Rename .NET folder to DotNet

DotNet/Unity/Vector, Tranfrorm, Space.md

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+# Vector, Tranfrorm, Space
+
+## Vector2, Vector3, Vector4
+
+[Vector3 Docs](https://docs.unity3d.com/ScriptReference/Vector3.html)
+
+Used to store positions, velocities and directions.
+
+Magnitude = `sqrt(Math.pow(x, 2) + Math.pow(y, 2))`
+Direction = `(x / Magnitude, y / Magnitude)`
+
+The direction is calculated by normalizing the vector to make it become a unit vector (*versor*).
+
+```cs
+Vector3.x  // x coord of vector
+Vector3.y  // x coord of vector
+Vector3.z  // x coord of vector
+
+Vector3.magnitude
+Vector3.normalized
+
+Vector3.up // Vector3(0, 1, 0)
+Vector3.down // Vector3(0, -1, 0)
+Vector3.left // Vector3(-1, 0, 0)
+Vector3.right // Vector3(1, 0, 0)
+Vector3.forward // Vector3(0, 0, 1)
+Vector3.back // Vector3(0, 0, -1)
+Vector3.one // Vector3(1, 1, 1)
+Vector3.zero // Vector3(0, 0, 0)
+Vector3.one // Vector3(1, 1, 1)
+```
+
+### Operations
+
+```cs
+Vector3(x, y, z) * n = Vecotr3(xn, yn, yz);
+Vector3(x, y, z) / n = Vecotr3(x / n, y / n, y / z);
+
+Vector3(x1, y1, z1) + Vector3(x2, y2, z2) = Vector3(x1 + x2, y1 + y2, z1 + z2);
+Vector3(x1, y1, z1) - Vector3(x2, y2, z2) = Vector3(x1 - x2, y1 - y2, z1 - z2);
+
+Quaternion.Euler(Vector3)  // convert a Vector3 to a Quaternion
+```
+
+### Movement
+
+Speed = value m/s
+Velocity = Direction * Speed
+
+MovementInFrame = Speed * timeSinceLastFrame
+
+## Transform
+
+[Transform Docs](https://docs.unity3d.com/ScriptReference/Transform.html)
+
+```cs
+// propetries
+transfrom.position // Vector3 - global position
+transfrom.localPosition // Vector3 - local position
+transform.rotation  // Quaternion - global rotation
+transfrom.parent  // Transform - parent of the object
+
+transform.localScale = Vector3;  // set object dimensions
+
+// methods
+transform.Rotate(Vector3 * Time.deltaTime * speed, Space);  // set rotation using vectors in selected space (Space.Self or Space.World)
+transform.Translate(Vector3 * Time.deltaTime * speed, Space);  // set movement in selected space
+```
+
+### Local, GLobal & Object Spcace
+
+**Local Space**: Applies transformation relative to the *local* coordinate system (`Space.Self`).
+**Global Space**: Applies transformation relative to the *world* coordinate system (`Space.World`)
+
+### Parenting
+
+Changing the parent will make position, scale and rotation of the child object retalive to the parent but keep the world space's position, rotation and scale the same.
+
+Setting the parentele by script:
+
+```cs
+public class ParentScript : MonoBehaviour {
+    public Transform childTransform;  // reference to the child object transfrom
+
+    childTrandform.parent = transfrom;  // when evaluated at runtime sets current object as parent of another
+}
+```