Position);
// if (distSqr > 3600.0f)
// {
// //System.Diagnostics.Debug.WriteLine("Rejected touch: Deviated too far");
// removeTapId = i;
// }
// break;
// }
// }
// if (removeTapId >= 0)
// {
// // Remove the tap start as it has moved further than is valid
// for (int i = removeTapId; i < tapStartCount - 1; ++i)
// tapStarts[i] = tapStarts[i + 1];
// tapStartCount--;
// }
//}
if (leftStick.HasValue && loc.Id == leftStick.Value.Id)
{
// Continue left touch
leftTouch = loc;
continue;
}
if (rightStick.HasValue && loc.Id == rightStick.Value.Id)
{
// Continue right touch
rightTouch = loc;
continue;
}
TouchLocation locPrev;
if (!loc.TryGetPreviousLocation(out locPrev))
{
locPrev = loc;
}
if (!leftStick.HasValue)
{
// if we are not currently tracking a left thumbstick and this touch is on the left
// half of the screen, start tracking this touch as our left stick
if (leftStickStartRegion.Contains((int)locPrev.Position.X, (int)locPrev.Position.Y))
{
if (leftStickStyle == TouchStickStyle.Fixed)
{
if (Vector2.Distance(locPrev.Position, leftStartLocation) < aliveZoneSize)
{
leftTouch = locPrev;
}
}
else
{
leftTouch = locPrev;
leftStartLocation = leftTouch.Value.Position;
if (leftStartLocation.X < leftStickStartRegion.Left + DistFromScreenEdge)
{
leftStartLocation.X = leftStickStartRegion.Left + DistFromScreenEdge;
}
if (leftStartLocation.Y > leftStickStartRegion.Bottom - DistFromScreenEdge)
{
leftStartLocation.Y = leftStickStartRegion.Bottom - DistFromScreenEdge;
}
}
continue;
}
}
if (!rightStick.HasValue)
{
// if we are not currently tracking a right thumbstick and this touch is on the right
// half of the screen, start tracking this touch as our right stick
if (rightStickStartRegion.Contains((int)locPrev.Position.X, (int)locPrev.Position.Y))
{
if (rightStickStyle == TouchStickStyle.Fixed)
{
if (Vector2.Distance(locPrev.Position, rightStartLocation) < aliveZoneSize)
{
rightTouch = locPrev;
}
}
else
{
rightTouch = locPrev;
rightStartLocation = rightTouch.Value.Position;
// Ensure touch is not too close to screen edge
if (rightStartLocation.X > rightStickStartRegion.Right - DistFromScreenEdge)
{
rightStartLocation.X = rightStickStartRegion.Right - DistFromScreenEdge;
}
if (rightStartLocation.Y > rightStickStartRegion.Bottom - DistFromScreenEdge)
{
rightStartLocation.Y = rightStickStartRegion.Bottom - DistFromScreenEdge;
}
}
continue;
}
}
}
if (leftTouch.HasValue)
{
leftStick = leftTouch;
leftStickPos = leftTouch.Value.Position;
EvaluateLeftPoint(leftStickPos, dt);
}
else
{
bool foundNew = false;
if (leftStick.HasValue)
{
// No left touch now but previously there was. Check to see if the TouchPanel decided
// to reset our touch id. Search for any touch within 10 pixel radius.
foreach (TouchLocation loc in state)
{
Vector2 pos = loc.Position;
float distSqr; Vector2.DistanceSquared(ref pos, ref leftStickPos, out distSqr);
if (distSqr < 100f)
{
foundNew = true;
leftStick = loc;
leftStickPos = loc.Position;
EvaluateLeftPoint(leftStickPos, dt);
}
}
}
if (!foundNew)
{
leftStick = null;
leftStickDirection = Vector2.Zero;
leftStickMagnitude = 0.0f;
}
}
if (rightTouch.HasValue)
{
rightStick = rightTouch;
rightStickPos = rightTouch.Value.Position;
EvaluateRightPoint(rightStickPos, dt);
}
else
{
bool foundNew = false;
if (rightStick.HasValue)
{
// No right touch now but previously there was. Check to see if the TouchPanel decided
// to reset our touch id. Search for any touch within 10 pixel radius.
