SCNPhysicsField (moe.platform.ios API)

java.lang.Object
- org.moe.natj.general.NativeObject
- - org.moe.natj.objc.ObjCObject
  - - apple.NSObject
    - - apple.scenekit.SCNPhysicsField

All Implemented Interfaces:

NSCoding, NSCopying, NSSecureCoding, NSObject
```
public class SCNPhysicsField
extends NSObject
implements NSCopying, NSSecureCoding
```
SCNPhysicsField
SCNPhysicsField is an abstract class that describes a force field that applies in the physics world.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static interface SCNPhysicsField.Block_customFieldWithEvaluationBlock
- Nested classes/interfaces inherited from class apple.NSObject
  NSObject.Function_instanceMethodForSelector_ret, NSObject.Function_methodForSelector_ret

Nested Classes
Modifier and Type	Class and Description
`static interface`	`SCNPhysicsField.Block_customFieldWithEvaluationBlock`

Constructor Summary

Constructors
Modifier Constructor and Description

protected SCNPhysicsField(org.moe.natj.general.Pointer peer)

Constructors
Modifier	Constructor and Description
`protected`	`SCNPhysicsField(org.moe.natj.general.Pointer peer)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`_supportsSecureCoding()` This property must return YES on all classes that allow secure coding.
`static boolean`	`accessInstanceVariablesDirectly()`
`static SCNPhysicsField`	`alloc()`
`static SCNPhysicsField`	`allocWithZone(org.moe.natj.general.ptr.VoidPtr zone)`
`static boolean`	`automaticallyNotifiesObserversForKey(java.lang.String key)`
`static void`	`cancelPreviousPerformRequestsWithTarget(java.lang.Object aTarget)`
`static void`	`cancelPreviousPerformRequestsWithTargetSelectorObject(java.lang.Object aTarget, org.moe.natj.objc.SEL aSelector, java.lang.Object anArgument)`
`long`	`categoryBitMask()` [@property] categoryBitMask
`static NSArray<java.lang.String>`	`classFallbacksForKeyedArchiver()`
`static org.moe.natj.objc.Class`	`classForKeyedUnarchiver()`
`java.lang.Object`	`copyWithZone(org.moe.natj.general.ptr.VoidPtr zone)`
`static SCNPhysicsField`	`customFieldWithEvaluationBlock(SCNPhysicsField.Block_customFieldWithEvaluationBlock block)` A field force with a custom force evaluator.
`static java.lang.String`	`debugDescription_static()`
`static java.lang.String`	`description_static()`
`SCNVector3`	`direction()` Direction of the field.
`static SCNPhysicsField`	`dragField()` Slows an object proportionally to the object’s velocity.
`static SCNPhysicsField`	`electricField()` A force proportional to the charge on the object.
`void`	`encodeWithCoder(NSCoder coder)`
`double`	`falloffExponent()` Changes the power of the force based on the distance from the center of the field (1 / distance ^ falloffExponent).
`SCNVector3`	`halfExtent()` Specifies the half extent of the area of effect.
`static long`	`hash_static()`
`SCNPhysicsField`	`init()`
`SCNPhysicsField`	`initWithCoder(NSCoder coder)` NS_DESIGNATED_INITIALIZER
`static NSObject.Function_instanceMethodForSelector_ret`	`instanceMethodForSelector(org.moe.natj.objc.SEL aSelector)`
`static NSMethodSignature`	`instanceMethodSignatureForSelector(org.moe.natj.objc.SEL aSelector)`
`static boolean`	`instancesRespondToSelector(org.moe.natj.objc.SEL aSelector)`
`boolean`	`isActive()` Specifies whether force field is active or not.
`boolean`	`isExclusive()` If YES, it suppresses any other field in its area.
`static boolean`	`isSubclassOfClass(org.moe.natj.objc.Class aClass)`
`static NSSet<java.lang.String>`	`keyPathsForValuesAffectingValueForKey(java.lang.String key)`
`static SCNPhysicsField`	`linearGravityField()` Applies a force in the direction of the "direction" vector in the local space.
`static SCNPhysicsField`	`magneticField()` A force proportional to the charge on the object and the object’s velocity.
`double`	`minimumDistance()` Distance from the center of the field where the effect is at full strength.
`static SCNPhysicsField`	`new_objc()`
`static SCNPhysicsField`	`noiseFieldWithSmoothnessAnimationSpeed(double smoothness, double speed)` A time varying differentiable Perlin simplex noise field.
`SCNVector3`	`offset()` Offset of origin effect within the area.
`static SCNPhysicsField`	`radialGravityField()` Applies a force in the direction of the origin of the field in local space.
`static boolean`	`resolveClassMethod(org.moe.natj.objc.SEL sel)`
`static boolean`	`resolveInstanceMethod(org.moe.natj.objc.SEL sel)`
`long`	`scope()` Controls whether the force field should apply inside or outside of the area.
`void`	`setActive(boolean value)` Specifies whether force field is active or not.
`void`	`setCategoryBitMask(long value)` [@property] categoryBitMask
`void`	`setDirection(SCNVector3 value)` Direction of the field.
`void`	`setExclusive(boolean value)` If YES, it suppresses any other field in its area.
`void`	`setFalloffExponent(double value)` Changes the power of the force based on the distance from the center of the field (1 / distance ^ falloffExponent).
`void`	`setHalfExtent(SCNVector3 value)` Specifies the half extent of the area of effect.
`void`	`setMinimumDistance(double value)` Distance from the center of the field where the effect is at full strength.
`void`	`setOffset(SCNVector3 value)` Offset of origin effect within the area.
`void`	`setScope(long value)` Controls whether the force field should apply inside or outside of the area.
`void`	`setStrength(double value)` The strength factor of the force field.
`void`	`setUsesEllipsoidalExtent(boolean value)` YES means that the area of effect is rounded within the extent.
`static void`	`setVersion_static(long aVersion)`
`static SCNPhysicsField`	`springField()` A Hooke’s law force - a force linearly proportional to distance from the center of the field.
`double`	`strength()` The strength factor of the force field.
`static org.moe.natj.objc.Class`	`superclass_static()`
`static boolean`	`supportsSecureCoding()`
`static SCNPhysicsField`	`turbulenceFieldWithSmoothnessAnimationSpeed(double smoothness, double speed)` Just like Noise, except the strength of the noise is proportional to the velocity of the object in the field.
`boolean`	`usesEllipsoidalExtent()` YES means that the area of effect is rounded within the extent.
`static long`	`version_static()`
`static SCNPhysicsField`	`vortexField()` Applies a force tangential to the direction from the sample point to the field's position.

