sema
Class Nature

java.lang.Object
  sema.Nature

public class Nature

extends java.lang.Object

The Nature gouverning the world. It links the time and the space, and all the physics laws. It manage the global event of the world, the broadcast of signals, the visibility, the rain etc ....

Nested Class Summary

class	Nature.CanSee Selector determinating if his element can see some other.
protected class	Nature.GoodKind Generic Selector to select the elements of a given kind.

Constructor Summary

Nature(Engine engine, Map map)
Constructs a Nature from the engine and a map : the Nature is a link between the time and the space.

Method Summary

void	broadcastSignal(Signal sig) Broadcast a signal in the world.
Nature.CanSee	getCanSee(Element el) Method returning an implementation of the Selector CanSee
float	getDistance(Element element1, Element element2) Returns the distance between two elements.
java.util.TreeMap	getElements(Area area) Returns the elements in the boxes intersected by the given area.
Nature.GoodKind	getGoodKind(java.lang.String kind) Returns an implementation of GoodKind.
protected java.lang.String[][]	getProperties() Returns the properties of the nature.
protected void	setProperties(java.lang.String property, java.lang.String value) Try to sets the value to the property of the nature.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Nature

public Nature(Engine engine,
              Map map)

Constructs a Nature from the engine and a map : the Nature is a link between the time and the space. Instancie une nature à partir d'un moteur et d'une carte (la nature est un lien entre temps et espace).

Method Detail

getElements

public java.util.TreeMap getElements(Area area)

Returns the elements in the boxes intersected by the given area. The efficientness depends also of the boxes thinness.

getDistance

public float getDistance(Element element1,
                         Element element2)

Returns the distance between two elements.

broadcastSignal

public void broadcastSignal(Signal sig)

Broadcast a signal in the world.

getCanSee

public Nature.CanSee getCanSee(Element el)

Method returning an implementation of the Selector CanSee

getGoodKind

public Nature.GoodKind getGoodKind(java.lang.String kind)

Returns an implementation of GoodKind.

getProperties

protected java.lang.String[][] getProperties()

Returns the properties of the nature.

Returns:

the element's properties.

See Also:

Engine.getProperties()

setProperties

protected void setProperties(java.lang.String property,
                             java.lang.String value)

Try to sets the value to the property of the nature. The new value is ignored if the property is read_only or if the value isn't valid.

Parameters:

property - the property to change.

value - the new value for the property.

See Also:

Engine.setProperties(java.lang.String, java.lang.String)