From 48f781fb6e61539ba9d17efcfd9f9e38245cf6c0 Mon Sep 17 00:00:00 2001
From: bculkin2442 <bjculkin@mix.wvu.edu>
Date: Wed, 23 May 2018 16:42:38 -0400
Subject: Refactor package structure

---
 .../bezier/geom/transform/TDHLineReflection.java   | 68 ++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 CSMath/src/bezier/geom/transform/TDHLineReflection.java

(limited to 'CSMath/src/bezier/geom/transform/TDHLineReflection.java')

diff --git a/CSMath/src/bezier/geom/transform/TDHLineReflection.java b/CSMath/src/bezier/geom/transform/TDHLineReflection.java
new file mode 100644
index 0000000..0158d60
--- /dev/null
+++ b/CSMath/src/bezier/geom/transform/TDHLineReflection.java
@@ -0,0 +1,68 @@
+package bezier.geom.transform;
+
+import bezier.geom.TDHPoint;
+
+public class TDHLineReflection implements TDHTransform {
+	public final double a;
+	public final double b;
+	public final double c;
+
+	public TDHLineReflection(double a, double b, double c) {
+		this.a = a;
+		this.b = b;
+		this.c = c;
+	}
+
+	@Override
+	public TDHTransformType type() {
+		return TDHTransformType.REFLECTION;
+	}
+
+	@Override
+	public TDHPoint transform(TDHPoint punkt) {
+		double com = (a * a - b * b);
+
+		double x = (punkt.x * com) - (2 * a * b * punkt.y) - (2 * a * c * punkt.z);
+		double y = (-2 * a * b * punkt.x) + (punkt.y * com) - (2 * b * c * punkt.z);
+		double z = (punkt.z * com);
+
+		return new TDHPoint(x, y, z);
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		long temp;
+		temp = Double.doubleToLongBits(a);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		temp = Double.doubleToLongBits(b);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		temp = Double.doubleToLongBits(c);
+		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;
+		TDHLineReflection other = (TDHLineReflection) obj;
+		if (Double.doubleToLongBits(a) != Double.doubleToLongBits(other.a))
+			return false;
+		if (Double.doubleToLongBits(b) != Double.doubleToLongBits(other.b))
+			return false;
+		if (Double.doubleToLongBits(c) != Double.doubleToLongBits(other.c))
+			return false;
+		return true;
+	}
+
+	@Override
+	public String toString() {
+		return "TDHLineReflection [a=" + a + ", b=" + b + ", c=" + c + "]";
+	}
+}
\ No newline at end of file
-- 
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