diff options
author | Curtis Rueden <[email protected]> | 2015-11-18 09:10:28 -0600 |
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committer | Curtis Rueden <[email protected]> | 2015-11-27 22:55:12 -0600 |
commit | 0bc630ab20ae013225c0c93ff13733457724f143 (patch) | |
tree | 92cb5c4bc2ef7440ea2daccecc490092a7bf12f8 /src/org/jogamp/vecmath/Tuple4d.java | |
parent | 89caa5181fae34eaaec6d4e0a40c08ea5d38844e (diff) |
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.
Diffstat (limited to 'src/org/jogamp/vecmath/Tuple4d.java')
-rw-r--r-- | src/org/jogamp/vecmath/Tuple4d.java | 865 |
1 files changed, 865 insertions, 0 deletions
diff --git a/src/org/jogamp/vecmath/Tuple4d.java b/src/org/jogamp/vecmath/Tuple4d.java new file mode 100644 index 0000000..618fef1 --- /dev/null +++ b/src/org/jogamp/vecmath/Tuple4d.java @@ -0,0 +1,865 @@ +/* + * 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 4 element tuple represented by double precision floating point + * x,y,z,w coordinates. + * + */ +public abstract class Tuple4d implements java.io.Serializable, Cloneable { + + static final long serialVersionUID = -4748953690425311052L; + + /** + * The x coordinate. + */ + public double x; + + /** + * The y coordinate. + */ + public double y; + + /** + * The z coordinate. + */ + public double z; + + /** + * The w coordinate. + */ + public double w; + + + /** + * Constructs and initializes a Tuple4d from the specified xyzw coordinates. + * @param x the x coordinate + * @param y the y coordinate + * @param z the z coordinate + * @param w the w coordinate + */ + public Tuple4d(double x, double y, double z, double w) + { + this.x = x; + this.y = y; + this.z = z; + this.w = w; + } + + + /** + * Constructs and initializes a Tuple4d from the coordinates contained + * in the array. + * @param t the array of length 4 containing xyzw in order + */ + public Tuple4d(double[] t) + { + this.x = t[0]; + this.y = t[1]; + this.z = t[2]; + this.w = t[3]; + } + + + /** + * Constructs and initializes a Tuple4d from the specified Tuple4d. + * @param t1 the Tuple4d containing the initialization x y z w data + */ + public Tuple4d(Tuple4d t1) + { + this.x = t1.x; + this.y = t1.y; + this.z = t1.z; + this.w = t1.w; + } + + + /** + * Constructs and initializes a Tuple4d from the specified Tuple4f. + * @param t1 the Tuple4f containing the initialization x y z w data + */ + public Tuple4d(Tuple4f t1) + { + this.x = t1.x; + this.y = t1.y; + this.z = t1.z; + this.w = t1.w; + } + + + /** + * Constructs and initializes a Tuple4d to (0,0,0,0). + */ + public Tuple4d() + { + this.x = 0.0; + this.y = 0.0; + this.z = 0.0; + this.w = 0.0; + } + + + /** + * Sets the value of this tuple to the specified xyzw coordinates. + * @param x the x coordinate + * @param y the y coordinate + * @param z the z coordinate + * @param w the w coordinate + */ + public final void set(double x, double y, double z, double w) + { + this.x = x; + this.y = y; + this.z = z; + this.w = w; + } + + + /** + * Sets the value of this tuple to the specified xyzw coordinates. + * @param t the array of length 4 containing xyzw in order + */ + public final void set(double[] t) + { + this.x = t[0]; + this.y = t[1]; + this.z = t[2]; + this.w = t[3]; + } + + + /** + * Sets the value of this tuple to the value of tuple t1. + * @param t1 the tuple to be copied + */ + public final void set(Tuple4d t1) + { + this.x = t1.x; + this.y = t1.y; + this.z = t1.z; + this.w = t1.w; + } + + + /** + * Sets the value of this tuple to the value of tuple t1. + * @param t1 the tuple to be copied + */ + public