Quaternion.Euler behaving not as expected in dots

Hi,


I want to rotate my entites to a 45/45/45 Degree angle. I see that quaterion.Euler(x,y,z) expects the value as Radian (which should be 0,785398), but the rotation pretty off. If i rotate a gameobject cube to 45,45,45 in unity it looks as expected.

Iam not sure if i am in the correct forum or not, but i guess its fine since iam using the new mathematics library.

Why is quaternion.EulerXYZ(45,45,45) or quaternion.EulerXYZ(0.785398,0.785398,0.785398) not working?

 

It works fine. Show your code.

 

UnityEngine.Quaternion.Euler is ZXY, not XYZ.
Docs: https://docs.unity3d.com/ScriptReference/Quaternion.Euler.html

 

EDIT: looks like i dont know how quaternions work Its fine now.. it appears that euler angles 45,45,45, is in quaternion:
quaternion.EulerXYZ(0.785398f,0,0.785398f);

Sorry for the late answer!

here are my attempts:

//var angle = Quaternion.Euler(45, 45, 45);
//var angle = quaternion.EulerXYZ(45,45,45);
var angle = quaternion.EulerXYZ(0.785398f, 0.785398f, 0.785398f);

Iam not a fan of posting the whole code, but in this case it looks like iam doing something wrong but i cant pinpoint it anywhere... here is the code where iam creating the object.

PS: this code is nowhere near refactored

Code (CSharp):

