Runtime/Scripts/Effects/UIParticleSystem.cs

@@ -16,9 +16,6 @@ namespace UnityEngine.UI.Extensions
         [Tooltip("Enables 3d rotation for the particles")]
         public bool use3dRotation = false;
 
-        [Tooltip("Enables using Renderer.lengthScale parameter")]
-        public bool _useLengthScale = false;
-        
         private Transform _transform;
         private ParticleSystem pSystem;
         private ParticleSystem.Particle[] particles;
@@ -186,6 +183,8 @@ namespace UnityEngine.UI.Extensions
 #else
                 Vector2 position = (pSystem.simulationSpace == ParticleSystemSimulationSpace.Local ? particle.position : _transform.InverseTransformPoint(particle.position));
 #endif
+                float rotation = -particle.rotation * Mathf.Deg2Rad;
+                float rotation90 = rotation + Mathf.PI / 2;
                 Color32 color = particle.GetCurrentColor(pSystem);
                 float size = particle.GetCurrentSize(pSystem) * 0.5f;
 
@@ -281,29 +280,13 @@ namespace UnityEngine.UI.Extensions
                 _quad[3].color = color;
                 _quad[3].uv0 = temp;
 
-                
-                float rotation = -particle.rotation * Mathf.Deg2Rad;
-                var lengthScale = pRenderer.lengthScale;
-                if (_useLengthScale)
-                {
-                    // rotate towards velocity
-                    var normalizedVelocity = particle.velocity.normalized;
-                    rotation = Mathf.Atan2(normalizedVelocity.y, normalizedVelocity.x);
-                }
-                else
-                {
-                    lengthScale = 1f;
-                }
-                
-                float rotation90 = rotation + Mathf.PI / 2;
-
                 if (rotation == 0)
                 {
                     // no rotation
                     corner1.x = position.x - size;
-                    corner1.y = position.y - size * lengthScale;
+                    corner1.y = position.y - size;
                     corner2.x = position.x + size;
-                    corner2.y = position.y + size * lengthScale;
+                    corner2.y = position.y + size;
 
                     temp.x = corner1.x;
                     temp.y = corner1.y;
@@ -356,7 +339,7 @@ namespace UnityEngine.UI.Extensions
                     else
                     {
                         // apply rotation
-                        Vector2 right = new Vector2(Mathf.Cos(rotation), Mathf.Sin(rotation)) * size * lengthScale;
+                        Vector2 right = new Vector2(Mathf.Cos(rotation), Mathf.Sin(rotation)) * size;
                         Vector2 up = new Vector2(Mathf.Cos(rotation90), Mathf.Sin(rotation90)) * size;
 
                         _quad[0].position = position - right - up;

Runtime/Scripts/Primitives/UILineRenderer.cs

@@ -287,7 +287,7 @@ namespace UnityEngine.UI.Extensions
 				PopulateMesh (vh, m_points);
 
 			}
-			if (m_segments != null && m_segments.Count > 0) {
+			else if (m_segments != null && m_segments.Count > 0) {
 				GeneratedUVs ();
 				vh.Clear ();