Methods inherited from class apple.NSObject
accessibilityActivate, accessibilityActivationPoint, accessibilityAssistiveTechnologyFocusedIdentifiers, accessibilityAttributedHint, accessibilityAttributedLabel, accessibilityAttributedUserInputLabels, accessibilityAttributedValue, accessibilityContainerType, accessibilityCustomActions, accessibilityCustomRotors, accessibilityDecrement, accessibilityDragSourceDescriptors, accessibilityDropPointDescriptors, accessibilityElementAtIndex, accessibilityElementCount, accessibilityElementDidBecomeFocused, accessibilityElementDidLoseFocus, accessibilityElementIsFocused, accessibilityElements, accessibilityElementsHidden, accessibilityFrame, accessibilityHint, accessibilityIncrement, accessibilityLabel, accessibilityLanguage, accessibilityNavigationStyle, accessibilityPath, accessibilityPerformEscape, accessibilityPerformMagicTap, accessibilityRespondsToUserInteraction, accessibilityScroll, accessibilityTextualContext, accessibilityTraits, accessibilityUserInputLabels, accessibilityValue, accessibilityViewIsModal, addObserverForKeyPathOptionsContext, attemptRecoveryFromErrorOptionIndex, attemptRecoveryFromErrorOptionIndexDelegateDidRecoverSelectorContextInfo, autoContentAccessingProxy, awakeAfterUsingCoder, awakeFromNib, class_objc, classForCoder, classForKeyedArchiver, copy, dealloc, debugDescription, description, dictionaryWithValuesForKeys, didChangeValueForKey, didChangeValueForKeyWithSetMutationUsingObjects, didChangeValuesAtIndexesForKey, doesNotRecognizeSelector, fileManagerShouldProceedAfterError, fileManagerWillProcessPath, finalize_objc, forwardingTargetForSelector, forwardInvocation, hash, indexOfAccessibilityElement, isAccessibilityElement, isEqual, isKindOfClass, isMemberOfClass, isProxy, methodForSelector, methodSignatureForSelector, mutableArrayValueForKey, mutableArrayValueForKeyPath, mutableCopy, mutableOrderedSetValueForKey, mutableOrderedSetValueForKeyPath, mutableSetValueForKey, mutableSetValueForKeyPath, observationInfo, observeValueForKeyPathOfObjectChangeContext, performSelector, performSelectorInBackgroundWithObject, performSelectorOnMainThreadWithObjectWaitUntilDone, performSelectorOnMainThreadWithObjectWaitUntilDoneModes, performSelectorOnThreadWithObjectWaitUntilDone, performSelectorOnThreadWithObjectWaitUntilDoneModes, performSelectorWithObject, performSelectorWithObjectAfterDelay, performSelectorWithObjectAfterDelayInModes, performSelectorWithObjectWithObject, prepareForInterfaceBuilder, provideImageDataBytesPerRowOrigin_Size_UserInfo, removeObserverForKeyPath, removeObserverForKeyPathContext, replacementObjectForCoder, replacementObjectForKeyedArchiver, respondsToSelector, self, setAccessibilityActivationPoint, setAccessibilityAttributedHint, setAccessibilityAttributedLabel, setAccessibilityAttributedUserInputLabels, setAccessibilityAttributedValue, setAccessibilityContainerType, setAccessibilityCustomActions, setAccessibilityCustomRotors, setAccessibilityDragSourceDescriptors, setAccessibilityDropPointDescriptors, setAccessibilityElements, setAccessibilityElementsHidden, setAccessibilityFrame, setAccessibilityHint, setAccessibilityLabel, setAccessibilityLanguage, setAccessibilityNavigationStyle, setAccessibilityPath, setAccessibilityRespondsToUserInteraction, setAccessibilityTextualContext, setAccessibilityTraits, setAccessibilityUserInputLabels, setAccessibilityValue, setAccessibilityViewIsModal, setIsAccessibilityElement, setNilValueForKey, setObservationInfo, setShouldGroupAccessibilityChildren, setValueForKey, setValueForKeyPath, setValueForUndefinedKey, setValuesForKeysWithDictionary, shouldGroupAccessibilityChildren, superclass, validateValueForKeyError, validateValueForKeyPathError, valueForKey, valueForKeyPath, valueForUndefinedKey, willChangeValueForKey, willChangeValueForKeyWithSetMutationUsingObjects, willChangeValuesAtIndexesForKey

