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ParticleEffectForUGUI
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fix #21; UIParticle.Scale does not affect the gizmo of shape module

pull/77/head
mob-sakai 2018-12-21 20:48:25 +09:00
parent 96cc16d6d1
commit ed7bb646b6
2 changed files with 425 additions and 8 deletions
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422
Editor/UIParticleEditor.cs
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@ -3,6 +3,9 @@ using UnityEditor.UI;
using UnityEngine;
using System.Collections.Generic;
using System.Linq;
using UnityEditor.IMGUI.Controls;
using System;
using System.Reflection;
namespace Coffee.UIExtensions
{
@ -13,9 +16,15 @@ namespace Coffee.UIExtensions
//################################
// Constant or Static Members.
//################################
static readonly GUIContent contentParticleMaterial = new GUIContent ("Particle Material", "The material for rendering particles");
static readonly GUIContent contentTrailMaterial = new GUIContent ("Trail Material", "The material for rendering particle trails");
static readonly GUIContent s_ContentParticleMaterial = new GUIContent ("Particle Material", "The material for rendering particles");
static readonly GUIContent s_ContentTrailMaterial = new GUIContent ("Trail Material", "The material for rendering particle trails");
static readonly List<ParticleSystem> s_ParticleSystems = new List<ParticleSystem> ();
static readonly Matrix4x4 s_ArcHandleOffsetMatrix = Matrix4x4.TRS (Vector3.zero, Quaternion.AngleAxis (90f, Vector3.right) * Quaternion.AngleAxis (90f, Vector3.up), Vector3.one);
static readonly Dictionary<string, MethodInfo> s_InternalMethods = new Dictionary<string, MethodInfo> ();
static readonly Color s_GizmoColor = new Color (1f, 0.7f, 0.7f, 0.9f);
static readonly Color s_ShapeGizmoThicknessTint = new Color (0.7f, 0.7f, 0.7f, 1.0f);
static Material s_Material;
//################################
// Public/Protected Members.
@ -30,6 +39,13 @@ namespace Coffee.UIExtensions
_spTrailParticle = serializedObject.FindProperty ("m_TrailParticle");
_spScale = serializedObject.FindProperty ("m_Scale");
_spIgnoreParent = serializedObject.FindProperty ("m_IgnoreParent");
if (!s_Material)
{
s_Material = Call<Material> (typeof (Material), "GetDefaultMaterial");
}
_particles = targets.Cast<UIParticle> ().ToArray ();
}
/// <summary>
@ -47,8 +63,8 @@ namespace Coffee.UIExtensions
var pr = ps.GetComponent<ParticleSystemRenderer> ();
var sp = new SerializedObject (pr).FindProperty ("m_Materials");
EditorGUILayout.PropertyField (sp.GetArrayElementAtIndex (0), contentParticleMaterial);
EditorGUILayout.PropertyField (sp.GetArrayElementAtIndex (1), contentTrailMaterial);
EditorGUILayout.PropertyField (sp.GetArrayElementAtIndex (0), s_ContentParticleMaterial);
EditorGUILayout.PropertyField (sp.GetArrayElementAtIndex (1), s_ContentTrailMaterial);
sp.serializedObject.ApplyModifiedProperties ();
if (!Application.isPlaying && pr.enabled)
@ -98,5 +114,403 @@ namespace Coffee.UIExtensions
SerializedProperty _spTrailParticle;
SerializedProperty _spScale;
SerializedProperty _spIgnoreParent;
UIParticle [] _particles;
ArcHandle _arcHandle = new ArcHandle ();
BoxBoundsHandle _boxBoundsHandle = new BoxBoundsHandle ();
SphereBoundsHandle _sphereBoundsHandle = new SphereBoundsHandle ();
Mesh _spriteMesh;
