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Unified Diff: tools/cc-frame-viewer/third_party/gl-matrix/src/gl-matrix/mat3.js

Issue 15736032: Remove old cc-frame-viewer now that it is upstreamed into trace_viewer (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 7 months ago
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Index: tools/cc-frame-viewer/third_party/gl-matrix/src/gl-matrix/mat3.js
diff --git a/tools/cc-frame-viewer/third_party/gl-matrix/src/gl-matrix/mat3.js b/tools/cc-frame-viewer/third_party/gl-matrix/src/gl-matrix/mat3.js
deleted file mode 100644
index a504f6e9b56c1a313064e2d7e7b68b53eece4537..0000000000000000000000000000000000000000
--- a/tools/cc-frame-viewer/third_party/gl-matrix/src/gl-matrix/mat3.js
+++ /dev/null
@@ -1,429 +0,0 @@
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 3x3 Matrix
- * @name mat3
- */
-var mat3 = {};
-
-/**
- * Creates a new identity mat3
- *
- * @returns {mat3} a new 3x3 matrix
- */
-mat3.create = function() {
- var out = new GLMAT_ARRAY_TYPE(9);
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 1;
- out[5] = 0;
- out[6] = 0;
- out[7] = 0;
- out[8] = 1;
- return out;
-};
-
-/**
- * Copies the upper-left 3x3 values into the given mat3.
- *
- * @param {mat3} out the receiving 3x3 matrix
- * @param {mat4} a the source 4x4 matrix
- * @returns {mat3} out
- */
-mat3.fromMat4 = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[4];
- out[4] = a[5];
- out[5] = a[6];
- out[6] = a[8];
- out[7] = a[9];
- out[8] = a[10];
- return out;
-};
-
-/**
- * Creates a new mat3 initialized with values from an existing matrix
- *
- * @param {mat3} a matrix to clone
- * @returns {mat3} a new 3x3 matrix
- */
-mat3.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(9);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- return out;
-};
-
-/**
- * Copy the values from one mat3 to another
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- return out;
-};
-
-/**
- * Set a mat3 to the identity matrix
- *
- * @param {mat3} out the receiving matrix
- * @returns {mat3} out
- */
-mat3.identity = function(out) {
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 1;
- out[5] = 0;
- out[6] = 0;
- out[7] = 0;
- out[8] = 1;
- return out;
-};
-
-/**
- * Transpose the values of a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.transpose = function(out, a) {
- // If we are transposing ourselves we can skip a few steps but have to cache some values
- if (out === a) {
- var a01 = a[1], a02 = a[2], a12 = a[5];
- out[1] = a[3];
- out[2] = a[6];
- out[3] = a01;
- out[5] = a[7];
- out[6] = a02;
- out[7] = a12;
- } else {
- out[0] = a[0];
- out[1] = a[3];
- out[2] = a[6];
- out[3] = a[1];
- out[4] = a[4];
- out[5] = a[7];
- out[6] = a[2];
- out[7] = a[5];
- out[8] = a[8];
- }
-
- return out;
-};
-
-/**
- * Inverts a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.invert = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
-
- b01 = a22 * a11 - a12 * a21,
- b11 = -a22 * a10 + a12 * a20,
- b21 = a21 * a10 - a11 * a20,
-
- // Calculate the determinant
- det = a00 * b01 + a01 * b11 + a02 * b21;
-
- if (!det) {
- return null;
- }
- det = 1.0 / det;
-
- out[0] = b01 * det;
- out[1] = (-a22 * a01 + a02 * a21) * det;
- out[2] = (a12 * a01 - a02 * a11) * det;
- out[3] = b11 * det;
- out[4] = (a22 * a00 - a02 * a20) * det;
- out[5] = (-a12 * a00 + a02 * a10) * det;
- out[6] = b21 * det;
- out[7] = (-a21 * a00 + a01 * a20) * det;
- out[8] = (a11 * a00 - a01 * a10) * det;
- return out;
-};
-
-/**
- * Calculates the adjugate of a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.adjoint = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8];
-
- out[0] = (a11 * a22 - a12 * a21);
- out[1] = (a02 * a21 - a01 * a22);
- out[2] = (a01 * a12 - a02 * a11);
- out[3] = (a12 * a20 - a10 * a22);
- out[4] = (a00 * a22 - a02 * a20);
- out[5] = (a02 * a10 - a00 * a12);
- out[6] = (a10 * a21 - a11 * a20);
- out[7] = (a01 * a20 - a00 * a21);
- out[8] = (a00 * a11 - a01 * a10);
- return out;
-};
-
-/**
- * Calculates the determinant of a mat3
- *
- * @param {mat3} a the source matrix
