Procedural scorch marks / Bugfixes

2020-02-09 12:07:36 -05:00
parent 8e976c20a1
commit d45d7f21b6
39 changed files with 1187 additions and 950 deletions
@@ -0,0 +1,33 @@
+package mindustry.graphics;
+
+import arc.graphics.*;
+import arc.math.*;
+import arc.util.noise.*;
+
+/** Generates a scorch pixmap based on parameters. Thread safe, unless multiple scorch generators are running in parallel. */
+public class ScorchGenerator{
+    private static final Simplex sim = new Simplex();
+
+    public int size = 80, seed = 0, color = Color.white.rgba();
+    public double scale = 18, pow = 2, octaves = 4, pers = 0.4, add = 2, nscl = 4.5f;
+
+    public Pixmap generate(){
+        Pixmap pix = new Pixmap(size, size);
+        sim.setSeed(seed);
+
+        pix.each((x, y) -> {
+            double dst = Mathf.dst(x, y, size/2, size/2) / (size / 2f);
+            double scaled = Math.abs(dst - 0.5f) * 5f + add;
+            scaled -= noise(Angles.angle(x, y, size/2, size/2))*nscl;
+            boolean present = scaled < 1.5f;
+
+            if(present) pix.draw(x, y, color);
+        });
+
+        return pix;
+    }
+
+    private double noise(float angle){
+        return Math.pow(sim.octaveNoise2D(octaves, pers, 1 / scale, Angles.trnsx(angle, size/2f) + size/2f, Angles.trnsy(angle, size/2f) + size/2f), pow);
+    }
+}