foreach (TouchLocation loc in state)
{
Vector2 pos = loc.Position;
float distSqr; Vector2.DistanceSquared(ref pos, ref rightStickPos, out distSqr);
if (distSqr < 100f)
{
foundNew = true;
rightStick = loc;
rightStickPos = loc.Position;
EvaluateRightPoint(rightStickPos, dt);
}
}
}
//
if (!foundNew)
{
rightStick = null;
rightStickDirection = Vector2.Zero;
rightStickMagnitude = 0.0f;
}
}
}
public static void Update(float dt)
{
totalTime += dt;
justTouched = false;
justTapped = false;
touchStartId = null;
//while (TouchPanel.IsGestureAvailable)
//{
// GestureSample gesture = TouchPanel.ReadGesture();
// if (gesture.GestureType == GestureType.Tap)
// {
// justTapped = true;
// tapPosition = gesture.Position;
// }
//}
//stateLast = state;
state = TouchPanel.GetState();
TouchLocation? leftTouch = null, rightTouch = null;
if (tapStartCount > state.Count)
{
tapStartCount = state.Count;
// Workaround. Sometimes very fast taps won't be registered as TouchLocations with state of Released
// meaning the algorithm in the for loop below falls down :(
// Here we assume that only one tap was missed
if (state.Count == 0)
{
justTapped = true;
tapPosition = tapStarts[0].Pos;
}
}
foreach (TouchLocation loc in state)
{
if (loc.State == TouchLocationState.Released)
{
int tapStartId = -1;
for (int i = 0; i < tapStartCount; ++i)
{
if (tapStarts[i].Id == loc.Id)
{
// This touch was released. Check if it was a tap
tapStartId = i;
// COMMENTED CODE WAS TO ENSURE TAPS ARE NOT REGISTERED FOR HOLDS (LONG TAPS)
//if ((Engine.Instance.TimeTotal - tapStarts[i].Time) < 1.0f)
//{
justTapped = true;
tapPosition = loc.Position;
//}
//else
//{
// System.Diagnostics.Debug.WriteLine("Rejected touch: Held too long");
//}
break;
}
}
if (tapStartId >= 0)
{
// Remove the tap start as it has been released
for (int i = tapStartId; i < tapStartCount - 1; ++i)
tapStarts[i] = tapStarts[i + 1];
tapStartCount--;
}
continue;
}
else if (loc.State == TouchLocationState.Pressed && tapStartCount < tapStarts.Length)
{
// Started new touch
tapStarts[tapStartCount] = new TapStart(loc.Id, totalTime, loc.Position);
tapStartCount++;
justTouched = true;
touchStartId = loc.Id;
touchStartPos = loc.Position;
}
// COMMENTED CODE WAS TO REMOVE TAPS THAT DEVIATE TOO FAR FROM THEIR ORIGINAL POSITION
//else
//{
// int removeTapId = -1;
// for (int i = 0; i < tapStartCount; ++i)
// {
// if (tapStarts[i].Id == loc.Id)
// {
// // Remove any tap that deviates too far from it's original position
// float distSqr = Vector2.DistanceSquared(tapStarts[i].Pos, loc.Position);
// if (distSqr > 3600.0f)
// {
// //System.Diagnostics.Debug.WriteLine("Rejected touch: Deviated too far");
// removeTapId = i;
// }
// break;
// }
// }
// if (removeTapId >= 0)
// {
// // Remove the tap start as it has moved further than is valid
// for (int i = removeTapId; i < tapStartCount - 1; ++i)
// tapStarts[i] = tapStarts[i + 1];
// tapStartCount--;
// }
//}
if (leftStick.HasValue && loc.Id == leftStick.Value.Id)
{
