Ejemplo n.º 1
0
func main() {
	glRenderer := opengl.NewOpenglRenderer("Lighting", 1920, 1080, true)
	gameEngine := engine.NewEngine(glRenderer)
	gameEngine.InitFpsDial()

	gameEngine.Start(func() {

		shader, err := assets.ImportShader("shaders/build/pbr.vert", "shaders/build/pbr.frag")
		if err != nil {
			panic("error importing shader")
		}
		gameEngine.DefaultShader(shader)

		fetchAssets(gameEngine, func() {
			setupScene(gameEngine, shader)
		})

		// input/controller manager
		controllerManager := glfwController.NewControllerManager(glRenderer.Window)

		// camera + wasd controls
		freeMoveActor := actor.NewFreeMoveActor(gameEngine.Camera())
		freeMoveActor.Location = mgl32.Vec3{-6, 2, -6}
		freeMoveActor.MoveSpeed = 1.5
		mainController := controller.NewBasicMovementController(freeMoveActor, false)
		controllerManager.AddController(mainController.(glfwController.Controller))
		gameEngine.AddUpdatable(freeMoveActor)

		//lock the cursor
		glRenderer.LockCursor(true)

		// custom key bindings
		customController := controller.CreateController()
		controllerManager.AddController(customController.(glfwController.Controller))

		// close window and exit on escape
		customController.BindKeyAction(func() {
			glRenderer.Window.SetShouldClose(true)
		}, controller.KeyEscape, controller.Press)
	})
}
Ejemplo n.º 2
0
func (e *Editor) Start() {

	glRenderer := opengl.NewOpenglRenderer("GoEngine Editor", 1800, 900, false)
	e.renderer = glRenderer
	e.gameEngine = engine.NewEngine(e.renderer)

	e.gameEngine.Start(func() {

		shader, err := assets.ImportShader(
			filepath.Join(e.assetDir, "shaders/build/pbr.vert"),
			filepath.Join(e.assetDir, "shaders/build/pbr.frag"),
		)
		if err != nil {
			panic("error importing shader")
		}

		e.gameEngine.DefaultShader(shader)

		// Sky cubemap
		skyImg, err := assets.ImportImage(filepath.Join(e.assetDir, "resources/cubemap.png"))
		if err == nil {
			geom := renderer.CreateSkyBox()
			geom.Transform(mgl32.Scale3D(10000, 10000, 10000))
			skyNode := renderer.NewNode()
			skyNode.SetOrientation(mgl32.QuatRotate(1.57, mgl32.Vec3{0, 1, 0}))
			skyNode.Material = renderer.NewMaterial(renderer.NewTexture("diffuseMap", skyImg, false))
			skyNode.RendererParams = renderer.NewRendererParams()
			skyNode.RendererParams.CullBackface = false
			skyNode.RendererParams.Unlit = true
			skyNode.Add(geom)
			e.gameEngine.AddSpatial(skyNode)
			// create an environmentMap using the skybox texture
			envCubeMap := renderer.NewCubemap("environmentMap", skyImg, true)
			e.gameEngine.DefaultCubeMap(envCubeMap)
		}

		l := renderer.NewLight(renderer.DIRECTIONAL)
		l.Color = [3]float32{0.7, 0.7, 0.8}
		e.gameEngine.AddLight(l)

		//root node
		e.gameEngine.AddSpatial(e.rootMapNode)

		//input/controller manager
		e.controllerManager = glfwController.NewControllerManager(glRenderer.Window)

		//camera + player
		camera := e.gameEngine.Camera()
		freeMoveActor := actor.NewFreeMoveActor(camera)
		freeMoveActor.MoveSpeed = 20.0
		freeMoveActor.LookSpeed = 0.002
		mainController := controller.NewBasicMovementController(freeMoveActor, true)
		e.controllerManager.AddController(mainController.(glfwController.Controller))
		e.gameEngine.AddUpdatable(freeMoveActor)

		e.initSelectSprite()
		e.gameEngine.AddUpdatable(engine.UpdatableFunc(e.updateSelectSprite))

		//editor controller
		e.controllerManager.AddController(NewEditorController(e).(glfwController.Controller))

		//custom controller
		e.customController = controller.CreateController()
		e.controllerManager.AddController(e.customController.(glfwController.Controller))

		e.setupUI()
	})
}
Ejemplo n.º 3
0
func main() {

	glRenderer := opengl.NewOpenglRenderer("Simple", 800, 800, false)
	gameEngine := engine.NewEngine(glRenderer)
	gameEngine.InitFpsDial()

	gameEngine.Start(func() {

		if shader, err := assets.ImportShader("shaders/build/basic.vert", "shaders/build/basic.frag"); err == nil {
			gameEngine.DefaultShader(shader)
		}

		// sky cube
		skyImg, err := assets.ImportImage("resources/cubemap.png")
		if err == nil {
			geom := renderer.CreateSkyBox()
			geom.Transform(mgl32.Scale3D(10000, 10000, 10000))
			skyNode := renderer.NewNode()
			skyNode.SetOrientation(mgl32.QuatRotate(1.57, mgl32.Vec3{0, 1, 0}))
			skyNode.Material = renderer.NewMaterial(renderer.NewTexture("diffuseMap", skyImg, false))
			skyNode.RendererParams = renderer.NewRendererParams()
			skyNode.RendererParams.CullBackface = false
			skyNode.RendererParams.Unlit = true
			skyNode.Add(geom)
			gameEngine.AddSpatial(skyNode)
		}

		// Add some light to the scene
		ambientLight := renderer.NewLight(renderer.AMBIENT)
		ambientLight.Color = [3]float32{0.3, 0.3, 0.3}
		gameEngine.AddLight(ambientLight)

		// Create a red box geometry, attach to a node, add the node to the scenegraph
		boxGeometry := renderer.CreateBox(10, 10)
		boxGeometry.SetColor(color.NRGBA{254, 0, 0, 254})
		boxNode := renderer.NewNode()
		boxNode.RendererParams = renderer.NewRendererParams()
		boxNode.RendererParams.CullBackface = false
		boxNode.Material = renderer.NewMaterial()
		boxNode.SetTranslation(mgl32.Vec3{30, 0})
		boxNode.Add(boxGeometry)
		gameEngine.AddSpatial(boxNode)

		// make the box spin
		var angle float64
		gameEngine.AddUpdatable(engine.UpdatableFunc(func(dt float64) {
			angle += dt
			q := mgl32.QuatRotate(float32(angle), mgl32.Vec3{0, 1, 0})
			boxNode.SetOrientation(q)
		}))

		// input/controller manager
		controllerManager := glfwController.NewControllerManager(glRenderer.Window)

		// camera + wasd controls
		camera := gameEngine.Camera()
		freeMoveActor := actor.NewFreeMoveActor(camera)
		freeMoveActor.Location = mgl32.Vec3{}
		mainController := controller.NewBasicMovementController(freeMoveActor, false)
		controllerManager.AddController(mainController.(glfwController.Controller))
		gameEngine.AddUpdatable(freeMoveActor)

		//lock the cursor
		glRenderer.LockCursor(true)

		// custom key bindings
		customController := controller.CreateController()
		controllerManager.AddController(customController.(glfwController.Controller))

		// close window and exit on escape
		customController.BindKeyAction(func() {
			glRenderer.Window.SetShouldClose(true)
		}, controller.KeyEscape, controller.Press)
	})
}