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ECM2

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BobSong
2025-05-16 23:31:59 +08:00
parent 9e4fef3f1e
commit d891e3f0ee
1198 changed files with 274242 additions and 1558 deletions
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Assets/VolumetricLightBeam/Scripts/Utils.cs Normal file
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using System;
using UnityEngine;
namespace VLB
{
public static class Utils
{
public static float ComputeConeRadiusEnd(float fallOffEnd, float spotAngle)
{
return fallOffEnd * Mathf.Tan(spotAngle * Mathf.Deg2Rad * 0.5f);
}
public static float ComputeSpotAngle(float fallOffEnd, float coneRadiusEnd)
{
return Mathf.Atan2(coneRadiusEnd, fallOffEnd) * Mathf.Rad2Deg * 2.0f;
}
public static void Swap<T>(ref T a, ref T b)
{
var temp = a;
a = b;
b = temp;
}
public static void ResizeArray<T>(ref T[] array, int newSize)
{
System.Array.Resize<T>(ref array, newSize);
}
public static bool IsValidIndex<T>(this T[] array, int idx)
{
return idx >= 0 && idx < array.Length;
}
public static string GetPath(Transform current)
{
if (current.parent == null)
return "/" + current.name;
return GetPath(current.parent) + "/" + current.name;
}
public static T NewWithComponent<T>(string name) where T : Component
{
return (new GameObject(name, typeof(T))).GetComponent<T>();
}
public static T GetOrAddComponent<T>(this GameObject self) where T : Component
{
var component = self.GetComponent<T>();
if (component == null)
component = self.AddComponent<T>();
return component;
}
public static T GetOrAddComponent<T>(this MonoBehaviour self) where T : Component
{
return self.gameObject.GetOrAddComponent<T>();
}
// Call the function for each component placed on any children (every depth), but not on itself
public static void ForeachComponentsInAnyChildrenOnly<T>(this GameObject self, Action<T> lambda, bool includeInactive = false) where T : Component
{
var components = self.GetComponentsInChildren<T>(includeInactive);
foreach (var comp in components)
{
if (comp.gameObject != self)
{
lambda(comp);
}
}
}
// Call the function for each component placed on any direct children on this GameObject
public static void ForeachComponentsInDirectChildrenOnly<T>(this GameObject self, Action<T> lambda, bool includeInactive = false) where T : Component
{
var components = self.GetComponentsInChildren<T>(includeInactive);
foreach (var comp in components)
{
if (comp.transform.parent == self.transform)
{
lambda(comp);
}
}
}
public static void SetupDepthCamera(Camera depthCamera
, float coneApexOffsetZ, float maxGeometryDistance, float coneRadiusStart, float coneRadiusEnd
, Vector3 beamLocalForward, Vector3 lossyScale, bool isScalable, Quaternion beamInternalLocalRotation
, bool shouldScaleMinNearClipPlane)
{
Debug.Assert(depthCamera);
if(!isScalable)
lossyScale.x = lossyScale.y = 1.0f;
float apexDist = coneApexOffsetZ;
bool isPersp = apexDist >= 0.0f;
apexDist = Mathf.Max(apexDist, 0.0f);
depthCamera.orthographic = !isPersp;
depthCamera.transform.localPosition = beamLocalForward * (-apexDist);
var localRot = beamInternalLocalRotation;
if (Mathf.Sign(lossyScale.z) < 0f) localRot *= Quaternion.Euler(0f, 180f, 0f);
depthCamera.transform.localRotation = localRot;
if (!Mathf.Approximately(lossyScale.y * lossyScale.z, 0))
{
float kMinNearClipPlane = isPersp ? 0.1f : 0.0f; // should be the same than in shader
float absScaleZ = Mathf.Abs(lossyScale.z);
depthCamera.nearClipPlane = Mathf.Max(apexDist * absScaleZ, kMinNearClipPlane * (shouldScaleMinNearClipPlane ? absScaleZ : 1.0f));
depthCamera.farClipPlane = (maxGeometryDistance + apexDist * (isScalable ? 1 : absScaleZ)) * (isScalable ? absScaleZ : 1);
depthCamera.aspect = Mathf.Abs(lossyScale.x / lossyScale.y);
if (isPersp)
{
float fov = Mathf.Atan2(coneRadiusEnd * Mathf.Abs(lossyScale.y), depthCamera.farClipPlane) * Mathf.Rad2Deg * 2.0f;
Debug.Assert(fov < 180.0f);
depthCamera.fieldOfView = fov;
}
else
{
depthCamera.orthographicSize = coneRadiusStart * lossyScale.y;
}
}
}
/// <summary>
/// true if the bit field or bit fields that are set in flags are also set in the current instance; otherwise, false.
