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@cesium/engine

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CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.

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/** * @license * Cesium - https://github.com/CesiumGS/cesium * Version 1.136.0 * * Copyright 2011-2022 Cesium Contributors * * 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. * * Columbus View (Pat. Pend.) * * Portions licensed separately. * See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details. */ import { RuntimeError_default } from "./chunk-5JKH4AMT.js"; import { Cartesian3_default, Frozen_default, Matrix3_default } from "./chunk-3YTMGEXW.js"; import { Math_default } from "./chunk-IL5F6WEE.js"; import { Check_default, DeveloperError_default } from "./chunk-QEANVUGT.js"; import { defined_default } from "./chunk-2RCIRXNI.js"; // packages/engine/Source/Core/Cartesian4.js function Cartesian4(x, y, z, w) { this.x = x ?? 0; this.y = y ?? 0; this.z = z ?? 0; this.w = w ?? 0; } Cartesian4.fromElements = function(x, y, z, w, result) { if (!defined_default(result)) { return new Cartesian4(x, y, z, w); } result.x = x; result.y = y; result.z = z; result.w = w; return result; }; Cartesian4.fromColor = function(color, result) { Check_default.typeOf.object("color", color); if (!defined_default(result)) { return new Cartesian4(color.red, color.green, color.blue, color.alpha); } result.x = color.red; result.y = color.green; result.z = color.blue; result.w = color.alpha; return result; }; Cartesian4.clone = function(cartesian, result) { if (!defined_default(cartesian)) { return void 0; } if (!defined_default(result)) { return new Cartesian4(cartesian.x, cartesian.y, cartesian.z, cartesian.w); } result.x = cartesian.x; result.y = cartesian.y; result.z = cartesian.z; result.w = cartesian.w; return result; }; Cartesian4.packedLength = 4; Cartesian4.pack = function(value, array, startingIndex) { Check_default.typeOf.object("value", value); Check_default.defined("array", array); startingIndex = startingIndex ?? 0; array[startingIndex++] = value.x; array[startingIndex++] = value.y; array[startingIndex++] = value.z; array[startingIndex] = value.w; return array; }; Cartesian4.unpack = function(array, startingIndex, result) { Check_default.defined("array", array); startingIndex = startingIndex ?? 0; if (!defined_default(result)) { result = new Cartesian4(); } result.x = array[startingIndex++]; result.y = array[startingIndex++]; result.z = array[startingIndex++]; result.w = array[startingIndex]; return result; }; Cartesian4.packArray = function(array, result) { Check_default.defined("array", array); const length = array.length; const resultLength = length * 4; if (!defined_default(result)) { result = new Array(resultLength); } else if (!Array.isArray(result) && result.length !== resultLength) { throw new DeveloperError_default( "If result is a typed array, it must have exactly array.length * 4 elements" ); } else if (result.length !== resultLength) { result.length = resultLength; } for (let i = 0; i < length; ++i) { Cartesian4.pack(array[i], result, i * 4); } return result; }; Cartesian4.unpackArray = function(array, result) { Check_default.defined("array", array); Check_default.typeOf.number.greaterThanOrEquals("array.length", array.length, 4); if (array.length % 4 !== 0) { throw new DeveloperError_default("array length must be a multiple of 4."); } const length = array.length; if (!defined_default(result)) { result = new Array(length / 4); } else { result.length = length / 4; } for (let i = 0; i < length; i += 4) { const index = i / 4; result[index] = Cartesian4.unpack(array, i, result[index]); } return result; }; Cartesian4.fromArray = Cartesian4.unpack; Cartesian4.maximumComponent = function(cartesian) { Check_default.typeOf.object("cartesian", cartesian); return Math.max(cartesian.x, cartesian.y, cartesian.z, cartesian.w); }; Cartesian4.minimumComponent = function(cartesian) { Check_default.typeOf.object("cartesian", cartesian); return Math.min(cartesian.x, cartesian.y, cartesian.z, cartesian.w); }; Cartesian4.minimumByComponent = function(first, second, result) { Check_default.typeOf.object("first", first); Check_default.typeOf.object("second", second); Check_default.typeOf.object("result", result); result.x = Math.min(first.x, second.x); result.y = Math.min(first.y, second.y); result.z = Math.min(first.z, second.z); result.w = Math.min(first.w, second.w); return result; }; Cartesian4.maximumByComponent = function(first, second, result) { Check_default.typeOf.object("first", first); Check_default.typeOf.object("second", second); Check_default.typeOf.object("result", result); result.x = Math.max(first.x, second.x); result.y = Math.max(first.y, second.y); result.z = Math.max(first.z, second.z); result.w = Math.max(first.w, second.w); return result; }; Cartesian4.clamp = function(value, min, max, result) { Check_default.typeOf.object("value", value); Check_default.typeOf.object("min", min); Check_default.typeOf.object("max", max); Check_default.typeOf.object("result", result); const x = Math_default.clamp(value.x, min.x, max.x); const y = Math_default.clamp(value.y, min.y, max.y); const z = Math_default.clamp(value.z, min.z, max.z); const w = Math_default.clamp(value.w, min.w, max.w); result.x = x; result.y = y; result.z = z; result.w = w; return result; }; Cartesian4.magnitudeSquared = function(cartesian) { Check_default.typeOf.object("cartesian", cartesian); return cartesian.x * cartesian.x + cartesian.y * cartesian.y + cartesian.z * cartesian.z + cartesian.w * cartesian.w; }; Cartesian4.magnitude = function(cartesian) { return Math.sqrt(Cartesian4.magnitudeSquared(cartesian)); }; var