com.jme3.shadow

Class PssmShadowUtil

java.lang.Object

com.jme3.shadow.PssmShadowUtil

public final class PssmShadowUtil
extends java.lang.Object

Includes various useful shadow mapping functions. See

• http://appsrv.cse.cuhk.edu.hk/~fzhang/pssm_vrcia/
• http://http.developer.nvidia.com/GPUGems3/gpugems3_ch10.html

for more info.

Method Summary

Modifier and Type	Method and Description
static float	computeZFar(GeometryList occ, GeometryList recv, Camera cam) Compute the Zfar in the model view to adjust the Zfar distance for the splits calculation
static void	updateFrustumSplits(float[] splits, float near, float far, float lambda) Updates the frustum splits stores in splits using PSSM.

Methods inherited from class java.lang.Object

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

Method Detail

updateFrustumSplits

public static void updateFrustumSplits(float[] splits,
                                       float near,
                                       float far,
                                       float lambda)

Updates the frustum splits stores in splits using PSSM.

Parameters:

splits - the array of splits (modified)

near - the distance to the camera's near plane

far - the distance to the camera's far plane

lambda - the mixing parameter (0→purely linear, 1→purely logarithmic)

computeZFar

public static float computeZFar(GeometryList occ,
                                GeometryList recv,
                                Camera cam)

Compute the Zfar in the model view to adjust the Zfar distance for the splits calculation

Parameters:

occ - a list of occluders

recv - a list of receivers

cam - the Camera (not null, unaffected)

Returns:

the Z-far distance