chore(camera): simplify view system
Remove view.cam and view.pos
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1 changed files with 29 additions and 38 deletions
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@ -92,13 +92,13 @@ end
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function CameraSystem:recalculateViewsPositions()
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if #self.views.list == 1 then
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self.views.list[1].pos.onScreen.x = 0
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self.views.list[1].pos.onScreen.y = 0
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self.views.list[1].onScreen.x = 0
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self.views.list[1].onScreen.y = 0
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else
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for i,v in ipairs(self.views.list) do
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local x, y = self:getViewPositions(i)
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self.views.list[i].pos.onScreen.x = x
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self.views.list[i].pos.onScreen.y = y
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self.views.list[i].onScreen.x = x
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self.views.list[i].onScreen.y = y
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end
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end
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end
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@ -135,14 +135,12 @@ function CameraSystem:addView(x, y, target)
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local view = {}
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view.pos = {}
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view.pos.x = x or 0
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view.pos.y = y or 0
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view.pos.onScreen = {}
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view.x = x or 0
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view.y = y or 0
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view.scale = 1
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view.onScreen = {}
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view.cam = {}
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view.cam.scale = 1
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view.cam.x = x
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view.cam.y = y
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-- TODO: add a target system in order to make a camera able
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-- to target a specific object
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view.target = target
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@ -164,12 +162,6 @@ function CameraSystem:getView(id)
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return self.views.list[id]
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end
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function CameraSystem:getViewCam(id)
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local view = self:getView(id)
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return view.cam
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end
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function CameraSystem:attachView(id)
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if (id ~= nil) then
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local view = self:getView(id)
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@ -192,7 +184,7 @@ function CameraSystem:attachView(id)
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love.graphics.push()
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love.graphics.origin()
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love.graphics.translate(math.floor(tx), math.floor(ty))
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love.graphics.scale(view.cam.scale, view.cam.scale)
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love.graphics.scale(view.scale, view.scale)
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end
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end
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@ -217,15 +209,14 @@ end
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function CameraSystem:getViewCoordinate(id)
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local view = self:getView(id)
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local cam = self:getViewCam(id)
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local viewx, viewy, vieww, viewh
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vieww = self.views.width / cam.scale
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viewh = self.views.height / cam.scale
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vieww = self.views.width / view.scale
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viewh = self.views.height / view.scale
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viewx = view.pos.x - (vieww / 2)
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viewy = view.pos.y - (viewh / 2)
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viewx = view.x - (vieww / 2)
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viewy = view.y - (viewh / 2)
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return viewx, viewy, vieww, viewh
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end
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@ -235,8 +226,8 @@ function CameraSystem:getOnScreenViewCoordinate(id)
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local viewx, viewy, vieww, viewh
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local basex, basey = (self.views.basewidth / 2), (self.views.baseheight / 2)
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viewx = (basex) + view.pos.onScreen.x - (self.views.width / 2)
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viewy = (basey) + view.pos.onScreen.y - (self.views.height / 2)
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viewx = (basex) + view.onScreen.x - (self.views.width / 2)
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viewy = (basey) + view.onScreen.y - (self.views.height / 2)
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viewx, viewy = core.screen:getScreenCoordinate(viewx, viewy)
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@ -250,8 +241,8 @@ function CameraSystem:getOnScreenViewRelativePosition(id)
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local viewx, viewy
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local basex, basey = (self.views.basewidth / 2), (self.views.baseheight / 2)
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viewx = view.pos.onScreen.x
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viewy = view.pos.onScreen.y
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viewx = view.onScreen.x
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viewy = view.onScreen.y
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return core.screen:getScreenCoordinate(viewx, viewy)
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end
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@ -261,30 +252,30 @@ function CameraSystem:getOnScreenViewCenter(id)
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local viewx, viewy
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local basex, basey = (self.views.basewidth / 2), (self.views.baseheight / 2)
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viewx = (basex) + view.pos.onScreen.x
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viewy = (basey) + view.pos.onScreen.y
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viewx = (basex) + view.onScreen.x
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viewy = (basey) + view.onScreen.y
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return core.screen:getScreenCoordinate(viewx, viewy)
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end
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function CameraSystem:getViewScale(id)
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local cam = self:getViewCam(id)
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local view = self:getView(id)
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return cam.scale
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return view.scale
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end
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function CameraSystem:limitView(id)
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local viewx, viewy, vieww, viewh = self:getViewCoordinate(id)
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local worldw, worldh = self.world:getDimensions()
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local posx = self.views.list[id].pos.x
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local posy = self.views.list[id].pos.y
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local posx = self.views.list[id].x
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local posy = self.views.list[id].y
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local minx = self.views.width / 2
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local miny = self.views.height / 2
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local maxx = worldw - minx
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local maxy = worldh - miny
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self.views.list[id].pos.x = utils.math.between(posx, minx, maxx)
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self.views.list[id].pos.y = utils.math.between(posy, miny, maxy)
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self.views.list[id].x = utils.math.between(posx, minx, maxx)
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self.views.list[id].y = utils.math.between(posy, miny, maxy)
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end
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-- UPDATE and MOVE functions
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@ -301,8 +292,8 @@ function CameraSystem:update(dt)
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end
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function CameraSystem:moveView(id, x, y)
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self.views.list[id].pos.x = x
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self.views.list[id].pos.y = y
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self.views.list[id].x = x
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self.views.list[id].y = y
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self:limitView(id)
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end
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@ -357,7 +348,7 @@ function CameraSystem:followAllActors(id)
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local scalex = (maxX-minX)/ww
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local scaley = (maxY-minY)/hh
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scale = math.max(scale, scalex, scaley)
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view.cam.scale = 1/scale
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view.scale = 1/scale
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self.world:resizeMap(ww * 3, hh * 3)
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end
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