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71174bc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | // Existing functions
/**
* Calculate the distance between two vertices.
*
* @param {number[]} vertex1 The first vertex.
* @param {number[]} vertex2 The second vertex.
* @returns {number} The distance between the two vertices.
*/
export function distance(
vertex1: [number, number, number],
vertex2: [number, number, number]
): number {
return Math.sqrt(
(vertex1[0] - vertex2[0]) ** 2 +
(vertex1[1] - vertex2[1]) ** 2 +
(vertex1[2] - vertex2[2]) ** 2
);
}
/**
* Determine if the distance between two vertices is within a cutoff.
*
* @param {number[]} vertex1 The first vertex.
* @param {number[]} vertex2 The second vertex.
* @param {number} cutoffSquared The square of the cutoff distance.
* @returns {boolean} Whether the distance between the two vertices is within
* the cutoff.
*/
export function distanceWithinCutoffSquared(
vertex1: [number, number, number],
vertex2: [number, number, number],
cutoffSquared: number
): boolean {
const dxsqrd = (vertex1[0] - vertex2[0]) ** 2;
if (dxsqrd > cutoffSquared) {
return false;
}
const dysqrd = (vertex1[1] - vertex2[1]) ** 2;
if (dysqrd > cutoffSquared) {
return false;
}
const dzsqrd = (vertex1[2] - vertex2[2]) ** 2;
if (dzsqrd > cutoffSquared) {
return false;
}
return dxsqrd + dysqrd + dzsqrd <= cutoffSquared;
}
/**
* Determine if two colors are the same.
*
* @param {number[]} color1 The first color.
* @param {number[]} color2 The second color.
* @param {number} epsilon The maximum difference between the colors.
* @returns {boolean} Whether the two colors are the same.
*/
export function sameColor(
color1: [number, number, number],
color2: [number, number, number],
epsilon = 0.001
): boolean {
return (
Math.abs(color1[0] - color2[0]) < epsilon &&
Math.abs(color1[1] - color2[1]) < epsilon &&
Math.abs(color1[2] - color2[2]) < epsilon
);
}
/**
* Truncate the values in an array to two decimal places.
*
* @param {number[]} arr The array of values.
* @returns {number[]} The array with the values truncated to two decimal
* places.
*/
export function truncateValues(arr: [number, number, number]): [number, number, number] {
return arr.map((num) => Number(num.toFixed(2))) as [number, number, number]
}
// Updated vector math functions with error checking
/**
* Subtract two vectors.
*
* @param {number[]} v1 The first vector.
* @param {number[]} v2 The second vector.
* @returns {number[]} The result of subtracting the second vector from the
* first vector.
*/
export function subtractVectors(
v1: [number, number, number],
v2: [number, number, number]
): [number, number, number] {
if (
!Array.isArray(v1) ||
!Array.isArray(v2) ||
v1.length !== 3 ||
v2.length !== 3
) {
console.error("Invalid input to subtractVectors:", v1, v2);
return [0, 0, 0];
}
return [v1[0] - v2[0], v1[1] - v2[1], v1[2] - v2[2]];
}
/**
* Calculate the dot product of two vectors.
*
* @param {number[]} v1 The first vector.
* @param {number[]} v2 The second vector.
* @returns {number} The dot product of the two vectors.
*/
export function crossProduct(
v1: [number, number, number],
v2: [number, number, number]
): [number, number, number] {
if (
!Array.isArray(v1) ||
!Array.isArray(v2) ||
v1.length !== 3 ||
v2.length !== 3
) {
console.error("Invalid input to crossProduct:", v1, v2);
return [0, 0, 0];
}
return [
v1[1] * v2[2] - v1[2] * v2[1],
v1[2] * v2[0] - v1[0] * v2[2],
v1[0] * v2[1] - v1[1] * v2[0],
];
}
/**
* Calculate the length of a vector.
*
* @param {number[]} v The vector.
* @returns {number} The length of the vector.
*/
export function vectorLength(v: [number, number, number]): number {
if (!Array.isArray(v) || v.length !== 3) {
console.error("Invalid input to vectorLength:", v);
return 0;
}
return Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
}
/**
* Scale a vector by a scalar.
*
* @param {number[]} v The vector.
* @param {number} scalar The scalar.
* @returns {number[]} The vector scaled by the scalar.
*/
export function scaleVector(v: [number, number, number], scalar: number): [number, number, number] {
if (!Array.isArray(v) || v.length !== 3 || typeof scalar !== "number") {
console.error("Invalid input to scaleVector:", v, scalar);
return [0, 0, 0];
}
return [v[0] * scalar, v[1] * scalar, v[2] * scalar];
}
/**
* Add two vectors.
*
* @param {number[]} v1 The first vector.
* @param {number[]} v2 The second vector.
* @returns {number[]} The result of adding the two vectors.
*/
export function addVectors(
v1: [number, number, number],
v2: [number, number, number]
): [number, number, number] {
if (
!Array.isArray(v1) ||
!Array.isArray(v2) ||
v1.length !== 3 ||
v2.length !== 3
) {
console.error("Invalid input to addVectors:", v1, v2);
return [0, 0, 0];
}
return [v1[0] + v2[0], v1[1] + v2[1], v1[2] + v2[2]];
} |