Package com.bombinggames.wurfelengine.core.map

Class Point

java.lang.Object

com.badlogic.gdx.math.Vector3

com.bombinggames.wurfelengine.core.map.Point

All Implemented Interfaces:

Position, java.io.Serializable

public class Point
extends com.badlogic.gdx.math.Vector3
implements Position

A point is a single position in the game world not bound to the grid. Use this for entities.

Since:

WE1.1

See Also:

Serialized Form

Field Summary

Fields inherited from interface com.bombinggames.wurfelengine.core.map.Position

SQRT12, SQRT2

Fields inherited from class com.badlogic.gdx.math.Vector3

x, X, y, Y, z, Z, Zero

Constructor Summary

Constructors

Constructor	Description
Point()	Creates a point refering to a position in the game world.
Point(float posX, float posY, float height)	Creates a point refering to a position in the game world.
Point(com.badlogic.gdx.math.Vector3 vec)
Point(Point point)	Copy-constructor.

Method Summary

Modifier and Type	Method	Description
Point	add(float[] vector)	Add a vector to the position
Point	add(float x, float y, float z)	Add a vector to the position
Point	add(com.badlogic.gdx.math.Vector2 vector)	Add a vector to the position
Point	add(com.badlogic.gdx.math.Vector3 vector)	Add a vector to the position
boolean	canSee(Point p, float maxdistance)
Point	cpy()	avoid this method because it creates a new instance.
float	distanceTo(AbstractGameObject object)
float	distanceTo(Point point)
float	distanceTo(Position pos)
float	distanceToHorizontal(AbstractGameObject object)	checks only x and y.
float	distanceToHorizontal(Point point)	checks only x and y.
float	distanceToHorizontal(Position pos)	checks only x and y.
float	distanceToHorizontalSquared(AbstractGameObject object)	checks only x and y.
float	distanceToHorizontalSquared(Point point)	checks only x and y.
float	distanceToHorizontalSquared(Position pos)	checks only x and y.
float	distanceToSquared(AbstractGameObject object)	The result is squared for fast comparison.
float	distanceToSquared(Point point)	The result is squared for fast comparison.
float	distanceToSquared(Position pos)	The result is squared for fast comparison.
int	getBlock()
byte	getBlockId()	Get the block at the position.
Chunk	getChunk()
int	getChunkX()	The chunk coordinate.
int	getChunkY()	The chunk coordinate.
Coordinate	getCoord()	May not be copy safe.
float	getDistanceToCellCenterX()	Distance to cell center.
float	getDistanceToCellCenterY()	Distance to cell center.
float	getDistanceToCellCenterZ()	Distance to cell center.
java.util.ArrayList<AbstractEntity>	getEntitiesNearby(float radius)	get entities in radius
<T> java.util.LinkedList<T>	getEntitiesNearby(float radius, java.lang.Class<T> type)	Get entities in radius.
java.util.LinkedList<AbstractEntity>	getEntitiesNearbyHorizontal(float radius)	get entities in radius (horizontal only)
<T> java.util.LinkedList<T>	getEntitiesNearbyHorizontal(float radius, java.lang.Class<T> type)	get entities in horizontal radius (like a pipe)
Point	getPoint()	May not be copy safe.
int	getProjectionSpaceX(GameView view, Camera camera)	equals screen space when zoom=1 with a single, fullscreen camera.
int	getProjectionSpaceY(GameView view, Camera camera)	equals screen space when zoom=1 with a single camera.
static Point	getShared()	A shared object to pass values without using the heap.
int	getViewSpcX()	Calculate position in view space.
int	getViewSpcY()	Calculate position in view space.
float	getX()	Get the game world position from left
float	getY()	Get the game world position from top.
float	getZ()	Get the height (z-value) of the coordinate.
int	getZGrid()	Get the z in block grid coordinates of the coordinate.
float	getZPoint()	Get the z in game world coordinates.
boolean	isInMemoryAreaXY()	Checks if the coordiantes are accessable with the currently loaded chunks.
boolean	isInMemoryAreaXYZ()	Checks if the position is on the chunks currently in memory.
boolean	isObstacle()
Intersection	raycast(com.badlogic.gdx.math.Vector3 dir, float maxDistance, RenderStorage rs, java.util.function.Predicate<java.lang.Byte> hitCondition)	Trace a ray through the map until ray hits non air block. Does not work properly with the staggered map but is quite fast.
Intersection	rayMarching(com.badlogic.gdx.math.Vector3 dir, float maxDistance, RenderStorage rS, java.util.function.Predicate<java.lang.Byte> hitCondition)	Sends a ray by moving a coordinate though the map.
Point	set(Point point)	overwrites the coordinates with values from another point.
Point	setFromCoord(Coordinate coord)	Set x,y,z based on a coordinate.
Point	setToCenterOfCell()	Relative to the current coordiante field set the offset.
void	setZ(float height)
Coordinate	toCoord()	returns coordinate aquivalent.
Point	toPoint()	Calculates it and creates new instance if not already in correct format then return a copy of itself.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from class com.badlogic.gdx.math.Vector3