distanceScratch = new Cartesian4(); Cartesian4.distance = function(left, right) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Cartesian4.subtract(left, right, distanceScratch); return Cartesian4.magnitude(distanceScratch); }; Cartesian4.distanceSquared = function(left, right) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Cartesian4.subtract(left, right, distanceScratch); return Cartesian4.magnitudeSquared(distanceScratch); }; Cartesian4.normalize = function(cartesian, result) { Check_default.typeOf.object("cartesian", cartesian); Check_default.typeOf.object("result", result); const magnitude = Cartesian4.magnitude(cartesian); result.x = cartesian.x / magnitude; result.y = cartesian.y / magnitude; result.z = cartesian.z / magnitude; result.w = cartesian.w / magnitude; if (isNaN(result.x) || isNaN(result.y) || isNaN(result.z) || isNaN(result.w)) { throw new DeveloperError_default("normalized result is not a number"); } return result; }; Cartesian4.dot = function(left, right) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); return left.x * right.x + left.y * right.y + left.z * right.z + left.w * right.w; }; Cartesian4.multiplyComponents = function(left, right, result) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Check_default.typeOf.object("result", result); result.x = left.x * right.x; result.y = left.y * right.y; result.z = left.z * right.z; result.w = left.w * right.w; return result; }; Cartesian4.divideComponents = function(left, right, result) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Check_default.typeOf.object("result", result); result.x = left.x / right.x; result.y = left.y / right.y; result.z = left.z / right.z; result.w = left.w / right.w; return result; }; Cartesian4.add = function(left, right, result) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Check_default.typeOf.object("result", result); result.x = left.x + right.x; result.y = left.y + right.y; result.z = left.z + right.z; result.w = left.w + right.w; return result; }; Cartesian4.subtract = function(left, right, result) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Check_default.typeOf.object("result", result); result.x = left.x - right.x; result.y = left.y - right.y; result.z = left.z - right.z; result.w = left.w - right.w; return result; }; Cartesian4.multiplyByScalar = function(cartesian, scalar, result) { Check_default.typeOf.object("cartesian", cartesian); Check_default.typeOf.number("scalar", scalar); Check_default.typeOf.object("result", result); result.x = cartesian.x * scalar; result.y = cartesian.y * scalar; result.z = cartesian.z * scalar; result.w = cartesian.w * scalar; return result; }; Cartesian4.divideByScalar = function(cartesian, scalar, result) { Check_default.typeOf.object("cartesian", cartesian); Check_default.typeOf.number("scalar", scalar); Check_default.typeOf.object("result", result); result.x = cartesian.x / scalar; result.y = cartesian.y / scalar; result.z = cartesian.z / scalar; result.w = cartesian.w / scalar; return result; }; Cartesian4.negate = function(cartesian, result) { Check_default.typeOf.object("cartesian", cartesian); Check_default.typeOf.object("result", result); result.x = -cartesian.x; result.y = -cartesian.y; result.z = -cartesian.z; result.w = -cartesian.w; return result; }; Cartesian4.abs = function(cartesian, result) { Check_default.typeOf.object("cartesian", cartesian); Check_default.typeOf.object("result", result); result.x = Math.abs(cartesian.x); result.y = Math.abs(cartesian.y); result.z = Math.abs(cartesian.z); result.w = Math.abs(cartesian.w); return result; }; var lerpScratch = new Cartesian4(); Cartesian4.lerp = function(start, end, t, result) { Check_default.typeOf.object("start", start); Check_default.typeOf.object("end", end); Check_default.typeOf.number("t", t); Check_default.typeOf.object("result", result); Cartesian4.multiplyByScalar(end, t, lerpScratch); result = Cartesian4.multiplyByScalar(start, 1 - t, result); return Cartesian4.add(lerpScratch, result, result); }; var mostOrthogonalAxisScratch = new Cartesian4(); Cartesian4.mostOrthogonalAxis = function(cartesian, result) { Check_default.typeOf.object("cartesian", cartesian); Check_default.typeOf.object("result", result); const f = Cartesian4.normalize(cartesian, mostOrthogonalAxisScratch); Cartesian4.abs(f, f); if (f.x <= f.y) { if (f.x <= f.z) { if (f.x <= f.w) { result = Cartesian4.clone(Cartesian4.UNIT_X, result); } else { result = Cartesian4.clone(Cartesian4.UNIT_W, result); } } else if (f.z <= f.w) { result = Cartesian4.clone(Cartesian4.UNIT_Z, result); } else { result = Cartesian4.clone(Cartesian4.UNIT_W, result); } } else if (f.y <= f.z) { if (f.y <= f.w) { result = Cartesian4.clone(Cartesian4.UNIT_Y, result); } else { result = Cartesian4.clone(Cartesian4.UNIT_W, result); } } else if (f.z <= f.w) { result = Cartesian4.clone(Cartesian4.UNIT_Z, result); } else { result = Cartesian4.clone(Cartesian4.UNIT_W, result); } return result; }; Cartesian4.equals = function(left, right) { return left === right || defined_default(left) && defined_default(right) && left.x === right.x && left.y === right.y && left.z === right.z && left.w === right.w; }; Cartesian4.equalsArray = function(cartesian, array, offset) { return cartesian.x === array[offset] && cartesian.y === array[offset + 1] && cartesian.z === array[offset + 2] && cartesian.w === array[offset + 3]; }; Cartesian4.equalsEpsilon = function(left, right, relativeEpsilon, absoluteEpsilon) { return left === right || defined_default(left) && defined_default(right) && Math_default.equalsEpsilon( left.x, right.x, relativeEpsilon, absoluteEpsilon ) && Math_default.equalsEpsilon( left.y, right.y, relativeEpsilon, absoluteEpsilon ) && Math_default.equalsEpsilon( left.z, right.z, relativeEpsilon, absoluteEpsilon ) && Math_default.equalsEpsilon( left.w, right.w, relativeEpsilon, absoluteEpsilon ); }; Cartesian4.ZERO = Object.freeze(new Cartesian4(0, 0, 0, 0)); Cartesian4.ONE = Object.freeze(new Cartesian4(1, 1, 1, 1)); Cartesian4.UNIT_X = Object.freeze(new Cartesian4(1, 0, 0, 0)); Cartesian4.UNIT_Y = Object.freeze(new Cartesian4(0, 1, 0, 0)); Cartesian4.UNIT_Z = Object.freeze(new Cartesian4(0, 0, 1, 0)); Cartesian4.UNIT_W = Object.freeze(new Cartesian4(0, 0, 0, 1)); Cartesian4.prototype.clone = function(result) { return Cartesian4.clone(this, result); }; Cartesian4.prototype.equals = function(right) { return Cartesian4.equals(this, right); }; Cartesian4.prototype.equalsEpsilon = function(right, relativeEpsilon, absoluteEpsilon) { return Cartesian4.equalsEpsilon( this, right, relativeEpsilon, absoluteEpsilon ); }; Cartesian4.prototype.toString = function() { return `(${this.x}, ${this.y}, ${this.z}, ${this.w})`; }; var scratchF32Array = new Float32Array(1); var scratchU8Array = new Uint8Array(scratchF32Array.buffer); var testU32 = new Uint32Array([287454020]); var testU8 = new Uint8Array(testU32.buffer); var littleEndian = testU8[0] === 68; Cartesian4.packFloat = function(value, result) { Check_default.typeOf.number("value", value); if (!defined_default(result)) { result = new Cartesian4(); } scratchF32Array[0] = value; if (littleEndian) { result.x = scratchU8Array[0]; result.y = scratchU8Array[1]; result.z = scratchU8Array[2]; result.w = scratchU8Array[3]; } else { result.x = scratchU8Array[3]; result.y = scratchU8Array[2]; result.z = scratchU8Array[1]; result.w = scratchU8Array[0]; } return result; }; Cartesian4.unpackFloat = function(packedFloat) { Check_default.typeOf.object("packedFloat", packedFloat); if (littleEndian) { scratchU8Array[0] = packedFloat.x; scratchU8Array[1] = packedFloat.y; scratchU8Array[2] = packedFloat.z; scratchU8Array[3] = packedFloat.w; } else { scratchU8Array[0] = packedFloat.w; scratchU8Array[1] = packedFloat.z; scratchU8Array[2] = packedFloat.y; scratchU8Array[3] = packedFloat.x; } return scratchF32Array[0]; }; var Cartesian4_default = Cartesian4; // packages/engine/Source/Core/Matrix4.js function Matrix4(column0Row0, column1Row0, column2Row0, column3Row0, column0Row1, column1Row1, column2Row1, column3Row1, column0Row2, column1Row2, column2Row2, column3Row2, column0Row3, column1Row3, column2Row3, column3Row3) { this[0] = column0Row0 ?? 0; this[1] = column0Row1 ?? 0; this[2] = column0Row2 ?? 0; this[3] = column0Row3 ?? 0; this[4] = column1Row0 ?? 0; this[5] = column1Row1 ?? 0; this[6] = column1Row2 ?? 0; this[7] = column1Row3 ?? 0; this[8] = column2Row0 ?? 0; this[9] = column2Row1 ?? 0; this[10] = column2Row2 ?? 0; this[11] = column2Row3 ?? 0; this[12] = column3Row0 ?? 0; this[13] = column3Row1 ?? 0; this[14] = column3Row2 ?? 0; this[15] = column3Row3 ?? 0; } Matrix4.packedLength = 16; Matrix4.pack = function(value, array, startingIndex) { Check_default.typeOf.object("value", value); Check_default.defined("array", array); startingIndex = startingIndex ?? 0; array[startingIndex++] = value[0]; array[startingIndex++] = value[1]; array[startingIndex++] = value[2]; array[startingIndex++] = value[3]; array[startingIndex++] = value[4]; array[startingIndex++] = value[5]; array[startingIndex++] = value[6]; array[startingIndex++] = value[7]; array[startingIndex++] = value[8]; array[startingIndex++] = value[9]; array[startingIndex++] = value[10]; array[startingIndex++] = value[11]; array[startingIndex++] = value[12]; array[startingIndex++] = value[13]; array[startingIndex++] = value[14]; array[startingIndex] = value[15]; return array; }; Matrix4.unpack = function(array, startingIndex, result) { Check_default.defined("array", array); startingIndex = startingIndex ?? 0; if (!defined_default(result)) { result = new Matrix4(); } result[0] = array[startingIndex++]; result[1] = array[startingIndex++]; result[2] = array[startingIndex++]; result[3] = array[startingIndex++]; result[4] = array[startingIndex++]; result[5] = array[startingIndex++]; result[6] = array[startingIndex++]; result[7] = array[startingIndex++]; result[8] = array[startingIndex++]; result[9] = array[startingIndex++]; result[10] = array[startingIndex++]; result[11] = array[startingIndex++]; result[12] = array[startingIndex++]; result[13] = array[startingIndex++]; result[14] = array[startingIndex++]; result[15] = array[startingIndex]; return result; }; Matrix4.packArray = function(array, result) { Check_default.defined("array", array); const length = array.length; const resultLength = length * 16; if (!defined_default(result)) { result = new Array(resultLength); } else if (!Array.isArray(result) && result.length !== resultLength) { throw new DeveloperError_default( "If result is a typed array, it must have exactly array.length * 16 elements" ); } else if (result.length !== resultLength) { result.length = resultLength; } for (let i = 0; i < length; ++i) { Matrix4.pack(array[i], result, i * 16); } return result; }; Matrix4.unpackArray = function(array, result) { Check_default.defined("array", array); Check_default.typeOf.number.greaterThanOrEquals("array.length", array.length, 16); if (array.length % 16 !