static T Call<T> (Type type, string method, params object [] args)
{
MethodInfo mi;
if (!s_InternalMethods.TryGetValue (method, out mi))
{
mi = type.GetMethod (method, BindingFlags.Static | BindingFlags.NonPublic);
s_InternalMethods.Add (method, mi);
}
return (T)mi.Invoke (null, args);
}
void OnSceneGUI ()
{
Color origCol = Handles.color;
Handles.color = s_GizmoColor;
Matrix4x4 orgMatrix = Handles.matrix;
EditorGUI.BeginChangeCheck ();
foreach (UIParticle current in _particles)
{
ParticleSystem ps = current.GetComponent<ParticleSystem> ();
if (!ps)
{
continue;
}
var shapeModule = ps.shape;
var mainModule = ps.main;
ParticleSystemShapeType type = shapeModule.shapeType;
Matrix4x4 transformMatrix = new Matrix4x4 ();
if (mainModule.scalingMode == ParticleSystemScalingMode.Local)
{
transformMatrix.SetTRS (ps.transform.position, ps.transform.rotation, ps.transform.localScale);
}
else if (mainModule.scalingMode == ParticleSystemScalingMode.Hierarchy)
{
transformMatrix = ps.transform.localToWorldMatrix;
}
else
{
transformMatrix.SetTRS (ps.transform.position, ps.transform.rotation, ps.transform.lossyScale);
}
bool isBox = (type == ParticleSystemShapeType.Box || type == ParticleSystemShapeType.BoxShell || type == ParticleSystemShapeType.BoxEdge || type == ParticleSystemShapeType.Rectangle);
Vector3 emitterScale = isBox ? Vector3.one : shapeModule.scale;
Matrix4x4 emitterMatrix = Matrix4x4.TRS (shapeModule.position, Quaternion.Euler (shapeModule.rotation), emitterScale);
transformMatrix *= emitterMatrix;
Handles.matrix = transformMatrix;
if(current.canvas.renderMode == RenderMode.ScreenSpaceOverlay || ps.main.scalingMode == ParticleSystemScalingMode.Hierarchy)
{
Handles.matrix = Handles.matrix * Matrix4x4.Scale (Vector3.one * current.scale);
}
else
{
Handles.matrix = Handles.matrix * Matrix4x4.Scale (current.canvas.rootCanvas.transform.localScale * current.scale);
}
if (type == ParticleSystemShapeType.Sphere)
{
// Thickness
Handles.color *= s_ShapeGizmoThicknessTint;
EditorGUI.BeginChangeCheck ();
//float radiusThickness = Handles.DoSimpleRadiusHandle (Quaternion.identity, Vector3.zero, shapeModule.radius * (1.0f - shapeModule.radiusThickness), false, shapeModule.arc);
float radiusThickness = Call<float> (typeof (Handles), "DoSimpleRadiusHandle", Quaternion.identity, Vector3.zero, shapeModule.radius * (1.0f - shapeModule.radiusThickness), false, shapeModule.arc);
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Sphere Thickness Handle Change");
shapeModule.radiusThickness = 1.0f - (radiusThickness / shapeModule.radius);
}
// Sphere
Handles.color = s_GizmoColor;
EditorGUI.BeginChangeCheck ();
//float radius = Handles.DoSimpleRadiusHandle (Quaternion.identity, Vector3.zero, shapeModule.radius, false, shapeModule.arc);
float radius = Call<float> (typeof (Handles), "DoSimpleRadiusHandle", Quaternion.identity, Vector3.zero, shapeModule.radius, false, shapeModule.arc);
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Sphere Handle Change");
shapeModule.radius = radius;
}
// Texture
//Matrix4x4 textureTransform = transformMatrix * Matrix4x4.TRS (Vector3.zero, Quaternion.identity, Vector3.one * shapeModule.radius * 2.0f);
//OnSceneViewTextureGUI (shapeModule, s_SphereMesh, false, s_SphereTextureMaterial, textureTransform);
}
else if (type == ParticleSystemShapeType.Circle)
{
// Thickness
EditorGUI.BeginChangeCheck ();
_arcHandle.angle = shapeModule.arc;
