3d.lua

local l3d  = require "love3d"
local cpml = require "cpml"

-- ...

function love.draw()
	l3d.set_depth_test "less"
	love.graphics.setShader(shader)

	local w, h = love.graphics.getDimensions()

	local proj = cpml.mat4.from_perspective(60, w/h, 0.1, 1000.0)
	local model, view = cpml.mat4(), cpml.mat4()

	-- set camera to Y+5, Z-up, looking at 0,0,0
	view:look_at(cpml.mat4(),
		cpml.vec3(0, 5, 0),
		cpml.vec3(0, 0, 0),
		cpml.vec3(0, 0, 1)
	)
	
	-- move model up 1 unit
	model:identity()
	model:translate(model, cpml.vec3(0, 0, 1))

	shader:send("u_projection", proj)
	shader:send("u_view", view)
	shader:send("u_model", model)

	love.graphics.draw(model.mesh)

	love.graphics.setShader()
	l3d.set_depth_test()
end