== 0) { throw new DeveloperError_default("array length must be a multiple of 16."); } const length = array.length; if (!defined_default(result)) { result = new Array(length / 16); } else { result.length = length / 16; } for (let i = 0; i < length; i += 16) { const index = i / 16; result[index] = Matrix4.unpack(array, i, result[index]); } return result; }; Matrix4.clone = function(matrix, result) { if (!defined_default(matrix)) { return void 0; } if (!defined_default(result)) { return new Matrix4( matrix[0], matrix[4], matrix[8], matrix[12], matrix[1], matrix[5], matrix[9], matrix[13], matrix[2], matrix[6], matrix[10], matrix[14], matrix[3], matrix[7], matrix[11], matrix[15] ); } result[0] = matrix[0]; result[1] = matrix[1]; result[2] = matrix[2]; result[3] = matrix[3]; result[4] = matrix[4]; result[5] = matrix[5]; result[6] = matrix[6]; result[7] = matrix[7]; result[8] = matrix[8]; result[9] = matrix[9]; result[10] = matrix[10]; result[11] = matrix[11]; result[12] = matrix[12]; result[13] = matrix[13]; result[14] = matrix[14]; result[15] = matrix[15]; return result; }; Matrix4.fromArray = Matrix4.unpack; Matrix4.fromColumnMajorArray = function(values, result) { Check_default.defined("values", values); return Matrix4.clone(values, result); }; Matrix4.fromRowMajorArray = function(values, result) { Check_default.defined("values", values); if (!defined_default(result)) { return new Matrix4( values[0], values[1], values[2], values[3], values[4], values[5], values[6], values[7], values[8], values[9], values[10], values[11], values[12], values[13], values[14], values[15] ); } result[0] = values[0]; result[1] = values[4]; result[2] = values[8]; result[3] = values[12]; result[4] = values[1]; result[5] = values[5]; result[6] = values[9]; result[7] = values[13]; result[8] = values[2]; result[9] = values[6]; result[10] = values[10]; result[11] = values[14]; result[12] = values[3]; result[13] = values[7]; result[14] = values[11]; result[15] = values[15]; return result; }; Matrix4.fromRotationTranslation = function(rotation, translation, result) { Check_default.typeOf.object("rotation", rotation); translation = translation ?? Cartesian3_default.ZERO; if (!defined_default(result)) { return new Matrix4( rotation[0], rotation[3], rotation[6], translation.x, rotation[1], rotation[4], rotation[7], translation.y, rotation[2], rotation[5], rotation[8], translation.z, 0, 0, 0, 1 ); } result[0] = rotation[0]; result[1] = rotation[1]; result[2] = rotation[2]; result[3] = 0; result[4] = rotation[3]; result[5] = rotation[4]; result[6] = rotation[5]; result[7] = 0; result[8] = rotation[6]; result[9] = rotation[7]; result[10] = rotation[8]; result[11] = 0; result[12] = translation.x; result[13] = translation.y; result[14] = translation.z; result[15] = 1; return result; }; Matrix4.fromTranslationQuaternionRotationScale = function(translation, rotation, scale, result) { Check_default.typeOf.object("translation", translation); Check_default.typeOf.object("rotation", rotation); Check_default.typeOf.object("scale", scale); if (!defined_default(result)) { result = new Matrix4(); } const scaleX = scale.x; const scaleY = scale.y; const scaleZ = scale.z; const x2 = rotation.x * rotation.x; const xy = rotation.x * rotation.y; const xz = rotation.x * rotation.z; const xw = rotation.x * rotation.w; const y2 = rotation.y * rotation.y; const yz = rotation.y * rotation.z; const yw = rotation.y * rotation.w; const z2 = rotation.z * rotation.z; const zw = rotation.z * rotation.w; const w2 = rotation.w * rotation.w; const m00 = x2 - y2 - z2 + w2; const m01 = 2 * (xy - zw); const m02 = 2 * (xz + yw); const m10 = 2 * (xy + zw); const m11 = -x2 + y2 - z2 + w2; const m12 = 2 * (yz - xw); const m20 = 2 * (xz - yw); const m21 = 2 * (yz + xw); const m22 = -x2 - y2 + z2 + w2; result[0] = m00 * scaleX; result[1] = m10 * scaleX; result[2] = m20 * scaleX; result[3] = 0; result[4] = m01 * scaleY; result[5] = m11 * scaleY; result[6] = m21 * scaleY; result[7] = 0; result[8] = m02 * scaleZ; result[9] = m12 * scaleZ; result[10] = m22 * scaleZ; result[11] = 0; result[12] = translation.x; result[13] = translation.y; result[14] = translation.z; result[15] = 1; return result; }; Matrix4.fromTranslationRotationScale = function(translationRotationScale, result) { Check_default.typeOf.object("translationRotationScale", translationRotationScale); return Matrix4.fromTranslationQuaternionRotationScale( translationRotationScale.translation, translationRotationScale.rotation, translationRotationScale.scale, result ); }; Matrix4.fromTranslation = function(translation, result) { Check_default.typeOf.object("translation", translation); return Matrix4.fromRotationTranslation(Matrix3_default.IDENTITY, translation, result); }; Matrix4.fromScale = function(scale, result) { Check_default.typeOf.object("scale", scale); if (!defined_default(result)) { return new Matrix4( scale.x, 0, 0, 0, 0, scale.y, 0, 0, 0, 0, scale.z, 0, 0, 0, 0, 1 ); } result[0] = scale.x; result[1] = 0; result[2] = 0; result[3] = 0; result[4] = 0; result[5] = scale.y; result[6] = 0; result[7] = 0; result[8] = 0; result[9] = 0; result[10] = scale.z; result[11] = 0; result[12] = 0; result[13] = 0; result[14] = 0; result[15] = 1; return result; }; Matrix4.fromUniformScale = function(scale, result) { Check_default.typeOf.number("scale", scale); if (!defined_default(result)) { return new Matrix4( scale, 0, 0, 0, 0, scale, 0, 0, 0, 0, scale, 0, 0, 0, 0, 1 ); } result[0] = scale; result[1] = 0; result[2] = 0; result[3] = 0; result[4] = 0; result[5] = scale; result[6] = 0; result[7] = 0; result[8] = 0; result[9] = 0; result[10] = scale; result[11] = 0; result[12] = 0; result[13] = 0; result[14] = 0; result[15] = 1; return result; }; Matrix4.fromRotation = function(rotation, result) { Check_default.typeOf.object("rotation", rotation); if (!defined_default(result)) { result = new Matrix4(); } result[0] = rotation[0]; result[1] = rotation[1]; result[2] = rotation[2]; result[3] = 0; result[4] = rotation[3]; result[5] = rotation[4]; result[6] = rotation[5]; result[7] = 0; result[8] = rotation[6]; result[9] = rotation[7]; result[10] = rotation[8]; result[11] = 0; result[12] = 0; result[13] = 