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diff --git a/contexts/data/lib/closure-library/closure/goog/vec/vec3.js b/contexts/data/lib/closure-library/closure/goog/vec/vec3.js
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@@ -1,473 +0,0 @@
-// Copyright 2011 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-
-/**
- * @fileoverview Supplies 3 element vectors that are compatible with WebGL.
- * Each element is a float32 since that is typically the desired size of a
- * 3-vector in the GPU. The API is structured to avoid unnecessary memory
- * allocations. The last parameter will typically be the output vector and
- * an object can be both an input and output parameter to all methods except
- * where noted.
- *
- */
-goog.provide('goog.vec.Vec3');
-
-goog.require('goog.vec');
-
-/** @typedef {goog.vec.Float32} */ goog.vec.Vec3.Float32;
-/** @typedef {goog.vec.Float64} */ goog.vec.Vec3.Float64;
-/** @typedef {goog.vec.Number} */ goog.vec.Vec3.Number;
-/** @typedef {goog.vec.AnyType} */ goog.vec.Vec3.AnyType;
-
-// The following two types are deprecated - use the above types instead.
-/** @typedef {Float32Array} */ goog.vec.Vec3.Type;
-/** @typedef {goog.vec.ArrayType} */ goog.vec.Vec3.Vec3Like;
-
-
-/**
- * Creates a 3 element vector of Float32. The array is initialized to zero.
- *
- * @return {!goog.vec.Vec3.Float32} The new 3 element array.
- */
-goog.vec.Vec3.createFloat32 = function() {
- return new Float32Array(3);
-};
-
-
-/**
- * Creates a 3 element vector of Float64. The array is initialized to zero.
- *
- * @return {!goog.vec.Vec3.Float64} The new 3 element array.
- */
-goog.vec.Vec3.createFloat64 = function() {
- return new Float64Array(3);
-};
-
-
-/**
- * Creates a 3 element vector of Number. The array is initialized to zero.
- *
- * @return {!goog.vec.Vec3.Number} The new 3 element array.
- */
-goog.vec.Vec3.createNumber = function() {
- var a = new Array(3);
- goog.vec.Vec3.setFromValues(a, 0, 0, 0);
- return a;
-};
-
-
-/**
- * Creates a 3 element vector of Float32Array. The array is initialized to zero.
- *
- * @deprecated Use createFloat32.
- * @return {!goog.vec.Vec3.Type} The new 3 element array.
- */
-goog.vec.Vec3.create = function() {
- return new Float32Array(3);
-};
-
-
-/**
- * Creates a new 3 element FLoat32 vector initialized with the value from the
- * given array.
- *
- * @param {goog.vec.Vec3.AnyType} vec The source 3 element array.
- * @return {!goog.vec.Vec3.Float32} The new 3 element array.
- */
-goog.vec.Vec3.createFloat32FromArray = function(vec) {
- var newVec = goog.vec.Vec3.createFloat32();
- goog.vec.Vec3.setFromArray(newVec, vec);
- return newVec;
-};
-
-
-/**
- * Creates a new 3 element Float32 vector initialized with the supplied values.
- *
- * @param {number} v0 The value for element at index 0.
- * @param {number} v1 The value for element at index 1.
- * @param {number} v2 The value for element at index 2.
- * @return {!goog.vec.Vec3.Float32} The new vector.
- */
-goog.vec.Vec3.createFloat32FromValues = function(v0, v1, v2) {
- var a = goog.vec.Vec3.createFloat32();
- goog.vec.Vec3.setFromValues(a, v0, v1, v2);
- return a;
-};
-
-
-/**
- * Creates a clone of the given 3 element Float32 vector.
- *
- * @param {goog.vec.Vec3.Float32} vec The source 3 element vector.
- * @return {!goog.vec.Vec3.Float32} The new cloned vector.
- */
-goog.vec.Vec3.cloneFloat32 = goog.vec.Vec3.createFloat32FromArray;
-
-
-/**
- * Creates a new 3 element Float64 vector initialized with the value from the
- * given array.
