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java.lang.Objectorg.j3d.aviatrix3d.BoundingVolume
org.j3d.aviatrix3d.BoundingSphere
Bounds described as a spherical volume.
Field Summary |
Fields inherited from class org.j3d.aviatrix3d.BoundingVolume |
BOX_BOUNDS, FRUSTUM_ALLIN, FRUSTUM_ALLOUT, FRUSTUM_PARTIAL, GEOMETRY_BOUNDS, NULL_BOUNDS, SPHERE_BOUNDS |
Constructor Summary | |
BoundingSphere()
The default constructor with the sphere radius as one and center at the origin. |
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BoundingSphere(float radius)
Construct a bounding sphere at the origin with a set radius. |
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BoundingSphere(float[] pos,
float radius)
Construct a bounding sphere with a set radius and position. |
Method Summary | |
int |
checkIntersectionFrustum(javax.vecmath.Vector4f[] planes,
javax.vecmath.Matrix4d mat)
Check whether this volume intersects with the view frustum. |
int |
checkIntersectionFrustum(javax.vecmath.Vector4f[] planes,
javax.vecmath.Matrix4f mat)
Check whether this volume intersects with the view frustum. |
boolean |
checkIntersectionLine(float[] coeff)
Check for the given line intersecting this bounds. |
boolean |
checkIntersectionPoint(float[] pos)
Check for the given point lieing inside this bounds. |
boolean |
checkIntersectionRay(float[] pos,
float[] dir)
Check for the given ray intersecting this bounds. |
boolean |
checkIntersectionSegment(float[] start,
float[] end)
Check for the given line segment intersecting this bounds. |
boolean |
checkIntersectionSegment(float[] start,
float[] dir,
float length)
Check for the given line segment intersecting this bounds. |
void |
getCenter(float[] center)
Get the center of the bounding volume. |
void |
getExtents(float[] min,
float[] max)
Get the maximum extents of the bounding volume. |
float |
getRadius()
Get the current radius of the sphere |
int |
getType()
The type of bounds this object represents. |
void |
setCenter(float[] pos)
Center the local center of the sphere to be used. |
void |
setRadius(float radius)
Set the radius of the sphere to the new value. |
void |
transform(javax.vecmath.Matrix4d mat)
Transform the current postion by the given transformation matrix. |
void |
transform(javax.vecmath.Matrix4f mat)
Transform the current postion by the given transformation matrix. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public BoundingSphere()
public BoundingSphere(float radius)
radius
- The new radius value to use
java.lang.IllegalArgumentException
- Radius was negativepublic BoundingSphere(float[] pos, float radius)
pos
- The new position of the center of the sphere to be usedradius
- The new radius value to use
java.lang.IllegalArgumentException
- Radius was negativeMethod Detail |
public int getType()
getType
in class BoundingVolume
public void getExtents(float[] min, float[] max)
getExtents
in class BoundingVolume
min
- The minimum position of the boundsmax
- The maximum position of the boundspublic void getCenter(float[] center)
getCenter
in class BoundingVolume
center
- The center of the bounds will be copied herepublic boolean checkIntersectionPoint(float[] pos)
checkIntersectionPoint
in class BoundingVolume
pos
- The location of the point to test against
public boolean checkIntersectionLine(float[] coeff)
ax + by + cz + d = 0
.
coeff
- The 4 constants for the line equation
public boolean checkIntersectionRay(float[] pos, float[] dir)
checkIntersectionRay
in class BoundingVolume
pos
- The start location of the raydir
- The direction vector of the ray
public boolean checkIntersectionSegment(float[] start, float[] end)
checkIntersectionSegment
in class BoundingVolume
start
- The start location of the segmentend
- The start location of the segment
public boolean checkIntersectionSegment(float[] start, float[] dir, float length)
start
- The start location of the segmentdir
- The direction vector of the segmentlength
- The length to the segment
public int checkIntersectionFrustum(javax.vecmath.Vector4f[] planes, javax.vecmath.Matrix4d mat)
checkIntersectionFrustum
in class BoundingVolume
planes
- The 6 planes of the frustummat
- The vworld to local transformation matrix
public int checkIntersectionFrustum(javax.vecmath.Vector4f[] planes, javax.vecmath.Matrix4f mat)
checkIntersectionFrustum
in class BoundingVolume
planes
- The 6 planes of the frustummat
- The vworld to local transformation matrix
public void transform(javax.vecmath.Matrix4d mat)
transform
in class BoundingVolume
mat
- The matrix to transform this bounds bypublic void transform(javax.vecmath.Matrix4f mat)
transform
in class BoundingVolume
mat
- The matrix to transform this bounds bypublic void setCenter(float[] pos)
pos
- The new position of the center of the sphere to be usedpublic void setRadius(float radius)
radius
- The new radius value to use
java.lang.IllegalArgumentException
- Radius was negativepublic float getRadius()
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