51 lines
1.2 KiB
Lua
51 lines
1.2 KiB
Lua
Camera = {
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pos = {x = 0, y = 0},
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width = 0,
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height = 0
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}
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function Camera:followPlayer(player)
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local pos = player.pos
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local room = player:getCollidingAt(pos.x,pos.y,LoadedObjects.Rooms)
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self:positionCenterAt(pos.x, pos.y)
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self:confineTo(room)
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end
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function Camera:confineTo(box)
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if box == nil then
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--frameDebug("not in a room")
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return
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end
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--frameDebug("in a room")
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local w = self.width/game.scale
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local h = self.height/game.scale
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-- bottom edge
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self.pos.y = math.min(self.pos.y+h, box.to.y)-h
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-- right edge
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self.pos.x = math.min(self.pos.x+w, box.to.x)-w
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-- top edge
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self.pos.y = math.max(self.pos.y, box.from.y)
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-- left edge
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self.pos.x = math.max(self.pos.x, box.from.x)
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end
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function Camera:ConfineToLevel()
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self.pos.x = math.max(0,math.min(self.pos.x,LevelData.Width-self.width/game.scale))
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self.pos.y = math.max(0,math.min(self.pos.y,LevelData.Height-self.height/game.scale))
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end
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function Camera:positionCenterAt(x,y)
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self.pos.x = x-self.width/game.scale/2
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self.pos.y = y-self.height/game.scale/2
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--self:ConfineToLevel()
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end
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function Camera:positionAt(x,y)
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self.pos.x = math.floor((x/self.width)*self.width)
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self.pos.y = math.floor((y/self.height)*self.height)
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end
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