example.lua

function love.draw()
    local canvas, x, y, width, height, rotation, scaleX, scaleY, offsetX, offsetY = Scene:getRender()
    love.graphics.setShader(crtShader)
    love.graphics.draw(canvas, x, y, width, height, rotation, scaleX, scaleY, offsetX, offsetY)
end

    scene.getRender = function (self, drawArg)
        love.graphics.setColor(1,1,1)
        love.graphics.setCanvas({self.threeCanvas, depth=true})
        love.graphics.clear(0,0,0,0)
        love.graphics.setShader(self.threeShader)

        -- compile camera data into usable view to send to threeShader
        local Camera = self.camera
        local camTransform = cpml.mat4()
        camTransform:rotate(camTransform, Camera.angle.y, cpml.vec3.unit_x)
        camTransform:rotate(camTransform, Camera.angle.x, cpml.vec3.unit_y)
        camTransform:rotate(camTransform, Camera.angle.z, cpml.vec3.unit_z)
        camTransform:translate(camTransform, Camera.pos*-1)
        self.threeShader:send("view", Camera.perspective * TransposeMatrix(camTransform))
        self.threeShader:send("ambientLight", self.ambientLight)
        self.threeShader:send("ambientVector", self.ambientVector)

        -- go through all models in modelList and draw them
        for i=1, #self.modelList do
            local model = self.modelList[i]
            if model ~= nil and model.visible and #model.verts > 0 then
                self.threeShader:send("model_matrix", model.transform)
                self.threeShader:send("model_matrix_inverse", TransposeMatrix(InvertMatrix(model.transform)))

                love.graphics.setWireframe(model.wireframe)
                if model.culling then
                    love.graphics.setMeshCullMode("back")
                end

                love.graphics.draw(model.mesh, -self.renderWidth/2, -self.renderHeight/2)

                love.graphics.setMeshCullMode("none")
                love.graphics.setWireframe(false)
            end
        end

        love.graphics.setShader()
        love.graphics.setCanvas()

        love.graphics.setColor(1,1,1)
        if drawArg == nil or drawArg == true then
            return self.threeCanvas, self.renderWidth/2, self.renderHeight/2, 0, 1,-1, self.renderWidth/2, self.renderHeight/2
            --love.graphics.draw(self.threeCanvas, self.renderWidth/2,self.renderHeight/2, 0, 1,-1, self.renderWidth/2, self.renderHeight/2)
        end
    end