Partial 7.0 merge - API preview

core/src/mindustry/entities/effect/ExplosionEffect.java

@@ -0,0 +1,47 @@
+package mindustry.entities.effect;
+
+import arc.graphics.*;
+import arc.graphics.g2d.*;
+import arc.math.*;
+import mindustry.entities.*;
+import mindustry.graphics.*;
+
+import static arc.graphics.g2d.Draw.*;
+import static arc.graphics.g2d.Lines.*;
+import static arc.math.Angles.*;
+
+public class ExplosionEffect extends Effect{
+    public Color waveColor = Pal.missileYellow, smokeColor = Color.gray, sparkColor = Pal.missileYellowBack;
+    public float waveLife = 6f, waveStroke = 3f, waveRad = 15f, waveRadBase = 2f, sparkStroke = 1f, sparkRad = 23f, sparkLen = 3f, smokeSize = 4f, smokeSizeBase = 0.5f, smokeRad = 23f;
+    public int smokes = 5, sparks = 4;
+
+    public ExplosionEffect(){
+        clip = 100f;
+        lifetime = 22;
+
+        renderer = e -> {
+            color(waveColor);
+
+            e.scaled(waveLife, i -> {
+                stroke(waveStroke * i.fout());
+                Lines.circle(e.x, e.y, waveRadBase + i.fin() * waveRad);
+            });
+
+            color(smokeColor);
+
+            if(smokeSize > 0){
+                randLenVectors(e.id, smokes, 2f + smokeRad * e.finpow(), (x, y) -> {
+                    Fill.circle(e.x + x, e.y + y, e.fout() * smokeSize + smokeSizeBase);
+                });
+            }
+
+            color(sparkColor);
+            stroke(e.fout() * sparkStroke);
+
+            randLenVectors(e.id + 1, sparks, 1f + sparkRad * e.finpow(), (x, y) -> {
+                lineAngle(e.x + x, e.y + y, Mathf.angle(x, y), 1f + e.fout() * sparkLen);
+                Drawf.light(e.x + x, e.y + y, e.fout() * sparkLen * 4f, sparkColor, 0.7f);
+            });
+        };
+    }
+}