0; result[14] = 0; result[15] = 1; return result; }; var fromCameraF = new Cartesian3_default(); var fromCameraR = new Cartesian3_default(); var fromCameraU = new Cartesian3_default(); Matrix4.fromCamera = function(camera, result) { Check_default.typeOf.object("camera", camera); const position = camera.position; const direction = camera.direction; const up = camera.up; Check_default.typeOf.object("camera.position", position); Check_default.typeOf.object("camera.direction", direction); Check_default.typeOf.object("camera.up", up); Cartesian3_default.normalize(direction, fromCameraF); Cartesian3_default.normalize( Cartesian3_default.cross(fromCameraF, up, fromCameraR), fromCameraR ); Cartesian3_default.normalize( Cartesian3_default.cross(fromCameraR, fromCameraF, fromCameraU), fromCameraU ); const sX = fromCameraR.x; const sY = fromCameraR.y; const sZ = fromCameraR.z; const fX = fromCameraF.x; const fY = fromCameraF.y; const fZ = fromCameraF.z; const uX = fromCameraU.x; const uY = fromCameraU.y; const uZ = fromCameraU.z; const positionX = position.x; const positionY = position.y; const positionZ = position.z; const t0 = sX * -positionX + sY * -positionY + sZ * -positionZ; const t1 = uX * -positionX + uY * -positionY + uZ * -positionZ; const t2 = fX * positionX + fY * positionY + fZ * positionZ; if (!defined_default(result)) { return new Matrix4( sX, sY, sZ, t0, uX, uY, uZ, t1, -fX, -fY, -fZ, t2, 0, 0, 0, 1 ); } result[0] = sX; result[1] = uX; result[2] = -fX; result[3] = 0; result[4] = sY; result[5] = uY; result[6] = -fY; result[7] = 0; result[8] = sZ; result[9] = uZ; result[10] = -fZ; result[11] = 0; result[12] = t0; result[13] = t1; result[14] = t2; result[15] = 1; return result; }; Matrix4.computePerspectiveFieldOfView = function(fovY, aspectRatio, near, far, result) { Check_default.typeOf.number.greaterThan("fovY", fovY, 0); Check_default.typeOf.number.lessThan("fovY", fovY, Math.PI); Check_default.typeOf.number.greaterThan("near", near, 0); Check_default.typeOf.number.greaterThan("far", far, 0); Check_default.typeOf.object("result", result); const bottom = Math.tan(fovY * 0.5); const column1Row1 = 1 / bottom; const column0Row0 = column1Row1 / aspectRatio; const column2Row2 = (far + near) / (near - far); const column3Row2 = 2 * far * near / (near - far); result[0] = column0Row0; result[1] = 0; result[2] = 0; result[3] = 0; result[4] = 0; result[5] = column1Row1; result[6] = 0; result[7] = 0; result[8] = 0; result[9] = 0; result[10] = column2Row2; result[11] = -1; result[12] = 0; result[13] = 0; result[14] = column3Row2; result[15] = 0; return result; }; Matrix4.computeOrthographicOffCenter = function(left, right, bottom, top, near, far, result) { Check_default.typeOf.number("left", left); Check_default.typeOf.number("right", right); Check_default.typeOf.number("bottom", bottom); Check_default.typeOf.number("top", top); Check_default.typeOf.number("near", near); Check_default.typeOf.number("far", far); Check_default.typeOf.object("result", result); let a = 1 / (right - left); let b = 1 / (top - bottom); let c = 1 / (far - near); const tx = -(right + left) * a; const ty = -(top + bottom) * b; const tz = -(far + near) * c; a *= 2; b *= 2; c *= -2; result[0] = a; result[1] = 0; result[2] = 0; result[3] = 0; result[4] = 0; result[5] = b; result[6] = 0; result[7] = 0; result[8] = 0; result[9] = 0; result[10] = c; result[11] = 0; result[12] = tx; result[13] = ty; result[14] = tz; result[15] = 1; return result; }; Matrix4.computePerspectiveOffCenter = function(left, right, bottom, top, near, far, result) { Check_default.typeOf.number("left", left); Check_default.typeOf.number("right", right); Check_default.typeOf.number("bottom", bottom); Check_default.typeOf.number("top", top); Check_default.typeOf.number("near", near); Check_default.typeOf.number("far", far); Check_default.typeOf.object("result", result); const column0Row0 = 2 * near / (right - left); const column1Row1 = 2 * near / (top - bottom); const column2Row0 = (right + left) / (right - left); const column2Row1 = (top + bottom) / (top - bottom); const column2Row2 = -(far + near) / (far - near); const column2Row3 = -1; const column3Row2 = -2 * far * near / (far - near); result[0] = column0Row0; result[1] = 0; result[2] = 0; result[3] = 0; result[4] = 0; result[5] = column1Row1; result[6] = 0; result[7] = 0; result[8] = column2Row0; result[9] = column2Row1; result[10] = column2Row2; result[11] = column2Row3; result[12] = 0; result[13] = 0; result[14] = column3Row2; result[15] = 0; return result; }; Matrix4.computeInfinitePerspectiveOffCenter = function(left, right, bottom, top, near, result) { Check_default.typeOf.number("left", left); Check_default.typeOf.number("right", right); Check_default.typeOf.number("bottom", bottom); Check_default.typeOf.number("top", top); Check_default.typeOf.number("near", near); Check_default.typeOf.object("result", result); const column0Row0 = 2 * near / (right - left); const column1Row1 = 2 * near / (top - bottom); const column2Row0 = (right + left) / (right - left); const column2Row1 = (top + bottom) / (top - bottom); const column2Row2 = -1; const column2Row3 = -1; const column3Row2 = -2 * near; result[0] = column0Row0; result[1] = 0; result[2] = 0; result[3] = 0; result[4] = 0; result[5] = column1Row1; result[6] = 0; result[7] = 0; result[8] = column2Row0; result[9] = column2Row1; result[10] = column2Row2; result[11] = column2Row3; result[12] = 0; result[13] = 0; result[14] = column3Row2; result[15] = 0; return result; }; Matrix4.computeViewportTransformation = function(viewport, nearDepthRange, farDepthRange, result) { if (!defined_default(result)) { result = new Matrix4(); } viewport = viewport ?? Frozen_default.EMPTY_OBJECT; const x = viewport.x ?? 