Methods inherited from class org.moe.natj.objc.ObjCObject
equals, toString

Methods inherited from class org.moe.natj.general.NativeObject
finalize, getPeer, getPeerPointer

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

- Constructor Detail
  - SCNPhysicsField
```
protected SCNPhysicsField(org.moe.natj.general.Pointer peer)
```
- Method Detail
  - accessInstanceVariablesDirectly
```
public static boolean accessInstanceVariablesDirectly()
```
  - alloc
```
public static SCNPhysicsField alloc()
```
  - allocWithZone
```
public static SCNPhysicsField allocWithZone(org.moe.natj.general.ptr.VoidPtr zone)
```
  - automaticallyNotifiesObserversForKey
```
public static boolean automaticallyNotifiesObserversForKey(java.lang.String key)
```
  - cancelPreviousPerformRequestsWithTarget
```
public static void cancelPreviousPerformRequestsWithTarget(java.lang.Object aTarget)
```
  - cancelPreviousPerformRequestsWithTargetSelectorObject
```
public static void cancelPreviousPerformRequestsWithTargetSelectorObject(java.lang.Object aTarget,
                                                                         org.moe.natj.objc.SEL aSelector,
                                                                         java.lang.Object anArgument)
```
  - classFallbacksForKeyedArchiver
```
public static NSArray<java.lang.String> classFallbacksForKeyedArchiver()
```
  - classForKeyedUnarchiver
```
public static org.moe.natj.objc.Class classForKeyedUnarchiver()
```
  - customFieldWithEvaluationBlock
```
public static SCNPhysicsField customFieldWithEvaluationBlock(SCNPhysicsField.Block_customFieldWithEvaluationBlock block)
```
    A field force with a custom force evaluator.
  - debugDescription_static
```
public static java.lang.String debugDescription_static()
```
  - description_static
```
public static java.lang.String description_static()
```
  - dragField
```
public static SCNPhysicsField dragField()
```
    Slows an object proportionally to the object’s velocity. Use this to simulate effects such as friction from motion through the air.
  - electricField
```
public static SCNPhysicsField electricField()
```
    A force proportional to the charge on the object. An example use of this field is to make objects behavior differently from one another when they enter a region, or to make an object's behavior different than its mass based behavior This field models the first part of the Lorentz equation, F = qE
  - hash_static
```
public static long hash_static()
```
  - instanceMethodForSelector
```
public static NSObject.Function_instanceMethodForSelector_ret instanceMethodForSelector(org.moe.natj.objc.SEL aSelector)
```
  - instanceMethodSignatureForSelector
```
public static NSMethodSignature instanceMethodSignatureForSelector(org.moe.natj.objc.SEL aSelector)
```
  - instancesRespondToSelector
```
public static boolean instancesRespondToSelector(org.moe.natj.objc.SEL aSelector)
```
  - isSubclassOfClass
```
public static boolean isSubclassOfClass(org.moe.natj.objc.Class aClass)
```
  - keyPathsForValuesAffectingValueForKey
```
public static NSSet<java.lang.String> keyPathsForValuesAffectingValueForKey(java.lang.String key)
```
  - linearGravityField
```
public static SCNPhysicsField linearGravityField()
```
    Applies a force in the direction of the "direction" vector in the local space. To repel objects, use a negative strength. The force is the same everywhere in the field. Varies with the mass of the object according to F = ma The field node's rotation property can be used to orient the gravity in a particular direction.
  - magneticField
```
public static SCNPhysicsField magneticField()
```
    A force proportional to the charge on the object and the object’s velocity. An example use of this field is to make objects behavior differently from one another when they enter a region, or to make an object's behavior different than its mass based behavior This field models the second part of the Lorentz equation, F = qvB