1. using Assets.Others.Utils;
2. using Assets.Structs;
3. using Assets.Systems;
4. using Unity.Collections;
5. using Unity.Entities;
6. using Unity.Mathematics;
7. using Unity.Transforms;
8. using UnityEngine;
9.  
10. namespace Assets.Classes
11. {
12.     public class VegetationFirTree : VegetationBase
13.     {
14.  
15.         public override int ObjectCount => 4;
16.         public float Height { get; set; }
17.  
18.         public VegetationFirTree(float2 position, int world)
19.         {
20.             Position = position;
21.             CreateInWorld = world;
22.             Height = UnityEngine.Random.Range(10, 15);
23.         }
24.  
25.         public override int Create(int parentIndex, NativeArray<Entity> parentEntityArray, int cubeIndex, NativeArray<Entity> cubeArray,
26.                                    EntityManager manager)
27.         {
28.             var parentEntity = parentEntityArray[parentIndex];
29.             var lerpableComponent = new Lerpable(LerpTime, LerpGoal);
30.  
31.             var treeComponent = new FirTree
32.             {
33.                 CreatedInWorld = CreateInWorld,
34.                 Height = Height,
35.  
36.                 Trunk = cubeArray[cubeIndex],
37.                 LeafTop = cubeArray[cubeIndex + 1],
38.                 LeafMiddle = cubeArray[cubeIndex + 2],
39.                 LeafBottom = cubeArray[cubeIndex + 3]
40.             };
41.  
42.             var trunkScaleValue = new float3(0.4f, treeComponent.Height, 0.4f);
43.             var trunkScaleComponent = new NonUniformScale() {Value = trunkScaleValue * LerpTime};
44.             var trunkPosition = new float3(0, treeComponent.Height * 0.5f, 0);
45.             var trunkLerpDataComponent = new LerpDataContainer
46.             {
47.                 ScaleValue = trunkScaleValue,
48.                 TranslationValue = trunkPosition
49.             };
50.  
51.             var leafBottomScaleComponent = new Scale {Value = 4 * LerpTime};
52.             var leafMiddleScaleComponent = new Scale {Value = 3 * LerpTime};
53.             var leafTopScaleComponent = new Scale {Value = 2 * LerpTime};
54.  
55.             var leafBottomPosition = new float3(0, treeComponent.Height * 0.6f + 1, 0);
56.             var leafMiddlePosition = new float3(0, treeComponent.Height * 0.8f + 1, 0);
57.             var leafTopPosition = new float3(0, treeComponent.Height + 1, 0);
58.  
59.             var leafBottomHeightComponent = new Translation {Value = leafBottomPosition * LerpTime};
60.             var leafMiddleHeightComponent = new Translation {Value = leafMiddlePosition * LerpTime};
61.             var leafTopHeightComponent = new Translation {Value = leafTopPosition * LerpTime};
62.  
63.             var leafBottomLerpDataComponent = new LerpDataContainer
64.             {
65.                 ScaleValue = new float3(4, 4, 4),
66.                 TranslationValue = leafBottomPosition
67.             };
68.             var leafMiddleLerpDataComponent = new LerpDataContainer
69.             {
70.                 ScaleValue = new float3(3, 3, 3),
71.                 TranslationValue = leafMiddlePosition
72.             };
73.             var leafTopLerpDataComponent = new LerpDataContainer
74.             {
75.                 ScaleValue = new float3(2, 2, 2),
76.                 TranslationValue = leafTopPosition
77.             };
78.  
79.             float groundHeight;
80.             if (LerpSystem.IsLerping)
81.             {
82.                 groundHeight = DataGenerator.GetHeightBetweenWorlds(Position, WorldManager.Instance.CurrentWorld,
83.                     WorldManager.Instance.NextWorld, LerpTime) * WorldManager.Instance.MeshScale;
84.             }
85.             else
86.             {
87.                 groundHeight = DataGenerator.GetHeight(Position, WorldManager.Instance.CurrentWorld) * WorldManager.Instance.MeshScale;
88.             }
89.  
90.             var groundPosition = new float3(Position.x, groundHeight, Position.y);
91.  
92.             //trunk
93.             manager.AddComponentData(treeComponent.Trunk, trunkScaleComponent);
94.             manager.AddComponentData(treeComponent.Trunk, lerpableComponent);
95.             manager.AddComponentData(treeComponent.Trunk, trunkLerpDataComponent);
96.             manager.SetComponentData(treeComponent.Trunk, new Translation {Value = trunkPosition * LerpTime});
97.             manager.AddComponentData(treeComponent.Trunk, new Parent {Value = parentEntity});
98.             manager.AddComponentData(treeComponent.Trunk, new LocalToParent());
99.  
100.             //var angle = Quaternion.Euler(45, 45, 45);
101.             //var angle = quaternion.EulerXYZ(45,45,45);
102.             var angle = quaternion.EulerXYZ(0.785398f, 0.785398f, 0.785398f);
103.          
104.             //leafTop
105.             manager.AddComponentData(treeComponent.LeafTop, leafTopScaleComponent);
106.             manager.AddComponentData(treeComponent.LeafTop, leafTopLerpDataComponent);
107.             manager.AddComponentData(treeComponent.LeafTop, lerpableComponent);
108.             manager.SetComponentData(treeComponent.LeafTop, leafTopHeightComponent);
109.             manager.AddComponentData(treeComponent.LeafTop, new Parent {Value = parentEntity});
110.             manager.AddComponentData(treeComponent.LeafTop, new LocalToParent());
111.             manager.SetComponentData(treeComponent.LeafTop, new Rotation {Value = angle});
112.  
113.             //leafBottom
114.             manager.AddComponentData(treeComponent.LeafBottom, leafBottomScaleComponent);
115.             manager.AddComponentData(treeComponent.LeafBottom, leafBottomLerpDataComponent);
116.             manager.AddComponentData(treeComponent.LeafBottom, lerpableComponent);
117.             manager.SetComponentData(treeComponent.LeafBottom, leafBottomHeightComponent);
118.             manager.AddComponentData(treeComponent.LeafBottom, new Parent {Value = parentEntity});
119.             manager.AddComponentData(treeComponent.LeafBottom, new LocalToParent());
120.             manager.SetComponentData(treeComponent.LeafBottom, new Rotation {Value = angle});
121.  
122.             //leafMiddle
123.             manager.AddComponentData(treeComponent.LeafMiddle, leafMiddleScaleComponent);
124.             manager.AddComponentData(treeComponent.LeafMiddle, leafMiddleLerpDataComponent);
125.             manager.AddComponentData(treeComponent.LeafMiddle, lerpableComponent);
126.             manager.SetComponentData(treeComponent.LeafMiddle, leafMiddleHeightComponent);
127.             manager.AddComponentData(treeComponent.LeafMiddle, new Parent {Value = parentEntity});
128.             manager.AddComponentData(treeComponent.LeafMiddle, new LocalToParent());
129.             manager.SetComponentData(treeComponent.LeafMiddle, new Rotation {Value = angle});
130.  
131.             //parent
132.             manager.AddComponentData(parentEntity, treeComponent);
133.             manager.AddComponentData(parentEntity, lerpableComponent);
134.             manager.SetComponentData(parentEntity, new PlanePosition(Position));
135.             manager.SetComponentData(parentEntity, new Translation {Value = groundPosition});
136.  
137.             return ObjectCount;
138.         }
139.  
140.     }
141. }