0; const y = viewport.y ?? 0; const width = viewport.width ?? 0; const height = viewport.height ?? 0; nearDepthRange = nearDepthRange ?? 0; farDepthRange = farDepthRange ?? 1; const halfWidth = width * 0.5; const halfHeight = height * 0.5; const halfDepth = (farDepthRange - nearDepthRange) * 0.5; const column0Row0 = halfWidth; const column1Row1 = halfHeight; const column2Row2 = halfDepth; const column3Row0 = x + halfWidth; const column3Row1 = y + halfHeight; const column3Row2 = nearDepthRange + halfDepth; const column3Row3 = 1; result[0] = column0Row0; result[1] = 0; result[2] = 0; result[3] = 0; result[4] = 0; result[5] = column1Row1; result[6] = 0; result[7] = 0; result[8] = 0; result[9] = 0; result[10] = column2Row2; result[11] = 0; result[12] = column3Row0; result[13] = column3Row1; result[14] = column3Row2; result[15] = column3Row3; return result; }; Matrix4.computeView = function(position, direction, up, right, result) { Check_default.typeOf.object("position", position); Check_default.typeOf.object("direction", direction); Check_default.typeOf.object("up", up); Check_default.typeOf.object("right", right); Check_default.typeOf.object("result", result); result[0] = right.x; result[1] = up.x; result[2] = -direction.x; result[3] = 0; result[4] = right.y; result[5] = up.y; result[6] = -direction.y; result[7] = 0; result[8] = right.z; result[9] = up.z; result[10] = -direction.z; result[11] = 0; result[12] = -Cartesian3_default.dot(right, position); result[13] = -Cartesian3_default.dot(up, position); result[14] = Cartesian3_default.dot(direction, position); result[15] = 1; return result; }; Matrix4.toArray = function(matrix, result) { Check_default.typeOf.object("matrix", matrix); if (!defined_default(result)) { return [ matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5], matrix[6], matrix[7], matrix[8], matrix[9], matrix[10], matrix[11], matrix[12], matrix[13], matrix[14], matrix[15] ]; } result[0] = matrix[0]; result[1] = matrix[1]; result[2] = matrix[2]; result[3] = matrix[3]; result[4] = matrix[4]; result[5] = matrix[5]; result[6] = matrix[6]; result[7] = matrix[7]; result[8] = matrix[8]; result[9] = matrix[9]; result[10] = matrix[10]; result[11] = matrix[11]; result[12] = matrix[12]; result[13] = matrix[13]; result[14] = matrix[14]; result[15] = matrix[15]; return result; }; Matrix4.getElementIndex = function(column, row) { Check_default.typeOf.number.greaterThanOrEquals("row", row, 0); Check_default.typeOf.number.lessThanOrEquals("row", row, 3); Check_default.typeOf.number.greaterThanOrEquals("column", column, 0); Check_default.typeOf.number.lessThanOrEquals("column", column, 3); return column * 4 + row; }; Matrix4.getColumn = function(matrix, index, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.number.greaterThanOrEquals("index", index, 0); Check_default.typeOf.number.lessThanOrEquals("index", index, 3); Check_default.typeOf.object("result", result); const startIndex = index * 4; const x = matrix[startIndex]; const y = matrix[startIndex + 1]; const z = matrix[startIndex + 2]; const w = matrix[startIndex + 3]; result.x = x; result.y = y; result.z = z; result.w = w; return result; }; Matrix4.setColumn = function(matrix, index, cartesian, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.number.greaterThanOrEquals("index", index, 0); Check_default.typeOf.number.lessThanOrEquals("index", index, 3); Check_default.typeOf.object("cartesian", cartesian); Check_default.typeOf.object("result", result); result = Matrix4.clone(matrix, result); const startIndex = index * 4; result[startIndex] = cartesian.x; result[startIndex + 1] = cartesian.y; result[startIndex + 2] = cartesian.z; result[startIndex + 3] = cartesian.w; return result; }; Matrix4.getRow = function(matrix, index, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.number.greaterThanOrEquals("index", index, 0); Check_default.typeOf.number.lessThanOrEquals("index", index, 3); Check_default.typeOf.object("result", result); const x = matrix[index]; const y = matrix[index + 4]; const z = matrix[index + 8]; const w = matrix[index + 12]; result.x = x; result.y = y; result.z = z; result.w = w; return result; }; Matrix4.setRow = function(matrix, index, cartesian, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.number.greaterThanOrEquals("index", index, 0); Check_default.typeOf.number.lessThanOrEquals("index", index, 3); Check_default.typeOf.object("cartesian", cartesian); Check_default.typeOf.object("result", result); result = Matrix4.clone(matrix, result); result[index] = cartesian.x; result[index + 4] = cartesian.y; result[index + 8] = cartesian.z; result[index + 12] = cartesian.w; return result; }; Matrix4.setTranslation = function(matrix, translation, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.object("translation", translation); Check_default.typeOf.object("result", result); result[0] = matrix[0]; result[1] = matrix[1]; result[2] = matrix[2]; result[3] = matrix[3]; result[4] = matrix[4]; result[5] = matrix[5]; result[6] = matrix[6]; result[7] = matrix[7]; result[8] = matrix[8]; result[9] = matrix[9]; result[10] = matrix[10]; result[11] = matrix[11]; result[12] = translation.x; result[13] = translation.y; result[14] = translation.z; result[15] = matrix[15]; return result; }; var scaleScratch1 = new Cartesian3_default(); Matrix4.setScale = function(matrix, scale, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.object("scale", scale); Check_default.typeOf.object("result", result); const existingScale = Matrix4.getScale(matrix, scaleScratch1); const scaleRatioX = scale.x / existingScale.x; const scaleRatioY = scale.y / existingScale.y; const scaleRatioZ = scale.z / existingScale.z; result[0] = matrix[0] * scaleRatioX; result[1] = matrix[1] * scaleRatioX; result[2] = matrix[2] * scaleRatioX; result[3] = matrix[3]; result[4] = matrix[4] * scaleRatioY; result[5] = matrix[5] * scaleRatioY; result[6] = matrix[6] * scaleRatioY; result[7] = matrix[7]; result[8] = matrix[8] * scaleRatioZ; result[9] = matrix[9] * scaleRatioZ; result[10] = matrix[10] * scaleRatioZ; result[11] = matrix[11]; result[12] = matrix[12]; result[13] = matrix[13]; result[14] = matrix[14]; result[15] = matrix[15]; return result; }; var scaleScratch2 = new Cartesian3_default(); Matrix4.setUniformScale = function(matrix, scale, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.number("scale", scale); Check_default.typeOf.object("result", result); const existingScale = Matrix4.getScale(matrix, scaleScratch2); const scaleRatioX = scale / existingScale.x; const scaleRatioY = scale / existingScale.y; const scaleRatioZ = scale / existingScale.z; result[0] = matrix[0] * scaleRatioX; result[1] = matrix[1] * scaleRatioX; result[2] = matrix[2] * scaleRatioX; result[3] = matrix[3]; result[4] = matrix[4] * scaleRatioY; result[5] = matrix[5] * scaleRatioY; result[6] = matrix[6] * scaleRatioY; result[7] = matrix[7]; result[8] = matrix[8] * scaleRatioZ; result[9] = matrix[9] * scaleRatioZ; result[10] = matrix[10] * scaleRatioZ; result[11] = matrix[11]; result[12] = matrix[12]; result[13] = matrix[13]; result[14] = matrix[14]; result[15] = matrix[15]; return result; }; var scratchColumn = new Cartesian3_default(); Matrix4.getScale = function(matrix, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.object("result", result); result.x = Cartesian3_default.magnitude( Cartesian3_default.fromElements(matrix[0], matrix[1], matrix[2], scratchColumn) ); result.y = Cartesian3_default.magnitude( Cartesian3_default.fromElements(matrix[4], matrix[5], matrix[6], scratchColumn) ); result.z = Cartesian3_default.magnitude( Cartesian3_default.fromElements(matrix[8], matrix[9], matrix[10], scratchColumn) ); return result; }; var scaleScratch3 = new Cartesian3_default(); Matrix4.getMaximumScale = function(matrix) { Matrix4.getScale(matrix, scaleScratch3); return Cartesian3_default.maximumComponent(scaleScratch3); }; var scaleScratch4 = new Cartesian3_default(); Matrix4.setRotation = function(matrix, rotation, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.object("result", result); const scale = Matrix4.getScale(matrix, scaleScratch4); result[0] = rotation[0] * scale.x; result[1] = rotation[1] * scale.x; result[2] = rotation[2] * scale.x; result[3] = matrix[3]; result[4] = rotation[3] * scale.y; result[5] = rotation[4] * scale.y; result[6] = rotation[5] * scale.y; result[7] = matrix[7]; result[8] = rotation[6] * scale.z; result[9] = rotation[7] * scale.z; result[10] = rotation[8] * scale.z; result[11] = matrix[11]; result[12] = matrix[12]; result[13] = matrix[13]; result[14] = matrix[14]; result[15] = matrix[15]; return result; }; var scaleScratch5 = new Cartesian3_default(); Matrix4.getRotation = function(matrix, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.object("result", result); const scale = Matrix4.getScale(matrix, scaleScratch5); result[0] = matrix[0] / scale.x; result[1] = matrix[1] / scale.x; result[2] = matrix[2] / scale.x; result[3] = matrix[4] / scale.y; result[4] = matrix[5] / scale.y; result[5] = matrix[6] / scale.y; result[6] = matrix[8] / scale.z; result[7] = matrix[9] / scale.z; result[8] = matrix[10] / scale.z; return result; }; Matrix4.multiply = function(left, right, result) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Check_default.typeOf.object("result", result); const left0 = left[0]; const left1 = left[1]; const left2 = left[2]; const left3 = left[3]; const left4 = left[4]; const left5 = left[5]; const left6 = left[6]; const left7 = left[7]; const left8 = left[8]; const left9 = left[9]; const left10 = left[10]; const left11 = left[11]; const left12 = left[12]; const left13 = left[13]; const left14 = left[14]; const left15 = left[15]; const right0 = right[0]; const right1 = right[1]; const right2 = right[2]; const right3 = right[3]; const right4 = right[4]; const right5 = right[5]; const right6 = right[6]; const right7 = right[7]; const right8 = right[8]; const right9 = right[9]; const right10 = right[10]; const right11 = right[11]; const right12 = right[12]; const right13 = right[13]; const right14 = right[14]; const right15 = right[15]; const column0Row0 = left0 * right0 + left4 * right1 + left8 * right2 + left12 * right3; const column0Row1 = left1 * right0 + left5 * right1 + left9 * right2 + left13 * right3; const column0Row2 = left2 * right0 + left6 * right1 + left10 * right2 + left14 * right3; const column0Row3 = left3 * right0 + left7 * right1 + left11 * right2 + left15 * right3; const column1Row0 = left0 * right4 + left4 * right5 + left8 * right6 + left12 * right7; const column1Row1 = left1 * right4 + left5 * right5 + left9 * right6 + left13 * right7; const column1Row2 = left2 * right4 + left6 * right5 + left10 * right6 + left14 * right7; const column1Row3 = left3 * right4 + left7 * right5 + left11 * right6 + left15 * right7; const column2Row0 = left0 * right8 + left4 * right9 + left8 * right10 + left12 * right11; const column2Row1 = left1 * right8 + left5 * right9 + left9 * right10 + left13 * right11; const column2Row2 = left2 * right8 + left6 * right9 + left10 * right10 + left14 * right11; const column2Row3 = left3 * right8 + left7 * right9 + left11 * right10 + left15 * right11; const column3Row0 = left0 * right12 + left4 * right13 + left8 * right14 + left12 * right15; const column3Row1 = left1 * right12 + left5 * right13 + left9 * right14 + left13 * right15; const column3Row2 = left2 * right12 + left6 * right13 + left10 * right14 + left14 * right15; const column3Row3 = left3 * right12 + left7 * right13 + left11 * right14 + left15 * right15; result[0] = column0Row0; result[1] = column0Row1; result[2] = column0Row2; result[3] = column0Row3; result[4] = column1Row0; result[5] = column1Row1; result[6] = column1Row2; result[7] = column1Row3; result[8] = column2Row0; result[9] = column2Row1; result[10] = column2Row2; result[11] = column2Row3; result[12] = column3Row0; result[13] = column3Row1; result[14] = column3Row2; result[15] = column3Row3; return result; }; Matrix4.add = function(left, right, result) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Check_default.typeOf.object("result", result); result[0] = left[0] + right[0]; result[1] = left[1] + right[1]; result[2] = left[2] + right[2]; result[3] = left[3] + right[3]; result[4] = left[4] + right[4]; result[5] = left[5] + right[5]; result[6] = left[6] + right[6]; result[7] = left[7] + right[7]; result[8] = left[8] + right[8]; result[9] = left[9] + right[9]; result[10] = left[10] + right[10]; result[11] = left[11] + right[11]; result[12] = left[12] + right[12]; result[13] = left[13] + right[13]; result[14] = left[14] + right[14]; result[15] = left[15] + right[15]; return result; }; Matrix4.subtract = function(left, right, result) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Check_default.typeOf.object("result", result); result[0] = left[0] - right[0]; result[1] = left[1] - right[1]; result[2] = left[2] - right[2]; result[3] = left[3] - right[3]; result[4] = left[4] - right[4]; result[5] = left[5] - right[5]; result[6] = left[6] - right[6]; result[7] = left[7] - right[7]; result[8] = left[8] - right[8]; result[9] = left[9] - right[9]; result[10] = left[10] - right[10]; result[11] = left[11] - right[11]; result[12] = left[12] - right[12]; result[13] = left[13] - right[13]; result[14] = left[14] - right[14]; result[15] = left[15] - right[15]; return result; }; Matrix4.multiplyTransformation = function(left, right, result) { Check_default.typeOf.object("left", left); Check_default.typeOf.object("right", right); Check_default.typeOf.object("result", result); const left0 = left[0]; const left1 = left[1]; const left2 = left[2]; const left4 = left[4]; const left5 = left[5]; const left6 = left[6]; const left8 = left[8]; const left9 = left[9]; const left10 = left[10]; const left12 = left[12]; const left13 = left[13]; const left14 = left[14]; const right0 = right[0]; const right1 = right[1]; const right2 = right[2]; const right4 = right[4]; const right5 = right[5]; const right6 = right[6]; const right8 = right[8]; const right9 = right[9]; const right10 = right[10]; const right12 = right[12]; const right13 = right[13]; const right14 = right[14]; const column0Row0 = left0 * right0 + left4 * right1 + left8 * right2; const column0Row1 = left1 * right0 + left5 * right1 + left9 * right2; const column0Row2 = left2 * right0 + left6 * right1 + left10 * right2; const column1Row0 = left0 * right4 + left4 * right5 + left8 * right6; const column1Row1 = left1 * right4 + left5 * right5 + left9 * right6; const column1Row2 = left2 * right4 + left6 * right5 + left10 * right6; const column2Row0 = left0 * right8 + left4 * right9 + left8 * right10; const column2Row1 = left1 * right8 + left5 * right9 + left9 * right10; const column2Row2 = left2 * right8 + left6 * right9 + left10 * right10; const column3Row0 = left0 * right12 + left4 * right13 + left8 * right14 + left12; const column3Row1 = left1 * right12 + left5 * right13 + left9 * right14 + left13; const column3Row2 = left2 * right12 + left6 * right13 + left10 * right14 + left14; result[0] = column0Row0; result[1] = column0Row1; result[2] = column0Row2; result[3] = 0; result[4] = column1Row0; result[5] = column1Row1; result[6] = column1Row2; result[7] = 0; result[8] = column2Row0; result[9] = column2Row1; result[10] = column2Row2; result[11] = 0; result[12] = column3Row0; result[13] = column3Row1; result[14] = column3Row2; result[15] = 1; return result; }; Matrix4.multiplyByMatrix3 = function(matrix, rotation, result) { Check_default.typeOf.object("matrix", matrix); Check_default.typeOf.object("rotation", rotation); Check_default.typeOf.object("result", result); const left0 = matrix[0]; const left1 = matrix[1]; const left2 = matrix[2]; const left4 = matrix[4]; const left5 = matrix[5]; const left6 = matrix[6]; const left8 = matrix[8]; const left9 = matrix[9]; const left10 = matrix[10]; const right0 = rotation[0]; const right1 = rotation[1]; const right2 = rotation[2]; const right4 = rotation[3]; const right5 = rotation[4]; const right6 = rotation[5]; const right8 = rotation[6]; const right9 = rotation[7]; const right10 = rotation[8]; const column0Row0 = left0 * right0 + left4 * right1 + left8 * right2; const column0Row1 = left1 * right0 + left5 * right1 + left9 * right2; const column0Row2 = left2 * right0 + left6 * right1 + left10 * right2; const column1Row0 = left0 * right4 + left4 * right5 + left8 * right6; const column1Row1 = left1 * right4 + left5 * right5 + left9 * right6; const column1Row2 = left2 * right4 + left6 * right5 + left10 * right6; const column2Row0 = left0 * right8 + left4 * right9 + left8 * right10; const column2Row1 = left1 * right8 + left5 * right9 + left9 * right10; const column2Row2 = left2 * right8 + left6 * right9 + left10 * right10; result[0] = column0Row0; result[1] = column0Row1; result[2] = column0Row2; result[3] = 0; result[4] = column1Row0; result[5] = column1Row1; result[6] = column1Row2; result[7] = 0; result[8] = column2Row0; result[9] = column2Row1; result[10] = column2Row2; result[11] = 0; result[12] = matrix[12]; result[13] = matrix[13]; result[14] = matrix[14]; result[15] = matrix[15];