/** * @fileoverview TSM - A TypeScript vector and matrix math library * @author Matthias Ferch * @version 0.6 */ /* * Copyright (c) 2012 Matthias Ferch * * Project homepage: https://github.com/matthiasferch/tsm * * This software is provided 'as-is', without any express or implied * warranty. In no event will the authors be held liable for any damages * arising from the use of this software. * * Permission is granted to anyone to use this software for any purpose, * including commercial applications, and to alter it and redistribute it * freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you must not * claim that you wrote the original software. If you use this software * in a product, an acknowledgment in the product documentation would be * appreciated but is not required. * * 2. Altered source versions must be plainly marked as such, and must not * be misrepresented as being the original software. * * 3. This notice may not be removed or altered from any source * distribution. */ /// var TSM; (function (TSM) { var mat4 = (function () { function mat4(values) { if (values === void 0) { values = null = null; } this.values = new Float32Array(16); if (values) { this.init(values); } } mat4.frustum = function (left, right, bottom, top, near, far) { var rl = (right - left), tb = (top - bottom), fn = (far - near); return new mat4([ (near * 2) / rl, 0, 0, 0, 0, (near * 2) / tb, 0, 0, (right + left) / rl, (top + bottom) / tb, -(far + near) / fn, -1, 0, 0, -(far * near * 2) / fn, 0 ]); }; mat4.perspective = function (fov, aspect, near, far) { var top = near * Math.tan(fov * Math.PI / 360.0), right = top * aspect; return mat4.frustum(-right, right, -top, top, near, far); }; mat4.orthographic = function (left, right, bottom, top, near, far) { var rl = (right - left), tb = (top - bottom), fn = (far - near); return new mat4([ 2 / rl, 0, 0, 0, 0, 2 / tb, 0, 0, 0, 0, -2 / fn, 0, -(left + right) / rl, -(top + bottom) / tb, -(far + near) / fn, 1 ]); }; mat4.lookAt = function (position, target, up) { if (up === void 0) { up = TSM.vec3.up; } if (position.equals(target)) { return this.identity; } var z = TSM.vec3.difference(position, target).normalize(); var x = TSM.vec3.cross(up, z).normalize(); var y = TSM.vec3.cross(z, x).normalize(); return new mat4([ x.x, y.x, z.x, 0, x.y, y.y, z.y, 0, x.z, y.z, z.z, 0, -TSM.vec3.dot(x, position), -TSM.vec3.dot(y, position), -TSM.vec3.dot(z, position), 1 ]); }; mat4.product = function (m1, m2, result) { if (result === void 0) { result = null = null; } var a00 = m1.at(0), a01 = m1.at(1), a02 = m1.at(2), a03 = m1.at(3), a10 = m1.at(4), a11 = m1.at(5), a12 = m1.at(6), a13 = m1.at(7), a20 = m1.at(8), a21 = m1.at(9), a22 = m1.at(10), a23 = m1.at(11), a30 = m1.at(12), a31 = m1.at(13), a32 = m1.at(14), a33 = m1.at(15); var b00 = m2.at(0), b01 = m2.at(1), b02 = m2.at(2), b03 = m2.at(3), b10 = m2.at(4), b11 = m2.at(5), b12 = m2.at(6), b13 = m2.at(7), b20 = m2.at(8), b21 = m2.at(9), b22 = m2.at(10), b23 = m2.at(11), b30 = m2.at(12), b31 = m2.at(13), b32 = m2.at(14), b33 = m2.at(15); if (result) { result.init([ b00 * a00 + b01 * a10 + b02 * a20 + b03 * a30, b00 * a01 + b01 * a11 + b02 * a21 + b03 * a31, b00 * a02 + b01 * a12 + b02 * a22 + b03 * a32, b00 * a03 + b01 * a13 + b02 * a23 + b03 * a33, b10 * a00 + b11 * a10 + b12 * a20 + b13 * a30, b10 * a01 + b11 * a11 + b12 * a21 + b13 * a31, b10 * a02 + b11 * a12 + b12 * a22 + b13 * a32, b10 * a03 + b11 * a13 + b12 * a23 + b13 * a33, b20 * a00 + b21 * a10 + b22 * a20 + b23 * a30, b20 * a01 + b21 * a11 + b22 * a21 + b23 * a31, b20 * a02 + b21 * a12 + b22 * a22 + b23 * a32, b20 * a03 + b21 * a13 + b22 * a23 + b23 * a33, b30 * a00 + b31 * a10 + b32 * a20 + b33 * a30, b30 * a01 + b31 * a11 + b32 * a21 + b33 * a31, b30 * a02 + b31 * a12 + b32 * a22 + b33 * a32, b30 * a03 + b31 * a13 + b32 * a23 + b33 * a33 ]); return result; } else { return new mat4([ b00 * a00 + b01 * a10 + b02 * a20 + b03 * a30, b00 * a01 + b01 * a11 + b02 * a21 + b03 * a31, b00 * a02 + b01 * a12 + b02 * a22 + b03 * a32, b00 * a03 + b01 * a13 + b02 * a23 + b03 * a33, b10 * a00 + b11 * a10 + b12 * a20 + b13 * a30, b10 * a01 + b11 * a11 + b12 * a21 + b13 * a31, b10 * a02 + b11 * a12 + b12 * a22 + b13 * a32, b10 * a03 + b11 * a13 + b12 * a23 + b13 * a33, b20 * a00 + b21 * a10 + b22 * a20 + b23 * a30, b20 * a01 + b21 * a11 + b22 * a21 + b23 * a31, b20 * a02 + b21 * a12 + b22 * a22 + b23 * a32, b20 * a03 + b21 * a13 + b22 * a23 + b23 * a33, b30 * a00 + b31 * a10 + b32 * a20 + b33 * a30, b30 * a01 + b31 * a11 + b32 * a21 + b33 * a31, b30 * a02 + b31 * a12 + b32 * a22 + b33 * a32, b30 * a03 + b31 * a13 + b32 * a23 + b33 * a33 ]); } }; mat4.prototype.at = function (index) { return this.values[index]; }; mat4.prototype.init = function (values) { for (var i = 0; i < 16; i++) { this.values[i] = values[i]; } return this; }; mat4.prototype.reset = function () { for (var i = 0; i < 16; i++) { this.values[i] = 0; } }; mat4.prototype.copy = function (dest) { if (dest === void 0) { dest = null = null; } if (!dest) { dest = new mat4(); } for (var i = 0; i < 16; i++) { dest.values[i] = this.values[i]; } return dest; }; mat4.prototype.all = function () { var data = []; for (var i = 0; i < 16; i++) { data[i] = this.values[i]; } return data; }; mat4.prototype.row = function (index) { return [ this.values[index * 4 + 0], this.values[index * 4 + 1], this.values[index * 4 + 2], this.values[index * 4 + 3] ]; }; mat4.prototype.col = function (index) { return [ this.values[index], this.values[index + 4], this.values[index + 8], this.values[index + 12] ]; }; mat4.prototype.equals = function (matrix, threshold) { if (threshold === void 0) { threshold = EPSILON; } for (var i = 0; i < 16; i++) { if (Math.abs(this.values[i] - matrix.at(i)) > threshold) { return false; } } return true; }; mat4.prototype.determinant = function () { var a00 = this.values[0], a01 = this.values[1], a02 = this.values[2], a03 = this.values[3], a10 = this.values[4], a11 = this.values[5], a12 = this.values[6], a13 = this.values[7], a20 = this.values[8], a21 = this.values[9], a22 = this.values[10], a23 = this.values[11], a30 = this.values[12], a31 = this.values[13], a32 = this.values[14], a33 = this.values[15]; var det00 = a00 * a11 - a01 * a10, det01 = a00 * a12 - a02 * a10, det02 = a00 * a13 - a03 * a10, det03 = a01 * a12 - a02 * a11, det04 = a01 * a13 - a03 * a11, det05 = a02 * a13 - a03 * a12, det06 = a20 * a31 - a21 * a30, det07 = a20 * a32 - a22 * a30, det08 = a20 * a33 - a23 * a30, det09 = a21 * a32 - a22 * a31, det10 = a21 * a33 - a23 * a31, det11 = a22 * a33 - a23 * a32; return (det00 * det11 - det01 * det10 + det02 * det09 + det03 * det08 - det04 * det07 + det05 * det06); }; mat4.prototype.setIdentity = function () { this.values[0] = 1; this.values[1] = 0; this.values[2] = 0; this.values[3] = 0; this.values[4] = 0; this.values[5] = 1; this.values[6] = 0; this.values[7] = 0; this.values[8] = 0; this.values[9] = 0; this.values[10] = 1; this.values[11] = 0; this.values[12] = 0; this.values[13] = 0; this.values[14] = 0; this.values[15] = 1; return this; }; mat4.prototype.transpose = ; mat4.identity = new mat4().setIdentity(); return mat4; })(); TSM.mat4 = mat4; { var temp01 = this.values[1], temp02 = this.values[2], temp03 = this.values[3], temp12 = this.values[6], temp13 = this.values[7], temp23 = this.values[11]; this.values[1] = this.values[4]; this.values[2] = this.values[8]; this.values[3] = this.values[12]; this.values[4] = temp01; this.values[6] = this.values[9]; this.values[7] = this.values[13]; this.values[8] = temp02; this.values[9] = temp12; this.values[11] = this.values[14]; this.values[12] = temp03; this.values[13] = temp13; this.values[14] = temp23; return this; } inverse(); mat4 | null; { var a00 = this.values[0], a01 = this.values[1], a02 = this.values[2], a03 = this.values[3], a10 = this.values[4], a11 = this.values[5], a12 = this.values[6], a13 = this.values[7], a20 = this.values[8], a21 = this.values[9], a22 = this.values[10], a23 = this.values[11], a30 = this.values[12], a31 = this.values[13], a32 = this.values[14], a33 = this.values[15]; var det00 = a00 * a11 - a01 * a10, det01 = a00 * a12 - a02 * a10, det02 = a00 * a13 - a03 * a10, det03 = a01 * a12 - a02 * a11, det04 = a01 * a13 - a03 * a11, det05 = a02 * a13 - a03 * a12, det06 = a20 * a31 - a21 * a30, det07 = a20 * a32 - a22 * a30, det08 = a20 * a33 - a23 * a30, det09 = a21 * a32 - a22 * a31, det10 = a21 * a33 - a23 * a31, det11 = a22 * a33 - a23 * a32; var det = (det00 * det11 - det01 * det10 + det02 * det09 + det03 * det08 - det04 * det07 + det05 * det06); if (!det) { return null; } det = 1.0 / det; this.values[0] = (a11 * det11 - a12 * det10 + a13 * det09) * det; this.values[1] = (-a01 * det11 + a02 * det10 - a03 * det09) * det; this.values[2] = (a31 * det05 - a32 * det04 + a33 * det03) * det; this.values[3] = (-a21 * det05 + a22 * det04 - a23 * det03) * det; this.values[4] = (-a10 * det11 + a12 * det08 - a13 * det07) * det; this.values[5] = (a00 * det11 - a02 * det08 + a03 * det07) * det; this.values[6] = (-a30 * det05 + a32 * det02 - a33 * det01) * det; this.values[7] = (a20 * det05 - a22 * det02 + a23 * det01) * det; this.values[8] = (a10 * det10 - a11 * det08 + a13 * det06) * det; this.values[9] = (-a00 * det10 + a01 * det08 - a03 * det06) * det; this.values[10] = (a30 * det04 - a31 * det02 + a33 * det00) * det; this.values[11] = (-a20 * det04 + a21 * det02 - a23 * det00) * det; this.values[12] = (-a10 * det09 + a11 * det07 - a12 * det06) * det; this.values[13] = (a00 * det09 - a01 * det07 + a02 * det06) * det; this.values[14] = (-a30 * det03 + a31 * det01 - a32 * det00) * det; this.values[15] = (a20 * det03 - a21 * det01 + a22 * det00) * det; return this; } multiply(matrix, mat4); mat4; { var a00 = this.values[0], a01 = this.values[1], a02 = this.values[2], a03 = this.values[3]; var a10 = this.values[4], a11 = this.values[5], a12 = this.values[6], a13 = this.values[7]; var a20 = this.values[8], a21 = this.values[9], a22 = this.values[10], a23 = this.values[11]; var a30 = this.values[12], a31 = this.values[13], a32 = this.values[14], a33 = this.values[15]; var b0 = matrix.at(0), b1 = matrix.at(1), b2 = matrix.at(2), b3 = matrix.at(3); this.values[0] = b0 * a00 + b1 * a10 + b2 * a20 + b3 * a30; this.values[1] = b0 * a01 + b1 * a11 + b2 * a21 + b3 * a31; this.values[2] = b0 * a02 + b1 * a12 + b2 * a22 + b3 * a32; this.values[3] = b0 * a03 + b1 * a13 + b2 * a23 + b3 * a33; b0 = matrix.at(4); b1 = matrix.at(5); b2 = matrix.at(6); b3 = matrix.at(7); this.values[4] = b0 * a00 + b1 * a10 + b2 * a20 + b3 * a30; this.values[5] = b0 * a01 + b1 * a11 + b2 * a21 + b3 * a31; this.values[6] = b0 * a02 + b1 * a12 + b2 * a22 + b3 * a32; this.values[7] = b0 * a03 + b1 * a13 + b2 * a23 + b3 * a33; b0 = matrix.at(8); b1 = matrix.at(9); b2 = matrix.at(10); b3 = matrix.at(11); this.values[8] = b0 * a00 + b1 * a10 + b2 * a20 + b3 * a30; this.values[9] = b0 * a01 + b1 * a11 + b2 * a21 + b3 * a31; this.values[10] = b0 * a02 + b1 * a12 + b2 * a22 + b3 * a32; this.values[11] = b0 * a03 + b1 * a13 + b2 * a23 + b3 * a33; b0 = matrix.at(12); b1 = matrix.at(13); b2 = matrix.at(14); b3 = matrix.at(15); this.values[12] = b0 * a00 + b1 * a10 + b2 * a20 + b3 * a30; this.values[13] = b0 * a01 + b1 * a11 + b2 * a21 + b3 * a31; this.values[14] = b0 * a02 + b1 * a12 + b2 * a22 + b3 * a32; this.values[15] = b0 * a03 + b1 * a13 + b2 * a23 + b3 * a33; return this; } multiplyVec3(vector, TSM.vec3); TSM.vec3; { var x = vector.x, y = vector.y, z = vector.z; return new TSM.vec3([ this.values[0] * x + this.values[4] * y + this.values[8] * z + this.values[12], this.values[1] * x + this.values[5] * y + this.values[9] * z + this.values[13], this.values[2] * x + this.values[6] * y + this.values[10] * z + this.values[14] ]); } multiplyVec4(vector, TSM.vec4, dest, TSM.vec4 | null, null); TSM.vec4; { if (!dest) { dest = new TSM.vec4(); } var x = vector.x, y = vector.y, z = vector.z, w = vector.w; dest.x = this.values[0] * x + this.values[4] * y + this.values[8] * z + this.values[12] * w; dest.y = this.values[1] * x + this.values[5] * y + this.values[9] * z + this.values[13] * w; dest.z = this.values[2] * x + this.values[6] * y + this.values[10] * z + this.values[14] * w; dest.w = this.values[3] * x + this.values[7] * y + this.values[11] * z + this.values[15] * w; return dest; } toMat3(); TSM.mat3; { return new TSM.mat3([ this.values[0], this.values[1], this.values[2], this.values[4], this.values[5], this.values[6], this.values[8], this.values[9], this.values[10] ]); } toInverseMat3(); TSM.mat3 | null; { var a00 = this.values[0], a01 = this.values[1], a02 = this.values[2], a10 = this.values[4], a11 = this.values[5], a12 = this.values[6], a20 = this.values[8], a21 = this.values[9], a22 = this.values[10]; var det01 = a22 * a11 - a12 * a21, det11 = -a22 * a10 + a12 * a20, det21 = a21 * a10 - a11 * a20; var det = a00 * det01 + a01 * det11 + a02 * det21; if (!det) { return null; } det = 1.0 / det; return new TSM.mat3([ det01 * det, (-a22 * a01 + a02 * a21) * det, (a12 * a01 - a02 * a11) * det, det11 * det, (a22 * a00 - a02 * a20) * det, (-a12 * a00 + a02 * a10) * det, det21 * det, (-a21 * a00 + a01 * a20) * det, (a11 * a00 - a01 * a10) * det ]); } translate(vector, TSM.vec3); mat4; { var x = vector.x, y = vector.y, z = vector.z; this.values[12] += this.values[0] * x + this.values[4] * y + this.values[8] * z; this.values[13] += this.values[1] * x + this.values[5] * y + this.values[9] * z; this.values[14] += this.values[2] * x + this.values[6] * y + this.values[10] * z; this.values[15] += this.values[3] * x + this.values[7] * y + this.values[11] * z; return this; } scale(vector, TSM.vec3); mat4; { var x = vector.x, y = vector.y, z = vector.z; this.values[0] *= x; this.values[1] *= x; this.values[2] *= x; this.values[3] *= x; this.values[4] *= y; this.values[5] *= y; this.values[6] *= y; this.values[7] *= y; this.values[8] *= z; this.values[9] *= z; this.values[10] *= z; this.values[11] *= z; return this; } rotate(angle, number, axis, TSM.vec3); mat4 | null; { var x = axis.x, y = axis.y, z = axis.z; var length_1 = Math.sqrt(x * x + y * y + z * z); if (!length_1) { return null; } if (length_1 !== 1) { length_1 = 1 / length_1; x *= length_1; y *= length_1; z *= length_1; } var s = Math.sin(angle); var c = Math.cos(angle); var t = 1.0 - c; var a00 = this.values[0], a01 = this.values[1], a02 = this.values[2], a03 = this.values[3], a10 = this.values[4], a11 = this.values[5], a12 = this.values[6], a13 = this.values[7], a20 = this.values[8], a21 = this.values[9], a22 = this.values[10], a23 = this.values[11]; var b00 = x * x * t + c, b01 = y * x * t + z * s, b02 = z * x * t - y * s, b10 = x * y * t - z * s, b11 = y * y * t + c, b12 = z * y * t + x * s, b20 = x * z * t + y * s, b21 = y * z * t - x * s, b22 = z * z * t + c; this.values[0] = a00 * b00 + a10 * b01 + a20 * b02; this.values[1] = a01 * b00 + a11 * b01 + a21 * b02; this.values[2] = a02 * b00 + a12 * b01 + a22 * b02; this.values[3] = a03 * b00 + a13 * b01 + a23 * b02; this.values[4] = a00 * b10 + a10 * b11 + a20 * b12; this.values[5] = a01 * b10 + a11 * b11 + a21 * b12; this.values[6] = a02 * b10 + a12 * b11 + a22 * b12; this.values[7] = a03 * b10 + a13 * b11 + a23 * b12; this.values[8] = a00 * b20 + a10 * b21 + a20 * b22; this.values[9] = a01 * b20 + a11 * b21 + a21 * b22; this.values[10] = a02 * b20 + a12 * b21 + a22 * b22; this.values[11] = a03 * b20 + a13 * b21 + a23 * b22; return this; } })(TSM || (TSM = {}));