_arcHandle.radius = shapeModule.radius * (1.0f - shapeModule.radiusThickness);
_arcHandle.SetColorWithRadiusHandle (s_ShapeGizmoThicknessTint, 0f);
_arcHandle.angleHandleColor = Color.clear;
using (new Handles.DrawingScope (Handles.matrix * s_ArcHandleOffsetMatrix))
_arcHandle.DrawHandle ();
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Circle Thickness Handle Change");
shapeModule.radiusThickness = 1.0f - (_arcHandle.radius / shapeModule.radius);
}
// Circle
EditorGUI.BeginChangeCheck ();
_arcHandle.radius = shapeModule.radius;
_arcHandle.SetColorWithRadiusHandle (Color.white, 0f);
using (new Handles.DrawingScope (Handles.matrix * s_ArcHandleOffsetMatrix))
_arcHandle.DrawHandle ();
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Circle Handle Change");
shapeModule.radius = _arcHandle.radius;
shapeModule.arc = _arcHandle.angle;
}
// Texture
//Matrix4x4 textureTransform = transformMatrix * Matrix4x4.TRS (Vector3.zero, Quaternion.Euler (90.0f, 0.0f, 180.0f), Vector3.one * shapeModule.radius * 2.0f);
//OnSceneViewTextureGUI (shapeModule, s_CircleMesh, true, s_TextureMaterial, textureTransform);
}
else if (type == ParticleSystemShapeType.Hemisphere)
{
// Thickness
Handles.color *= s_ShapeGizmoThicknessTint;
EditorGUI.BeginChangeCheck ();
//float radiusThickness = Handles.DoSimpleRadiusHandle (Quaternion.identity, Vector3.zero, shapeModule.radius * (1.0f - shapeModule.radiusThickness), true, shapeModule.arc);
float radiusThickness = Call<float> (typeof (Handles), "DoSimpleRadiusHandle", Quaternion.identity, Vector3.zero, shapeModule.radius * (1.0f - shapeModule.radiusThickness), true, shapeModule.arc);
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Hemisphere Thickness Handle Change");
shapeModule.radiusThickness = 1.0f - (radiusThickness / shapeModule.radius);
}
// Hemisphere
Handles.color = s_GizmoColor;
EditorGUI.BeginChangeCheck ();
//float radius = Handles.DoSimpleRadiusHandle (Quaternion.identity, Vector3.zero, shapeModule.radius, true, shapeModule.arc);
float radius = Call<float> (typeof (Handles), "DoSimpleRadiusHandle", Quaternion.identity, Vector3.zero, shapeModule.radius, true, shapeModule.arc);
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Hemisphere Handle Change");
shapeModule.radius = radius;
}
// Texture
//Matrix4x4 textureTransform = transformMatrix * Matrix4x4.TRS (Vector3.zero, Quaternion.identity, Vector3.one * shapeModule.radius * 2.0f);
//OnSceneViewTextureGUI (shapeModule, s_HemisphereMesh, false, s_SphereTextureMaterial, textureTransform);
}
else if (type == ParticleSystemShapeType.Cone)
{
// Thickness
Handles.color *= s_ShapeGizmoThicknessTint;
EditorGUI.BeginChangeCheck ();
float angleThickness = Mathf.Lerp (shapeModule.angle, 0.0f, shapeModule.radiusThickness);
Vector3 radiusThicknessAngleRange = new Vector3 (shapeModule.radius * (1.0f - shapeModule.radiusThickness), angleThickness, mainModule.startSpeedMultiplier);
//radiusThicknessAngleRange = Handles.ConeFrustrumHandle (Quaternion.identity, Vector3.zero, radiusThicknessAngleRange, Handles.ConeHandles.Radius);
radiusThicknessAngleRange = Call<Vector3> (typeof (Handles), "ConeFrustrumHandle", Quaternion.identity, Vector3.zero, radiusThicknessAngleRange, 1);
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Cone Thickness Handle Change");
shapeModule.radiusThickness = 1.0f - (radiusThicknessAngleRange.x / shapeModule.radius);
