An open source Danmaku development kit for Unity3D.
Small optimizations
+410
-17
+1
Assets/DanmakuPoolTest.cs
+1
Assets/DanmakuPoolTest.cs
+337
-1
Assets/Test Scene.unity
+337
-1
Assets/Test Scene.unity
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+59
-12
Assets/src/Core/DanmakuCollider.cs
+59
-12
Assets/src/Core/DanmakuCollider.cs
···
7
7
8
8
public class DanmakuCollider : MonoBehaviour {
9
9
10
+
struct ColliderData {
11
+
public Bounds Bounds;
12
+
public int LayerMask;
13
+
}
14
+
10
15
static readonly List<DanmakuCollider> Colliders;
16
+
static readonly List<Bounds>[] Data;
17
+
static Bounds GlobalBounds;
18
+
static int GlobalLayerMask;
19
+
static int HighestLayer;
11
20
12
21
static DanmakuCollider() {
13
22
Colliders = new List<DanmakuCollider>();
23
+
Data = new List<Bounds>[sizeof(int) * 8];
24
+
for (var i = 0; i < Data.Length; i++) {
25
+
Data[i] = new List<Bounds>();
26
+
}
14
27
}
15
28
16
29
public static int ColliderCount => Colliders.Count;
17
30
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+
public static void RebuildSpatialHashes() {
32
+
for (var i = 0; i < Data.Length; i++) {
33
+
Data[i].Clear();
34
+
}
35
+
GlobalLayerMask = 0;
36
+
HighestLayer = -1;
37
+
bool globalInit = false;
38
+
foreach (var collider in Colliders) {
39
+
if (collider != null && collider.isActiveAndEnabled) {
40
+
var layer = collider.gameObject.layer;
41
+
Data[layer].Add(collider.data.Bounds);
42
+
GlobalLayerMask |= 1 << layer;
43
+
HighestLayer = Mathf.Max(layer + 1, HighestLayer);
44
+
if (globalInit) {
45
+
GlobalBounds.Encapsulate(collider.data.Bounds);
46
+
} else {
47
+
GlobalBounds = collider.data.Bounds;
48
+
globalInit = true;
49
+
}
50
+
}
51
+
}
52
+
var center = GlobalBounds.center;
53
+
center.z = 0;
54
+
GlobalBounds.center = center;
55
+
}
56
+
18
57
Collider2D[] colliders;
19
-
Bounds totalBounds;
20
-
int layerMask;
58
+
ColliderData data;
21
59
22
60
/// <summary>
23
61
/// Awake is called when the script instance is being loaded.
24
62
/// </summary>
25
63
void Awake() {
26
-
colliders = GetComponentsInChildren<Collider2D>();
27
-
totalBounds = BuildBounds();
64
+
colliders = GetComponents<Collider2D>();
65
+
data = BuildData();
28
66
}
29
67
30
68
/// <summary>
···
41
79
/// This function is called every fixed framerate frame, if the MonoBehaviour is enabled.
42
80
/// </summary>
43
81
void FixedUpdate() {
44
-
totalBounds = BuildBounds();
45
-
layerMask = 1 << gameObject.layer;
82
+
data = BuildData();
46
83
}
47
84
48
85
internal static int TestCollisions(Bounds bounds) {
86
+
if (!GlobalBounds.Intersects(bounds)) return 0;
49
87
int collisions = 0;
50
-
foreach (var collider in Colliders) {
51
-
if (!collider.totalBounds.Intersects(bounds)) continue;
52
-
collisions |= collider.layerMask;
88
+
for (var i = 0; i < HighestLayer; i++) {
89
+
var mask = 1 << i;
90
+
if ((GlobalLayerMask & mask) == 0) continue;
91
+
var layerColliders = Data[i];
92
+
for (var j = 0; j < layerColliders.Count; j++) {
93
+
if (!layerColliders[j].Intersects(bounds)) continue;
94
+
collisions |= mask;
95
+
break;
96
+
}
53
97
}
54
98
return collisions;
55
99
}
56
100
57
-
public Bounds BuildBounds() {
101
+
ColliderData BuildData() {
58
102
Bounds? bounds = null;
59
103
foreach (var collider in colliders) {
60
104
if (collider != null && collider.enabled && collider.gameObject.activeInHierarchy) {
···
67
111
}
68
112
var fullBounds = bounds ?? new Bounds(transform.position, Vector3.zero);
69
113
var extents = fullBounds.extents;
70
-
extents.z = float.PositiveInfinity;
114
+
extents.z = float.MaxValue;
71
115
fullBounds.extents = extents;
72
-
return fullBounds;
116
+
return new ColliderData {
117
+
Bounds = fullBounds,
118
+
LayerMask = 1 << gameObject.layer
119
+
};
73
120
}
74
121
75
122
}
+12
-3
Assets/src/Core/Jobs/MoveDanmaku.cs
+12
-3
Assets/src/Core/Jobs/MoveDanmaku.cs
···
18
18
19
19
public void Execute(int index) {
20
20
var rotation = (Rotations[index] + AngularSpeeds[index] * DeltaTime) % (Mathf.PI * 2);
21
-
var position = Positions[index] + (Speeds[index] * RotationUtil.ToUnitVector(rotation) * DeltaTime);
21
+
var direction = RotationUtil.ToUnitVector(rotation);
22
+
var position = Positions[index] + (Speeds[index] * direction * DeltaTime);
22
23
23
-
var rotationQuat = Quaternion.Euler(0, 0, rotation * Mathf.Rad2Deg);
24
+
var transform = new Matrix4x4();
25
+
transform[0, 0] = direction.x;
26
+
transform[0, 1] = -direction.y;
27
+
transform[1, 0] = direction.y;
28
+
transform[1, 1] = direction.x;
29
+
transform[2, 2] = 1.0f;
30
+
transform[3, 3] = 1;
31
+
transform[0, 3] = position.x;
32
+
transform[1, 3] = position.y;
24
33
25
34
Times[index] += DeltaTime;
26
-
Transforms[index] = Matrix4x4.TRS(position, rotationQuat, Vector3.one);
35
+
Transforms[index] = transform;
27
36
Positions[index] = position;
28
37
Rotations[index] = rotation;
29
38
}