- *
- * @param {goog.vec.Vec3.AnyType} vec The source 3 element array.
- * @return {!goog.vec.Vec3.Float64} The new 3 element array.
- */
-goog.vec.Vec3.createFloat64FromArray = function(vec) {
- var newVec = goog.vec.Vec3.createFloat64();
- goog.vec.Vec3.setFromArray(newVec, vec);
- return newVec;
-};
-
-
-/**
-* Creates a new 3 element Float64 vector initialized with the supplied values.
-*
-* @param {number} v0 The value for element at index 0.
-* @param {number} v1 The value for element at index 1.
-* @param {number} v2 The value for element at index 2.
-* @return {!goog.vec.Vec3.Float64} The new vector.
-*/
-goog.vec.Vec3.createFloat64FromValues = function(v0, v1, v2) {
- var vec = goog.vec.Vec3.createFloat64();
- goog.vec.Vec3.setFromValues(vec, v0, v1, v2);
- return vec;
-};
-
-
-/**
- * Creates a clone of the given 3 element vector.
- *
- * @param {goog.vec.Vec3.Float64} vec The source 3 element vector.
- * @return {!goog.vec.Vec3.Float64} The new cloned vector.
- */
-goog.vec.Vec3.cloneFloat64 = goog.vec.Vec3.createFloat64FromArray;
-
-
-/**
- * Creates a new 3 element vector initialized with the value from the given
- * array.
- *
- * @deprecated Use createFloat32FromArray.
- * @param {goog.vec.Vec3.Vec3Like} vec The source 3 element array.
- * @return {!goog.vec.Vec3.Type} The new 3 element array.
- */
-goog.vec.Vec3.createFromArray = function(vec) {
- var newVec = goog.vec.Vec3.create();
- goog.vec.Vec3.setFromArray(newVec, vec);
- return newVec;
-};
-
-
-/**
- * Creates a new 3 element vector initialized with the supplied values.
- *
- * @deprecated Use createFloat32FromValues.
- * @param {number} v0 The value for element at index 0.
- * @param {number} v1 The value for element at index 1.
- * @param {number} v2 The value for element at index 2.
- * @return {!goog.vec.Vec3.Type} The new vector.
- */
-goog.vec.Vec3.createFromValues = function(v0, v1, v2) {
- var vec = goog.vec.Vec3.create();
- goog.vec.Vec3.setFromValues(vec, v0, v1, v2);
- return vec;
-};
-
-
-/**
- * Creates a clone of the given 3 element vector.
- *
- * @deprecated Use cloneFloat32.
- * @param {goog.vec.Vec3.Vec3Like} vec The source 3 element vector.
- * @return {!goog.vec.Vec3.Type} The new cloned vector.
- */
-goog.vec.Vec3.clone = function(vec) {
- var newVec = goog.vec.Vec3.create();
- goog.vec.Vec3.setFromArray(newVec, vec);
- return newVec;
-};
-
-
-/**
- * Initializes the vector with the given values.
- *
- * @param {goog.vec.Vec3.AnyType} vec The vector to receive the values.
- * @param {number} v0 The value for element at index 0.
- * @param {number} v1 The value for element at index 1.
- * @param {number} v2 The value for element at index 2.
- * @return {!goog.vec.Vec3.AnyType} return vec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.setFromValues = function(vec, v0, v1, v2) {
- vec[0] = v0;
- vec[1] = v1;
- vec[2] = v2;
- return vec;
-};
-
-
-/**
- * Initializes the vector with the given array of values.
- *
- * @param {goog.vec.Vec3.AnyType} vec The vector to receive the
- * values.
- * @param {goog.vec.Vec3.AnyType} values The array of values.
- * @return {!goog.vec.Vec3.AnyType} return vec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.setFromArray = function(vec, values) {
- vec[0] = values[0];
- vec[1] = values[1];
- vec[2] = values[2];
- return vec;
-};
-
-
-/**
- * Performs a component-wise addition of vec0 and vec1 together storing the
- * result into resultVec.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 The first addend.