// Continue left touch
leftTouch = loc;
continue;
}
if (rightStick.HasValue && loc.Id == rightStick.Value.Id)
{
// Continue right touch
rightTouch = loc;
continue;
}
TouchLocation locPrev;
if (!loc.TryGetPreviousLocation(out locPrev))
locPrev = loc;
if (!leftStick.HasValue)
{
// if we are not currently tracking a left thumbstick and this touch is on the left
// half of the screen, start tracking this touch as our left stick
if (leftStickStartRegion.Contains((int)locPrev.Position.X, (int)locPrev.Position.Y))
{
if (leftStickStyle == TouchStickStyle.Fixed)
{
if (Vector2.Distance(locPrev.Position, leftStartLocation) < aliveZoneSize)
{
leftTouch = locPrev;
}
}
else
{
leftTouch = locPrev;
leftStartLocation = leftTouch.Value.Position;
if (leftStartLocation.X < leftStickStartRegion.Left + DistFromScreenEdge)
leftStartLocation.X = leftStickStartRegion.Left + DistFromScreenEdge;
if (leftStartLocation.Y > leftStickStartRegion.Bottom - DistFromScreenEdge)
leftStartLocation.Y = leftStickStartRegion.Bottom - DistFromScreenEdge;
}
continue;
}
}
if (!rightStick.HasValue)
{
// if we are not currently tracking a right thumbstick and this touch is on the right
// half of the screen, start tracking this touch as our right stick
if (rightStickStartRegion.Contains((int)locPrev.Position.X, (int)locPrev.Position.Y))
{
if (rightStickStyle == TouchStickStyle.Fixed)
{
if (Vector2.Distance(locPrev.Position, rightStartLocation) < aliveZoneSize)
{
rightTouch = locPrev;
}
}
else
{
rightTouch = locPrev;
rightStartLocation = rightTouch.Value.Position;
// Ensure touch is not too close to screen edge
if (rightStartLocation.X > rightStickStartRegion.Right - DistFromScreenEdge)
rightStartLocation.X = rightStickStartRegion.Right - DistFromScreenEdge;
if (rightStartLocation.Y > rightStickStartRegion.Bottom - DistFromScreenEdge)
rightStartLocation.Y = rightStickStartRegion.Bottom - DistFromScreenEdge;
}
continue;
}
}
}
if (leftTouch.HasValue)
{
leftStick = leftTouch;
leftStickPos = leftTouch.Value.Position;
EvaluateLeftPoint(leftStickPos, dt);
}
else
{
bool foundNew = false;
if (leftStick.HasValue)
{
// No left touch now but previously there was. Check to see if the TouchPanel decided
// to reset our touch id. Search for any touch within 10 pixel radius.
foreach (TouchLocation loc in state)
{
Vector2 pos = loc.Position;
float distSqr; Vector2.DistanceSquared(ref pos, ref leftStickPos, out distSqr);
if (distSqr < 100f)
{
foundNew = true;
leftStick = loc;
leftStickPos = loc.Position;
EvaluateLeftPoint(leftStickPos, dt);
}
}
}
if (!foundNew)
{
leftStick = null;
leftStickDirection = Vector2.Zero;
leftStickMagnitude = 0.0f;
}
}
if (rightTouch.HasValue)
{
rightStick = rightTouch;
rightStickPos = rightTouch.Value.Position;
EvaluateRightPoint(rightStickPos, dt);
}
else
{
bool foundNew = false;
if (rightStick.HasValue)
{
// No right touch now but previously there was. Check to see if the TouchPanel decided
// to reset our touch id. Search for any touch within 10 pixel radius.
