From 5fdb8554aa59432924c6cf2cf4e8c178c5856deb Mon Sep 17 00:00:00 2001
From: student <student@localhost>
Date: Wed, 11 Apr 2018 17:06:20 -0400
Subject: Update

---
 .../src/bezier/transforms/TDHMatrixTransform.java  | 32 ++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 CSMath/src/bezier/transforms/TDHMatrixTransform.java

(limited to 'CSMath/src/bezier/transforms/TDHMatrixTransform.java')

diff --git a/CSMath/src/bezier/transforms/TDHMatrixTransform.java b/CSMath/src/bezier/transforms/TDHMatrixTransform.java
new file mode 100644
index 0000000..6cfc3cc
--- /dev/null
+++ b/CSMath/src/bezier/transforms/TDHMatrixTransform.java
@@ -0,0 +1,32 @@
+package bezier.transforms;
+
+import bezier.geom.Matrix;
+import bezier.geom.TDHPoint;
+
+public class TDHMatrixTransform implements TDHTransform {
+	public final Matrix mat;
+
+	public TDHMatrixTransform(Matrix mat) {
+		this.mat = mat;
+	}
+
+	public TDHMatrixTransform(double[][] mat) {
+		this.mat = new Matrix(mat);
+	}
+
+	@Override
+	public TDHTransformType type() {
+		return TDHTransformType.MATRIX;
+	}
+
+	@Override
+	public TDHPoint transform(TDHPoint punkt) {
+		double[] mult = mat.scalarMultiply(new double[] { punkt.x, punkt.y, punkt.z });
+
+		return new TDHPoint(mult[0], mult[1], mult[2]);
+	}
+
+	public TDHTransform then(TDHMatrixTransform trans) {
+		return new TDHMatrixTransform(mat.multiply(trans.mat));
+	}
+}
\ No newline at end of file
-- 
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