- * @param {goog.vec.Vec3.AnyType} vec1 The second addend.
- * @param {goog.vec.Vec3.AnyType} resultVec The vector to
- * receive the result. May be vec0 or vec1.
- * @return {!goog.vec.Vec3.AnyType} return resultVec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.add = function(vec0, vec1, resultVec) {
- resultVec[0] = vec0[0] + vec1[0];
- resultVec[1] = vec0[1] + vec1[1];
- resultVec[2] = vec0[2] + vec1[2];
- return resultVec;
-};
-
-
-/**
- * Performs a component-wise subtraction of vec1 from vec0 storing the
- * result into resultVec.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 The minuend.
- * @param {goog.vec.Vec3.AnyType} vec1 The subtrahend.
- * @param {goog.vec.Vec3.AnyType} resultVec The vector to
- * receive the result. May be vec0 or vec1.
- * @return {!goog.vec.Vec3.AnyType} return resultVec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.subtract = function(vec0, vec1, resultVec) {
- resultVec[0] = vec0[0] - vec1[0];
- resultVec[1] = vec0[1] - vec1[1];
- resultVec[2] = vec0[2] - vec1[2];
- return resultVec;
-};
-
-
-/**
- * Negates vec0, storing the result into resultVec.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 The vector to negate.
- * @param {goog.vec.Vec3.AnyType} resultVec The vector to
- * receive the result. May be vec0.
- * @return {!goog.vec.Vec3.AnyType} return resultVec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.negate = function(vec0, resultVec) {
- resultVec[0] = -vec0[0];
- resultVec[1] = -vec0[1];
- resultVec[2] = -vec0[2];
- return resultVec;
-};
-
-
-/**
- * Multiplies each component of vec0 with scalar storing the product into
- * resultVec.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 The source vector.
- * @param {number} scalar The value to multiply with each component of vec0.
- * @param {goog.vec.Vec3.AnyType} resultVec The vector to
- * receive the result. May be vec0.
- * @return {!goog.vec.Vec3.AnyType} return resultVec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.scale = function(vec0, scalar, resultVec) {
- resultVec[0] = vec0[0] * scalar;
- resultVec[1] = vec0[1] * scalar;
- resultVec[2] = vec0[2] * scalar;
- return resultVec;
-};
-
-
-/**
- * Returns the magnitudeSquared of the given vector.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 The vector.
- * @return {number} The magnitude of the vector.
- */
-goog.vec.Vec3.magnitudeSquared = function(vec0) {
- var x = vec0[0], y = vec0[1], z = vec0[2];
- return x * x + y * y + z * z;
-};
-
-
-/**
- * Returns the magnitude of the given vector.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 The vector.
- * @return {number} The magnitude of the vector.
- */
-goog.vec.Vec3.magnitude = function(vec0) {
- var x = vec0[0], y = vec0[1], z = vec0[2];
- return Math.sqrt(x * x + y * y + z * z);
-};
-
-
-/**
- * Normalizes the given vector storing the result into resultVec.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 The vector to normalize.
- * @param {goog.vec.Vec3.AnyType} resultVec The vector to
- * receive the result. May be vec0.
- * @return {!goog.vec.Vec3.AnyType} return resultVec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.normalize = function(vec0, resultVec) {
- var ilen = 1 / goog.vec.Vec3.magnitude(vec0);
- resultVec[0] = vec0[0] * ilen;
- resultVec[1] = vec0[1] * ilen;
- resultVec[2] = vec0[2] * ilen;
- return resultVec;
-};
-
-
-/**
- * Returns the scalar product of vectors v0 and v1.
- *
- * @param {goog.vec.Vec3.AnyType} v0 The first vector.
- * @param {goog.vec.Vec3.AnyType} v1 The second vector.
- * @return {number} The scalar product.
- */
-goog.vec.Vec3.dot = function(v0, v1) {
- return v0[0] * v1[0] + v0[1] * v1[1] + v0[2] * v1[2];
-};
-
-
-/**
- * Computes the vector (cross) product of v0 and v1 storing the result into
- * resultVec.
