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java.lang.Objectcom.jme3.terrain.heightmap.AbstractHeightMap
public abstract class AbstractHeightMap
AbstractHeightMap provides a base implementation of height
data for terrain rendering. The loading of the data is dependent on the
subclass. The abstract implementation provides a means to retrieve the height
data and to save it.
It is the general contract that any subclass provide a means of editing
required attributes and calling load again to recreate a
heightfield with these new parameters.
| フィールドの概要 | |
|---|---|
static float |
NORMALIZE_RANGE
The range used to normalize terrain |
| コンストラクタの概要 | |
|---|---|
AbstractHeightMap()
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| メソッドの概要 | |
|---|---|
void |
erodeTerrain()
erodeTerrain is a convenience method that applies the FIR
filter to a given height map. |
float[] |
findMinMaxHeights()
Find the minimum and maximum height values. |
void |
flatten(byte flattening)
Flattens out the valleys. |
float[] |
getHeightMap()
getHeightMap returns the entire grid of height data. |
float |
getInterpolatedHeight(float x,
float z)
getInterpolatedHeight returns the height of a point that
does not fall directly on the height posts. |
float |
getScaledHeightAtPoint(int x,
int z)
getScaledHeightAtPoint returns the scaled value at the
point provided. |
float[] |
getScaledHeightMap()
Build a new array of height data with the scaled values. |
int |
getSize()
getSize returns the size of one side the height map. |
float |
getTrueHeightAtPoint(int x,
int z)
getTrueHeightAtPoint returns the non-scaled value at the
point provided. |
void |
normalizeTerrain(float value)
normalizeTerrain takes the current terrain data and
converts it to values between 0 and value. |
boolean |
save(java.lang.String filename)
save will save the heightmap data into a new RAW file
denoted by the supplied filename. |
void |
setHeightAtPoint(float height,
int x,
int z)
setHeightAtPoint sets the height value for a given
coordinate. |
void |
setHeightScale(float scale)
setHeightScale sets the scale of the height values. |
void |
setMagnificationFilter(float filter)
setFilter sets the erosion value for the filter. |
void |
setSize(int size)
setSize sets the size of the terrain where the area is
size x size. |
void |
smooth(float np)
Smooth the terrain. |
void |
unloadHeightMap()
unloadHeightMap clears the data of the height map. |
| クラス java.lang.Object から継承されたメソッド |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| インタフェース com.jme3.terrain.heightmap.HeightMap から継承されたメソッド |
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load |
| フィールドの詳細 |
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public static float NORMALIZE_RANGE
| コンストラクタの詳細 |
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public AbstractHeightMap()
| メソッドの詳細 |
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public void unloadHeightMap()
unloadHeightMap clears the data of the height map. This
insures it is ready for reloading.
HeightMap 内の unloadHeightMappublic void setHeightScale(float scale)
setHeightScale sets the scale of the height values.
Typically, the height is a little too extreme and should be scaled to a
smaller value (i.e. 0.25), to produce cleaner slopes.
HeightMap 内の setHeightScalescale - the scale to multiply height values by.
public void setHeightAtPoint(float height,
int x,
int z)
setHeightAtPoint sets the height value for a given
coordinate. It is recommended that the height value be within the 0 - 255
range.
HeightMap 内の setHeightAtPointheight - the new height for the coordinate.x - the x (east/west) coordinate.z - the z (north/south) coordinate.
public void setSize(int size)
throws java.lang.Exception
setSize sets the size of the terrain where the area is
size x size.
HeightMap 内の setSizesize - the new size of the terrain.
java.lang.Exception
JmeException - if the size is less than or equal to zero.
public void setMagnificationFilter(float filter)
throws java.lang.Exception
setFilter sets the erosion value for the filter. This
value must be between 0 and 1, where 0.2 - 0.4 produces arguably the best
results.
HeightMap 内の setMagnificationFilterfilter - the erosion value.
java.lang.Exception
JmeException - if filter is less than 0 or greater than 1.
public float getTrueHeightAtPoint(int x,
int z)
getTrueHeightAtPoint returns the non-scaled value at the
point provided.
HeightMap 内の getTrueHeightAtPointx - the x (east/west) coordinate.z - the z (north/south) coordinate.
public float getScaledHeightAtPoint(int x,
int z)
getScaledHeightAtPoint returns the scaled value at the
point provided.
HeightMap 内の getScaledHeightAtPointx - the x (east/west) coordinate.z - the z (north/south) coordinate.
public float getInterpolatedHeight(float x,
float z)
getInterpolatedHeight returns the height of a point that
does not fall directly on the height posts.
HeightMap 内の getInterpolatedHeightx - the x coordinate of the point.z - the y coordinate of the point.
public float[] getHeightMap()
getHeightMap returns the entire grid of height data.
HeightMap 内の getHeightMappublic float[] getScaledHeightMap()
HeightMap 内の getScaledHeightMappublic int getSize()
getSize returns the size of one side the height map. Where
the area of the height map is size x size.
HeightMap 内の getSize
public boolean save(java.lang.String filename)
throws java.lang.Exception
save will save the heightmap data into a new RAW file
denoted by the supplied filename.
filename - the file name to save the current data as.
java.lang.Exception
JmeException - if filename is null.public void normalizeTerrain(float value)
normalizeTerrain takes the current terrain data and
converts it to values between 0 and value.
value - the value to normalize to.public float[] findMinMaxHeights()
public void erodeTerrain()
erodeTerrain is a convenience method that applies the FIR
filter to a given height map. This simulates water errosion.
setFilterpublic void flatten(byte flattening)
flattening - the power of flattening applied, 1 means nonepublic void smooth(float np)
np between 0 and 1
np - The factor to what extend the neighbors average has an influence.
Value of 0 will ignore neighbors (no smoothing)
Value of 1 will ignore the node old height.
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| 概要: 入れ子 | フィールド | コンストラクタ | メソッド | 詳細: フィールド | コンストラクタ | メソッド | |||||||||