/// </summary>
public static bool HasFlag(this Enum mask, Enum flags) // Same behavior than Enum.HasFlag is .NET 4
{
#if DEBUG
if (mask.GetType() != flags.GetType())
throw new System.ArgumentException(string.Format("The argument type, '{0}', is not the same as the enum type '{1}'.", flags.GetType(), mask.GetType()));
#endif
return ((int)(IConvertible)mask & (int)(IConvertible)flags) == (int)(IConvertible)flags;
}
/// <summary>
/// Returns this vector divided by the vector passed as argument
/// </summary>
public static Vector3 Divide(this Vector3 aVector, Vector3 scale)
{
if(Mathf.Approximately(scale.x * scale.y * scale.z, 0.0f))
return Vector3.zero;
return new Vector3(aVector.x / scale.x, aVector.y / scale.y, aVector.z / scale.z);
}
public static Vector2 xy(this Vector3 aVector) { return new Vector2(aVector.x, aVector.y); }
public static Vector2 xz(this Vector3 aVector) { return new Vector2(aVector.x, aVector.z); }
public static Vector2 yz(this Vector3 aVector) { return new Vector2(aVector.y, aVector.z); }
public static Vector2 yx(this Vector3 aVector) { return new Vector2(aVector.y, aVector.x); }
public static Vector2 zx(this Vector3 aVector) { return new Vector2(aVector.z, aVector.x); }
public static Vector2 zy(this Vector3 aVector) { return new Vector2(aVector.z, aVector.y); }
const float kEpsilon = 0.00001f;
public static bool Approximately(this float a, float b, float epsilon = kEpsilon) { return Mathf.Abs(a - b) < epsilon; }
public static bool Approximately(this Vector2 a, Vector2 b, float epsilon = kEpsilon) { return Vector2.SqrMagnitude(a - b) < epsilon; }
public static bool Approximately(this Vector3 a, Vector3 b, float epsilon = kEpsilon) { return Vector3.SqrMagnitude(a - b) < epsilon; }
public static bool Approximately(this Vector4 a, Vector4 b, float epsilon = kEpsilon) { return Vector4.SqrMagnitude(a - b) < epsilon; }
public static Vector4 AsVector4(this Vector3 vec3, float w) { return new Vector4(vec3.x, vec3.y, vec3.z, w); }
public static Vector4 PlaneEquation(Vector3 normalizedNormal, Vector3 pt) { return normalizedNormal.AsVector4(-Vector3.Dot(normalizedNormal, pt)); }
public static float GetVolumeCubic(this Bounds self) { return self.size.x * self.size.y * self.size.z; }
public static float GetMaxArea2D(this Bounds self) { return Mathf.Max(Mathf.Max(self.size.x * self.size.y, self.size.y * self.size.z), self.size.x * self.size.z); }
public static Color Opaque(this Color self) { return new Color(self.r, self.g, self.b, 1f); }
public static Color ComputeComplementaryColor(this Color self, bool blackAndWhite)
{
float offset = 0.5f;
Color outColor = Color.white;
for(int i = 0; i<3; ++i)
{
outColor[i] = self[i] + (self[i] < (1 - offset) ? offset : -offset);
}
return outColor;
}
#if UNITY_EDITOR
public static void GizmosDrawPlane(Vector3 normal, Vector3 position, Color color, Matrix4x4 mat, float size = 1f, float normalLength = 0.0f)
{
normal = normal.normalized;
var prevMat = UnityEditor.Handles.matrix;
var prevColor = UnityEditor.Handles.color;
UnityEditor.Handles.matrix = mat;
UnityEditor.Handles.color = color;
UnityEditor.Handles.RectangleHandleCap(0, position, Quaternion.LookRotation(normal), size, EventType.Repaint);
if (normalLength > 0.0f)
{
