Skeletal animation

Load a skinned model, create a model from it, and pass its first animation to an animator. The clip starts playing immediately and loops without any input.


    


    

        

            main.lua
            

                
            

        

        

            
local natiny = require("natiny")

natiny.backend.init(arg and arg[1] or natiny.backend.AUTO)

local window = natiny.window.create("Natiny - Skeletal animation", 1280, 720)
natiny.window.set_scale_mode(window, natiny.window.SCALE_MODE_STRETCH)

local MODEL_PATH = "common/models/RobotExpressive.glb"
local BG = natiny.color.from_hex("#151E2C")

local camera

local function build()
    local resource = natiny.resource.load(MODEL_PATH)
    local mesh = natiny.mesh.load(resource)
    natiny.resource.destroy(resource)
    local robot = natiny.model.create(mesh)
    natiny.entity.set_scale(robot, 0.35, 0.35, 0.35)

    local first_animation = natiny.mesh.get_animation(mesh, 0)
    natiny.animator.create(robot, first_animation)

    camera = natiny.camera.create()
    natiny.entity.set_position(camera, natiny.entity.SPACE_WORLD, 0.0, 1.4, 2.6)
    natiny.entity.look_at(camera, 0.0, 0.6, 0.0)
end

local function frame()
    natiny.window.bind(window, function()
        natiny.render.clear(BG)
        natiny.camera.bind(camera, function()
            natiny.render.tag("model")
        end)
    end)
end

build()

natiny.backend.loop(function(dt)
    frame(dt)
end)

natiny.backend.shutdown()