Relocate package prefix to org.jogamp.vecmath

Updating the package prefix avoids clashes with old versions of Java 3D.
This is especially important on OS X, where Java 3D 1.3 is sometimes
present on the java.ext.path, taking precedence over the classpath.

1 files changed, 607 insertions, 0 deletions

diff --git a/src/org/jogamp/vecmath/Tuple2f.java b/src/org/jogamp/vecmath/Tuple2f.java
new file mode 100644
index 0000000..f929f1b
--- /dev/null
+++ b/src/org/jogamp/vecmath/Tuple2f.java
@@ -0,0 +1,607 @@
+/*
+ * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package org.jogamp.vecmath;
+
+
+/**
+ * A generic 2-element tuple that is represented by single-precision
+ * floating point x,y coordinates.
+ *
+ */
+public abstract class Tuple2f implements java.io.Serializable, Cloneable {
+
+    static final long serialVersionUID = 9011180388985266884L;
+
+    /**
+     * The x coordinate.
+     */
+    public	float	x;
+
+    /**
+     * The y coordinate.
+     */
+    public	float	y;
+
+
+    /**
+     * Constructs and initializes a Tuple2f from the specified xy coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     */
+    public Tuple2f(float x, float y)
+    {
+	this.x = x;
+	this.y = y;
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple2f from the specified array.
+     * @param t the array of length 2 containing xy in order
+     */
+    public Tuple2f(float[] t)
+    {
+	this.x = t[0];
+	this.y = t[1];
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple2f from the specified Tuple2f.
+     * @param t1 the Tuple2f containing the initialization x y data
+     */
+    public Tuple2f(Tuple2f t1)
+    {
+	this.x = t1.x;
+	this.y = t1.y;
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple2f from the specified Tuple2d.
+     * @param t1 the Tuple2d containing the initialization x y data
+     */
+    public Tuple2f(Tuple2d t1)
+    {
+	this.x = (float) t1.x;
+	this.y = (float) t1.y;
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple2f to (0,0).
+     */
+    public Tuple2f()
+    {
+	this.x = (float) 0.0;
+	this.y = (float) 0.0;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the specified xy coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     */
+    public final void set(float x, float y)
+    {
+	this.x = x;
+	this.y = y;
+    }
+
+
+    /**
+     * Sets the value of this tuple from the 2 values specified in
+     * the array.
+     * @param t the array of length 2 containing xy in order
+     */
+    public final void set(float[] t)
+    {
+	this.x = t[0];
+	this.y = t[1];
+    }
+
+
+    /**
+     * Sets the value of this tuple to the value of the Tuple2f argument.
+     * @param t1 the tuple to be copied
+     */
+    public final void set(Tuple2f t1)
+    {
+	this.x = t1.x;
+	this.y = t1.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the value of the Tuple2d argument.
+     * @param t1 the tuple to be copied
+     */
+    public final void set(Tuple2d t1)
+    {
+	this.x = (float) t1.x;
+	this.y = (float) t1.y;
+    }
+
+
+   /**
+    *  Copies the value of the elements of this tuple into the array t.
+    *  @param t the array that will contain the values of the vector
+    */
+   public final void get(float[] t)
+    {
+        t[0] = this.x;
+        t[1] = this.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the vector sum of tuples t1 and t2.
+     * @param t1 the first tuple
+     * @param t2 the second tuple
+     */
+    public final void add(Tuple2f t1, Tuple2f t2)
+    {
+	this.x = t1.x + t2.x;
+	this.y = t1.y + t2.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the vector sum of itself and tuple t1.
+     * @param t1 the other tuple
+     */
+    public final void add(Tuple2f t1)
+    {
+        this.x += t1.x;
+        this.y += t1.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the vector difference of
+     * tuple t1 and t2 (this = t1 - t2).
+     * @param t1 the first tuple
+     * @param t2 the second tuple
+     */
+    public final void sub(Tuple2f t1, Tuple2f t2)
+    {
+        this.x = t1.x - t2.x;
+        this.y = t1.y - t2.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the vector difference of
+     * itself and tuple t1 (this = this - t1).
+     * @param t1 the other tuple
+     */
+    public final void sub(Tuple2f t1)
+    {
+        this.x -= t1.x;
+        this.y -= t1.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the negation of tuple t1.
+     * @param t1 the source tuple
+     */
+    public final void negate(Tuple2f t1)
+    {
+	this.x = -t1.x;
+	this.y = -t1.y;
+    }
+
+
+    /**
+     * Negates the value of this vector in place.
+     */
+    public final void negate()
+    {
+	this.x = -this.x;
+	this.y = -this.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the scalar multiplication
+     * of tuple t1.
+     * @param s the scalar value
+     * @param t1 the source tuple
+     */
+    public final void scale(float s, Tuple2f t1)
+    {
+	this.x = s*t1.x;
+	this.y = s*t1.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the scalar multiplication
+     * of itself.
