64 lines
1.5 KiB
Lua
64 lines
1.5 KiB
Lua
local Animator = Object:extend()
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function Animator:new(sprite)
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self.sprite = sprite
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self.frame = 1
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self.frameTimer = 0
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self.currentAnimation = ""
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self.animationData = {}
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self.customSpeed = 0
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self:changeToDefaultAnimation()
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end
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function Animator:setCustomSpeed(customSpeed)
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self.customSpeed = customSpeed or 0
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end
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function Animator:update(dt)
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if (self.currentAnimation == "") then
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print("warning: no current animation data")
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return 0
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end
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local speed = self.animationData.speed
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if (self.animationData.speed) == -1 then
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speed = self.customSpeed --math.abs(self.xsp / 16)
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end
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self.frameTimer = self.frameTimer + (speed * dt)
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if self.frameTimer > 1 then
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self.frameTimer = 0
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if self.frame == self.animationData.endAt then
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self.frame = self.animationData.loop
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else
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self.frame = self.frame + 1
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end
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end
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end
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function Animator:getFrame()
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return self.frame
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end
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function Animator:draw(x, y, r, sx, sy, ox, oy, kx, ky)
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self.sprite:drawFrame(self.frame, x, y, r, sx, sy, ox, oy, kx, ky)
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end
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function Animator:changeAnimation(name, restart)
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self.currentAnimation = name
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self.animationData = self.sprite.data.animations[self.currentAnimation]
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local restart = restart or true
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if (restart) then
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self.frame = self.animationData.startAt
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self.frameTimer = 0
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end
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end
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function Animator:changeToDefaultAnimation(restart)
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self:changeAnimation(self.sprite.data.metadata.defaultAnim, restart)
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end
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return Animator
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