Reorganize stuff, vertex attribute types

src/data/Vector4.ts

@@ -0,0 +1,113 @@
+/*!
+ * This Source Code Form is subject to the terms of the Mozilla Public License,
+ * v. 2.0. If a copy of the MPL was not distributed with this file, You can
+ * obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+export interface Vector4Object {
+	readonly x: number;
+	readonly y: number;
+	readonly z: number;
+	readonly w: number;
+}
+
+export type Vector4Tuple = readonly [x: number, y: number, z: number, w: number];
+
+export class Vector4 {
+
+	readonly type!: "Vector4";
+
+	x: number;
+	y: number;
+	z: number;
+	w: number;
+
+	constructor(x: number, y: number, z: number, w: number) {
+		this.x = x;
+		this.y = y;
+		this.z = z;
+		this.w = w;
+	}
+
+	static fromObject(object: Vector4Object): Vector4 {
+		return new Vector4(object.x, object.y, object.z, object.w);
+	}
+
+	static fromTuple(tuple: Vector4Tuple): Vector4 {
+		return new Vector4(...tuple);
+	}
+
+	static zero(): Vector4 {
+		return new Vector4(0, 0, 0, 0);
+	}
+
+	static one(): Vector4 {
+		return new Vector4(1, 1, 1, 1);
+	}
+
+	set(x: number, y: number, z: number, w: number): Vector4 {
+		this.x = x;
+		this.y = y;
+		this.z = z;
+		this.w = w;
+		return this;
+	}
+
+	setObject(object: Vector4Object): Vector4 {
+		this.x = object.x;
+		this.y = object.y;
+		this.z = object.z;
+		this.w = object.w;
+		return this;
+	}
+
+	setTuple(tuple: Vector4Tuple): Vector4 {
+		this.x = tuple[0];
+		this.y = tuple[1];
+		this.z = tuple[2];
+		this.w = tuple[3];
+		return this;
+	}
+
+	setZero(): Vector4 {
+		this.x = 0;
+		this.y = 0;
+		this.z = 0;
+		this.w = 0;
+		return this;
+	}
+
+	setOne(): Vector4 {
+		this.x = 1;
+		this.y = 1;
+		this.z = 1;
+		this.w = 1;
+		return this;
+	}
+
+	setX(x: number): Vector4 {
+		this.x = x;
+		return this;
+	}
+
+	setY(y: number): Vector4 {
+		this.y = y;
+		return this;
+	}
+
+	setZ(z: number): Vector4 {
+		this.z = z;
+		return this;
+	}
+
+	setW(w: number): Vector4 {
+		this.w = w;
+		return this;
+	}
+}
+
+Object.defineProperty(Vector4.prototype, "type", { value: "Vector4" });
+
+export function isVector4(value: unknown): value is Vector4 {
+	return Boolean(value) && (value as Vector4).type === "Vector4";
+}