}
// Cone
Handles.color = s_GizmoColor;
EditorGUI.BeginChangeCheck ();
Vector3 radiusAngleRange = new Vector3 (shapeModule.radius, shapeModule.angle, mainModule.startSpeedMultiplier);
//radiusAngleRange = Handles.ConeFrustrumHandle (Quaternion.identity, Vector3.zero, radiusAngleRange);
radiusAngleRange = Call<Vector3> (typeof (Handles), "ConeFrustrumHandle", Quaternion.identity, Vector3.zero, radiusAngleRange, 7);
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Cone Handle Change");
shapeModule.radius = radiusAngleRange.x;
shapeModule.angle = radiusAngleRange.y;
mainModule.startSpeedMultiplier = radiusAngleRange.z;
}
// Texture
//Matrix4x4 textureTransform = transformMatrix * Matrix4x4.TRS (Vector3.zero, Quaternion.Euler (90.0f, 0.0f, 180.0f), Vector3.one * shapeModule.radius * 2.0f);
//OnSceneViewTextureGUI (shapeModule, s_CircleMesh, true, s_TextureMaterial, textureTransform);
}
else if (type == ParticleSystemShapeType.ConeVolume)
{
// Thickness
Handles.color *= s_ShapeGizmoThicknessTint;
EditorGUI.BeginChangeCheck ();
float angleThickness = Mathf.Lerp (shapeModule.angle, 0.0f, shapeModule.radiusThickness);
Vector3 radiusThicknessAngleLength = new Vector3 (shapeModule.radius * (1.0f - shapeModule.radiusThickness), angleThickness, shapeModule.length);
//radiusThicknessAngleLength = Handles.ConeFrustrumHandle (Quaternion.identity, Vector3.zero, radiusThicknessAngleLength, Handles.ConeHandles.Radius);
radiusThicknessAngleLength = Call<Vector3> (typeof (Handles), "ConeFrustrumHandle", Quaternion.identity, Vector3.zero, radiusThicknessAngleLength, 1);
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Cone Volume Thickness Handle Change");
shapeModule.radiusThickness = 1.0f - (radiusThicknessAngleLength.x / shapeModule.radius);
}
// Cone
Handles.color = s_GizmoColor;
EditorGUI.BeginChangeCheck ();
Vector3 radiusAngleLength = new Vector3 (shapeModule.radius, shapeModule.angle, shapeModule.length);
//radiusAngleLength = Handles.ConeFrustrumHandle (Quaternion.identity, Vector3.zero, radiusAngleLength);
radiusAngleLength = Call<Vector3> (typeof (Handles), "ConeFrustrumHandle", Quaternion.identity, Vector3.zero, radiusAngleLength, 7);
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Cone Volume Handle Change");
shapeModule.radius = radiusAngleLength.x;
shapeModule.angle = radiusAngleLength.y;
shapeModule.length = radiusAngleLength.z;
}
// Texture
//Matrix4x4 textureTransform = transformMatrix * Matrix4x4.TRS (Vector3.zero, Quaternion.Euler (90.0f, 0.0f, 180.0f), Vector3.one * shapeModule.radius * 2.0f);
//OnSceneViewTextureGUI (shapeModule, s_CircleMesh, true, s_TextureMaterial, textureTransform);
}
else if (type == ParticleSystemShapeType.Box || type == ParticleSystemShapeType.BoxShell || type == ParticleSystemShapeType.BoxEdge)
{
EditorGUI.BeginChangeCheck ();
_boxBoundsHandle.center = Vector3.zero;
_boxBoundsHandle.size = shapeModule.scale;
_boxBoundsHandle.DrawHandle ();
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Box Handle Change");
shapeModule.scale = _boxBoundsHandle.size;
}
//Matrix4x4 textureTransform = transformMatrix * Matrix4x4.TRS (new Vector3 (0.0f, 0.0f, -m_BoxBoundsHandle.size.z * 0.5f), Quaternion.identity, m_BoxBoundsHandle.size);
//OnSceneViewTextureGUI (shapeModule, s_QuadMesh, true, s_TextureMaterial, textureTransform);
}
else if (type == ParticleSystemShapeType.Donut)
{
// Radius
