java.lang.Object
- com.bombinggames.wurfelengine.core.Camera

```
public class Camera
extends java.lang.Object
```
Creates a virtual camera wich displays the game world on the viewport. A camera can be locked to an entity with setFocusEntity(AbstractEntity).

Constructor Summary

Constructors
Constructor	Description
`Camera(GameView view)`	Creates a fullscale camera pointing at the middle of the map.
`Camera(GameView view, int x, int y, int width, int height)`	Creates a camera pointing at the middle of the map.
`Camera(GameView view, int x, int y, int width, int height, AbstractEntity focusentity)`	Creates a camera focusing an entity.
`Camera(GameView view, int x, int y, int width, int height, Point center)`	Create a camera focusin a specific coordinate.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`endMultiRendering()`	Stop the multipass rendering.
`Point`	`getCenter()`	Returns the focuspoint.
`int`	`getCenterChunkX()`
`int`	`getCenterChunkY()`
`GameView`	`getGameView()`
`int`	`getHeightScreenSpc()`	Returns the height of the camera output.
`int`	`getId()`
`float`	`getProjScaling()`	Returns a scaling factor calculated by the width to achieve the same viewport size with every resolution.
`int`	`getScreenPosX()`	Returns the position of the cameras output (on the screen)
`int`	`getScreenPosY()`	Returns the position of the camera (on the screen)
`float`	`getViewSpaceX()`	The Camera Position in the game world.
`float`	`getViewSpaceY()`	The Camera's center position in the game world. viewMat space. yIndex up
`int`	`getVisibleBackBorder()`	Returns the top seight border of the camera covered groundBlock
`int`	`getVisibleFrontBorderHigh()`	Returns the bottom seight border y-coordinate of the frontmost cells which could be visible.
`int`	`getVisibleFrontBorderLow()`	Returns the bottom seight border y-coordinate of the lowest cell
`int`	`getVisibleLeftBorder()`	Returns the left border of the actual visible area.
`float`	`getVisibleLeftBorderVS()`	Returns the left border of the actual visible area.
`int`	`getVisibleRightBorder()`	Returns the right seight border of the camera covered area currently visible.
`float`	`getVisibleRightBorderVS()`	Returns the right seight border of the camera covered area currently visible.
`int`	`getWidthScreenSpc()`	Returns the width of the camera output.
`int`	`getWorldHeightViewport()`	The amount of game pixel which are visible in Y direction after the zoom has been applied.
`int`	`getWorldWidthViewport()`	The amount of game pixels which are visible in X direction after the zoom has been applied.
`float`	`getZoom()`	Returns the zoomfactor.
`void`	`initSorter()`
`boolean`	`inViewFrustum(Position pos)`	checks if the projected position is inside the viewMat Frustum
`boolean`	`isEnabled()`
`boolean`	`isFullWindow()`	Does the cameras output cover the whole screen?
`void`	`loadShader()`
`void`	`move(int x, int y)`	Move x and y coordinate
`void`	`render(GameView view)`	Renders the viewport
`void`	`resize(int width, int height)`	Should be called when resized
`void`	`setActive(boolean active)`	enable or disable the camera
`void`	`setCenter(Point point)`	Set the cameras center to a point.
`void`	`setFocusEntity(AbstractEntity focusEntity)`	Sets the center of the camera to this entity and follows it.
`void`	`setFullWindow(boolean fullWindow)`	Set to true if the camera's output should cover the whole window
`void`	`setId(int id)`
`void`	`setInternalRenderResolution(int resolution)`	the width of the internal render resolution
`void`	`setScreenSize(int width, int height)`	updates the screen size
`void`	`setZoom(float zoom)`	Set the zoom factor.
`void`	`shake(float amplitude, float time)`	shakes the screen
`void`	`startMultiRendering()`	Allows the rendering of mutiple images (multipass) without resorting.
`void`	`update(float dt)`	Updates the camera.
`void`	`updateCenter()`	Check if center has to be moved and if chunks must be loaded or unloaded performs according actions.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Camera
```
public Camera(GameView view)
```
    Creates a fullscale camera pointing at the middle of the map.
    
    Parameters:
    
    view -
  - Camera
```
public Camera(GameView view,
              int x,
              int y,
              int width,
              int height)
```
    Creates a camera pointing at the middle of the map.
    
