Camera (Pure2D Game Engine)

java.lang.Object
- com.funzio.pure2D.Camera

All Implemented Interfaces:

Manipulatable

Direct Known Subclasses:

PerspectiveCamera
```
public class Camera
extends java.lang.Object
implements Manipulatable
```

Field Summary

Fields
Modifier and Type	Field and Description
`protected int`	`mAxisSystem`
`protected RectF`	`mBounds`
`protected PointF`	`mCenter`
`protected boolean`	`mClipping`
`protected PointF`	`mHalfSize`
`protected boolean`	`mInvalidated`
`protected java.util.ArrayList<Manipulator>`	`mManipulators`
`protected int`	`mNumManipulators`
`protected float`	`mRotation`
`protected Scene`	`mScene`
`protected static float[]`	`mScratch`
`protected PointF`	`mSize`
`protected PointF`	`mZoom`
`protected RectF`	`mZoomRect`

Constructor Summary

Constructors
Constructor and Description

Camera(float width, float height)

Camera(PointF size)

Camera(PointF center, PointF size)

Constructors
Constructor and Description
`Camera(float width, float height)`
`Camera(PointF size)`
`Camera(PointF center, PointF size)`

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`addManipulator(Manipulator manipulator)`
`void`	`apply(GLState glState)`
`RectF`	`getBounds()`
`float`	`getHeight()`
`PointF`	`getPosition()`
`float`	`getRotation()`
`PointF`	`getScale()`
`Scene`	`getScene()`
`PointF`	`getSize()`
`float`	`getWidth()`
`float`	`getX()`
`float`	`getY()`
`PointF`	`getZoom()`
`RectF`	`getZoomRect()`
`void`	`globalToLocal(float worldX, float worldY, PointF result)` Find the local coordinates of a point relative to the TL corner of the Camera's Rect.
`void`	`globalToLocal(RectF globalRect, RectF result)` Find the local coordinates of a Rectangle relative to the TL corner of the Camera's Rect.
`boolean`	`intersects(RectF rect)`
`void`	`invalidate()`
`boolean`	`isClipping()`
`boolean`	`isInvalidated()`
`boolean`	`isViewable(Manipulatable obj)`
`boolean`	`isViewable(RectF rect)`
`void`	`localToGlobal(float cameraX, float cameraY, PointF result)` Find the world coordinates of a point relative to the TL corner of the Camera's Rect.
`void`	`move(float x, float y)`
`void`	`moveTo(float x, float y)`
`int`	`removeAllManipulators()`
`boolean`	`removeManipulator(Manipulator manipulator)`
`void`	`rotate(float degreeDelta)`
`void`	`setClipping(boolean clipping)`
`void`	`setPosition(float x, float y)`
`void`	`setPosition(PointF center)`
`void`	`setRotation(float degree)`
`void`	`setScale(float scale)`
`void`	`setScale(float sx, float sy)`
`void`	`setScene(Scene scene)`
`void`	`setSize(float w, float h)`
`void`	`setSize(PointF size)`
`void`	`setX(float x)`
`void`	`setY(float y)`
`void`	`setZoom(float zoom)`
`void`	`unapply(GLState glState)`
`boolean`	`update(int deltaTime)`
`protected void`	`validate()`
`void`	`zoomBy(float delta)`

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

Field Detail

mScratch

protected static final float[] mScratch

mCenter
```
protected PointF mCenter
```

mSize
```
protected PointF mSize
```

mRotation
```
protected float mRotation
```

mZoom
```
protected PointF mZoom
```

mScene
```
protected Scene mScene
```

mAxisSystem
```
protected int mAxisSystem
```

mZoomRect
```
protected RectF mZoomRect
```

mHalfSize
```
protected PointF mHalfSize
```

mInvalidated
```
protected boolean mInvalidated
```

mManipulators

protected java.util.ArrayList<Manipulator> mManipulators

mNumManipulators
```
protected int mNumManipulators
```

mClipping
```
protected boolean mClipping
```

mBounds
```
protected RectF mBounds
```

Constructor Detail

Camera
```
public Camera(PointF size)
```

Camera

public Camera(float width,
      float height)

Camera

public Camera(PointF center,
      PointF size)

