From 5b163d78432bffdf5d5b67679305203519231065 Mon Sep 17 00:00:00 2001
From: Sunny Kim <58885089+sk7725@users.noreply.github.com>
Date: Tue, 22 Dec 2020 10:04:04 +0900
Subject: [PATCH] Heat for accelerator (#4065)

* heat

* better animations
---
 .../world/blocks/campaign/Accelerator.java    | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/core/src/mindustry/world/blocks/campaign/Accelerator.java b/core/src/mindustry/world/blocks/campaign/Accelerator.java
index 96bc2b1b44..b5a33bc2d3 100644
--- a/core/src/mindustry/world/blocks/campaign/Accelerator.java
+++ b/core/src/mindustry/world/blocks/campaign/Accelerator.java
@@ -50,37 +50,48 @@ public class Accelerator extends Block{
     }
     
     public class AcceleratorBuild extends Building{
+        public float heat, statusLerp;
 
+        @Override
+        public void updateTile(){
+            super.updateTile();
+            heat = Mathf.lerpDelta(heat, consValid() ? 1f : 0f, 0.05f);
+            statusLerp = Mathf.lerpDelta(statusLerp, power.status, 0.05f);
+        }
+        
         @Override
         public void draw(){
             super.draw();
 
             for(int l = 0; l < 4; l++){
                 float length = 7f + l * 5f;
-                Draw.color(team.color, Pal.darkMetal, Mathf.absin(Time.time + l*50f, 10f, 1f));
+                Draw.color(Tmp.c1.set(Pal.darkMetal).lerp(team.color, statusLerp), Pal.darkMetal, Mathf.absin(Time.time + l*50f, 10f, 1f));
 
                 for(int i = 0; i < 4; i++){
                     float rot = i*90f + 45f;
                     Draw.rect(arrowRegion, x + Angles.trnsx(rot, length), y + Angles.trnsy(rot, length), rot + 180f);
                 }
             }
+            
+            if(heat < 0.0001f) return;
 
             float rad = size * tilesize / 2f * 0.74f;
             float scl = 2f;
 
             Draw.z(Layer.bullet - 0.0001f);
-            Lines.stroke(1.75f, Pal.accent);
+            Lines.stroke(1.75f * heat, Pal.accent);
             Lines.square(x, y, rad * 1.22f, 45f);
 
-            Lines.stroke(3f, Pal.accent);
+            Lines.stroke(3f * heat, Pal.accent);
             Lines.square(x, y, rad, Time.time / scl);
             Lines.square(x, y, rad, -Time.time / scl);
 
             Draw.color(team.color);
+            Draw.alpha(Mathf.clamp(heat * 3f));
 
             for(int i = 0; i < 4; i++){
                 float rot = i*90f + 45f + (-Time.time /3f)%360f;
-                float length = 26f;
+                float length = 26f * heat;
                 Draw.rect(arrowRegion, x + Angles.trnsx(rot, length), y + Angles.trnsy(rot, length), rot + 180f);
             }