Golang gl.Ortho函数代码示例

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本文整理汇总了Golang中github.com/go-gl/gl.Ortho函数的典型用法代码示例。如果您正苦于以下问题：Golang Ortho函数的具体用法？Golang Ortho怎么用？Golang Ortho使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了Ortho函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: Enter

func (wc WindowCoords) Enter() {
	w, h := GetViewportWH()
	Matrix{gl.PROJECTION}.Enter()
	if !wc.NoReset {
		gl.LoadIdentity()
	}
	if wc.Invert {
		gl.Ortho(0, float64(w), float64(h), 0, -1, 1)
	} else {
		gl.Ortho(0, float64(w), 0, float64(h), -1, 1)
	}
	Matrix{gl.MODELVIEW}.Enter()
	gl.LoadIdentity()
}

开发者ID:pwaller，项目名称:glh，代码行数:14，代码来源:context.go

示例2: Reshape

func (v *Video) Reshape(width int, height int) {
	x_offset := 0
	y_offset := 0

	r := ((float64)(height)) / ((float64)(width))

	if r > 0.9375 { // Height taller than ratio
		h := (int)(math.Floor((float64)(0.9375 * (float64)(width))))
		y_offset = (height - h) / 2
		height = h
	} else if r < 0.9375 { // Width wider
		var scrW, scrH float64
		if ppu.OverscanEnabled {
			scrW = 240.0
			scrH = 224.0
		} else {
			scrW = 256.0
			scrH = 240.0
		}

		w := (int)(math.Floor((float64)((scrH / scrW) * (float64)(height))))
		x_offset = (width - w) / 2
		width = w
	}

	gl.Viewport(x_offset, y_offset, width, height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(-1, 1, -1, 1, -1, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Disable(gl.DEPTH_TEST)
}

开发者ID:richardjoo，项目名称:Fergulator，代码行数:33，代码来源:video.go

示例3: Reshape

func Reshape(w, h int) {
	gl.Viewport(0, 0, w, h)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, 100, 0, 100, -1, 1)
	gl.MatrixMode(gl.MODELVIEW)
}

开发者ID:rick-monster，项目名称:gopong，代码行数:7，代码来源:view.go

示例4: initWindow

func initWindow() {

	// Function called to do the re-rendering
	glut.DisplayFunc(display)
	// Called when the visibility of the program changes
	glut.VisibilityFunc(visible)
	// Called when a regular ascii character is pressed
	glut.KeyboardFunc(keyboardIn)
	// Called when any non-ascii character is pressed
	glut.SpecialFunc(specialIn)
	// Called when the size of the window changes
	glut.ReshapeFunc(reshape)

	// affect our projection matrix
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity() // Load an identity matrix -> projection
	// Specify the bounds of the of our scene
	gl.Ortho(0, 40, 0, 40, 0, 40)

	// Now affect our modelview matrix
	gl.MatrixMode(gl.MODELVIEW)
	// Make points be rendererd larger
	gl.PointSize(3.0)

	currentWindow = glut.GetWindow()
}

开发者ID:KUGDC，项目名称:GoServe，代码行数:26，代码来源:simple.go

示例5: InitDisplay

func InitDisplay() {
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, 100, 0, 100, -1, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.PointSize(3.0)
}

开发者ID:rick-monster，项目名称:gopong，代码行数:7，代码来源:view.go

示例6: reshape

func reshape(w, h int) {
	gl.Viewport(0, 0, w, h)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, float64(w), 0, float64(h), -1, 1)
	gl.Scalef(1, -1, 1)
	gl.Translatef(0, float32(-h), 0)
	gl.MatrixMode(gl.MODELVIEW)
}

开发者ID:himanshushekhar，项目名称:glut，代码行数:9，代码来源:fontdemo.go

示例7: initGL

func initGL() {
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Viewport(0, 0, 800, 600)
	gl.Ortho(0, 800, 600, 0, -1.0, 1.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.ClearColor(0.1, 0.05, 0.0, 1.0)
}

开发者ID:sixthgear，项目名称:deformable，代码行数:9，代码来源:main.go

示例8: main

func main() {
	_ = fmt.Sprint()

	if !glfw.Init() {
		panic("Can't init glfw!")
	}
	defer glfw.Terminate()