Method Detail
- getPosition
```
public PointF getPosition()
```
  Specified by:
  
  getPosition in interface Manipulatable
  
  Returns:
  the Center
- setPosition
```
public final void setPosition(PointF center)
```
  Specified by:
  
  setPosition in interface Manipulatable
  
  Parameters:
  center - the Center to set
- setPosition
```
public void setPosition(float x,
               float y)
```
  Specified by:
  
  setPosition in interface Manipulatable
  
  Parameters:
  Center - the Center to set
- setX
```
public void setX(float x)
```
  Specified by:
  
  setX in interface Manipulatable
- getX
```
public final float getX()
```
  Specified by:
  
  getX in interface Manipulatable
- setY
```
public void setY(float y)
```
  Specified by:
  
  setY in interface Manipulatable
- getY
```
public final float getY()
```
  Specified by:
  
  getY in interface Manipulatable
- moveTo
```
public void moveTo(float x,
          float y)
```
  Specified by:
  
  moveTo in interface Manipulatable
- move
```
public void move(float x,
        float y)
```
  Specified by:
  
  move in interface Manipulatable
- getSize
```
public PointF getSize()
```
  Specified by:
  
  getSize in interface Manipulatable
  
  Returns:
  the size
- setSize
```
public final void setSize(PointF size)
```
  Specified by:
  
  setSize in interface Manipulatable
  
  Parameters:
  size - the size to set
- setSize
```
public void setSize(float w,
           float h)
```
  Specified by:
  
  setSize in interface Manipulatable
  
  Parameters:
  size - the size to set
- getWidth
```
public final float getWidth()
```
  Specified by:
  
  getWidth in interface Manipulatable
- getHeight
```
public final float getHeight()
```
  Specified by:
  
  getHeight in interface Manipulatable
- setRotation
```
public void setRotation(float degree)
```
  Specified by:
  
  setRotation in interface Manipulatable
- getRotation
```
public float getRotation()
```
  Specified by:
  
  getRotation in interface Manipulatable
- rotate
```
public void rotate(float degreeDelta)
```
  Specified by:
  
  rotate in interface Manipulatable
- getZoom
```
public PointF getZoom()
```
  Returns:
  the zoom
- setZoom
```
public void setZoom(float zoom)
```
  Parameters:
  zoom - the zoom to set
- zoomBy
```
public void zoomBy(float delta)
```
- setScale
```
public void setScale(float sx,
            float sy)
```
  Specified by:
  
  setScale in interface Manipulatable
- setScale
```
public void setScale(float scale)
```
  Specified by:
  
  setScale in interface Manipulatable
- getScale
```
public PointF getScale()
```
  Specified by:
  
  getScale in interface Manipulatable
- getZoomRect
```
public RectF getZoomRect()
```
  Returns:
  the zoom rect
- getScene
```
public Scene getScene()
```
  Returns:
  the scene
- setScene
```
public void setScene(Scene scene)
```
  Parameters:
  scene - the scene to set
- invalidate
```
public void invalidate()
```
- update
```
public boolean update(int deltaTime)
```
- validate
```
protected void validate()
```
- apply
```
public void apply(GLState glState)
```
- unapply
```
public void unapply(GLState glState)
```
- isInvalidated
```
public boolean isInvalidated()
```
- isViewable
```
public boolean isViewable(Manipulatable obj)
```
- isViewable
```
public boolean isViewable(RectF rect)
```
- intersects
```
public boolean intersects(RectF rect)
```
- isClipping
```
public boolean isClipping()
```
  Returns:
  the Clipping
- setClipping
```
public void setClipping(boolean clipping)
```
  Parameters:
  Clipping - the Clipping to set
- getBounds
```
public RectF getBounds()
```
  Specified by:
  
  getBounds in interface Manipulatable
  
  Returns:
  the world bounds of the Camera's Rect.
- localToGlobal
```
public void localToGlobal(float cameraX,
                 float cameraY,
                 PointF result)
```
  Find the world coordinates of a point relative to the TL corner of the Camera's Rect.
  
  Parameters:
  cameraX -
  cameraY -
  result -
- globalToLocal
```
public void globalToLocal(float worldX,
                 float worldY,
                 PointF result)
```
  Find the local coordinates of a point relative to the TL corner of the Camera's Rect.
  
  Parameters:
  worldX -
  worldY -
  result -
- globalToLocal
```
public void globalToLocal(RectF globalRect,
                 RectF result)
```
  Find the local coordinates of a Rectangle relative to the TL corner of the Camera's Rect.
  
  Parameters:
  globalRect -
  result -
- addManipulator
```
public boolean addManipulator(Manipulator manipulator)
```
- removeManipulator
```
public boolean removeManipulator(Manipulator manipulator)
```
- removeAllManipulators
```
public int removeAllManipulators()
```

Class Camera

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

mScratch

mCenter

mSize

mRotation

mZoom

mScene

mAxisSystem

mZoomRect

mHalfSize

mInvalidated

mManipulators

mNumManipulators

mClipping

mBounds

Constructor Detail

Camera

Camera

Camera

Method Detail

getPosition

setPosition

setPosition

setX

getX

setY

getY

moveTo

move

getSize

setSize

setSize

getWidth

getHeight

setRotation

getRotation

rotate

getZoom

setZoom

zoomBy

setScale

setScale

getScale

getZoomRect

getScene

setScene

invalidate

update

validate

apply

unapply

isInvalidated

isViewable

isViewable

intersects

isClipping

setClipping

getBounds

localToGlobal

globalToLocal

globalToLocal

addManipulator

removeManipulator

removeAllManipulators