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Fix tornado coordinate system orientation

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Was treating z as up but Unity uses y
This commit is contained in:
Nick 2022-05-22 18:04:40 -04:00
parent ea38c9342f
commit 2855eab875
1 changed files with 8 additions and 5 deletions
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13
NewHorizons/Components/NHTornadoWanderController.cs
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@ -1,4 +1,4 @@
using UnityEngine; using UnityEngine;
using Random = UnityEngine.Random; using Random = UnityEngine.Random;
namespace NewHorizons.Components namespace NewHorizons.Components
{ {
@ -19,14 +19,17 @@ namespace NewHorizons.Components
{ {
noiseOffset = Random.value; noiseOffset = Random.value;
// In unity z and y are swapped compared to proper math stuff
var x = transform.localPosition.x; var x = transform.localPosition.x;
var y = transform.localPosition.y; var y = transform.localPosition.y;
var z = transform.localPosition.z; var z = transform.localPosition.z;
elevation = Mathf.Sqrt(x * x + y * y + z * z); elevation = Mathf.Sqrt(x * x + y * y + z * z);
startDegreesX = Mathf.Rad2Deg * Mathf.Atan2(y, x); //theta // I'm using the math notation not physics
startDegreesZ = Mathf.Rad2Deg * Mathf.Acos(z / elevation); //phi startDegreesX = Mathf.Rad2Deg * Mathf.Atan2(z, x); //theta (around the polar axis)
startDegreesZ = Mathf.Rad2Deg * Mathf.Acos(y / elevation); //phi (down from the polar axis)
} }
public void Update() public void Update()
@ -38,8 +41,8 @@ namespace NewHorizons.Components
var newDegreesZ = startDegreesZ + num2 * wanderDegreesZ; var newDegreesZ = startDegreesZ + num2 * wanderDegreesZ;
var newX = elevation * Mathf.Sin(Mathf.Deg2Rad * newDegreesZ) * Mathf.Cos(Mathf.Deg2Rad * newDegreesX); var newX = elevation * Mathf.Sin(Mathf.Deg2Rad * newDegreesZ) * Mathf.Cos(Mathf.Deg2Rad * newDegreesX);
var newY = elevation * Mathf.Sin(Mathf.Deg2Rad * newDegreesZ) * Mathf.Sin(Mathf.Deg2Rad * newDegreesX); var newZ = elevation * Mathf.Sin(Mathf.Deg2Rad * newDegreesZ) * Mathf.Sin(Mathf.Deg2Rad * newDegreesX);
var newZ = elevation * Mathf.Cos(Mathf.Deg2Rad * newDegreesZ); var newY = elevation * Mathf.Cos(Mathf.Deg2Rad * newDegreesZ);
var newPos = new Vector3(newX, newY, newZ); var newPos = new Vector3(newX, newY, newZ);