add, clamp, crs, crs, dot, dot, dot, dst, dst, dst, dst2, dst2, dst2, epsilonEquals, epsilonEquals, equals, fromString, hashCode, hasOppositeDirection, hasSameDirection, idt, interpolate, isCollinear, isCollinear, isCollinearOpposite, isCollinearOpposite, isOnLine, isOnLine, isPerpendicular, isPerpendicular, isUnit, isUnit, isZero, isZero, len, len, len2, len2, lerp, limit, limit2, mul, mul, mul, mul4x3, mulAdd, mulAdd, nor, prj, rot, rotate, rotate, rotateRad, rotateRad, scl, scl, scl, set, set, set, set, setFromSpherical, setLength, setLength2, setToRandomDirection, setZero, slerp, sub, sub, sub, toString, traMul, traMul, unrotate, untransform

Constructor Detail

Point

public Point()

Creates a point refering to a position in the game world. Points at 0,0,0.

Point

public Point(float posX,
             float posY,
             float height)

Creates a point refering to a position in the game world.

Parameters:

posX - The distance from the left border of the map (game space)

posY - The distance from the top border of the map (game space)

height - The distance from ground (game space)

Point

public Point(com.badlogic.gdx.math.Vector3 vec)

Parameters:

vec -

Point

public Point(Point point)

Copy-constructor. This constructor copies the values.

Parameters:

point - the source of the copy

Method Detail

getShared

public static Point getShared()

A shared object to pass values without using the heap.

Returns:

getZ

public float getZ()

Get the height (z-value) of the coordinate.

Returns:

game dimension

getZGrid

public int getZGrid()

Description copied from interface: Position

Get the z in block grid coordinates of the coordinate. Faster than transforming to coordinate first.

Specified by:

getZGrid in interface Position

Returns:

in grid coordinates.

getZPoint

public float getZPoint()

Description copied from interface: Position

Get the z in game world coordinates.

Specified by:

getZPoint in interface Position

Returns:

setZ

public void setZ(float height)

Parameters:

height -

toCoord

public Coordinate toCoord()

returns coordinate aquivalent. Removes floating of block.
Looks complicated but has runtime O(const). You should avoid this method in loops or the update method because it uses the heap.

Specified by:

toCoord in interface Position

Returns:

coordinate aquivalent, copy safe

getCoord

public Coordinate getCoord()

Description copied from interface: Position

May not be copy safe.

Specified by:

getCoord in interface Position

Returns:

may not be copy safe

getPoint

public Point getPoint()

Description copied from interface: Position

May not be copy safe.

Specified by:

getPoint in interface Position

Returns:

may not be copy safe

toPoint

public Point toPoint()

Description copied from interface: Position

Calculates it and creates new instance if not already in correct format then return a copy of itself.

Specified by:

toPoint in interface Position

Returns:

the point representation. Copy safe.

getX

public float getX()

Get the game world position from left

Returns:

getY

public float getY()

Get the game world position from top.

Returns:

getDistanceToCellCenterX

public float getDistanceToCellCenterX()

Distance to cell center.

Returns:

the offset to the coordinates center.

getDistanceToCellCenterY

public float getDistanceToCellCenterY()

Distance to cell center.

Returns:

the offset to the coordinates center.

getDistanceToCellCenterZ

public float getDistanceToCellCenterZ()

Distance to cell center.

Returns:

the offset to the coordinates center.

getBlockId

public byte getBlockId()

Description copied from interface: Position

Get the block at the position. Clamps positions over the map at topmost layer.

Specified by:

getBlockId in interface Position

Returns:

If the coordiante is not in memory will crash.

getBlock

public int getBlock()

Returns:

cpy

public Point cpy()

avoid this method because it creates a new instance.