+     * @param s the scalar value
+     */
+    public final void scale(float s)
+    {
+	this.x *= s;
+	this.y *= s;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the scalar multiplication
+     * of tuple t1 and then adds tuple t2 (this = s*t1 + t2).
+     * @param s the scalar value
+     * @param t1 the tuple to be multipled
+     * @param t2 the tuple to be added
+     */
+    public final void scaleAdd(float s, Tuple2f t1, Tuple2f t2)
+    {
+        this.x = s*t1.x + t2.x;
+        this.y = s*t1.y + t2.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the scalar multiplication
+     * of itself and then adds tuple t1 (this = s*this + t1).
+     * @param s the scalar value
+     * @param t1 the tuple to be added
+     */
+    public final void scaleAdd(float s, Tuple2f t1)
+    {
+        this.x = s*this.x + t1.x;
+        this.y = s*this.y + t1.y;
+    }
+
+
+
+    /**
+     * Returns a hash code value based on the data values in this
+     * object.  Two different Tuple2f objects with identical data values
+     * (i.e., Tuple2f.equals returns true) will return the same hash
+     * code value.  Two objects with different data members may return the
+     * same hash value, although this is not likely.
+     * @return the integer hash code value
+     */
+    @Override
+    public int hashCode() {
+	long bits = 1L;
+	bits = VecMathUtil.hashFloatBits(bits, x);
+	bits = VecMathUtil.hashFloatBits(bits, y);
+	return VecMathUtil.hashFinish(bits);
+    }
+
+
+   /**
+     * Returns true if all of the data members of Tuple2f t1 are
+     * equal to the corresponding data members in this Tuple2f.
+     * @param t1  the vector with which the comparison is made
+     * @return  true or false
+     */
+    public boolean equals(Tuple2f t1)
+    {
+        try {
+           return(this.x == t1.x && this.y == t1.y);
+        }
+        catch (NullPointerException e2) {return false;}
+
+    }
+
+   /**
+     * Returns true if the Object t1 is of type Tuple2f and all of the
+     * data members of t1 are equal to the corresponding data members in
+     * this Tuple2f.
+     * @param t1  the object with which the comparison is made
+     * @return  true or false
+     */
+    @Override
+    public boolean equals(Object t1)
+    {
+        try {
+           Tuple2f t2 = (Tuple2f) t1;
+           return(this.x == t2.x && this.y == t2.y);
+        }
+        catch (NullPointerException e2) {return false;}
+        catch (ClassCastException   e1) {return false;}
+
+    }
+
+   /**
+     * Returns true if the L-infinite distance between this tuple
+     * and tuple t1 is less than or equal to the epsilon parameter,
+     * otherwise returns false.  The L-infinite
+     * distance is equal to MAX[abs(x1-x2), abs(y1-y2)].
+     * @param t1  the tuple to be compared to this tuple
+     * @param epsilon  the threshold value
+     * @return  true or false
+     */
+    public boolean epsilonEquals(Tuple2f t1, float epsilon)
+    {
+       float diff;
+
+       diff = x - t1.x;
+       if(Float.isNaN(diff)) return false;
+       if((diff<0?-diff:diff) > epsilon) return false;
+
+       diff = y - t1.y;
+       if(Float.isNaN(diff)) return false;
+       if((diff<0?-diff:diff) > epsilon) return false;
+
+       return true;
+    }
+
+   /**
+     * Returns a string that contains the values of this Tuple2f.
+     * The form is (x,y).
+     * @return the String representation
+     */
+   @Override
+   public String toString()
+   {
+        return("(" + this.x + ", " + this.y + ")");
+   }
+
+
+  /**
+    *  Clamps the tuple parameter to the range [low, high] and
+    *  places the values into this tuple.
+    *  @param min   the lowest value in the tuple after clamping
+    *  @param max  the highest value in the tuple after clamping
+    *  @param t   the source tuple, which will not be modified
+    */
+   public final void clamp(float min, float max, Tuple2f t)
+   {
+        if( t.x > max ) {
+          x = max;
+        } else if( t.x < min ){
+          x = min;
+        } else {
+          x = t.x;
+        }
+
+        if( t.y > max ) {
+          y = max;
+        } else if( t.y < min ){
+          y = min;
+        } else {
+          y = t.y;
+        }
+
+   }
+
+
+  /**
+    *  Clamps the minimum value of the tuple parameter to the min
+    *  parameter and places the values into this tuple.
+    *  @param min   the lowest value in the tuple after clamping
+    *  @param t   the source tuple, which will not be modified
+    */
+   public final void clampMin(float min, Tuple2f t)
+   {
+        if( t.x < min ) {
+          x = min;
+        } else {
+          x = t.x;
+        }
+
+        if( t.y < min ) {
+          y = min;
+        } else {
+          y = t.y;
+        }
+
+   }
+
+
+  /**
+    *  Clamps the maximum value of the tuple parameter to the max
+    *  parameter and places the values into this tuple.
