76 lines
1.3 KiB
Lua
76 lines
1.3 KiB
Lua
Animation = {}
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function Animation:New(anim_data)
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local o = {}
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o.path = anim_data.path
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o.frames = anim_data.frames
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o.speed = anim_data.speed
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o.imgs = anim_data.imgs
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o.subframe = 0
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o.frame = 1
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setmetatable(o, self)
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self.__index = self
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return o
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end
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function Animation:ChangeTo(anim_data)
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if anim_data.path == self.path
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then
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return self
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else
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return Animation:New(anim_data)
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end
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end
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-- to manually handle what frame
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function Animation:DrawFrame(frame, x, y, rotate, sx, sy)
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if frame > self.frames then
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frame = self.frames
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end
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local x = x or 0
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local y = y or 0
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local sx = sx or 1
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local sy = sy or 1
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love.graphics.draw(
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self.imgs[frame],
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x - Camera.pos.x,
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y - Camera.pos.y,
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rotate,
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sx,
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sy
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)
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end
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-- to linearly animate
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function Animation:Animate()
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-- try to animate
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self.subframe = self.subframe + current_dt
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if self.subframe > self.speed then
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self.frame = self.frame + 1
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self.subframe = self.subframe - self.speed
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end
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-- cycle
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if self.frame >= self.frames+1 then
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self.frame = self.frame - self.frames
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end
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end
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-- to draw the current frame
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function Animation:Draw(x, y, rotate, sx, sy)
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local x = x or 0
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local y = y or 0
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local sx = sx or 1
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local sy = sy or 1
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love.graphics.draw(
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self.imgs[self.frame],
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x,
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y,
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rotate,
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sx,
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sy
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)
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end
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