From 5b99d8374ff25e8bd41dc388acb1fe9a89c3607d Mon Sep 17 00:00:00 2001
From: Nico de Poel <ndepoel@gmail.com>
Date: Wed, 4 Aug 2021 23:31:42 +0200
Subject: [PATCH] Also implemented slight blood and vore ball particles trails

---
 .../Support/ParticleTrailController.cs        | 35 +++++++++++++++++--
 1 file changed, 32 insertions(+), 3 deletions(-)

diff --git a/Assets/Scripts/Support/ParticleTrailController.cs b/Assets/Scripts/Support/ParticleTrailController.cs
index 101e442..2dda512 100644
--- a/Assets/Scripts/Support/ParticleTrailController.cs
+++ b/Assets/Scripts/Support/ParticleTrailController.cs
@@ -40,9 +40,7 @@ public class ParticleTrailController : MonoBehaviour
             case ParticleTrail.Blood:
             {
                 main.gravityModifierMultiplier = 0.05f;
-                main.startColor = new ParticleSystem.MinMaxGradient(
-                    new Color32(31, 0, 0, 255), 
-                    new Color32(55, 0, 0, 255));
+                main.startColor = SetupGradient(BloodColorKeys);
                 
                 shape.scale = new Vector3(6f, 6f, 6f);
                 break;
@@ -50,14 +48,24 @@ public class ParticleTrailController : MonoBehaviour
             case ParticleTrail.Tracer:
             case ParticleTrail.Tracer2:
             {
+                // Split trails, e.g. Scrag projectile
                 break;
             }
             case ParticleTrail.SlightBlood:
             {
+                main.gravityModifierMultiplier = 0.05f;
+                main.startColor = SetupGradient(BloodColorKeys);
+                
+                shape.scale = new Vector3(6f, 6f, 6f);
+                emission.rateOverDistance = 1.0f / (interval + 3);
                 break;
             }
             case ParticleTrail.VoreBall:
             {
+                main.startLifetime = 0.3f;
+                main.startColor = SetupGradient(VoreColorKeys);
+                
+                shape.scale = new Vector3(16f, 16f, 16f);
                 break;
             }
         }
@@ -70,6 +78,15 @@ public class ParticleTrailController : MonoBehaviour
         transform.position = endPosition;
     }
 
+    private static ParticleSystem.MinMaxGradient SetupGradient(GradientColorKey[] colorKeys)
+    {
+        return new ParticleSystem.MinMaxGradient(new Gradient
+        {
+            mode = GradientMode.Blend,
+            colorKeys = colorKeys,
+        });
+    }
+
     private static ParticleSystem.MinMaxGradient SetupGradients(GradientColorKey[] minKeys, GradientColorKey[] maxKeys)
     {
         return new ParticleSystem.MinMaxGradient
@@ -103,4 +120,16 @@ public class ParticleTrailController : MonoBehaviour
         new GradientColorKey(new Color32(63, 63, 63, 255), 0.5f),
         new GradientColorKey(new Color32(47, 47, 47, 255), 1.0f),
     };
+
+    private static readonly GradientColorKey[] BloodColorKeys = 
+    {
+        new GradientColorKey(new Color32(31, 0, 0, 255), 0.5f),
+        new GradientColorKey(new Color32(55, 0, 0, 255), 1.0f),
+    };
+    
+    private static readonly GradientColorKey[] VoreColorKeys = 
+    {
+        new GradientColorKey(new Color32(95, 51, 63, 255), 0.5f),
+        new GradientColorKey(new Color32(59, 31, 35, 255), 1.0f),
+    };
 }