    Parameters:
    
    x - the position in the application window (viewport position). Origin top left
    
    y - the position in the application window (viewport position). Origin top left
    
    width - The width of the image (screen size) the camera creates on the application window (viewport)
    
    height - The height of the image (screen size) the camera creates on the application window (viewport)
    
    view -
  - Camera
```
public Camera(GameView view,
              int x,
              int y,
              int width,
              int height,
              Point center)
```
    Create a camera focusin a specific coordinate. It can later be changed with focusCoordinates(). Screen size does refer to the output of the camera not the real size on the display.
    
    Parameters:
    
    center - the point where the camera focuses
    
    x - the position in the application window (viewport position). Origin top left
    
    y - the position in the application window (viewport position). Origin top left
    
    width - The width of the image (screen size) the camera creates on the application window (viewport)
    
    height - The height of the image (screen size) the camera creates on the application window (viewport)
    
    view -
  - Camera
```
public Camera(GameView view,
              int x,
              int y,
              int width,
              int height,
              AbstractEntity focusentity)
```
    Creates a camera focusing an entity. The values are sceen-size and do refer to the output of the camera not the real display size.
    
    Parameters:
    
    focusentity - the entity wich the camera focuses and follows
    
    x - the position in the application window (viewport position). Origin top left
    
    y - the position in the application window (viewport position). Origin top left
    
    width - The width of the image (screen size) the camera creates on the application window (viewport)
    
    height - The height of the image (screen size) the camera creates on the application window (viewport)
    
    view -
- Method Detail
  - loadShader
```
public void loadShader()
```
  - update
```
public final void update(float dt)
```
    Updates the camera.
    
    Parameters:
    
    dt -
  - initSorter
```
public void initSorter()
```
  - updateCenter
```
public void updateCenter()
```
    Check if center has to be moved and if chunks must be loaded or unloaded performs according actions.
  - render
```
public void render(GameView view)
```
    Renders the viewport
    
    Parameters:
    
    view -
  - startMultiRendering
```
public void startMultiRendering()
```
    Allows the rendering of mutiple images (multipass) without resorting.
  - endMultiRendering
```
public void endMultiRendering()
```
    Stop the multipass rendering. After this method each new call to render(GameView) is sorting again.
  - inViewFrustum
```
public boolean inViewFrustum(Position pos)
```
    checks if the projected position is inside the viewMat Frustum
    
    Parameters:
    
    pos -
    
    Returns:
  - getVisibleLeftBorderVS
```
public float getVisibleLeftBorderVS()
```
    Returns the left border of the actual visible area.
    
    Returns:
    
    left x position in view space
  - getVisibleLeftBorder
```
public int getVisibleLeftBorder()
```
    Returns the left border of the actual visible area.
    
    Returns:
    
    the left (X) border coordinate
  - getVisibleRightBorder
```
public int getVisibleRightBorder()
```
    Returns the right seight border of the camera covered area currently visible.
    
    Returns:
    
    measured in grid-coordinates
  - getVisibleRightBorderVS
```
public float getVisibleRightBorderVS()
```
    Returns the right seight border of the camera covered area currently visible.
    
    Returns:
    
    measured in grid-coordinates
  - getVisibleBackBorder
```
public int getVisibleBackBorder()
```
    Returns the top seight border of the camera covered groundBlock
    
    Returns:
    
    measured in grid-coordinates
  - getVisibleFrontBorderLow
```
public int getVisibleFrontBorderLow()
```
    Returns the bottom seight border y-coordinate of the lowest cell
    
    Returns:
    
    measured in grid-coordinates
    
    See Also:
    
    getVisibleFrontBorderHigh()
  - getVisibleFrontBorderHigh
```
public int getVisibleFrontBorderHigh()
```
    Returns the bottom seight border y-coordinate of the frontmost cells which could be visible.
    
    Returns:
    
    measured in grid-coordinates
    
    See Also:
    
    getVisibleFrontBorderLow()
  - getViewSpaceX
```
public float getViewSpaceX()
```
    The Camera Position in the game world.
    
    Returns:
    
    game in pixels
  - getViewSpaceY
```
public float getViewSpaceY()
```
    The Camera's center position in the game world. viewMat space. yIndex up
    
    Returns:
    
    in camera position game space
  - setZoom
```
public void setZoom(float zoom)
```
    Set the zoom factor.
    
    Parameters:
    
    zoom - 1 is default
  - setInternalRenderResolution
```
public void setInternalRenderResolution(int resolution)
```
    the width of the internal render resolution
    
    Parameters:
    
    resolution -
  - getZoom
```
public float getZoom()
```
    Returns the zoomfactor.
    
