diff options
| author | bculkin2442 <bjculkin@mix.wvu.edu> | 2018-05-23 16:42:38 -0400 |
|---|---|---|
| committer | bculkin2442 <bjculkin@mix.wvu.edu> | 2018-05-23 16:42:38 -0400 |
| commit | 48f781fb6e61539ba9d17efcfd9f9e38245cf6c0 (patch) | |
| tree | 97e5743678a00d09024ec040490b8fcf8ccb1c74 /CSMath/src/bezier/transforms/geom/TDHRotation.java | |
| parent | 81d8191c01629d881486f1f1fe5ae16c42b46287 (diff) | |
Refactor package structure
Diffstat (limited to 'CSMath/src/bezier/transforms/geom/TDHRotation.java')
| -rw-r--r-- | CSMath/src/bezier/transforms/geom/TDHRotation.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/CSMath/src/bezier/transforms/geom/TDHRotation.java b/CSMath/src/bezier/transforms/geom/TDHRotation.java new file mode 100644 index 0000000..8870b53 --- /dev/null +++ b/CSMath/src/bezier/transforms/geom/TDHRotation.java @@ -0,0 +1,57 @@ +package bezier.transforms.geom;
+
+import bezier.geom.TDHPoint;
+
+public class TDHRotation implements TDHTransform {
+ public final double theta;
+
+ public TDHRotation(double theta) {
+ this.theta = theta;
+ }
+
+ @Override
+ public TDHPoint transform(TDHPoint punkt) {
+ double x = (punkt.x * Math.cos(theta)) - (punkt.y * Math.sin(theta));
+ double y = (punkt.x * Math.sin(theta)) - (punkt.y * Math.cos(theta));
+
+ return new TDHPoint(x, y, punkt.z);
+ }
+
+ 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 } };
+ }
+
+ public TDHTransform invert() {
+ return new TDHRotation(-theta);
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ long temp;
+ temp = Double.doubleToLongBits(theta);
+ result = prime * result + (int) (temp ^ (temp >>> 32));
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ TDHRotation other = (TDHRotation) obj;
+ if (Double.doubleToLongBits(theta) != Double.doubleToLongBits(other.theta))
+ return false;
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ return "TDHRotation [theta=" + theta + "]";
+ }
+}
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