final void set(Tuple4f t1) + { + this.x = t1.x; + this.y = t1.y; + this.z = t1.z; + this.w = t1.w; + } + + + /** + * Gets the value of this tuple and places it into the array t of + * length four in x,y,z,w order. + * @param t the array of length four + */ + public final void get(double[] t) + { + t[0] = this.x; + t[1] = this.y; + t[2] = this.z; + t[3] = this.w; + } + + + /** + * Gets the value of this tuple and places it into the Tuple4d + * argument of + * length four in x,y,z,w order. + * @param t the Tuple into which the values will be copied + */ + public final void get(Tuple4d t) + { + t.x = this.x; + t.y = this.y; + t.z = this.z; + t.w = this.w; + } + + + /** + * Sets the value of this tuple to the tuple sum of tuples t1 and t2. + * @param t1 the first tuple + * @param t2 the second tuple + */ + public final void add(Tuple4d t1, Tuple4d t2) + { + this.x = t1.x + t2.x; + this.y = t1.y + t2.y; + this.z = t1.z + t2.z; + this.w = t1.w + t2.w; + } + + + /** + * Sets the value of this tuple to the sum of itself and tuple t1. + * @param t1 the other tuple + */ + public final void add(Tuple4d t1) + { + this.x += t1.x; + this.y += t1.y; + this.z += t1.z; + this.w += t1.w; + } + + + /** + * Sets the value of this tuple to the difference + * of tuples t1 and t2 (this = t1 - t2). + * @param t1 the first tuple + * @param t2 the second tuple + */ + public final void sub(Tuple4d t1, Tuple4d t2) + { + this.x = t1.x - t2.x; + this.y = t1.y - t2.y; + this.z = t1.z - t2.z; + this.w = t1.w - t2.w; + } + + + /** + * Sets the value of this tuple to the difference of itself + * and tuple t1 (this = this - t1). + * @param t1 the other tuple + */ + public final void sub(Tuple4d t1) + { + this.x -= t1.x; + this.y -= t1.y; + this.z -= t1.z; + this.w -= t1.w; + } + + + /** + * Sets the value of this tuple to the negation of tuple t1. + * @param t1 the source tuple + */ + public final void negate(Tuple4d t1) + { + this.x = -t1.x; + this.y = -t1.y; + this.z = -t1.z; + this.w = -t1.w; + } + + + /** + * Negates the value of this tuple in place. + */ + public final void negate() + { + this.x = -this.x; + this.y = -this.y; + this.z = -this.z; + this.w = -this.w; + } + + + /** + * Sets the value of this tuple to the scalar multiplication + * of the scale factor with the tuple t1. + * @param s the scalar value + * @param t1 the source tuple + */ + public final void scale(double s, Tuple4d t1) + { + this.x = s*t1.x; + this.y = s*t1.y; + this.z = s*t1.z; + this.w = s*t1.w; + } + + + /** + * Sets the value of this tuple to the scalar multiplication + * of the scale factor with this. + * @param s the scalar value + */ + public final void scale(double s) + { + this.x *= s; + this.y *= s; + this.z *= s; + this.w *= s; + } + + + /** + * Sets the value of this tuple to the scalar multiplication by s + * of tuple t1 plus 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(double s, Tuple4d t1, Tuple4d t2) + { + this.x = s*t1.x + t2.x; + this.y = s*t1.y + t2.y; + this.z = s*t1.z + t2.z; + this.w = s*t1.w + t2.w; + } + + + + /** + * @deprecated Use scaleAdd(double,Tuple4d) instead + */ + public final void scaleAdd(float s, Tuple4d t1) { + scaleAdd((double)s, t1); + } + + + /** + * 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(double s, Tuple4d t1) { + this.x = s*this.x + t1.x; + this.y = s*this.y + t1.y; + this.z = s*this.z + t1.z; + this.w = s*this.w + t1.w; + } + + + + /** + * Returns a string that contains the values of this Tuple4d. + * The form is (x,y,z,w). + * @return the String representation + */ + @Override + public String