@fimbul-works/vec
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A comprehensive TypeScript vector math library providing 2D, 3D, and 4D vector operations with a focus on performance and type safety.
15 lines (14 loc) • 910 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.lookAt4D = void 0;
const magnitude_4d_js_1 = require("./magnitude-4d.js");
/**
* Makes a 4D vector point towards another vector.
* @param {ArrayVector4D} xyzw1 - First vector as `[x, y, z, w]`
* @param {ArrayVector4D} xyzw2 - Second vector as `[x, y, z, w]` (target to look at)
* @param {number} [m1] - Optional current magnitude of the first vector (default: `magnitude4D(xyzw1)`)
* @param {number} [m2] - Optional current magnitude of the second vector (default: `magnitude4D(xyzw2)`)
* @returns {number} Vector pointing at the target with the magnitude of xyzw1
*/
const lookAt4D = (xyzw1, xyzw2, m1 = (0, magnitude_4d_js_1.magnitude4D)(xyzw1), m2 = (0, magnitude_4d_js_1.magnitude4D)(xyzw2)) => [(xyzw2[0] / m2) * m1, (xyzw2[1] / m2) * m1, (xyzw2[2] / m2) * m1, (xyzw2[3] / m2) * m1];
exports.lookAt4D = lookAt4D;