Specified by:

cpy in interface Position

Overrides:

cpy in class com.badlogic.gdx.math.Vector3

Returns:

getViewSpcX

public int getViewSpcX()

Description copied from interface: Position

Calculate position in view space.

Specified by:

getViewSpcX in interface Position

Returns:

Returns the center of the projected (screen) x-position where the object is rendered without regarding the camera. It also adds the cell offset.

getViewSpcY

public int getViewSpcY()

Description copied from interface: Position

Calculate position in view space.

Specified by:

getViewSpcY in interface Position

Returns:

Returns the center of the projected (view space) y-position where the object is rendered without regarding the camera.

getProjectionSpaceX

public int getProjectionSpaceX(GameView view,
                               Camera camera)

Description copied from interface: Position

equals screen space when zoom=1 with a single, fullscreen camera.

Specified by:

getProjectionSpaceX in interface Position

Returns:

getProjectionSpaceY

public int getProjectionSpaceY(GameView view,
                               Camera camera)

Description copied from interface: Position

equals screen space when zoom=1 with a single camera.

Specified by:

getProjectionSpaceY in interface Position

Returns:

isInMemoryAreaXY

public boolean isInMemoryAreaXY()

Description copied from interface: Position

Checks if the coordiantes are accessable with the currently loaded chunks. Does not check for z axis (horizontal only). So the position can be udner or over the map.

Specified by:

isInMemoryAreaXY in interface Position

Returns:

isInMemoryAreaXYZ

public boolean isInMemoryAreaXYZ()

Description copied from interface: Position

Checks if the position is on the chunks currently in memory. Checks all axis'.

Specified by:

isInMemoryAreaXYZ in interface Position

Returns:

true if inside a chunk. false if currently not loaded or outside range.

add

public Point add(float[] vector)

Add a vector to the position

Parameters:

vector - all values in game world values

Returns:

returns itself

add

public Point add(com.badlogic.gdx.math.Vector2 vector)

Add a vector to the position

Parameters:

vector - all values in game world values

Returns:

returns itself

add

public Point add(com.badlogic.gdx.math.Vector3 vector)

Add a vector to the position

Overrides:

add in class com.badlogic.gdx.math.Vector3

Parameters:

vector - all values in game world values

Returns:

returns itself

add

public Point add(float x,
                 float y,
                 float z)

Add a vector to the position

Overrides:

add in class com.badlogic.gdx.math.Vector3

Parameters:

x - x value to add

y - y value to add

z - height to add

Returns:

returns itself

setToCenterOfCell

public Point setToCenterOfCell()

Relative to the current coordiante field set the offset.

Returns:

raycast

public Intersection raycast(com.badlogic.gdx.math.Vector3 dir,
                            float maxDistance,
                            RenderStorage rs,
                            java.util.function.Predicate<java.lang.Byte> hitCondition)

Trace a ray through the map until ray hits non air block.
Does not work properly with the staggered map but is quite fast.

Parameters:

dir - dir of the ray

maxDistance - the distance after which it should stop. (in game meters)

rs -

hitCondition -

Returns:

can return null if not hitting anything. The normal on the back sides may be wrong. The normals are in a turned coordiante system.

Since:

1.2.29

See Also:

rayMarching(com.badlogic.gdx.math.Vector3, float, com.bombinggames.wurfelengine.core.map.rendering.RenderStorage, java.util.function.Predicate)

rayMarching

public Intersection rayMarching(com.badlogic.gdx.math.Vector3 dir,
                                float maxDistance,
                                RenderStorage rS,
                                java.util.function.Predicate<java.lang.Byte> hitCondition)

Sends a ray by moving a coordinate though the map. Slow but it mostly returns precise results.
Stops at first point where the criteria is met.

Parameters:

dir -

maxDistance - game space in meters

rS - used when regarding clipping information

hitCondition - can be null

Returns:

intersection point

See Also:

raycast(com.badlogic.gdx.math.Vector3, float, com.bombinggames.wurfelengine.core.map.rendering.RenderStorage, java.util.function.Predicate)

distanceTo

public float distanceTo(Position pos)

Specified by:

distanceTo in interface Position

Parameters:

pos -

Returns:

the distance from this point to the other point in game world coordinates

distanceTo

public float distanceTo(Point point)

Parameters:

point -

Returns:

the distance from this point to the other point in game coordinates

distanceTo

public float distanceTo(AbstractGameObject object)

Specified by:

distanceTo in interface Position

Parameters:

object -

Returns:

the distance from this point to the other object

distanceToSquared

public float distanceToSquared(AbstractGameObject object)

Description copied from interface: Position

The result is squared for fast comparison.