EditorGUI.BeginChangeCheck ();
_arcHandle.radius = shapeModule.radius;
_arcHandle.angle = shapeModule.arc;
_arcHandle.SetColorWithRadiusHandle (Color.white, 0f);
_arcHandle.wireframeColor = Color.clear;
using (new Handles.DrawingScope (Handles.matrix * s_ArcHandleOffsetMatrix))
_arcHandle.DrawHandle ();
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Donut Handle Change");
shapeModule.radius = _arcHandle.radius;
shapeModule.arc = _arcHandle.angle;
}
// Donut extents
using (new Handles.DrawingScope (Handles.matrix * s_ArcHandleOffsetMatrix))
{
float excessAngle = shapeModule.arc % 360f;
float angle = Mathf.Abs (shapeModule.arc) >= 360f ? 360f : excessAngle;
Handles.DrawWireArc (new Vector3 (0.0f, shapeModule.donutRadius, 0.0f), Vector3.up, Vector3.forward, angle, shapeModule.radius);
Handles.DrawWireArc (new Vector3 (0.0f, -shapeModule.donutRadius, 0.0f), Vector3.up, Vector3.forward, angle, shapeModule.radius);
Handles.DrawWireArc (Vector3.zero, Vector3.up, Vector3.forward, angle, shapeModule.radius + shapeModule.donutRadius);
Handles.DrawWireArc (Vector3.zero, Vector3.up, Vector3.forward, angle, shapeModule.radius - shapeModule.donutRadius);
if (shapeModule.arc != 360.0f)
{
Quaternion arcRotation = Quaternion.AngleAxis (shapeModule.arc, Vector3.up);
Vector3 capCenter = arcRotation * Vector3.forward * shapeModule.radius;
Handles.DrawWireDisc (capCenter, arcRotation * Vector3.right, shapeModule.donutRadius);
}
}
// Donut thickness
_sphereBoundsHandle.axes = PrimitiveBoundsHandle.Axes.X | PrimitiveBoundsHandle.Axes.Y;
_sphereBoundsHandle.radius = shapeModule.donutRadius * (1.0f - shapeModule.radiusThickness);
_sphereBoundsHandle.center = Vector3.zero;
_sphereBoundsHandle.SetColor (s_ShapeGizmoThicknessTint);
const float handleInterval = 90.0f;
int numOuterRadii = Mathf.Max (1, (int)Mathf.Ceil (shapeModule.arc / handleInterval));
Matrix4x4 donutRadiusStartMatrix = Matrix4x4.TRS (new Vector3 (shapeModule.radius, 0.0f, 0.0f), Quaternion.Euler (90.0f, 0.0f, 0.0f), Vector3.one);
for (int i = 0; i < numOuterRadii; i++)
{
EditorGUI.BeginChangeCheck ();
using (new Handles.DrawingScope (Handles.matrix * (Matrix4x4.Rotate (Quaternion.Euler (0.0f, 0.0f, handleInterval * i)) * donutRadiusStartMatrix)))
_sphereBoundsHandle.DrawHandle ();
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Donut Radius Thickness Handle Change");
shapeModule.radiusThickness = 1.0f - (_sphereBoundsHandle.radius / shapeModule.donutRadius);
}
}
// Donut radius
_sphereBoundsHandle.radius = shapeModule.donutRadius;
_sphereBoundsHandle.SetColor (Color.white);
for (int i = 0; i < numOuterRadii; i++)
{
EditorGUI.BeginChangeCheck ();
using (new Handles.DrawingScope (Handles.matrix * (Matrix4x4.Rotate (Quaternion.Euler (0.0f, 0.0f, handleInterval * i)) * donutRadiusStartMatrix)))
_sphereBoundsHandle.DrawHandle ();
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Donut Radius Handle Change");
shapeModule.donutRadius = _sphereBoundsHandle.radius;
}
}
// Texture
//Matrix4x4 textureTransform = transformMatrix * Matrix4x4.TRS (new Vector3 (shapeModule.radius, 0.0f, 0.0f), Quaternion.Euler (180.0f, 0.0f, 180.0f), Vector3.one * shapeModule.donutRadius * 2.0f);
//OnSceneViewTextureGUI (shapeModule, s_CircleMesh, true, s_TextureMaterial, textureTransform);
}
else if (type == ParticleSystemShapeType.SingleSidedEdge)
{
EditorGUI.BeginChangeCheck ();
