49 lines
1.1 KiB
Lua
49 lines
1.1 KiB
Lua
Particle = Entity:New(x,y)
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function Particle:New(x,y,animation,rotation,speed)
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local o = Entity:New(x,y)
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o.pos = {x = x, y = y}
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o.speed = speed or 0
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o.sprite_rotation = rotation or 0
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o.time = 0.5
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o.timer = 0
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o.vel = {
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x = o.speed * math.cos(o.sprite_rotation),
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y = o.speed * math.sin(o.sprite_rotation)
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}
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-- animations
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o.body = Animation:New(animation)
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table.insert(LoadedEntities,o)
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o.id = #LoadedEntities
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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 Particle:Smart()
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end
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function Particle:HandleAnimation()
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self.body:Animate()
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self.timer = self.timer + current_dt
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self.sprite_alpha = (self.time-self.timer)/self.time
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if self.sprite_alpha < 0 then self:Kill() end
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self:Draw(self.body)
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end
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function Particle:DoPhysics()
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if not self:isCollidingAt(self.pos.x + self.vel.x, self.pos.y, objects.collisions) then
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self.pos.x = self.pos.x + self.vel.x
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end
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if not self:isCollidingAt(self.pos.x, self.pos.y + self.vel.y, objects.collisions) then
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self.pos.y = self.pos.y + self.vel.y
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end
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end
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