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source/scripts/bomber/noiseAnimation.lua

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+NoiseAnimation = {}
+class('NoiseAnimation').extends(NobleSprite)
+
+function NoiseAnimation:init(x, y)
+    NoiseAnimation.super.init(self, "assets/sprites/noise", true)
+    self.animation:addState("run", 2, 11)
+    self.animation:addState("idle", 1, 1)
+    self.animation.run.frameDuration = 2.5
+    self.animation:setState("idle")
+    self:setZIndex(ZIndex.foreground)
+    self:setSize(400, 240)
+    self:add()
+    self:moveTo(x, y)
+
+    self.state = "idle"
+    self.idleFrames = 0
+end
+
+function NoiseAnimation:update()
+    if self.state == "idle" then
+        self.idleFrames -= 1
+        if self.idleFrames <= 0 then
+            self.state = "run"
+            self.animation:setState("run")
+        end
+    else
+        local r = math.random(0)
+        if r < 0.01 then
+            self.state = "idle"
+            self.idleFrames = math.random(30, 100)
+            self.animation:setState("idle")
+        else
+            self.animation:setState("run")
+        end
+    end
+end