    Returns:
    
    zoomfactor applied on the game world
  - getProjScaling
```
public float getProjScaling()
```
    Returns a scaling factor calculated by the width to achieve the same viewport size with every resolution. If displayed twice as big as render resolution has factor 2.
    
    Returns:
    
    a scaling factor applied on the projection
  - getWorldWidthViewport
```
public final int getWorldWidthViewport()
```
    The amount of game pixels which are visible in X direction after the zoom has been applied. For screen pixels use getWidthScreenSpc().
    
    Returns:
    
    in projection space
  - getWorldHeightViewport
```
public final int getWorldHeightViewport()
```
    The amount of game pixel which are visible in Y direction after the zoom has been applied. For screen pixels use getHeightScreenSpc().
    
    Returns:
    
    in projection space
  - getScreenPosX
```
public int getScreenPosX()
```
    Returns the position of the cameras output (on the screen)
    
    Returns:
    
    in projection pixels
  - getScreenPosY
```
public int getScreenPosY()
```
    Returns the position of the camera (on the screen)
    
    Returns:
    
    yIndex-down
  - getHeightScreenSpc
```
public int getHeightScreenSpc()
```
    Returns the height of the camera output.
    
    Returns:
    
    the value before scaling
  - getWidthScreenSpc
```
public int getWidthScreenSpc()
```
    Returns the width of the camera output.
    
    Returns:
    
    the value before scaling
  - isFullWindow
```
public boolean isFullWindow()
```
    Does the cameras output cover the whole screen?
    
    Returns:
  - setFullWindow
```
public void setFullWindow(boolean fullWindow)
```
    Set to true if the camera's output should cover the whole window
    
    Parameters:
    
    fullWindow -
  - resize
```
public void resize(int width,
                   int height)
```
    Should be called when resized
    
    Parameters:
    
    width - width of window
    
    height - height of window
  - setScreenSize
```
public void setScreenSize(int width,
                          int height)
```
    updates the screen size
    
    Parameters:
    
    width -
    
    height -
  - move
```
public void move(int x,
                 int y)
```
    Move x and y coordinate
    
    Parameters:
    
    x - in game space
    
    y - in game space
  - shake
```
public void shake(float amplitude,
                  float time)
```
    shakes the screen
    
    Parameters:
    
    amplitude -
    
    time - game time
  - getCenter
```
public Point getCenter()
```
    Returns the focuspoint. Approximated because is stored in view space and backtransformation is a line.
    
    Returns:
    
    in game space
  - setCenter
```
public void setCenter(Point point)
```
    Set the cameras center to a point. If the camera is locked to a an entity this lock will be removed.
    
    Parameters:
    
    point - game space. z gets ignored
  - setFocusEntity
```
public void setFocusEntity(AbstractEntity focusEntity)
```
    Sets the center of the camera to this entity and follows it.
    
    Parameters:
    
    focusEntity - must be spawned.
  - setActive
```
public void setActive(boolean active)
```
    enable or disable the camera
    
    Parameters:
    
    active -
  - getGameView
```
public GameView getGameView()
```
  - getCenterChunkX
```
public int getCenterChunkX()
```
    Returns:
  - getCenterChunkY
```
public int getCenterChunkY()
```
    Returns:
  - isEnabled
```
public boolean isEnabled()
```
    Returns:
  - setId
```
public void setId(int id)
```
    Parameters:
    
    id -
  - getId
```
public int getId()
```

Class Camera

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Camera

Camera

Camera

Camera

Method Detail

loadShader

update

initSorter

updateCenter

render

startMultiRendering

endMultiRendering

inViewFrustum

getVisibleLeftBorderVS

getVisibleLeftBorder

getVisibleRightBorder

getVisibleRightBorderVS

getVisibleBackBorder

getVisibleFrontBorderLow

getVisibleFrontBorderHigh

getViewSpaceX

getViewSpaceY

setZoom

setInternalRenderResolution

getZoom

getProjScaling

getWorldWidthViewport

getWorldHeightViewport

getScreenPosX

getScreenPosY

getHeightScreenSpc

getWidthScreenSpc

isFullWindow

setFullWindow

resize

setScreenSize

move

shake

getCenter

setCenter

setFocusEntity

setActive

getGameView

getCenterChunkX

getCenterChunkY

isEnabled

setId

getId