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Vector2i.cs
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Vector2i.cs
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using System.Diagnostics.CodeAnalysis;
using System.Diagnostics.Contracts;
using System.Numerics;
namespace GOL;
[System.Serializable]
public struct Vector2i : IEquatable<Vector2i> {
public int X;
public int Y;
// Constructors
public Vector2i(int value) {
X = value;
Y = value;
}
public Vector2i(int x, int y) {
X = x;
Y = y;
}
public Vector2i(Vector2 vec2) {
X = (int)vec2.X;
Y = (int)vec2.Y;
}
// Access
public int this[int index] {
get {
if (index == 0) return X;
if (index == 1) return Y;
throw new IndexOutOfRangeException("Tried to access this Vector2i at index: " + index);
}
set {
if (index == 0) {
X = value;
} else if (index == 1) {
Y = value;
} else {
throw new IndexOutOfRangeException("Tried to set this Vector2i at index: " + index);
}
}
}
// Distance
public int ManhattanDistance => Math.Abs(X) + Math.Abs(Y);
public int EuclideanDistance => (int)Math.Sqrt((X * X) + (Y * Y));
// Zero / One
public static readonly Vector2i Zero = new Vector2i(0, 0);
public static readonly Vector2i One = new Vector2i(1, 1);
////
//Basic Math
// Add
public static Vector2i Add(Vector2i a, Vector2i b) {
a.X += b.X;
a.Y += b.Y;
return a;
}
public static Vector2i Add(Vector2i vec, int n) {
vec.X += n;
vec.Y += n;
return vec;
}
// Subtract
public static Vector2i Subtract(Vector2i a, Vector2i b) {
a.X -= b.X;
a.Y -= b.Y;
return a;
}
public static Vector2i Subtract(Vector2i vec, int n) {
vec.X -= n;
vec.Y -= n;
return vec;
}
// Multiply
public static Vector2i Multiply(Vector2i a, Vector2i b) {
a.X *= b.X;
a.Y *= b.Y;
return a;
}
public static Vector2i Multiply(Vector2i vec, int n) {
vec.X *= n;
vec.Y *= n;
return vec;
}
// Divide
public static Vector2i Divide(Vector2i a, Vector2i b) {
a.X /= b.X;
a.Y /= b.Y;
return a;
}
public static Vector2i Divide(Vector2i vec, int n) {
vec.X /= n;
vec.Y /= n;
return vec;
}
// Clamp
public static Vector2i Clamp(Vector2i vec, int min, int max) {
vec.X = Math.Clamp(vec.X, min, max);
vec.Y = Math.Clamp(vec.Y, min, max);
return vec;
}
public static Vector2i ClampX(Vector2i vec, int min, int max) {
vec.X = Math.Clamp(vec.X, min, max);
return vec;
}
public static Vector2i ClampY(Vector2i vec, int min, int max) {
vec.Y = Math.Clamp(vec.Y, min, max);
return vec;
}
///
// Operator Math
// Add
[Pure]
public static Vector2i operator +(Vector2i left, Vector2i right) {
left.X += right.X;
left.Y += right.Y;
return left;
}
// Subtract
[Pure]
public static Vector2i operator -(Vector2i left, Vector2i right) {
left.X -= right.X;
left.Y -= right.Y;
return left;
}
// Multiply
[Pure]
public static Vector2i operator *(Vector2i left, Vector2i right) {
left.X *= right.X;
left.Y *= right.Y;
return left;
}
[Pure]
public static Vector2i operator *(Vector2i vec, int scale) {
vec.X *= scale;
vec.Y *= scale;
return vec;
}
// Divide
[Pure]
public static Vector2i operator /(Vector2i left, Vector2i right) {
left.X /= right.X;
left.Y /= right.Y;
return left;
}
[Pure]
public static Vector2i operator /(Vector2i vec, int scale) {
vec.X /= scale;
vec.Y /= scale;
return vec;
}
// Negate
[Pure]
public static Vector2i operator -(Vector2i vec) {
vec.X = -vec.X;
vec.Y = -vec.Y;
return vec;
}
// Equals
public static bool operator ==(Vector2i left, Vector2i right) {
return left.Equals(right);
}
public static bool operator !=(Vector2i left, Vector2i right) {
return !(left == right);
}
////
// Overrides + Other
public override string ToString() {
return string.Format("({0}, {1})", X, Y);
}
public override bool Equals([NotNullWhen(true)] object? obj) {
return obj is Vector2i && base.Equals(obj);
}
public override int GetHashCode() {
return HashCode.Combine(X, Y);
}
public bool Equals(Vector2i other) {
return X == other.X && Y == other.Y;
}
public Vector2 ToVector2() {
return new Vector2(X, Y);
}
}