UnityEditor.Handles.DrawLine(position, position + normal * normalLength);
UnityEditor.Handles.ConeHandleCap(0, position + normal * normalLength, Quaternion.LookRotation(normal), normalLength * 0.25f, EventType.Repaint);
}
UnityEditor.Handles.matrix = prevMat;
UnityEditor.Handles.color = prevColor;
}
#endif // UNITY_EDITOR
// Plane.Translate is not available in Unity 5
public static Plane TranslateCustom(this Plane plane, Vector3 translation)
{
plane.distance += Vector3.Dot(translation.normalized, plane.normal) * translation.magnitude;
return plane;
}
// Plane.ClosestPointOnPlaneCustom is not available in Unity 5
public static Vector3 ClosestPointOnPlaneCustom(this Plane plane, Vector3 point)
{
return point - plane.GetDistanceToPoint(point) * plane.normal;
}
public static bool IsAlmostZero(float f) { return Mathf.Abs(f) < 0.001f; }
public static bool IsValid(this Plane plane)
{
return plane.normal.sqrMagnitude > 0.5f;
}
public static void SetKeywordEnabled(this Material mat, string name, bool enabled)
{
if(enabled) mat.EnableKeyword(name);
else mat.DisableKeyword(name);
}
public static void SetShaderKeywordEnabled(string name, bool enabled)
{
if (enabled) Shader.EnableKeyword(name);
else Shader.DisableKeyword(name);
}
public static Matrix4x4 SampleInMatrix(this Gradient self, int floatPackingPrecision)
{
const int kSamplesCount = 16;
var mat = new Matrix4x4();
for (int i = 0; i < kSamplesCount; ++i)
{
var color = self.Evaluate(Mathf.Clamp01((float)(i) / (kSamplesCount - 1)));
mat[i] = color.PackToFloat(floatPackingPrecision);
}
return mat;
}
public static Color[] SampleInArray(this Gradient self, int samplesCount)
{
var array = new Color[samplesCount];
for (int i = 0; i < samplesCount; ++i)
array[i] = self.Evaluate(Mathf.Clamp01((float)(i) / (samplesCount - 1)));
return array;
}
static Vector4 Vector4_Floor(Vector4 vec) { return new Vector4(Mathf.Floor(vec.x), Mathf.Floor(vec.y), Mathf.Floor(vec.z), Mathf.Floor(vec.w)); }
public static float PackToFloat(this Color color, int floatPackingPrecision)
{
Vector4 iVal = Vector4_Floor(color * (floatPackingPrecision - 1));
float output = 0;
output += iVal.x * floatPackingPrecision * floatPackingPrecision * floatPackingPrecision;
output += iVal.y * floatPackingPrecision * floatPackingPrecision;
output += iVal.z * floatPackingPrecision;
output += iVal.w;
return output;
}
public enum FloatPackingPrecision { High = 64, Low = 8, Undef = 0 }
static FloatPackingPrecision ms_FloatPackingPrecision = FloatPackingPrecision.Undef;
// OpenGL ES 2.0 GPU (graphicsShaderLevel = 30) usually have low float precision (16 bits on fragments)
// So we lower the float packing precision on them (8 seems fine on Adreno (TM) 220, NVIDIA Tegra 3 and on Mali-450 MP)
// https://docs.unity3d.com/Manual/SL-DataTypesAndPrecision.html
const int kFloatPackingHighMinShaderLevel = 35;
public static FloatPackingPrecision GetFloatPackingPrecision()
{
if (ms_FloatPackingPrecision == FloatPackingPrecision.Undef)
{
ms_FloatPackingPrecision = SystemInfo.graphicsShaderLevel >= kFloatPackingHighMinShaderLevel ? FloatPackingPrecision.High : FloatPackingPrecision.Low;
}
return ms_FloatPackingPrecision;
}
/// <summary>
/// true if at least one of the bit of 'flags' is also set in the current instance; otherwise, false.
