39 lines
853 B
JavaScript
39 lines
853 B
JavaScript
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// Homogeneous3D.js
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// John Breaux 2022-07-12
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// 3D Homogeneous coordinate library
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"use strict";
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//
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// Classes
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//
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// Homogeneous3D: Stores a 3D vector or point in homogeneous coords
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class Homogeneous3D {
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constructor({ x = 0, y = 0, z = 0, w = 0 } = { x: 0, y: 0, z: 0, w: 0 }) {
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this.x = x;
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this.y = y;
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this.z = z;
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this.w = w;
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}
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// Add with modify
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add_m(rhs) {
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if (rhs) {
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this.x += rhs.x;
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this.y += rhs.y;
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this.z += rhs.z;
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this.w += rhs.w;
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return this;
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}
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else return null;
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}
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// calculate the magnitude (lol what are points)
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magnitude() {
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var magnitude = Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
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}
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// copy
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copy() {
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return new Homogeneous3D(this.x, this.y, this.z, this.w);
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}
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}
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