//float radius = Handles.DoSimpleEdgeHandle (Quaternion.identity, Vector3.zero, shapeModule.radius);
float radius = Call<float> (typeof (Handles), "DoSimpleEdgeHandle", Quaternion.identity, Vector3.zero, shapeModule.radius);
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Edge Handle Change");
shapeModule.radius = radius;
}
}
else if (type == ParticleSystemShapeType.Mesh)
{
Mesh mesh = shapeModule.mesh;
if (mesh)
{
bool orgWireframeMode = GL.wireframe;
GL.wireframe = true;
s_Material.SetPass (0);
Graphics.DrawMeshNow (mesh, transformMatrix);
GL.wireframe = orgWireframeMode;
//OnSceneViewTextureGUI (shapeModule, mesh, false, s_TextureMaterial, transformMatrix);
}
}
else if (type == ParticleSystemShapeType.Rectangle)
{
EditorGUI.BeginChangeCheck ();
_boxBoundsHandle.center = Vector3.zero;
_boxBoundsHandle.size = new Vector3 (shapeModule.scale.x, shapeModule.scale.y, 0.0f);
_boxBoundsHandle.DrawHandle ();
if (EditorGUI.EndChangeCheck ())
{
Undo.RecordObject (ps, "Rectangle Handle Change");
shapeModule.scale = new Vector3 (_boxBoundsHandle.size.x, _boxBoundsHandle.size.y, 0.0f);
}
//OnSceneViewTextureGUI (shapeModule, s_QuadMesh, true, s_TextureMaterial, transformMatrix * Matrix4x4.Scale (m_BoxBoundsHandle.size));
}
else if (type == ParticleSystemShapeType.Sprite)
{
Sprite sprite = shapeModule.sprite;
if (sprite)
{
if (!_spriteMesh)
{
_spriteMesh = new Mesh ();
_spriteMesh.name = "ParticleSpritePreview";
_spriteMesh.hideFlags |= HideFlags.HideAndDontSave;
}
_spriteMesh.vertices = Array.ConvertAll (sprite.vertices, i => (Vector3)i);
_spriteMesh.uv = sprite.uv;
_spriteMesh.triangles = Array.ConvertAll (sprite.triangles, i => (int)i);
bool orgWireframeMode = GL.wireframe;
GL.wireframe = true;
s_Material.SetPass (0);
Graphics.DrawMeshNow (_spriteMesh, transformMatrix);
GL.wireframe = orgWireframeMode;
//OnSceneViewTextureGUI (shapeModule, m_SpriteMesh, false, s_TextureMaterial, transformMatrix);
}
}
}
Handles.color = origCol;
Handles.matrix = orgMatrix;
}
}
}

11
UIParticle.cs
View File

@ -44,10 +44,10 @@ namespace Coffee.UIExtensions
get
{
Texture tex = null;
if (!m_IsTrail)
if (!m_IsTrail && particleSystem)
{
Profiler.BeginSample ("Check TextureSheetAnimation module");
var textureSheet = m_ParticleSystem.textureSheetAnimation;
var textureSheet = particleSystem.textureSheetAnimation;
if (textureSheet.enabled && textureSheet.mode == ParticleSystemAnimationMode.Sprites && 0 < textureSheet.spriteCount)
{
tex = textureSheet.GetSprite (0).texture;
@ -101,6 +101,10 @@ namespace Coffee.UIExtensions
public override bool raycastTarget { get { return false; } set { base.raycastTarget = value; } }
/// <summary>
/// ParticleSystem.
/// </summary>
new public ParticleSystem particleSystem { get { return m_ParticleSystem ? m_ParticleSystem : (m_ParticleSystem = GetComponent<ParticleSystem> ()); } }
public override Material GetModifiedMaterial (Material baseMaterial)
{
return base.GetModifiedMaterial (_renderer ? _renderer.sharedMaterial : baseMaterial);
@ -123,8 +127,7 @@ namespace Coffee.UIExtensions
}
s_TempRelatables.Clear ();
m_ParticleSystem = m_ParticleSystem ? m_ParticleSystem : GetComponent<ParticleSystem> ();
_renderer = m_ParticleSystem ? m_ParticleSystem.GetComponent<ParticleSystemRenderer> () : null;
_renderer = particleSystem ? particleSystem.GetComponent<ParticleSystemRenderer> () : null;
// Create objects.
_mesh = new Mesh ();