PartProgress.time & PartProgress.mod added (#9499)

* PartProgress.time & PartProgress.mod added

* Add loop() to combine mul and mod

core/src/mindustry/entities/part/DrawPart.java

@@ -85,8 +85,10 @@ public abstract class DrawPart{
         /** Weapon heat, 1 when just fired, 0, when it has cooled down (duration depends on weapon) */
         heat = p -> p.heat,
         /** Lifetime fraction, 0 to 1. Only for missiles. */
-        life = p -> p.life;
-
+        life = p -> p.life,
+        /** Current unscaled value of Time.time. */
+        time = p -> Time.time;
+        
         float get(PartParams p);
 
         static PartProgress constant(float value){
@@ -167,6 +169,14 @@ public abstract class DrawPart{
         default PartProgress absin(float scl, float mag){
             return p -> get(p) + Mathf.absin(scl, mag);
         }
+        
+        default PartProgress mod(float amount){
+            return p -> Mathf.mod(get(p), amount);
+        }
+        
+        default PartProgress loop(float time){
+            return p -> Mathf.mod(get(p)/time, 1);
+        }
 
         default PartProgress apply(PartProgress other, PartFunc func){
             return p -> func.get(get(p), other.get(p));