feat: handle changing animations speed

sonic-radiance.love/birb/modules/assets/types/animator.lua

@@ -35,6 +35,7 @@ function Animator:new(sprite)
   self.animationData = {}
 
   self.customSpeed = 0
+  self.speedFactor = 1
 
   self:changeToDefaultAnimation()
 end
@@ -43,6 +44,10 @@ function Animator:setCustomSpeed(customSpeed)
   self.customSpeed = customSpeed or 0
 end
 
+function Animator:setSpeedFactor(speedFactor)
+  self.speedFactor = speedFactor or 1
+end
+
 -- UPDATE FUNCTIONS
 -- Update the animation of the animator
 
@@ -56,7 +61,7 @@ function Animator:update(dt)
   if (self.animationData.speed) == -1 then
     speed = self.customSpeed --math.abs(self.xsp / 16)
   end
-  self.frameTimer = self.frameTimer + (speed * dt)
+  self.frameTimer = self.frameTimer + (speed * dt * self.speedFactor)
   if self.frameTimer > 1 then
     self.frameTimer = 0
     if self.frame == self.animationData.endAt then

sonic-radiance.love/birb/modules/assets/types/sprites.lua

@@ -63,6 +63,10 @@ function Sprite:changeAnimation(name, restart)
   self.animator:changeAnimation(name, restart)
 end
 
+function Sprite:setSpeedFactor(speedFactor)
+  self.animator:setSpeedFactor(speedFactor)
+end
+
 -- INFO FUNCTIONS
 -- get information with these functions