Specified by:

distanceToSquared in interface Position

Returns:

the distance from this point to the other object squared

See Also:

Position.distanceTo(AbstractGameObject)

distanceToSquared

public float distanceToSquared(Position pos)

Description copied from interface: Position

The result is squared for fast comparison.

Specified by:

distanceToSquared in interface Position

Returns:

the distance from this point to the other object squared

See Also:

Position.distanceTo(Position)

distanceToSquared

public float distanceToSquared(Point point)

The result is squared for fast comparison.

Parameters:

point -

Returns:

the distance from this point to the other point in game coordinates squared

distanceToHorizontal

public float distanceToHorizontal(Point point)

checks only x and y.

Parameters:

point -

Returns:

the distance from this point to the other point only regarding horizontal components.

distanceToHorizontalSquared

public float distanceToHorizontalSquared(Point point)

checks only x and y.

Parameters:

point -

Returns:

the distance from this point to the other point only regarding horizontal components.

distanceToHorizontal

public float distanceToHorizontal(AbstractGameObject object)

checks only x and y.

Specified by:

distanceToHorizontal in interface Position

Parameters:

object -

Returns:

the distance from this point to the other point only regarding horizontal components.

distanceToHorizontal

public float distanceToHorizontal(Position pos)

Description copied from interface: Position

checks only x and y.

Specified by:

distanceToHorizontal in interface Position

Returns:

the distance from this pos to the other pos only regarding horizontal components.

distanceToHorizontalSquared

public float distanceToHorizontalSquared(AbstractGameObject object)

checks only x and y.

Specified by:

distanceToHorizontalSquared in interface Position

Parameters:

object -

Returns:

the distance from this point to the other point only regarding horizontal components.

distanceToHorizontalSquared

public float distanceToHorizontalSquared(Position pos)

Description copied from interface: Position

checks only x and y.

Specified by:

distanceToHorizontalSquared in interface Position

Returns:

the distance from this pos to the other pos squared only regarding horizontal components.

getEntitiesNearby

public java.util.ArrayList<AbstractEntity> getEntitiesNearby(float radius)

get entities in radius

Parameters:

radius - in game dimension pixels

Returns:

every entitie in radius

getEntitiesNearbyHorizontal

public java.util.LinkedList<AbstractEntity> getEntitiesNearbyHorizontal(float radius)

Description copied from interface: Position

get entities in radius (horizontal only)

Specified by:

getEntitiesNearbyHorizontal in interface Position

Parameters:

radius - in game dimension pixels

Returns:

every entitie in radius

getEntitiesNearbyHorizontal

public <T> java.util.LinkedList<T> getEntitiesNearbyHorizontal(float radius,
                                                               java.lang.Class<T> type)

Description copied from interface: Position

get entities in horizontal radius (like a pipe)

Specified by:

getEntitiesNearbyHorizontal in interface Position

Parameters:

radius - in game dimension pixels

type - whitelist

Returns:

every entitie in radius

getChunkX

public int getChunkX()

Description copied from interface: Position

The chunk coordinate.

Specified by:

getChunkX in interface Position

Returns:

getChunkY

public int getChunkY()

Description copied from interface: Position

The chunk coordinate.

Specified by:

getChunkY in interface Position

Returns:

canSee

public boolean canSee(Point p,
                      float maxdistance)

Parameters:

p -

maxdistance - game space in meters

Returns:

set

public Point set(Point point)

overwrites the coordinates with values from another point. Faster then creating a new object-

Parameters:

point - is not modified

Returns:

itself for chaining

getEntitiesNearby

public <T> java.util.LinkedList<T> getEntitiesNearby(float radius,
                                                     java.lang.Class<T> type)

Description copied from interface: Position

Get entities in radius.

Specified by:

getEntitiesNearby in interface Position

Type Parameters:

T - returns only object if type which is the filter

Parameters:

radius - in game dimension pixels

type - the type you want to filter

Returns:

every entitie in radius

getChunk

public Chunk getChunk()

Specified by:

getChunk in interface Position

Returns:

setFromCoord

public Point setFromCoord(Coordinate coord)

Set x,y,z based on a coordinate.

Parameters:

coord -

Returns:

isObstacle

public boolean isObstacle()

Returns: