Mothback/data/scripts/camera.lua

26 lines
665 B
Lua

Camera = {
pos = {x = 0, y = 0},
width = 0,
height = 0
}
function Camera:CenterAt(x,y,cx,cy)
self.pos.x = x-self.width/(2*game.scale)
self.pos.y = y-self.height/(2*game.scale)
cx = cx - self.width
cy = cy - self.height
if not (cx == nil or cy == nil) then
if self.pos.x > cx then self.pos.x = cx end
if self.pos.y > cy then self.pos.y = cy end
if self.pos.x < 0 then self.pos.x = 0 end
if self.pos.y < 0 then self.pos.y = 0 end
end
self.pos.x = math.floor(self.pos.x)
self.pos.y = math.floor(self.pos.y)
end
function Camera:ScreenAt(x,y)
self.pos.x = math.floor(x/self.width)*self.width
self.pos.y = math.floor(y/self.height)*self.height
end