public static void panToCharacter(Character character, Camera camera, Map map, GraphicsDeviceManager graphics, int panSeconds=1)
{
// camera starts at P1. Camera moves a distance equal to the differencce between the camera's center at P1 and the chracter given.
//get the current camera position and center.
float ViewSizeX = graphics.GraphicsDevice.Viewport.Width; // width of the current game viewport
float ViewSizeY = graphics.GraphicsDevice.Viewport.Height; // height of the current game viewport
Vector2 originalCameraPosition = camera.cameraLocation; //record the original position of the camera
Vector2 originalCameraCenter = new Vector2(originalCameraPosition.X + ViewSizeX/2, originalCameraPosition.Y + ViewSizeY/2);
int originalCharPosX = (int)character.position.X;
int originalCharPosY = (int)character.position.Y;
Tile OriginalCharTile = map.tiles[originalCharPosX, originalCharPosY];// character.position;
int originalCharPosPixX = ((originalCharPosX * (Tile.width)) + ((originalCharPosY - 1) * (Tile.width / 2)) + (int)camera.cameraLocation.X);
int originalCharPosPixY = ((originalCharPosY * (Tile.height / 2)) + (int)camera.cameraLocation.Y);
Vector2 originalCharPosPix = new Vector2(originalCharPosPixX,originalCharPosPixY);
//camera change equal to the difference in the camera center at p1 and the character's initial position
Vector2 transformVector = originalCameraCenter - originalCharPosPix;
//move the camera such that it reaches its final destination in panSeconds seconds
//calculate pixels to move and sleep time such that the camera moves a distance x in panSeconds seconds
panCameraToLocation(camera, transformVector);
//camera.cameraLocation = transformVector;
}
public static void panCameraToLocation(Camera camera, Vector2 location, double panSeconds = 0.5)
{
int panMilliseconds = (int)(panSeconds * 1000);
Vector2 originalLocation = camera.cameraLocation;
double timerInterval = 25;
double panRate = (double)(Vector2.Distance(camera.cameraLocation,location))/panMilliseconds; //pixels per milliseconds
int pixelChange = (int)Math.Round(panRate * timerInterval, 0, MidpointRounding.AwayFromZero);
Timer timer = new Timer();
timer.Elapsed += (timerSender, timerEvent) => panCameraToLocationEvent(timer, camera, location, pixelChange);//new ElapsedEventHandler(panCameraToLocationEvent);
timer.Interval = timerInterval; //millisecond rate
timer.Enabled = true;
}
private static void panCameraToLocationEvent(object sender, Camera camera, Vector2 destination, int pixelChange)
{
//change vector = destination - original location
Vector2 changeVector = destination - camera.cameraLocation;
changeVector.Normalize();
changeVector = changeVector * pixelChange;
if (Vector2.Distance(camera.cameraLocation, destination) > 10)
{
//if its not close to the loction, move the camera pixelChange pixels towards the location.
camera.cameraLocation = Vector2.Add(camera.cameraLocation, changeVector);
}
else
{
Timer timer = (Timer)sender;
timer.Stop();
}
//stop when within 5 pixels of the target location. Unless the pixelChange vlue is larger than 10, this will work
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// TODO: Add your initialization logic here
base.Initialize();
battleMap = Map.buildDefaultMap(20, 20); //build map
allCover = Cover.createTestCover(battleMap);
allies = Character.createTestAllies(5, battleMap);
enemies = Character.createTestEnemies(5, battleMap); //create teams of characters
allCharacters.AddRange(allies);
allCharacters.AddRange(enemies);
playerTurn = true;
gameCamera = new Camera(); //create camera
mapWidth = battleMap.mapWidthInTiles();
mapHeight = battleMap.mapHeightInTiles();
}
public static void PanToCharacter(Character targetChar, Camera camera, Map map, float viewportWidth, float viewportHeight)
{
int originalCharPosPixX = (((int)targetChar.position.X * (Tile.width /2)) + (((int)targetChar.position.Y - 1) * (Tile.width / 2)) + (int)camera.cameraLocation.X);
int originalCharPosPixY = (((int)targetChar.position.Y * (Tile.height / 2)) - (((int)targetChar.position.X - 1) * (Tile.height /2)) + (int)camera.cameraLocation.Y);
Vector2 targetCharPosition = new Vector2(originalCharPosPixX, originalCharPosPixY);
Vector2 originalCameraPosition = camera.cameraLocation;
Vector2 originalCameraCenter = new Vector2(originalCameraPosition.X + viewportWidth / 2, originalCameraPosition.Y + viewportHeight / 2);
Vector2 cameraPanVector = originalCameraCenter - targetCharPosition;
Vector2 normalizedCameraPanVector = cameraPanVector;
normalizedCameraPanVector.Normalize();
camera.normalizedCameraPanVector = normalizedCameraPanVector;
camera.cameraPanVector = cameraPanVector;
camera.cameraDestination = targetCharPosition;
camera.cameraState = cameraState.panningToTarget;
}
public static void panToDestination(Camera camera)
{
/*Vector2 changeVector = destination - camera.cameraLocation;
changeVector.Normalize();
changeVector = changeVector * pixelChange;
*/
/*
Vector2 currentCameraLocation = camera.cameraLocation;
Vector2 changeVector = camera.normalizedCameraPanVector * (int)camera.cameraSpeed;
*/
Vector2 currentCameraLocation = camera.cameraLocation;
Vector2 changeVector = camera.cameraPanVector - currentCameraLocation;
changeVector.Normalize();
changeVector = changeVector * (int)camera.cameraSpeed;
//Vector2 newCameraLocation = currentCameraLocation - changeVector;
if (Vector2.Distance(currentCameraLocation, camera.cameraPanVector) > changeVector.Length())
{
camera.cameraLocation = Vector2.Add(camera.cameraLocation, changeVector);
} else
{
camera.cameraLocation = camera.cameraPanVector;
camera.cameraState = cameraState.still;
}
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// TODO: Add your initialization logic here
base.Initialize();
battleMap = Map.buildDefaultMap(20, 20); //build map
playState = new PlayState(battleMap);
playState.viewportWidth = graphics.GraphicsDevice.Viewport.Width;
playState.viewportHeight = graphics.GraphicsDevice.Viewport.Height;
/*allCover = Cover.createTestCover(battleMap);
allies = Character.createTestAllies(5, battleMap);
enemies = Character.createTestEnemies(5, battleMap); //create teams of characters
allCharacters.AddRange(allies);
allCharacters.AddRange(enemies);
playerTurn = true;*/
gameCamera = new Camera(); //create camera
mapWidth = battleMap.mapWidthInTiles();
mapHeight = battleMap.mapHeightInTiles();
}
public static void selectCharacter(Character character, Camera camera, Map map, GraphicsDeviceManager graphics)
{
character.selected = true;
Camera.panToCharacter(character, camera, map, graphics);
}