	// antialiasing
	//glfw.WindowHint(glfw.Samples, 4)

	window, err = glfw.CreateWindow(WindowWidth, WindowHeight, "Mozaik", nil, nil)
	if err != nil {
		panic(err)
	}
	defer window.Destroy()

	// Ensure thread context
	window.MakeContextCurrent()
	//glfw.SwapInterval(1)

	window.SetKeyCallback(keyCb)
	window.SetMouseButtonCallback(mouseCb)

	gl.Init()
	gl.ClearColor(0.9, 0.85, 0.46, 0.0)
	// useless in 2D
	gl.Disable(gl.DEPTH_TEST)
	// antialiasing
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.Enable(gl.LINE_SMOOTH)

	for i := int32(32); i < 72; i++ {
		font := loadFonts(i)
		defer font.Release()
		fonts = append(fonts, font)
	}

	// Compute window radius
	windowRadius = math.Sqrt(math.Pow(WindowHeight, 2) + math.Pow(WindowWidth, 2))

	// Use window coordinates
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, WindowWidth, WindowHeight, 0, 0, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()

	g = NewGame()

	g.Start()
	go eventLoop(g)
	go renderLoop(g)
	Main()
	g.Stop()
}

开发者ID:remogatto，项目名称:mozaik，代码行数:57，代码来源:main_init.go

示例9: onResize

// TODO Dynamically fetch size and render accordingly.
func onResize(w, h int) {
	gl.Viewport(0, 0, w, h)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, float64(w), float64(h), 0, -1, 1)
	gl.ClearColor(0.255, 0.255, 0.255, 0)
	gl.Clear(gl.COLOR_BUFFER_BIT)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	// log.Printf("resized: %dx%d\n", w, h)
}

开发者ID:nightlifelover，项目名称:GoMandelbrot，代码行数:12，代码来源:inputoutput.go

示例10: onResize

// onResize sets up a simple 2d ortho context based on the window size
func onResize(window *glfw.Window, w, h int) {
	w, h = window.GetSize() // query window to get screen pixels
	width, height := window.GetFramebufferSize()
	gl.Viewport(0, 0, width, height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, float64(w), 0, float64(h), -1, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.ClearColor(1, 1, 1, 1)
}

开发者ID:niksaak，项目名称:chipmunk，代码行数:12，代码来源:bouncing_balls.go

示例11: reshape

func reshape(w, h int) {
	// Write to both buffers, prevent flickering
	gl.DrawBuffer(gl.FRONT_AND_BACK)

	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Viewport(0, 0, w, h)
	gl.Ortho(0, float64(w), float64(h), 0, -1.0, 1.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
}

开发者ID:Tohie，项目名称:GoFlappyBird，代码行数:11，代码来源:flappybird.go

示例12: setupGL

func setupGL(w, h int) {
	gl.Viewport(0, 0, w, h)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, float64(w), float64(h), 0, 0, 1)

	gl.ShadeModel(gl.SMOOTH)
	gl.ClearColor(1, 1, 1, 0)
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.Disable(gl.DEPTH_TEST)
	gl.Hint(gl.LINE_SMOOTH_HINT|gl.LINE_SMOOTH_HINT, gl.NICEST)
}

开发者ID:phaikawl，项目名称:gosui，代码行数:13，代码来源:window.go

示例13: onResize

func onResize(w, h int) {
	// Write to both buffers, prevent flickering
	gl.DrawBuffer(gl.FRONT_AND_BACK)

	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Viewport(0, 0, w, h)
	gl.Ortho(0, float64(w), float64(h), 0, -1.0, 1.0)
	gl.ClearColor(1, 1, 1, 0)
	gl.Clear(gl.COLOR_BUFFER_BIT)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
}

开发者ID:jayschwa，项目名称:examples，代码行数:13，代码来源:main.go

示例14: Reshape

func Reshape(width, height int) {
	gl.Viewport(0, 0, width, height)

	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(-1, 1, -1, 1, -1, 1)
	//gl.Ortho(-2.1, 6.1, -2.25*2, 2.1*2, -1, 1) // Y debug

	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()

	gl.ClearColor(0, 0, 0, 1)
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
}

