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ParticleEffectForUGUI
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fix: fix culling for RectMask2D 

close #220
pull/225/head
takashi.sakai 2022-08-10 10:21:39 +09:00
parent 4edcef1bbf
commit 9e2dbe7758
1 changed files with 49 additions and 3 deletions
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52
Scripts/UIParticleRenderer.cs
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@ -14,15 +14,14 @@ namespace Coffee.UIExtensions
internal class UIParticleRenderer : MaskableGraphic
{
private static readonly CombineInstance[] s_CombineInstances = new CombineInstance[] { new CombineInstance() };
//private static ParticleSystem.Particle[] s_Particles = new ParticleSystem.Particle[2048];
private static readonly List<Material> s_Materials = new List<Material>(2);
private static MaterialPropertyBlock s_Mpb;
private static readonly List<UIParticleRenderer> s_Renderers = new List<UIParticleRenderer>();
private static readonly Vector3[] s_Corners = new Vector3[4];
private ParticleSystemRenderer _renderer;
private ParticleSystem _particleSystem;
internal int _prevParticleCount = 0;
//private ParticleSystem _emitter;
private int _prevParticleCount = 0;
private UIParticle _parent;
private int _index;
private bool _isTrail;
@ -33,6 +32,7 @@ namespace Coffee.UIExtensions
private bool _delay = false;
private bool _prewarm = false;
private Material _currentMaterialForRendering;
private Bounds _lastBounds;
public override Texture mainTexture
{
@ -50,6 +50,37 @@ namespace Coffee.UIExtensions
}
}
private Rect rootCanvasRect
{
get
{
s_Corners[0] = transform.TransformPoint(_lastBounds.min.x, _lastBounds.min.y, 0);
s_Corners[1] = transform.TransformPoint(_lastBounds.min.x, _lastBounds.max.y, 0);
s_Corners[2] = transform.TransformPoint(_lastBounds.max.x, _lastBounds.max.y, 0);
s_Corners[3] = transform.TransformPoint(_lastBounds.max.x, _lastBounds.min.y, 0);
if (canvas)
{
var worldToLocalMatrix = canvas.rootCanvas.transform.worldToLocalMatrix;
for (var i = 0; i < 4; ++i)
s_Corners[i] = worldToLocalMatrix.MultiplyPoint(s_Corners[i]);
}
var corner1 = (Vector2) s_Corners[0];
var corner2 = (Vector2) s_Corners[0];
for (var i = 1; i < 4; ++i)
{
if (s_Corners[i].x < corner1.x)
corner1.x = s_Corners[i].x;
else if (s_Corners[i].x > corner2.x)
corner2.x = s_Corners[i].x;
if (s_Corners[i].y < corner1.y)
corner1.y = s_Corners[i].y;
else if (s_Corners[i].y > corner2.y)
corner2.y = s_Corners[i].y;
}
return new Rect(corner1, corner2 - corner1);
}
}
public static UIParticleRenderer AddRenderer(UIParticle parent, int index)
{
// Create renderer object.
@ -123,6 +154,7 @@ namespace Coffee.UIExtensions
material = null;
workerMesh.Clear();
canvasRenderer.SetMesh(workerMesh);
_lastBounds = new Bounds();
enabled = false;
}
}
@ -188,6 +220,7 @@ namespace Coffee.UIExtensions
Profiler.BeginSample("[UIParticleRenderer] Clear Mesh");
workerMesh.Clear();
canvasRenderer.SetMesh(workerMesh);
_lastBounds = new Bounds();
Profiler.EndSample();
return;
@ -269,6 +302,7 @@ namespace Coffee.UIExtensions
extents.z = 0;
bounds.extents = extents;
workerMesh.bounds = bounds;
_lastBounds = bounds;
}
Profiler.EndSample();
@ -286,6 +320,7 @@ namespace Coffee.UIExtensions
{
if (s_Renderers[i] == this) continue;
s_Renderers[i].canvasRenderer.SetMesh(workerMesh);
s_Renderers[i]._lastBounds = _lastBounds;
}
if (!_parent.canRender)
@ -354,6 +389,17 @@ namespace Coffee.UIExtensions
{
}
public override void Cull(Rect clipRect, bool validRect)
{
var cull = _lastBounds.extents == Vector3.zero || !validRect || !clipRect.Overlaps(rootCanvasRect, true);
if (canvasRenderer.cull == cull) return;
canvasRenderer.cull = cull;
UISystemProfilerApi.AddMarker("MaskableGraphic.cullingChanged", this);
onCullStateChanged.Invoke(cull);
OnCullingChanged();
}
private Vector3 GetWorldScale()
{
Profiler.BeginSample("[UIParticleRenderer] GetWorldScale");