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java.lang.Object com.croftsoft.core.media.j3d.Transform3DLib
public class Transform3DLib
Static method library to manipulate Transform3D data. Primarily focuses on transforming a view through the 6 degrees of freedom.
Reference:
Foley, et al., Computer Graphics: Principles and Practice. Provides the mathematics for the 3D rotation matrices.
Field Summary | |
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static int |
X
Relative X axis |
static int |
Y
Relative Y axis |
static int |
Z
Relative Z axis |
Method Summary | |
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static boolean |
viewKeyPressed(javax.media.j3d.Transform3D transform3D,
KeyEvent keyEvent,
double deltaRotation,
double deltaTranslation)
Transforms the view based upon a user keyboard input. |
static void |
viewPitch(javax.media.j3d.Transform3D transform3D,
double radians)
Pitches the view by a given number of radians. |
static void |
viewRoll(javax.media.j3d.Transform3D transform3D,
double radians)
Rolls the view by a given number of radians. |
static void |
viewRotate(javax.media.j3d.Transform3D transform3D,
javax.vecmath.Matrix3d rotation)
Rotates the view by the given rotation matrix. |
static void |
viewTranslate(javax.media.j3d.Transform3D transform3D,
int dimension,
double distance)
Translates the view by a given distance along a relative axis. |
static void |
viewYaw(javax.media.j3d.Transform3D transform3D,
double radians)
Yaws the view by a given number of radians. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int X
public static final int Y
public static final int Z
Method Detail |
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public static void viewRotate(javax.media.j3d.Transform3D transform3D, javax.vecmath.Matrix3d rotation)
transform3D
- The transform containing the current rotation matrix.rotation
- The rotation matrix to be muliplied.public static void viewPitch(javax.media.j3d.Transform3D transform3D, double radians)
transform3D
- The transform containing the current rotation matrix.radians
- The angle to rotate the transform about its relative X axis.public static void viewYaw(javax.media.j3d.Transform3D transform3D, double radians)
transform3D
- The transform containing the current rotation matrix.radians
- The angle to rotate the transform about its relative Y axis.public static void viewRoll(javax.media.j3d.Transform3D transform3D, double radians)
transform3D
- The transform containing the current rotation matrix.radians
- The angle to rotate the transform about its relative Z axis.public static void viewTranslate(javax.media.j3d.Transform3D transform3D, int dimension, double distance)
transform3D
- The transform containing the current rotation and translation
matrix.dimension
- The relative axis to translate along.
Use the public constants X, Y, and Z provided by this class.public static boolean viewKeyPressed(javax.media.j3d.Transform3D transform3D, KeyEvent keyEvent, double deltaRotation, double deltaTranslation)
transform3D
- The transform containing the current rotation and translation
matrices, usually the user's view transform.keyEvent
- Arrow keys in combination with no other key, the Shift key, or
the Alt key will rotate or translate the transform about the
relative X, Y, and Z axes respectively for 6 degrees of freedom.deltaRotation
- The number of radians to rotate the view upon a keyboard input.deltaTranslation
- The distance to translate the view upon a keyboard input.
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