/// </summary>
public static bool HasAtLeastOneFlag(this Enum mask, Enum flags)
{
#if DEBUG
if (mask.GetType() != flags.GetType())
throw new System.ArgumentException(string.Format("The argument type, '{0}', is not the same as the enum type '{1}'.", flags.GetType(), mask.GetType()));
#endif
return ((int)(IConvertible)mask & (int)(IConvertible)flags) != 0;
}
public static void MarkCurrentSceneDirty()
{
#if UNITY_EDITOR
if (!Application.isPlaying)
{
UnityEditor.SceneManagement.EditorSceneManager.MarkSceneDirty(UnityEngine.SceneManagement.SceneManager.GetActiveScene());
}
#endif
}
public static void MarkObjectDirty(UnityEngine.Object obj)
{
#if UNITY_EDITOR
if (!Application.isPlaying)
{
UnityEditor.EditorUtility.SetDirty(obj);
}
#endif
}
#if UNITY_EDITOR
public static void _EditorSetAllBeamGeomDirty()
{
VolumetricLightBeamSD._EditorSetAllBeamGeomDirty();
VolumetricLightBeamHD._EditorSetAllBeamGeomDirty();
}
public static void _EditorSetAllMeshesDirty()
{
VolumetricLightBeamSD._EditorSetAllMeshesDirty();
VolumetricLightBeamHD._EditorSetAllMeshesDirty();
}
public static bool IsEditorCamera(Camera cam)
{
var sceneView = UnityEditor.SceneView.currentDrawingSceneView;
if (sceneView)
{
return cam == sceneView.camera;
}
return false;
}
public static void SetSameSceneVisibilityStatesThan(this GameObject self, GameObject model)
{
// SceneVisibilityManager is a feature available from 2019.2, but fixed for transient objects only from 2019.3.14f1
// https://issuetracker.unity3d.com/issues/toggling-of-picking-and-visibility-flags-of-a-gameobject-is-ignored-when-gameobject-dot-hideflags-is-set-to-hideflags-dot-dontsave
#if UNITY_2019_3_OR_NEWER
bool pickingDisabled = UnityEditor.SceneVisibilityManager.instance.IsPickingDisabled(model);
self.SetScenePickabilityState(!pickingDisabled);
bool hidden = UnityEditor.SceneVisibilityManager.instance.IsHidden(model);
self.SetSceneVisibilityState(!hidden);
#endif // UNITY_2019_3_OR_NEWER
}
#if UNITY_2019_3_OR_NEWER
public static void SetScenePickabilityState(this GameObject self, bool pickable)
{
if (pickable) UnityEditor.SceneVisibilityManager.instance.EnablePicking(self, true);
else UnityEditor.SceneVisibilityManager.instance.DisablePicking(self, true);
}
public static void SetSceneVisibilityState(this GameObject self, bool visible)
{
if (visible) UnityEditor.SceneVisibilityManager.instance.Show(self, true);
else UnityEditor.SceneVisibilityManager.instance.Hide(self, true);
}
#endif // UNITY_2019_3_OR_NEWER
#endif // UNITY_EDITOR
}
}