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Diffstat (limited to 'src/gleem/linalg/Vec2f.java')
-rw-r--r-- | src/gleem/linalg/Vec2f.java | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/src/gleem/linalg/Vec2f.java b/src/gleem/linalg/Vec2f.java deleted file mode 100644 index 4c02b61..0000000 --- a/src/gleem/linalg/Vec2f.java +++ /dev/null @@ -1,186 +0,0 @@ -/* - * gleem -- OpenGL Extremely Easy-To-Use Manipulators. - * Copyright (C) 1998-2003 Kenneth B. Russell ([email protected]) - * - * Copying, distribution and use of this software in source and binary - * forms, with or without modification, is permitted provided that the - * following conditions are met: - * - * Distributions of source code must reproduce the copyright notice, - * this list of conditions and the following disclaimer in the source - * code header files; and Distributions of binary code must reproduce - * the copyright notice, this list of conditions and the following - * disclaimer in the documentation, Read me file, license file and/or - * other materials provided with the software distribution. - * - * The names of Sun Microsystems, Inc. ("Sun") and/or the copyright - * holder may not be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED "AS IS," WITHOUT A WARRANTY OF ANY - * KIND. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE, NON-INTERFERENCE, ACCURACY OF - * INFORMATIONAL CONTENT OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. THE - * COPYRIGHT HOLDER, SUN AND SUN'S LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL THE - * COPYRIGHT HOLDER, SUN OR SUN'S LICENSORS BE LIABLE FOR ANY LOST - * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, - * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND - * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR - * INABILITY TO USE THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGES. YOU ACKNOWLEDGE THAT THIS SOFTWARE IS NOT - * DESIGNED, LICENSED OR INTENDED FOR USE IN THE DESIGN, CONSTRUCTION, - * OPERATION OR MAINTENANCE OF ANY NUCLEAR FACILITY. THE COPYRIGHT - * HOLDER, SUN AND SUN'S LICENSORS DISCLAIM ANY EXPRESS OR IMPLIED - * WARRANTY OF FITNESS FOR SUCH USES. - */ - -package gleem.linalg; - -/** 2-element single-precision vector */ - -public class Vec2f { - private float x; - private float y; - - public Vec2f() {} - - public Vec2f(Vec2f arg) { - this(arg.x, arg.y); - } - - public Vec2f(float x, float y) { - set(x, y); - } - - public Vec2f copy() { - return new Vec2f(this); - } - - public void set(Vec2f arg) { - set(arg.x, arg.y); - } - - public void set(float x, float y) { - this.x = x; - this.y = y; - } - - /** Sets the ith component, 0 <= i < 2 */ - public void set(int i, float val) { - switch (i) { - case 0: x = val; break; - case 1: y = val; break; - default: throw new IndexOutOfBoundsException(); - } - } - - /** Gets the ith component, 0 <= i < 2 */ - public float get(int i) { - switch (i) { - case 0: return x; - case 1: return y; - default: throw new IndexOutOfBoundsException(); - } - } - - public float x() { return x; } - public float y() { return y; } - - public void setX(float x) { this.x = x; } - public void setY(float y) { this.y = y; } - - public float dot(Vec2f arg) { - return x * arg.x + y * arg.y; - } - - public float length() { - return (float) Math.sqrt(lengthSquared()); - } - - public float lengthSquared() { - return this.dot(this); - } - - public void normalize() { - float len = length(); - if (len == 0.0f) return; - scale(1.0f / len); - } - - /** Returns this * val; creates new vector */ - public Vec2f times(float val) { - Vec2f tmp = new Vec2f(this); - tmp.scale(val); - return tmp; - } - - /** this = this * val */ - public void scale(float val) { - x *= val; - y *= val; - } - - /** Returns this + arg; creates new vector */ - public Vec2f plus(Vec2f arg) { - Vec2f tmp = new Vec2f(); - tmp.add(this, arg); - return tmp; - } - - /** this = this + b */ - public void add(Vec2f b) { - add(this, b); - } - - /** this = a + b */ - public void add(Vec2f a, Vec2f b) { - x = a.x + b.x; - y = a.y + b.y; - } - - /** Returns this + s * arg; creates new vector */ - public Vec2f addScaled(float s, Vec2f arg) { - Vec2f tmp = new Vec2f(); - tmp.addScaled(this, s, arg); - return tmp; - } - - /** this = a + s * b */ - public void addScaled(Vec2f a, float s, Vec2f b) { - x = a.x + s * b.x; - y = a.y + s * b.y; - } - - /** Returns this - arg; creates new vector */ - public Vec2f minus(Vec2f arg) { - Vec2f tmp = new Vec2f(); - tmp.sub(this, arg); - return tmp; - } - - /** this = this - b */ - public void sub(Vec2f b) { - sub(this, b); - } - - /** this = a - b */ - public void sub(Vec2f a, Vec2f b) { - x = a.x - b.x; - y = a.y - b.y; - } - - public Vecf toVecf() { - Vecf out = new Vecf(2); - for (int i = 0; i < 2; i++) { - out.set(i, get(i)); - } - return out; - } - - public String toString() { - return "(" + x + ", " + y + ")"; - } -} |