Files
node-metaverse/dist/tsm/vec4.js
2017-12-13 15:23:50 +00:00

300 lines
7.3 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class vec4 {
constructor(values = null) {
this.values = new Float32Array(4);
if (values) {
this.xyzw = values;
}
}
static mix(vector, vector2, time, dest = null) {
if (!dest) {
dest = new vec4();
}
dest.x = vector.x + time * (vector2.x - vector.x);
dest.y = vector.y + time * (vector2.y - vector.y);
dest.z = vector.z + time * (vector2.z - vector.z);
dest.w = vector.w + time * (vector2.w - vector.w);
return dest;
}
static sum(vector, vector2, dest = null) {
if (!dest) {
dest = new vec4();
}
dest.x = vector.x + vector2.x,
dest.y = vector.y + vector2.y,
dest.z = vector.z + vector2.z,
dest.w = vector.w + vector2.w;
return dest;
}
static difference(vector, vector2, dest = null) {
if (!dest) {
dest = new vec4();
}
dest.x = vector.x - vector2.x,
dest.y = vector.y - vector2.y,
dest.z = vector.z - vector2.z,
dest.w = vector.w - vector2.w;
return dest;
}
static product(vector, vector2, dest = null) {
if (!dest) {
dest = new vec4();
}
dest.x = vector.x * vector2.x,
dest.y = vector.y * vector2.y,
dest.z = vector.z * vector2.z,
dest.w = vector.w * vector2.w;
return dest;
}
static quotient(vector, vector2, dest = null) {
if (!dest) {
dest = new vec4();
}
dest.x = vector.x / vector2.x,
dest.y = vector.y / vector2.y,
dest.z = vector.z / vector2.z,
dest.w = vector.w / vector2.w;
return dest;
}
get x() {
return this.values[0];
}
get y() {
return this.values[1];
}
get z() {
return this.values[2];
}
get w() {
return this.values[3];
}
get xy() {
return [
this.values[0],
this.values[1]
];
}
get xyz() {
return [
this.values[0],
this.values[1],
this.values[2]
];
}
get xyzw() {
return [
this.values[0],
this.values[1],
this.values[2],
this.values[3]
];
}
set x(value) {
this.values[0] = value;
}
set y(value) {
this.values[1] = value;
}
set z(value) {
this.values[2] = value;
}
set w(value) {
this.values[3] = value;
}
set xy(values) {
this.values[0] = values[0];
this.values[1] = values[1];
}
set xyz(values) {
this.values[0] = values[0];
this.values[1] = values[1];
this.values[2] = values[2];
}
set xyzw(values) {
this.values[0] = values[0];
this.values[1] = values[1];
this.values[2] = values[2];
this.values[3] = values[3];
}
get r() {
return this.values[0];
}
get g() {
return this.values[1];
}
get b() {
return this.values[2];
}
get a() {
return this.values[3];
}
get rg() {
return [
this.values[0],
this.values[1]
];
}
get rgb() {
return [
this.values[0],
this.values[1],
this.values[2]
];
}
get rgba() {
return [
this.values[0],
this.values[1],
this.values[2],
this.values[3]
];
}
set r(value) {
this.values[0] = value;
}
set g(value) {
this.values[1] = value;
}
set b(value) {
this.values[2] = value;
}
set a(value) {
this.values[3] = value;
}
set rg(values) {
this.values[0] = values[0];
this.values[1] = values[1];
}
set rgb(values) {
this.values[0] = values[0];
this.values[1] = values[1];
this.values[2] = values[2];
}
set rgba(values) {
this.values[0] = values[0];
this.values[1] = values[1];
this.values[2] = values[2];
this.values[3] = values[3];
}
at(index) {
return this.values[index];
}
reset() {
this.x = 0;
this.y = 0;
this.z = 0;
this.w = 0;
}
copy(dest = null) {
if (!dest) {
dest = new vec4();
}
dest.x = this.x;
dest.y = this.y;
dest.z = this.z;
dest.w = this.w;
return dest;
}
negate(dest = null) {
if (!dest) {
dest = this;
}
dest.x = -this.x;
dest.y = -this.y;
dest.z = -this.z;
dest.w = -this.w;
return dest;
}
equals(vector, threshold = EPSILON) {
if (Math.abs(this.x - vector.x) > threshold) {
return false;
}
if (Math.abs(this.y - vector.y) > threshold) {
return false;
}
if (Math.abs(this.z - vector.z) > threshold) {
return false;
}
if (Math.abs(this.w - vector.w) > threshold) {
return false;
}
return true;
}
length() {
return Math.sqrt(this.squaredLength());
}
squaredLength() {
const x = this.x, y = this.y, z = this.z, w = this.w;
return (x * x + y * y + z * z + w * w);
}
add(vector) {
this.x += vector.x;
this.y += vector.y;
this.z += vector.z;
this.w += vector.w;
return this;
}
subtract(vector) {
this.x -= vector.x;
this.y -= vector.y;
this.z -= vector.z;
this.w -= vector.w;
return this;
}
multiply(vector) {
this.x *= vector.x;
this.y *= vector.y;
this.z *= vector.z;
this.w *= vector.w;
return this;
}
divide(vector) {
this.x /= vector.x;
this.y /= vector.y;
this.z /= vector.z;
this.w /= vector.w;
return this;
}
scale(value, dest = null) {
if (!dest) {
dest = this;
}
dest.x *= value;
dest.y *= value;
dest.z *= value;
dest.w *= value;
return dest;
}
normalize(dest = null) {
if (!dest) {
dest = this;
}
let length = this.length();
if (length === 1) {
return this;
}
if (length === 0) {
dest.x *= 0;
dest.y *= 0;
dest.z *= 0;
dest.w *= 0;
return dest;
}
length = 1.0 / length;
dest.x *= length;
dest.y *= length;
dest.z *= length;
dest.w *= length;
return dest;
}
multiplyMat4(matrix, dest = null) {
if (!dest) {
dest = this;
}
return matrix.multiplyVec4(this, dest);
}
}
vec4.zero = new vec4([0, 0, 0, 1]);
exports.vec4 = vec4;
//# sourceMappingURL=vec4.js.map