1 files changed, 63 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/collision/bih/TriangleAxisComparator.java b/engine/src/core/com/jme3/collision/bih/TriangleAxisComparator.java
new file mode 100644
index 0000000..895dd5a
--- /dev/null
+++ b/engine/src/core/com/jme3/collision/bih/TriangleAxisComparator.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2009-2010 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * 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.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT OWNER 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.
+ */
+
+package com.jme3.collision.bih;
+
+import com.jme3.math.Vector3f;
+import java.util.Comparator;
+
+public class TriangleAxisComparator implements Comparator<BIHTriangle> {
+
+    private final int axis;
+
+    public TriangleAxisComparator(int axis){
+        this.axis = axis;
+    }
+
+    public int compare(BIHTriangle o1, BIHTriangle o2) {
+        float v1, v2;
+        Vector3f c1 = o1.getCenter();
+        Vector3f c2 = o2.getCenter();
+        switch (axis){
+            case 0: v1 = c1.x; v2 = c2.x; break;
+            case 1: v1 = c1.y; v2 = c2.y; break;
+            case 2: v1 = c1.z; v2 = c2.z; break;
+            default: assert false; return 0;
+        }
+        if (v1 > v2)
+            return 1;
+        else if (v1 < v2)
+            return -1;
+        else
+            return 0;
+    }
+}
+\ No newline at end of file