1 files changed, 153 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/math/Vec2i.java b/src/jogl/classes/com/jogamp/opengl/math/Vec2i.java
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+++ b/src/jogl/classes/com/jogamp/opengl/math/Vec2i.java
@@ -0,0 +1,153 @@
+/**
+ * Copyright 2022-2023 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 com.jogamp.opengl.math;
+
+/**
+ * 2D Vector based upon two integer components.
+ */
+public final class Vec2i {
+    private int x;
+    private int y;
+
+    public Vec2i() {}
+
+    public Vec2i(final Vec2i o) {
+        set(o);
+    }
+
+    public Vec2i copy() {
+        return new Vec2i(this);
+    }
+
+    public Vec2i(final int[/*2*/] xy) {
+        set(xy);
+    }
+
+    public Vec2i(final int x, final int y) {
+        set(x, y);
+    }
+
+    /** this = o, returns this. */
+    public void set(final Vec2i o) {
+        this.x = o.x;
+        this.y = o.y;
+    }
+
+    /** this = { x, y }, returns this. */
+    public void set(final int x, final int y) {
+        this.x = x;
+        this.y = y;
+    }
+
+    /** this = xy, returns this. */
+    public Vec2i set(final int[/*2*/] xy) {
+        this.x = xy[0];
+        this.y = xy[1];
+        return this;
+    }
+
+    /** xy = this, returns xy. */
+    public int[] get(final int[/*2*/] xy) {
+        xy[0] = this.x;
+        xy[1] = this.y;
+        return xy;
+    }
+
+    public int x() { return x; }
+    public int y() { return y; }
+
+    public void setX(final int x) { this.x = x; }
+    public void setY(final int y) { this.y = y; }
+
+    /** Return true if all components are zero. */
+    public boolean isZero() {
+        return 0 == x && 0 == y;
+    }
+
+    /**
+     * Return the length of this vector, a.k.a the <i>norm</i> or <i>magnitude</i>
+     */
+    public int length() {
+        return (int) Math.sqrt(lengthSq());
+    }
+
+    /**
+     * Return the squared length of this vector, a.k.a the squared <i>norm</i> or squared <i>magnitude</i>
+     */
+    public int lengthSq() {
+        return x*x + y*y;
+    }
+
+    /**
+     * Return the squared distance between this vector and the given one.
+     * <p>
+     * When comparing the relative distance between two points it is usually sufficient to compare the squared
+     * distances, thus avoiding an expensive square root operation.
+     * </p>
+     */
+    public int distSq(final Vec2i o) {
+        final int dx = x - o.x;
+        final int dy = y - o.y;
+        return dx*dx + dy*dy;
+    }
+
+    /**
+     * Return the distance between this vector and the given one.
+     */
+    public int dist(final Vec2i o) {
+        return (int)Math.sqrt(distSq(o));
+    }
+
+    /**
+     * Equals check.
+     * @param o comparison value
+     * @return true if all components are equal
+     */
+    public boolean isEqual(final Vec2i o) {
+        if( this == o ) {
+            return true;
+        } else {
+            return x == o.x && y == o.y;
+        }
+    }
+
+    @Override
+    public boolean equals(final Object o) {
+        if( o instanceof Vec2i ) {
+            return isEqual((Vec2i)o);
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public String toString() {
+        return x + " / " + y;
+    }
+}