+    *  @param max   the highest value in the tuple after clamping
+    *  @param t   the source tuple, which will not be modified
+    */
+   public final void clampMax(float max, Tuple2f t)
+   {
+        if( t.x > max ) {
+          x = max;
+        } else {
+          x = t.x;
+        }
+
+        if( t.y > max ) {
+          y = max;
+        } else {
+          y = t.y;
+        }
+
+   }
+
+
+  /**
+    *  Sets each component of the tuple parameter to its absolute
+    *  value and places the modified values into this tuple.
+    *  @param t   the source tuple, which will not be modified
+    */
+  public final void absolute(Tuple2f t)
+  {
+       x = Math.abs(t.x);
+       y = Math.abs(t.y);
+  }
+
+
+
+  /**
+    *  Clamps this tuple to the range [low, high].
+    *  @param min  the lowest value in this tuple after clamping
+    *  @param max  the highest value in this tuple after clamping
+    */
+   public final void clamp(float min, float max)
+   {
+        if( x > max ) {
+          x = max;
+        } else if( x < min ){
+          x = min;
+        }
+
+        if( y > max ) {
+          y = max;
+        } else if( y < min ){
+          y = min;
+        }
+
+   }
+
+
+  /**
+    *  Clamps the minimum value of this tuple to the min parameter.
+    *  @param min   the lowest value in this tuple after clamping
+    */
+   public final void clampMin(float min)
+   {
+      if( x < min ) x=min;
+      if( y < min ) y=min;
+   }
+
+
+  /**
+    *  Clamps the maximum value of this tuple to the max parameter.
+    *  @param max   the highest value in the tuple after clamping
+    */
+   public final void clampMax(float max)
+   {
+      if( x > max ) x=max;
+      if( y > max ) y=max;
+   }
+
+
+  /**
+    *  Sets each component of this tuple to its absolute value.
+    */
+  public final void absolute()
+  {
+     x = Math.abs(x);
+     y = Math.abs(y);
+  }
+
+
+  /**
+    *  Linearly interpolates between tuples t1 and t2 and places the
+    *  result into this tuple:  this = (1-alpha)*t1 + alpha*t2.
+    *  @param t1  the first tuple
+    *  @param t2  the second tuple
+    *  @param alpha  the alpha interpolation parameter
+    */
+  public final void interpolate(Tuple2f t1, Tuple2f t2, float alpha)
+  {
+           this.x = (1-alpha)*t1.x + alpha*t2.x;
+           this.y = (1-alpha)*t1.y + alpha*t2.y;
+
+  }
+
+
+  /**
+    *  Linearly interpolates between this tuple and tuple t1 and
+    *  places the result into this tuple:  this = (1-alpha)*this + alpha*t1.
+    *  @param t1  the first tuple
+    *  @param alpha  the alpha interpolation parameter
+    */
+  public final void interpolate(Tuple2f t1, float alpha)
+  {
+
+     this.x = (1-alpha)*this.x + alpha*t1.x;
+     this.y = (1-alpha)*this.y + alpha*t1.y;
+
+  }
+
+    /**
+     * Creates a new object of the same class as this object.
+     *
+     * @return a clone of this instance.
+     * @exception OutOfMemoryError if there is not enough memory.
+     * @see java.lang.Cloneable
+     * @since vecmath 1.3
+     */
+    @Override
+    public Object clone() {
+	// Since there are no arrays we can just use Object.clone()
+	try {
+	    return super.clone();
+	} catch (CloneNotSupportedException e) {
+	    // this shouldn't happen, since we are Cloneable
+	    throw new InternalError();
+	}
+    }
+
+
+    /**
+	 * Get the <i>x</i> coordinate.
+	 *
+	 * @return  the <i>x</i> coordinate.
+	 *
+	 * @since vecmath 1.5
+	 */
+	public final float getX() {
+		return x;
+	}
+
+
+	/**
+	 * Set the <i>x</i> coordinate.
+	 *
+	 * @param x  value to <i>x</i> coordinate.
+	 *
+	 * @since vecmath 1.5
+	 */
+	public final void setX(float x) {
+		this.x = x;
+	}
+
+
+	/**
+	 * Get the <i>y</i> coordinate.
+	 *
+	 * @return  the <i>y</i> coordinate.
+	 *
+	 * @since vecmath 1.5
+	 */
+	public final float getY() {
+		return y;
+	}
+
+
+	/**
+	 * Set the <i>y</i> coordinate.
+	 *
+	 * @param y value to <i>y</i> coordinate.
+	 *
+	 * @since vecmath 1.5
+	 */
+	public final void setY(float y) {
+		this.y = y;
+	}
+}