diff options
Diffstat (limited to 'CSMath/src/bezier/geom/transform/TDHRotation.java')
| -rw-r--r-- | CSMath/src/bezier/geom/transform/TDHRotation.java | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/CSMath/src/bezier/geom/transform/TDHRotation.java b/CSMath/src/bezier/geom/transform/TDHRotation.java index a8c4cd6..4cea452 100644 --- a/CSMath/src/bezier/geom/transform/TDHRotation.java +++ b/CSMath/src/bezier/geom/transform/TDHRotation.java @@ -2,9 +2,21 @@ package bezier.geom.transform; import bezier.geom.TDHPoint;
+/**
+ * Rotation transform.
+ * @author bjculkin
+ *
+ */
public class TDHRotation implements TDHTransform {
+ /**
+ * Degrees to rotate.
+ */
public final double theta;
+ /**
+ * Create a new rotation transform.
+ * @param theta The degrees to rotate.
+ */
public TDHRotation(double theta) {
this.theta = theta;
}
@@ -17,11 +29,13 @@ public class TDHRotation implements TDHTransform { return new TDHPoint(x, y, punkt.z);
}
+ @Override
public double[][] matrix() {
return new double[][] { new double[] { Math.cos(theta), Math.sin(theta), 0 },
new double[] { -Math.sin(theta), Math.cos(theta), 0 }, new double[] { 0, 0, 1 } };
}
+ @Override
public TDHTransform invert() {
return new TDHRotation(-theta);
}
|