1 files changed, 130 insertions, 0 deletions
diff --git a/turtle2d/src/jogamp/graph/curve/tess/HEdge.java b/turtle2d/src/jogamp/graph/curve/tess/HEdge.java
new file mode 100644
index 000000000..d1bcc6e17
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/tess/HEdge.java
@@ -0,0 +1,130 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package jogamp.graph.curve.tess;
+
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.graph.geom.Triangle;
+
+
+public class HEdge {
+	public static int BOUNDARY = 3;
+	public static int INNER = 1;
+	public static int HOLE = 2;
+	
+	private GraphVertex vert;
+	private HEdge prev = null;
+	private HEdge next = null;
+	private HEdge sibling = null;
+	private int type = BOUNDARY;
+	private Triangle triangle = null;
+	
+	public HEdge(GraphVertex vert, int type) {
+		this.vert = vert;
+		this.type = type;
+	}
+
+	public HEdge(GraphVertex vert, HEdge prev, HEdge next, HEdge sibling, int type) {
+		this.vert = vert;
+		this.prev = prev;
+		this.next = next;
+		this.sibling = sibling;
+		this.type = type;
+	}
+
+	public HEdge(GraphVertex vert, HEdge prev, HEdge next, HEdge sibling, int type, Triangle triangle) {
+		this.vert = vert;
+		this.prev = prev;
+		this.next = next;
+		this.sibling = sibling;
+		this.type = type;
+		this.triangle = triangle;
+	}
+
+	public GraphVertex getGraphPoint() {
+		return vert;
+	}
+
+	public void setVert(GraphVertex vert) {
+		this.vert = vert;
+	}
+
+	public HEdge getPrev() {
+		return prev;
+	}
+
+	public void setPrev(HEdge prev) {
+		this.prev = prev;
+	}
+
+	public HEdge getNext() {
+		return next;
+	}
+
+	public void setNext(HEdge next) {
+		this.next = next;
+	}
+
+	public HEdge getSibling() {
+		return sibling;
+	}
+
+	public void setSibling(HEdge sibling) {
+		this.sibling = sibling;
+	}
+
+	public int getType() {
+		return type;
+	}
+
+	public void setType(int type) {
+		this.type = type;
+	}
+
+	public Triangle getTriangle() {
+		return triangle;
+	}
+
+	public void setTriangle(Triangle triangle) {
+		this.triangle = triangle;
+	}
+	
+	public static <T extends Vertex> void connect(HEdge first, HEdge next){
+		first.setNext(next);
+		next.setPrev(first);
+	}
+	
+	public static <T extends Vertex> void makeSiblings(HEdge first, HEdge second){
+		first.setSibling(second);
+		second.setSibling(first);
+	}
+	
+	public boolean vertexOnCurveVertex(){
+		return vert.getPoint().isOnCurve();
+	}
+	
+}