  - new_objc
```
public static SCNPhysicsField new_objc()
```
  - noiseFieldWithSmoothnessAnimationSpeed
```
public static SCNPhysicsField noiseFieldWithSmoothnessAnimationSpeed(double smoothness,
                                                                     double speed)
```
    A time varying differentiable Perlin simplex noise field. A smoothness of 0 means as noisy as possible. Use this to simulate such effects as fireflies, or snow. To freeze the noise in place, set animationSpeed to 0.0. Mass is ignored. You can change the "smoothness" and "animationSpeed" using KVC.
  - radialGravityField
```
public static SCNPhysicsField radialGravityField()
```
    Applies a force in the direction of the origin of the field in local space. To repel objects, use a negative strength. The force is proportional to the distance from the field origin. Varies with the mass of the object according to F = ma The field node's rotation property can be used to orient the gravity in a particular direction.
  - resolveClassMethod
```
public static boolean resolveClassMethod(org.moe.natj.objc.SEL sel)
```
  - resolveInstanceMethod
```
public static boolean resolveInstanceMethod(org.moe.natj.objc.SEL sel)
```
  - setVersion_static
```
public static void setVersion_static(long aVersion)
```
  - springField
```
public static SCNPhysicsField springField()
```
    A Hooke’s law force - a force linearly proportional to distance from the center of the field. An object in this field will oscillate with a period proportional to the inverse of the mass. An example use is to keep objects confined to a particular region.
  - superclass_static
```
public static org.moe.natj.objc.Class superclass_static()
```
  - supportsSecureCoding
```
public static boolean supportsSecureCoding()
```
  - turbulenceFieldWithSmoothnessAnimationSpeed
```
public static SCNPhysicsField turbulenceFieldWithSmoothnessAnimationSpeed(double smoothness,
                                                                          double speed)
```
    Just like Noise, except the strength of the noise is proportional to the velocity of the object in the field.
  - version_static
```
public static long version_static()
```
  - vortexField
```
public static SCNPhysicsField vortexField()
```
    Applies a force tangential to the direction from the sample point to the field's position. The force will be CCW to the direction. Make the strength negative to apply force in the CW direction. Amount is proportional to distance from center and the object's mass. Use this to create effects such as tornadoes.
  - categoryBitMask
```
public long categoryBitMask()
```
    [@property] categoryBitMask
    Determines the node physicsBody's categories that will be influenced by the receiver. Defaults to all bit set.
  - copyWithZone
```
public java.lang.Object copyWithZone(org.moe.natj.general.ptr.VoidPtr zone)
```
    Specified by:
    
    copyWithZone in interface NSCopying
  - direction
```
public SCNVector3 direction()
```
    Direction of the field. Only applies to linear gravity and vortex fields. Defaults to (0,-1,0).
  - encodeWithCoder
```
public void encodeWithCoder(NSCoder coder)
```
    Specified by:
    
    encodeWithCoder in interface NSCoding
  - falloffExponent
```
public double falloffExponent()
```
    Changes the power of the force based on the distance from the center of the field (1 / distance ^ falloffExponent). Defaults to 0.0.
  - halfExtent
```
public SCNVector3 halfExtent()
```
    Specifies the half extent of the area of effect. Defaults to FLT_MAX.
  - init
```
public SCNPhysicsField init()
```
    Overrides:
    
    init in class NSObject
  - initWithCoder
```
public SCNPhysicsField initWithCoder(NSCoder coder)
```
    Description copied from interface: NSCoding
    