- *
- * @param {goog.vec.Vec3.AnyType} v0 The first vector.
- * @param {goog.vec.Vec3.AnyType} v1 The second vector.
- * @param {goog.vec.Vec3.AnyType} resultVec The vector to receive the
- * results. May be either v0 or v1.
- * @return {!goog.vec.Vec3.AnyType} return resultVec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.cross = function(v0, v1, resultVec) {
- var x0 = v0[0], y0 = v0[1], z0 = v0[2];
- var x1 = v1[0], y1 = v1[1], z1 = v1[2];
- resultVec[0] = y0 * z1 - z0 * y1;
- resultVec[1] = z0 * x1 - x0 * z1;
- resultVec[2] = x0 * y1 - y0 * x1;
- return resultVec;
-};
-
-
-/**
- * Returns the squared distance between two points.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 First point.
- * @param {goog.vec.Vec3.AnyType} vec1 Second point.
- * @return {number} The squared distance between the points.
- */
-goog.vec.Vec3.distanceSquared = function(vec0, vec1) {
- var x = vec0[0] - vec1[0];
- var y = vec0[1] - vec1[1];
- var z = vec0[2] - vec1[2];
- return x * x + y * y + z * z;
-};
-
-
-/**
- * Returns the distance between two points.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 First point.
- * @param {goog.vec.Vec3.AnyType} vec1 Second point.
- * @return {number} The distance between the points.
- */
-goog.vec.Vec3.distance = function(vec0, vec1) {
- return Math.sqrt(goog.vec.Vec3.distanceSquared(vec0, vec1));
-};
-
-
-/**
- * Returns a unit vector pointing from one point to another.
- * If the input points are equal then the result will be all zeros.
- *
- * @param {goog.vec.Vec3.AnyType} vec0 Origin point.
- * @param {goog.vec.Vec3.AnyType} vec1 Target point.
- * @param {goog.vec.Vec3.AnyType} resultVec The vector to receive the
- * results (may be vec0 or vec1).
- * @return {!goog.vec.Vec3.AnyType} return resultVec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.direction = function(vec0, vec1, resultVec) {
- var x = vec1[0] - vec0[0];
- var y = vec1[1] - vec0[1];
- var z = vec1[2] - vec0[2];
- var d = Math.sqrt(x * x + y * y + z * z);
- if (d) {
- d = 1 / d;
- resultVec[0] = x * d;
- resultVec[1] = y * d;
- resultVec[2] = z * d;
- } else {
- resultVec[0] = resultVec[1] = resultVec[2] = 0;
- }
- return resultVec;
-};
-
-
-/**
- * Linearly interpolate from vec0 to v1 according to f. The value of f should be
- * in the range [0..1] otherwise the results are undefined.
- *
- * @param {goog.vec.Vec3.AnyType} v0 The first vector.
- * @param {goog.vec.Vec3.AnyType} v1 The second vector.
- * @param {number} f The interpolation factor.
- * @param {goog.vec.Vec3.AnyType} resultVec The vector to receive the
- * results (may be v0 or v1).
- * @return {!goog.vec.Vec3.AnyType} return resultVec so that operations can be
- * chained together.
- */
-goog.vec.Vec3.lerp = function(v0, v1, f, resultVec) {
- var x = v0[0], y = v0[1], z = v0[2];
- resultVec[0] = (v1[0] - x) * f + x;
- resultVec[1] = (v1[1] - y) * f + y;
- resultVec[2] = (v1[2] - z) * f + z;
- return resultVec;
-};
-
-
-/**
- * Returns true if the components of v0 are equal to the components of v1.
- *
- * @param {goog.vec.Vec3.AnyType} v0 The first vector.
- * @param {goog.vec.Vec3.AnyType} v1 The second vector.
- * @return {boolean} True if the vectors are equal, false otherwise.
- */
-goog.vec.Vec3.equals = function(v0, v1) {
- return v0.length == v1.length &&
- v0[0] == v1[0] && v0[1] == v1[1] && v0[2] == v1[2];
-};