bomber imp

source/scripts/bomber/granade.lua

@@ -1,34 +1,91 @@
 Granade = {}
 class('Granade').extends(NobleSprite)
 
+local function screenShake(shakeTime, shakeMagnitude)
+    local shakeTimer = playdate.timer.new(shakeTime, shakeMagnitude, 0)
+    shakeTimer.updateCallback = function(timer)
+        local magnitude = math.floor(timer.value)
+        local shakeX = math.random(-magnitude, magnitude)
+        local shakeY = math.random(-magnitude, magnitude)
+        playdate.display.setOffset(shakeX, shakeY)
+    end
+    shakeTimer.timerEndedCallback = function()
+        playdate.display.setOffset(0, 0)
+    end
+end
+
 function Granade:init(x, y)
     Granade.super.init(self)
     
     self.initialRadius = 10
     self.currentRadius = self.initialRadius
     self.shrinkRate = 0.2
+
+    random = math.random(1, 4)
+    self.boomSound = playdate.sound.fileplayer.new("assets/audio/boom" .. random)
+    self.boomSound:setVolume(0.5)
     
     self.isActive = true
+    -- Variables for random movement
+    self.randomMovementTimer = 0
+    self.randomXVelocity = 0
+    self.randomYVelocity = 0
 
+    local size = self.initialRadius * 2
+    self.spriteSize = size
+    self:setSize(size, size)
     self:moveTo(x, y)
-
+    self:setCenter(0.5, 0.5)
+    
     print("Granade init")
     print(self.x, self.y)
+    self:add(x, y)
+    self:markDirty()
 end
 
 function Granade:update()
     if self.isActive then 
+        if BomberScene.instance then
+            self:moveBy(0, BomberScene.instance.scrollSpeed - 0.2)
+            
+            self.randomMovementTimer = self.randomMovementTimer + 1
+            
+            if self.randomMovementTimer >= 10 then
+                self.randomMovementTimer = 0
+                self.randomXVelocity = math.random(-50, 50) / 100
+                self.randomYVelocity = math.random(-5, 10) / 100
+            end
+            
+            self:moveBy(self.randomXVelocity, self.randomYVelocity)
+        end
+        
         self.currentRadius = self.currentRadius - self.shrinkRate
     
         if self.currentRadius <= 0 then
             print("Granade deactivated")
             self.isActive = false
+            local particleB = ParticlePoly(self.x, self.y)
+            particleB:setThickness(1)
+            particleB:setAngular(-5, 5122)
+            particleB:setSize(1, 2)
+            particleB:setSpeed(1, 20)
+            particleB:setMode(Particles.modes.STAY)
+            particleB:setBounds(0, 0, 400, 240)
+            particleB:setColour(Graphics.kColorXOR)
+            particleB:add(20)
+            self.boomSound:play(1)
+            screenShake(1000, 5)
+            SmallBoom()
+            ExplosionMark(self.x, self.y)
+            
             self:remove()
         end
     end
-    self:draw()
+    self:markDirty()
 end
 
 function Granade:draw()
-    playdate.graphics.fillCircleAtPoint(self.x, self.y, self.currentRadius)
+    local centerX = self.spriteSize / 2
+    local centerY = self.spriteSize / 2
+    playdate.graphics.fillCircleAtPoint(centerX, centerY, self.currentRadius)
 end