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export class Vector3 {
constructor(x = 0, y = 0, z = 0) {
this.x = x;
this.y = y;
this.z = z;
}
add(v) {
return new Vector3(this.x + v.x, this.y + v.y, this.z + v.z);
}
subtract(v) {
return new Vector3(this.x - v.x, this.y - v.y, this.z - v.z);
}
scale(s) {
return new Vector3(this.x * s, this.y * s, this.z * s);
}
dot(v) {
return this.x * v.x + this.y * v.y + this.z * v.z;
}
cross(v) {
return new Vector3(
this.y * v.z - this.z * v.y,
this.z * v.x - this.x * v.z,
this.x * v.y - this.y * v.x
);
}
length() {
return Math.sqrt(this.dot(this));
}
magnitude() {
return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z);
}
normalize() {
const len = this.length();
return len ? this.scale(1 / len) : new Vector3();
}
clone() {
return new Vector3(this.x, this.y, this.z);
}
}
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