com.sun.j3d.loaders.lw3d
Class FloatValueInterpolator
java.lang.Object
javax.media.j3d.SceneGraphObject
javax.media.j3d.Node
javax.media.j3d.Leaf
javax.media.j3d.Behavior
javax.media.j3d.Interpolator
com.sun.j3d.loaders.lw3d.FloatValueInterpolator
- Direct Known Subclasses:
- LightIntensityPathInterpolator, SwitchPathInterpolator
abstract class FloatValueInterpolator
- extends Interpolator
This class acts as an interpolator between values specified in a
floating point array, based on knot values (keyframes) specified in a
knots array.
Fields inherited from class javax.media.j3d.Node |
ALLOW_AUTO_COMPUTE_BOUNDS_READ, ALLOW_AUTO_COMPUTE_BOUNDS_WRITE, ALLOW_BOUNDS_READ, ALLOW_BOUNDS_WRITE, ALLOW_COLLIDABLE_READ, ALLOW_COLLIDABLE_WRITE, ALLOW_LOCAL_TO_VWORLD_READ, ALLOW_LOCALE_READ, ALLOW_PARENT_READ, ALLOW_PICKABLE_READ, ALLOW_PICKABLE_WRITE, ENABLE_COLLISION_REPORTING, ENABLE_PICK_REPORTING |
Method Summary |
protected void |
computePathInterpolation()
This method computes the bounding knot indices and interpolation value
"currentValue" given the current value of alpha, the knots[] array and
the array of values. |
(package private) float |
getValue(int index)
This method retrieves the value at the specified index. |
(package private) void |
setValue(int index,
float value)
This method sets the value at the specified index for
this interpolator. |
Methods inherited from class javax.media.j3d.Behavior |
getEnable, getNumSchedulingIntervals, getSchedulingBoundingLeaf, getSchedulingBounds, getSchedulingInterval, getView, getWakeupCondition, postId, processStimulus, setEnable, setSchedulingBoundingLeaf, setSchedulingBounds, setSchedulingInterval, updateNodeReferences, wakeupOn |
Methods inherited from class javax.media.j3d.Node |
cloneNode, cloneTree, cloneTree, cloneTree, cloneTree, cloneTree, cloneTree, duplicateNode, getBounds, getBoundsAutoCompute, getCollidable, getLocale, getLocalToVworld, getLocalToVworld, getParent, getPickable, setBounds, setBoundsAutoCompute, setCollidable, setPickable |
Methods inherited from class javax.media.j3d.SceneGraphObject |
clearCapability, clearCapabilityIsFrequent, duplicateSceneGraphObject, getCapability, getCapabilityIsFrequent, getName, getUserData, isCompiled, isLive, setCapability, setCapabilityIsFrequent, setName, setUserData, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
knots
private float[] knots
knotsLength
private int knotsLength
currentKnotIndex
protected int currentKnotIndex
currentInterpolationRatio
protected float currentInterpolationRatio
values
protected float[] values
currentValue
protected float currentValue
FloatValueInterpolator
FloatValueInterpolator(Alpha alpha,
float[] k,
float[] v)
- Constructs a new FloatValueInterpolator object.
- Parameters:
alpha
- the alpha object for this interpolatorknots
- an array of knot values that specify a spline
setValue
void setValue(int index,
float value)
- This method sets the value at the specified index for
this interpolator.
- Parameters:
index
- the index to be changedposition
- the new value at index
getValue
float getValue(int index)
- This method retrieves the value at the specified index.
- Parameters:
index
- the index of the value requested
- Returns:
- the interpolator's value at the index
computePathInterpolation
protected void computePathInterpolation()
- This method computes the bounding knot indices and interpolation value
"currentValue" given the current value of alpha, the knots[] array and
the array of values.
If the index is 0 and there will be no interpolation, both the
index variable and the interpolation variable are set to 0.
Otherwise, currentKnotIndex is set to the lower index of the
two bounding knot points and the currentInterpolationRatio
variable is set to the ratio of the alpha value between these
two bounding knot points.
Copyright 1996-2008 Sun Microsystems, Inc. All Rights Reserved. Use is subject to license terms.