toString() { + return "(" + this.x + ", " + this.y + ", " + this.z + ", " + this.w + ")"; + } + + + /** + * Returns true if all of the data members of Tuple4d t1 are + * equal to the corresponding data members in this Tuple4d. + * @param t1 the tuple with which the comparison is made + * @return true or false + */ + public boolean equals(Tuple4d t1) + { + try { + return(this.x == t1.x && this.y == t1.y && this.z == t1.z + && this.w == t1.w); + } + catch (NullPointerException e2) {return false;} + } + + /** + * Returns true if the Object t1 is of type Tuple4d and all of the + * data members of t1 are equal to the corresponding data members in + * this Tuple4d. + * @param t1 the object with which the comparison is made + * @return true or false + */ + @Override + public boolean equals(Object t1) + { + try { + + Tuple4d t2 = (Tuple4d) t1; + return(this.x == t2.x && this.y == t2.y && + this.z == t2.z && this.w == t2.w); + } + 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), abs(z1-z2), abs(w1-w2)]. + * @param t1 the tuple to be compared to this tuple + * @param epsilon the threshold value + * @return true or false + */ + public boolean epsilonEquals(Tuple4d t1, double epsilon) + { + double diff; + + diff = x - t1.x; + if(Double.isNaN(diff)) return false; + if((diff<0?-diff:diff) > epsilon) return false; + + diff = y - t1.y; + if(Double.isNaN(diff)) return false; + if((diff<0?-diff:diff) > epsilon) return false; + + diff = z - t1.z; + if(Double.isNaN(diff)) return false; + if((diff<0?-diff:diff) > epsilon) return false; + + diff = w - t1.w; + if(Double.isNaN(diff)) return false; + if((diff<0?-diff:diff) > epsilon) return false; + + return true; + + } + + + /** + * Returns a hash code value based on the data values in this + * object. Two different Tuple4d objects with identical data values + * (i.e., Tuple4d.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.hashDoubleBits(bits, x); + bits = VecMathUtil.hashDoubleBits(bits, y); + bits = VecMathUtil.hashDoubleBits(bits, z); + bits = VecMathUtil.hashDoubleBits(bits, w); + return VecMathUtil.hashFinish(bits); + } + + + /** + * @deprecated Use clamp(double,double,Tuple4d) instead + */ + public final void clamp(float min, float max, Tuple4d t) { + clamp((double)min, (double)max, t); + } + + + /** + * 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(double min, double max, Tuple4d 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; + } + + if( t.z > max ) { + z = max; + } else if( t.z < min ){ + z = min; + } else { + z = t.z; + } + + if( t.w > max ) { + w = max; + } else if( t.w < min ){ + w = min; + } else { + w = t.w; + } + + } + + + /** + * @deprecated Use clampMin(double,Tuple4d) instead + */ + public final void clampMin(float min, Tuple4d t) { + clampMin((double)min, t); + } + + + /** + * 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(double min, Tuple4d t) { + if( t.x < min ) { + x = min; + } else { + x = t.x; + } + + if( t.y < min ) { + y = min; + } else { + y = t.y; + } + + if( t.z < min ) { + z = min; + } else { + z = t.z; + } + + if( t.w < min ) { + w = min; + } else { + w = t.w; + } + + } + + + /** + * @deprecated Use clampMax(double,Tuple4d) instead + */ + public final void clampMax(float max, Tuple4d t) { + clampMax((double)max, t); + } + + + /** + * 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(double max, Tuple4d t) { + if( t.x > max ) { + x = max; + } else { + x = t.x; + } + + if( t.y > max ) { + y = max; + } else { + y = t.y; + } + + if( t.z > max ) { + z = max; + } else { + z = t.z; + } + + if( t.w > max ) { + w = max; + } else { + w = t.z; + } + + } + + + /** + * 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(Tuple4d t) + { + x = Math.abs(t.x); + y = Math.abs(t.y); + z = Math.abs(t.z); + w = Math.abs(t.w); + + } + + + + /** + * @deprecated Use clamp(double,double) instead + */ + public final void clamp(float min, float max) { + clamp((double)min, (double)max); + } + + + /** + * 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(double min, double max) { + if( x > max ) { + x = max; + } else if( x < min ){ + x = min; + } + + if( y > max ) { + y = max; + } else if( y < min ){ + y = min; + } + + if( z > max ) { + z = max; + } else if( z < min ){ + z = min; + } + + if( w > max ) { + w = max; + } else if( w < min ){ + w = min; + } + + } + + + /** + * @deprecated Use clampMin(double) instead + */ + public final void clampMin(float min) { + clampMin((double)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(double min) { + if( x < min ) x=min; + if( y < min ) y=min; + if( z < min ) z=min; + if( w < min ) w=min; + } + + + /** + * @deprecated Use clampMax(double) instead + */ + public final void clampMax(float max) { + clampMax((double)max); + } + + + /** + * 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(double max) { + if( x > max ) x=max; + if( y > max ) y=max; + if( z > max ) z=max; + if( w > max ) w=max; + + } + + + /** + * Sets each component of this tuple to its absolute value. + */ + public final void absolute() + { + x = Math.abs(x); + y = Math.abs(y); + z = Math.abs(z); + w = Math.abs(w); + + } + + + /** + * @deprecated Use interpolate(Tuple4d,Tuple4d,double) instead + */ + public void interpolate(Tuple4d t1, Tuple4d t2, float alpha) { + interpolate(t1, t2, (double)alpha); + } + + + /** + * 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 void interpolate(Tuple4d t1, Tuple4d t2, double alpha) { + this.x = (1-alpha)*t1.x + alpha*t2.x; + this.y = (1-alpha)*t1.y + alpha*t2.y; + this.z = (1-alpha)*t1.z + alpha*t2.z; + this.w = (1-alpha)*t1.w + alpha*t2.w; + } + + + /** + * @deprecated Use interpolate(Tuple4d,double) instead + */ + public void interpolate(Tuple4d t1, float alpha) { + interpolate(t1, (double)alpha); + } + + + /** + * 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 void interpolate(Tuple4d t1, double alpha) { + this.x = (1-alpha)*this.x + alpha*t1.x; + this.y = (1-alpha)*this.y + alpha*t1.y; + this.z = (1-alpha)*this.z + alpha*t1.z; + this.w = (1-alpha)*this.w + alpha*t1.w; + } + + /** + * 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 x coordinate. + * + * @since vecmath 1.5 + */ + public final double 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(double x) { + this.x = x; + } + + + /** + * Get the <i>y</i> coordinate. + * + * @return the <i>y</i> coordinate. + * + * @since vecmath 1.5 + */ + public final double 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(double y) { + this.y = y; + } + + /** + * Get the <i>z</i> coordinate. + * + * @return the <i>z</i> coordinate. + * + * @since vecmath 1.5 + */ + public final double getZ() { + return z; + } + + + /** + * Set the <i>z</i> coordinate. + * + * @param z value to <i>z</i> coordinate. + * + * @since vecmath 1.5 + */ + public final void setZ(double z) { + this.z = z; + } + + + /** + * Get the <i>w</i> coordinate. + * + * @return the <i>w</i> coordinate. + * + * @since vecmath 1.5 + */ + public final double getW() { + return w; + } + + + /** + * Set the <i>w</i> coordinate. + * + * @param w value to <i>w</i> coordinate. + * + * @since vecmath 1.5 + */ + public final void setW(double w) { + this.w = w; + } +} |