- * @returns {Number} determinant of a
- */
-mat3.determinant = function (a) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8];
-
- return a00 * (a22 * a11 - a12 * a21) + a01 * (-a22 * a10 + a12 * a20) + a02 * (a21 * a10 - a11 * a20);
-};
-
-/**
- * Multiplies two mat3's
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the first operand
- * @param {mat3} b the second operand
- * @returns {mat3} out
- */
-mat3.multiply = function (out, a, b) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
-
- b00 = b[0], b01 = b[1], b02 = b[2],
- b10 = b[3], b11 = b[4], b12 = b[5],
- b20 = b[6], b21 = b[7], b22 = b[8];
-
- out[0] = b00 * a00 + b01 * a10 + b02 * a20;
- out[1] = b00 * a01 + b01 * a11 + b02 * a21;
- out[2] = b00 * a02 + b01 * a12 + b02 * a22;
-
- out[3] = b10 * a00 + b11 * a10 + b12 * a20;
- out[4] = b10 * a01 + b11 * a11 + b12 * a21;
- out[5] = b10 * a02 + b11 * a12 + b12 * a22;
-
- out[6] = b20 * a00 + b21 * a10 + b22 * a20;
- out[7] = b20 * a01 + b21 * a11 + b22 * a21;
- out[8] = b20 * a02 + b21 * a12 + b22 * a22;
- return out;
-};
-
-/**
- * Alias for {@link mat3.multiply}
- * @function
- */
-mat3.mul = mat3.multiply;
-
-/**
- * Translate a mat3 by the given vector
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to translate
- * @param {vec2} v vector to translate by
- * @returns {mat3} out
- */
-mat3.translate = function(out, a, v) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
- x = v[0], y = v[1];
-
- out[0] = a00;
- out[1] = a01;
- out[2] = a02;
-
- out[3] = a10;
- out[4] = a11;
- out[5] = a12;
-
- out[6] = x * a00 + y * a10 + a20;
- out[7] = x * a01 + y * a11 + a21;
- out[8] = x * a02 + y * a12 + a22;
- return out;
-};
-
-/**
- * Rotates a mat3 by the given angle
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat3} out
- */
-mat3.rotate = function (out, a, rad) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
-
- s = Math.sin(rad),
- c = Math.cos(rad);
-
- out[0] = c * a00 + s * a10;
- out[1] = c * a01 + s * a11;
- out[2] = c * a02 + s * a12;
-
- out[3] = c * a10 - s * a00;
- out[4] = c * a11 - s * a01;
- out[5] = c * a12 - s * a02;
-
- out[6] = a20;
- out[7] = a21;
- out[8] = a22;
- return out;
-};
-
-/**
- * Scales the mat3 by the dimensions in the given vec2
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {vec2} v the vec2 to scale the matrix by
- * @returns {mat3} out
- **/
-mat3.scale = function(out, a, v) {
- var x = v[0], y = v[2];
-
- out[0] = x * a[0];
- out[1] = x * a[1];
- out[2] = x * a[2];
-
- out[3] = y * a[3];
- out[4] = y * a[4];
- out[5] = y * a[5];
-
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- return out;
-};
-
-/**
- * Copies the values from a mat2d into a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {vec2} v the vec2 to scale the matrix by
- * @returns {mat3} out
- **/
-mat3.fromMat2d = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = 0;
-
- out[3] = a[2];
- out[4] = a[3];
- out[5] = 0;
-
- out[6] = a[4];
- out[7] = a[5];
- out[8] = 1;
- return out;
-};
-
-/**
-* Calculates a 3x3 matrix from the given quaternion
-*
-* @param {mat3} out mat3 receiving operation result
-* @param {quat} q Quaternion to create matrix from
-*
-* @returns {mat3} out
-*/
-mat3.fromQuat = function (out, q) {
- var x = q[0], y = q[1], z = q[2], w = q[3],
- x2 = x + x,
- y2 = y + y,
- z2 = z + z,
-
- xx = x * x2,
- xy = x * y2,
- xz = x * z2,
- yy = y * y2,
- yz = y * z2,
- zz = z * z2,
- wx = w * x2,
- wy = w * y2,
- wz = w * z2;
-
- out[0] = 1 - (yy + zz);
- out[1] = xy + wz;
- out[2] = xz - wy;
-
- out[3] = xy - wz;
- out[4] = 1 - (xx + zz);
- out[5] = yz + wx;
-
- out[6] = xz + wy;
- out[7] = yz - wx;
- out[8] = 1 - (xx + yy);
-
- return out;
-};
-
-/**
- * Returns a string representation of a mat3
- *
- * @param {mat3} mat matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat3.str = function (a) {
- return 'mat3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' +
- a[3] + ', ' + a[4] + ', ' + a[5] + ', ' +
- a[6] + ', ' + a[7] + ', ' + a[8] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.mat3 = mat3;
-}

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