Exemplo n.º 1
0
func initWindow(sys system.System, width int, height int) {
	sys.CreateWindow(10, 10, width, height)
	sys.EnableVSync(true)
	err := gl.Init()
	if err != nil {
		panic(err)
	}
	// gl.Ortho(gl.Double(0), gl.Double(width), gl.Double(0), gl.Double(height),
	// 	1000, -1000)
}
Exemplo n.º 2
0
func (camera *cameraInfo) doArchitectFocusRegion(g *Game, sys system.System) {
	if camera.limit.mid.X == 0 && camera.limit.mid.Y == 0 {
		// On the very first frame the limit midpoint will be (0,0), which should
		// never happen after the game begins.  We use this as an opportunity to
		// init the data now that we know the region we're working with.
		rdx := float64(g.Levels[GidInvadersStart].Room.Dx)
		rdy := float64(g.Levels[GidInvadersStart].Room.Dy)
		if camera.regionDims.X/camera.regionDims.Y > rdx/rdy {
			camera.limit.dims.Y = rdy
			camera.limit.dims.X = rdy * camera.regionDims.X / camera.regionDims.Y
		} else {
			camera.limit.dims.X = rdx
			camera.limit.dims.Y = rdx * camera.regionDims.Y / camera.regionDims.X
		}
		camera.limit.mid.X = rdx / 2
		camera.limit.mid.Y = rdy / 2
		camera.current = camera.limit
		camera.zoom = 0
		base.Log().Printf("Region Dims: %2.2v", camera.regionDims)
		base.Log().Printf("Room Dims: %2.2v %2.2v", rdx, rdy)
		base.Log().Printf("Limit Dims: %2.2v", camera.limit.dims)
	}
	wheel := gin.In().GetKeyFlat(gin.MouseWheelVertical, gin.DeviceTypeAny, gin.DeviceIndexAny)
	camera.zoom += wheel.FramePressAmt() / 500
	if camera.zoom < 0 {
		camera.zoom = 0
	}
	if camera.zoom > 2 {
		camera.zoom = 2
	}
	zoom := 1 / math.Exp(camera.zoom)
	camera.current.dims = camera.limit.dims.Scale(zoom)
	if gin.In().GetKey(gin.AnySpace).CurPressAmt() > 0 {
		if !camera.cursorHidden {
			sys.HideCursor(true)
			camera.cursorHidden = true
		}
		x := gin.In().GetKey(gin.AnyMouseXAxis).FramePressAmt()
		y := gin.In().GetKey(gin.AnyMouseYAxis).FramePressAmt()
		camera.current.mid.X -= float64(x) * 2
		camera.current.mid.Y -= float64(y) * 2
	} else {
		if camera.cursorHidden {
			sys.HideCursor(false)
			camera.cursorHidden = false
		}
	}
}
Exemplo n.º 3
0
func LocalThink(sys system.System, engine *cgf.Engine, game *Game) {
	sys.Think()
	engine.Pause()

	// We might have no level if the event has not gone through yet.
	if game.Level != nil {
		render.Queue(func() {
			game.Render()
			sys.SwapBuffers()
		})
		game.Level.LocalThink(sys, engine)
	}

	render.Purge()
	engine.Unpause()
}
Exemplo n.º 4
0
func initWindow(sys system.System, width int, height int) {
	sys.CreateWindow(10, 10, width, height)
	sys.EnableVSync(false)

	err := gl.Init()
	if err != nil {
		panic(err)
	}

	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.EnableClientState(gl.VERTEX_ARRAY)
	gl.EnableClientState(gl.COLOR_ARRAY)
	gl.Enable(gl.CULL_FACE)
	gl.FrontFace(gl.CW)

	gl.ClearColor(0, 0, 0, 1)
}
Exemplo n.º 5
0
func (l *Level) LocalThink(sys system.System, engine *cgf.Engine) {
	// Convert the mouse screen coordinates to paddleWidth, paddleHeight range.
	pixelX, pixelY := sys.GetCursorPos()
	pb := &l.LevelBlueprint.Players[0]
	transformedX := float64(pixelX-Config.WindowWidth/2) *
		(pb.PaddleAreaWidth / float64(Config.WindowWidth))
	transformedY := -float64(pixelY-Config.WindowHeight/2) *
		(pb.PaddleAreaHeight / float64(Config.WindowHeight))

	// Clip this to a valid range.
	p := &l.Paddle
	x := math.Max(-pb.PaddleAreaWidth/2+p.Width/2,
		math.Min(transformedX, pb.PaddleAreaWidth/2-p.Width/2))
	y := math.Max(-pb.PaddleAreaHeight/2+p.Height/2,
		math.Min(transformedY, pb.PaddleAreaHeight/2-p.Height/2))

	// Create the event.
	engine.ApplyEvent(&MovePlayerEvent{x, y})
}