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Diffstat (limited to 'src/gleem/linalg/Vec3f.java')
-rw-r--r-- | src/gleem/linalg/Vec3f.java | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/src/gleem/linalg/Vec3f.java b/src/gleem/linalg/Vec3f.java deleted file mode 100644 index 5468f3e..0000000 --- a/src/gleem/linalg/Vec3f.java +++ /dev/null @@ -1,232 +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; - -/** 3-element single-precision vector */ - -public class Vec3f { - public static final Vec3f X_AXIS = new Vec3f( 1, 0, 0); - public static final Vec3f Y_AXIS = new Vec3f( 0, 1, 0); - public static final Vec3f Z_AXIS = new Vec3f( 0, 0, 1); - public static final Vec3f NEG_X_AXIS = new Vec3f(-1, 0, 0); - public static final Vec3f NEG_Y_AXIS = new Vec3f( 0, -1, 0); - public static final Vec3f NEG_Z_AXIS = new Vec3f( 0, 0, -1); - - private float x; - private float y; - private float z; - - public Vec3f() {} - - public Vec3f(Vec3f arg) { - set(arg); - } - - public Vec3f(float x, float y, float z) { - set(x, y, z); - } - - public Vec3f copy() { - return new Vec3f(this); - } - - /** Convert to double-precision */ - public Vec3d toDouble() { - return new Vec3d(x, y, z); - } - - public void set(Vec3f arg) { - set(arg.x, arg.y, arg.z); - } - - public void set(float x, float y, float z) { - this.x = x; - this.y = y; - this.z = z; - } - - /** Sets the ith component, 0 <= i < 3 */ - public void set(int i, float val) { - switch (i) { - case 0: x = val; break; - case 1: y = val; break; - case 2: z = val; break; - default: throw new IndexOutOfBoundsException(); - } - } - - /** Gets the ith component, 0 <= i < 3 */ - public float get(int i) { - switch (i) { - case 0: return x; - case 1: return y; - case 2: return z; - default: throw new IndexOutOfBoundsException(); - } - } - - public float x() { return x; } - public float y() { return y; } - public float z() { return z; } - - public void setX(float x) { this.x = x; } - public void setY(float y) { this.y = y; } - public void setZ(float z) { this.z = z; } - - public float dot(Vec3f arg) { - return x * arg.x + y * arg.y + z * arg.z; - } - - 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 Vec3f times(float val) { - Vec3f tmp = new Vec3f(this); - tmp.scale(val); - return tmp; - } - - /** this = this * val */ - public void scale(float val) { - x *= val; - y *= val; - z *= val; - } - - /** Returns this + arg; creates new vector */ - public Vec3f plus(Vec3f arg) { - Vec3f tmp = new Vec3f(); - tmp.add(this, arg); - return tmp; - } - - /** this = this + b */ - public void add(Vec3f b) { - add(this, b); - } - - /** this = a + b */ - public void add(Vec3f a, Vec3f b) { - x = a.x + b.x; - y = a.y + b.y; - z = a.z + b.z; - } - - /** Returns this + s * arg; creates new vector */ - public Vec3f addScaled(float s, Vec3f arg) { - Vec3f tmp = new Vec3f(); - tmp.addScaled(this, s, arg); - return tmp; - } - - /** this = a + s * b */ - public void addScaled(Vec3f a, float s, Vec3f b) { - x = a.x + s * b.x; - y = a.y + s * b.y; - z = a.z + s * b.z; - } - - /** Returns this - arg; creates new vector */ - public Vec3f minus(Vec3f arg) { - Vec3f tmp = new Vec3f(); - tmp.sub(this, arg); - return tmp; - } - - /** this = this - b */ - public void sub(Vec3f b) { - sub(this, b); - } - - /** this = a - b */ - public void sub(Vec3f a, Vec3f b) { - x = a.x - b.x; - y = a.y - b.y; - z = a.z - b.z; - } - - /** Returns this cross arg; creates new vector */ - public Vec3f cross(Vec3f arg) { - Vec3f tmp = new Vec3f(); - tmp.cross(this, arg); - return tmp; - } - - /** this = a cross b. NOTE: "this" must be a different vector than - both a and b. */ - public void cross(Vec3f a, Vec3f b) { - x = a.y * b.z - a.z * b.y; - y = a.z * b.x - a.x * b.z; - z = a.x * b.y - a.y * b.x; - } - - /** Sets each component of this vector to the product of the - component with the corresponding component of the argument - vector. */ - public void componentMul(Vec3f arg) { - x *= arg.x; - y *= arg.y; - z *= arg.z; - } - - public Vecf toVecf() { - Vecf out = new Vecf(3); - for (int i = 0; i < 3; i++) { - out.set(i, get(i)); - } - return out; - } - - public String toString() { - return "(" + x + ", " + y + ", " + z + ")"; - } -} |