    NS_DESIGNATED_INITIALIZER
    
    Specified by:
    
    initWithCoder in interface NSCoding
  - isActive
```
public boolean isActive()
```
    Specifies whether force field is active or not. Defaults to YES.
  - setActive
```
public void setActive(boolean value)
```
    Specifies whether force field is active or not. Defaults to YES.
  - isExclusive
```
public boolean isExclusive()
```
    If YES, it suppresses any other field in its area. Defaults to NO.
  - setExclusive
```
public void setExclusive(boolean value)
```
    If YES, it suppresses any other field in its area. Defaults to NO.
  - minimumDistance
```
public double minimumDistance()
```
    Distance from the center of the field where the effect is at full strength. Defaults to 1e-6.
  - offset
```
public SCNVector3 offset()
```
    Offset of origin effect within the area.
  - scope
```
public long scope()
```
    Controls whether the force field should apply inside or outside of the area. Defaults to inside.
  - setCategoryBitMask
```
public void setCategoryBitMask(long value)
```
    [@property] categoryBitMask
    Determines the node physicsBody's categories that will be influenced by the receiver. Defaults to all bit set.
  - setDirection
```
public void setDirection(SCNVector3 value)
```
    Direction of the field. Only applies to linear gravity and vortex fields. Defaults to (0,-1,0).
  - setFalloffExponent
```
public void setFalloffExponent(double value)
```
    Changes the power of the force based on the distance from the center of the field (1 / distance ^ falloffExponent). Defaults to 0.0.
  - setHalfExtent
```
public void setHalfExtent(SCNVector3 value)
```
    Specifies the half extent of the area of effect. Defaults to FLT_MAX.
  - setMinimumDistance
```
public void setMinimumDistance(double value)
```
    Distance from the center of the field where the effect is at full strength. Defaults to 1e-6.
  - setOffset
```
public void setOffset(SCNVector3 value)
```
    Offset of origin effect within the area.
  - setScope
```
public void setScope(long value)
```
    Controls whether the force field should apply inside or outside of the area. Defaults to inside.
  - setStrength
```
public void setStrength(double value)
```
    The strength factor of the force field. Defaults to 1.0.
  - setUsesEllipsoidalExtent
```
public void setUsesEllipsoidalExtent(boolean value)
```
    YES means that the area of effect is rounded within the extent. Defaults to NO.
  - strength
```
public double strength()
```
    The strength factor of the force field. Defaults to 1.0.
  - _supportsSecureCoding
```
public boolean _supportsSecureCoding()
```
    Description copied from interface: NSSecureCoding
    
    This property must return YES on all classes that allow secure coding. Subclasses of classes that adopt NSSecureCoding and override initWithCoder: must also override this method and return YES. The Secure Coding Guide should be consulted when writing methods that decode data.
    
    Specified by:
    
    _supportsSecureCoding in interface NSSecureCoding
  - usesEllipsoidalExtent
```
public boolean usesEllipsoidalExtent()
```
    YES means that the area of effect is rounded within the extent. Defaults to NO.

Class SCNPhysicsField

Nested Class Summary

Nested classes/interfaces inherited from class apple.NSObject

Constructor Summary

Method Summary

Methods inherited from class apple.NSObject

Methods inherited from class org.moe.natj.objc.ObjCObject

Methods inherited from class org.moe.natj.general.NativeObject

Methods inherited from class java.lang.Object

Constructor Detail

SCNPhysicsField

Method Detail

accessInstanceVariablesDirectly

alloc

allocWithZone

automaticallyNotifiesObserversForKey

cancelPreviousPerformRequestsWithTarget

cancelPreviousPerformRequestsWithTargetSelectorObject

classFallbacksForKeyedArchiver

classForKeyedUnarchiver

customFieldWithEvaluationBlock

debugDescription_static

description_static

dragField

electricField

hash_static

instanceMethodForSelector

instanceMethodSignatureForSelector

instancesRespondToSelector

isSubclassOfClass

keyPathsForValuesAffectingValueForKey

linearGravityField

magneticField

new_objc

noiseFieldWithSmoothnessAnimationSpeed

radialGravityField

resolveClassMethod

resolveInstanceMethod

setVersion_static

springField

superclass_static

supportsSecureCoding

turbulenceFieldWithSmoothnessAnimationSpeed

version_static

vortexField

categoryBitMask

copyWithZone

direction

encodeWithCoder

falloffExponent

halfExtent

init

initWithCoder

isActive

setActive

isExclusive

setExclusive

minimumDistance

offset

scope

setCategoryBitMask

setDirection

setFalloffExponent

setHalfExtent

setMinimumDistance

setOffset

setScope

setStrength

setUsesEllipsoidalExtent

strength

_supportsSecureCoding

usesEllipsoidalExtent