foreach (TouchLocation loc in state)
{
Vector2 pos = loc.Position;
float distSqr; Vector2.DistanceSquared(ref pos, ref rightStickPos, out distSqr);
if (distSqr < 100f)
{
foundNew = true;
rightStick = loc;
rightStickPos = loc.Position;
EvaluateRightPoint(rightStickPos, dt);
}
}
}
//
if (!foundNew)
{
rightStick = null;
rightStickDirection = Vector2.Zero;
rightStickMagnitude = 0.0f;
}
}
}
public void Update(GameTime gameTime)
{
var dt = (float)gameTime.ElapsedGameTime.TotalMilliseconds;
totalTime += dt;
var state = TouchPanel.GetState();
TouchLocation?leftTouch = null, rightTouch = null;
if (tapStartCount > state.Count)
{
tapStartCount = state.Count;
}
foreach (TouchLocation loc in state)
{
if (loc.State == TouchLocationState.Released)
{
int tapStartId = -1;
for (int i = 0; i < tapStartCount; ++i)
{
if (tapStarts[i].Id == loc.Id)
{
tapStartId = i;
break;
}
}
if (tapStartId >= 0)
{
for (int i = tapStartId; i < tapStartCount - 1; ++i)
{
tapStarts[i] = tapStarts[i + 1];
}
tapStartCount--;
}
continue;
}
else if (loc.State == TouchLocationState.Pressed && tapStartCount < tapStarts.Length)
{
tapStarts[tapStartCount] = new TapStart(loc.Id, totalTime, loc.Position);
tapStartCount++;
}
if (LeftStick.touchLocation.HasValue && loc.Id == LeftStick.touchLocation.Value.Id)
{
leftTouch = loc;
continue;
}
if (RightStick.touchLocation.HasValue && loc.Id == RightStick.touchLocation.Value.Id)
{
rightTouch = loc;
continue;
}
if (!loc.TryGetPreviousLocation(out TouchLocation locPrev))
{
locPrev = loc;
}
if (!LeftStick.touchLocation.HasValue)
{
if (LeftStick.StartRegion.Contains((int)locPrev.Position.X, (int)locPrev.Position.Y))
{
if (LeftStick.Style == TouchStickStyle.Fixed)
{
if (Vector2.Distance(locPrev.Position, LeftStick.StartLocation) < aliveZoneSize)
{
leftTouch = locPrev;
}
}
else
{
leftTouch = locPrev;
LeftStick.StartLocation = leftTouch.Value.Position;
if (LeftStick.StartLocation.X < LeftStick.StartRegion.Left + edgeSpacing)
{
LeftStick.StartLocation.X = LeftStick.StartRegion.Left + edgeSpacing;
}
if (LeftStick.StartLocation.Y > LeftStick.StartRegion.Bottom - edgeSpacing)
{
LeftStick.StartLocation.Y = LeftStick.StartRegion.Bottom - edgeSpacing;
}
}
continue;
}
}
if (!RightStick.touchLocation.HasValue && locPrev.Id != RightStick.lastExcludedRightTouchId)
{
if (RightStick.StartRegion.Contains((int)locPrev.Position.X, (int)locPrev.Position.Y))
{
bool excluded = false;
foreach (Rectangle r in RightStick.startExcludeRegions)
{
if (r.Contains((int)locPrev.Position.X, (int)locPrev.Position.Y))
{
excluded = true;
RightStick.lastExcludedRightTouchId = locPrev.Id;
continue;
}
}
if (excluded)
{
continue;
}
RightStick.lastExcludedRightTouchId = -1;
if (RightStick.Style == TouchStickStyle.Fixed)
{
if (Vector2.Distance(locPrev.Position, RightStick.StartLocation) < aliveZoneSize)
{
rightTouch = locPrev;
}
}
else
{
rightTouch = locPrev;
RightStick.StartLocation = rightTouch.Value.Position;
if (RightStick.StartLocation.X > RightStick.StartRegion.Right - edgeSpacing)
{
RightStick.StartLocation.X = RightStick.StartRegion.Right - edgeSpacing;
}
if (RightStick.StartLocation.Y > RightStick.StartRegion.Bottom - edgeSpacing)
{
RightStick.StartLocation.Y = RightStick.StartRegion.Bottom - edgeSpacing;
}
}
continue;
}
}
}
LeftStick.Update(state, leftTouch, dt);
RightStick.Update(state, rightTouch, dt);
}