diff options
Diffstat (limited to 'not/Camera.lua')
| -rw-r--r-- | not/Camera.lua | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/not/Camera.lua b/not/Camera.lua index c5449d3..402a32b 100644 --- a/not/Camera.lua +++ b/not/Camera.lua @@ -1,4 +1,5 @@ --- Used in drawing other stuff in places. +-- TODO: Support for real scale translations. Camera = require "not.Object":extends() Camera.SHAKE_LENGTH = 0.6 @@ -25,26 +26,29 @@ function Camera:push () love.graphics.push() end +-- TODO: self._scale usage is temporary, used for real scaling. function Camera:scale (scale) scale = scale or getScale() love.graphics.scale(scale, scale) + self._scale = scale end --- TODO: Even more magic numbers present in Camera. Translate method. function Camera:translate (ratio) local px, py = self:getPosition() local dx, dy = self:getShake() + local ox, oy = self:getHalfViewSize() if ratio then dx = dx * ratio dy = dy * ratio px = px * ratio py = py * ratio end - love.graphics.translate(160 - px - dx, 90 - py - dy) + love.graphics.translate(ox - px - dx, oy - py - dy) end function Camera:pop () love.graphics.pop() + self._scale = nil end function Camera:setPosition (x, y) @@ -57,12 +61,24 @@ function Camera:getPosition () return self.x, self.y end --- TODO: Magic numbers present in camera's boundaries. function Camera:getBoundaries () local x, y = self:getPosition() - return x - 160, y - 90, x + 160, y + 90 + local width, height = self:getHalfViewSize() + return x - width, y - height, x + width, y + height end +-- TODO: Review getViewSize of Camera. +function Camera:getViewSize () + local scale = self._scale or getScale() + local width = love.graphics.getWidth() / scale + local height = love.graphics.getHeight() / scale + return width, height +end + +function Camera:getHalfViewSize () + local width, height = self:getViewSize() + return width / 2, height / 2 +end function Camera:startShake () self.shakeTime = Camera.SHAKE_LENGTH |