light_world.lua/lib/util.lua
2014-12-17 23:16:29 -05:00

53 lines
1.3 KiB
Lua

local util = {}
function util.drawCanvasToCanvas(canvas, other_canvas, options)
options = options or {}
util.drawto(other_canvas, 0, 0, 1, function()
if options["blendmode"] then
love.graphics.setBlendMode(options["blendmode"])
end
if options["shader"] then
love.graphics.setShader(options["shader"])
end
if options["stencil"] then
love.graphics.setInvertedStencil(options["stencil"])
end
if options["istencil"] then
love.graphics.setInvertedStencil(options["istencil"])
end
if options["color"] then
love.graphics.setColor(unpack(options["color"]))
else
love.graphics.setColor(255,255,255)
end
love.graphics.draw(canvas,0,0)
if options["blendmode"] then
love.graphics.setBlendMode("alpha")
end
if options["shader"] then
love.graphics.setShader()
end
if options["stencil"] then
love.graphics.setInvertedStencil()
end
if options["istencil"] then
love.graphics.setInvertedStencil()
end
end)
end
function util.drawto(canvas, x, y, scale, cb)
local last_buffer = love.graphics.getCanvas()
love.graphics.push()
love.graphics.origin()
love.graphics.setCanvas(canvas)
love.graphics.translate(x, y)
love.graphics.scale(scale)
cb()
love.graphics.setCanvas(last_buffer)
love.graphics.pop()
end
return util