crown-engine/tools/core/math/vector4.vala

/*
 * Copyright (c) 2012-2017 Daniele Bartolini and individual contributors.
 * License: https://github.com/dbartolini/crown/blob/master/LICENSE
 */

using Gee;

namespace Crown
{
	public struct Vector4
	{
		public double x;
		public double y;
		public double z;
		public double w;

		public Vector4(double x, double y, double z, double w)
		{
			this.x = x;
			this.y = y;
			this.z = z;
			this.w = w;
		}

		public Vector4.from_array(ArrayList<Value?> arr)
		{
			this.x = (double)arr[0];
			this.y = (double)arr[1];
			this.z = (double)arr[2];
			this.w = (double)arr[3];
		}

		public ArrayList<Value?> to_array()
		{
			ArrayList<Value?> arr = new	ArrayList<Value?>();
			arr.add(this.x);
			arr.add(this.y);
			arr.add(this.z);
			arr.add(this.w);
			return arr;
		}

		public string to_string()
		{
			return "%f, %f, %f, %f".printf(x, y, z, w);
		}
	}

	const Vector4 VECTOR4_ZERO = { 0.0, 0.0, 0.0, 0.0 };
	const Vector4 VECTOR4_ONE  = { 1.0, 1.0, 1.0, 1.0 };
}