开发者ID:pwaller，项目名称:go-gl-testutils，代码行数:14，代码来源:gltest.go

示例15: reshapeWindow

func reshapeWindow(window *glfw.Window, width, height int) {
	ratio := float64(width) / float64(height)
	gameWidth = ratio * fieldSize
	gameHeight = fieldSize
	gl.Viewport(0, 0, width, height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()

	gl.Ortho(0, gameWidth, 0, gameHeight, -1.0, 1.0)
	gl.MatrixMode(gl.MODELVIEW)
	if wireframe {
		gl.PolygonMode(gl.FRONT_AND_BACK, gl.LINE)
	}
}

开发者ID:JamesClonk，项目名称:asteroids，代码行数:14，代码来源:main.go

示例16: reshape

func reshape(w, h int) {
	/* Because Gil specified "screen coordinates" (presumably with an
	   upper-left origin), this short bit of code sets up the coordinate
	   system to correspond to actual window coodrinates.  This code
	   wouldn't be required if you chose a (more typical in 3D) abstract
	   coordinate system. */

	gl.Viewport(0, 0, w, h)                       /* Establish viewing area to cover entire window. */
	gl.MatrixMode(gl.PROJECTION)                  /* Start modifying the projection matrix. */
	gl.LoadIdentity()                             /* Reset project matrix. */
	gl.Ortho(0, float64(w), 0, float64(h), -1, 1) /* Map abstract coords directly to window coords. */
	gl.Scalef(1, -1, 1)                           /* Invert Y axis so increasing Y goes down. */
	gl.Translatef(0, float32(-h), 0)              /* Shift origin up to upper-left corner. */
}

开发者ID:himanshushekhar，项目名称:glut，代码行数:14，代码来源:simple.go

示例17: initGL

func initGL() {
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, 1024, 768, 0, -1, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Enable(gl.DEPTH_TEST)

	// hexTex = initTexture("hex5k", HEX_WIDTH, HEX_HEIGHT)
	hexTex = initTexture2("hex")
	wallpaper = initTexture("[email protected]", 1024, 768)
	// starTex = initTexture("hexstark", HEX_WIDTH, HEX_HEIGHT)
	starTex = initTexture2("star")
	borderTex = initTexture("hexborder", 76, 76)
}

开发者ID:TheOnly92，项目名称:gexic，代码行数:15，代码来源:main.go

示例18: onResize

// onResize handles window resize events.
func onResize(w, h int) {
	if w < 1 {
		w = 1
	}

	if h < 1 {
		h = 1
	}

	gl.Viewport(0, 0, w, h)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, float64(w), float64(h), 0, 0, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
}

开发者ID:jayschwa，项目名称:examples，代码行数:17，代码来源:main.go

示例19: fixProjection

// Called to adjust the projection matrix
func fixProjection(win *glfw.Window, w, h int) {
	if w < 1 {
		w = 1
	}

	if h < 1 {
		h = 1
	}

	gl.Viewport(0, 0, w, h)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	// it's a 2d game, so use orthographic projection
	gl.Ortho(0, float64(w), float64(h), 0, 0, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
}

开发者ID:andrebq，项目名称:exp，代码行数:18，代码来源:main.go

示例20: Draw

// Draws the contents of the framebuffer at the requested width and height.
func (fb *Framebuffer) Draw(w int, h int) {
	gl.Viewport(0, 0, w, h)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, 1, 0, 1, 1, -1)
	gl.Enable(gl.TEXTURE_2D)
	fb.Texture.Bind(gl.TEXTURE_2D)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Begin(gl.QUADS)
	gl.TexCoord2d(0, 0)
	gl.Vertex3f(0.0, 0.0, 0)
	gl.TexCoord2d(1, 0)
	gl.Vertex3f(1.0, 0.0, 0)
	gl.TexCoord2d(1, 1)
	gl.Vertex3f(1.0, 1.0, 0)
	gl.TexCoord2d(0, 1)
	gl.Vertex3f(0.0, 1.0, 0)
	gl.End()
	gl.Flush()
}

开发者ID:pikkpoiss，项目名称:ld27，代码行数:22，代码来源:framebuffer.go

注：本文中的github.com/go-gl/gl.Ortho函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。