Golang gl.MatrixMode函数代码示例

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本文整理汇总了Golang中github.com/go-gl/gl.MatrixMode函数的典型用法代码示例。如果您正苦于以下问题：Golang MatrixMode函数的具体用法？Golang MatrixMode怎么用？Golang MatrixMode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MatrixMode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: display

func display() {
	gl.Clear(gl.COLOR_BUFFER_BIT)
	bitmap_output(40, 35, "This is written in a GLUT bitmap font.", glut.BITMAP_TIMES_ROMAN_24)
	bitmap_output(30, 210, "More bitmap text is a fixed 9 by 15 font.", glut.BITMAP_9_BY_15)
	bitmap_output(70, 240, "                Helvetica is yet another bitmap font.", glut.BITMAP_HELVETICA_18)

	gl.MatrixMode(gl.PROJECTION)
	gl.PushMatrix()
	gl.LoadIdentity()
	glu.Perspective(40.0, 1.0, 0.1, 20.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.PushMatrix()
	glu.LookAt(0.0, 0.0, 4.0, /* eye is at (0,0,30) */
		0.0, 0.0, 0.0, /* center is at (0,0,0) */
		0.0, 1.0, 0.0) /* up is in postivie Y direction */
	gl.PushMatrix()
	gl.Translatef(0, 0, -4)
	gl.Rotatef(50, 0, 1, 0)
	stroke_output(-2.5, 1.1, "  This is written in a", glut.STROKE_ROMAN)
	stroke_output(-2.5, 0, " GLUT stroke font.", glut.STROKE_ROMAN)
	stroke_output(-2.5, -1.1, "using 3D perspective.", glut.STROKE_ROMAN)
	gl.PopMatrix()
	gl.MatrixMode(gl.MODELVIEW)
	gl.PopMatrix()
	gl.MatrixMode(gl.PROJECTION)
	gl.PopMatrix()
	gl.MatrixMode(gl.MODELVIEW)
	gl.Flush()
}

开发者ID:himanshushekhar，项目名称:glut，代码行数:29，代码来源:fontdemo.go

示例2: 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: 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6: initScene

func initScene() (err error) {
	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.DEPTH_TEST)
	gl.Enable(gl.LIGHTING)

	gl.ClearColor(0.5, 0.5, 0.5, 0.0)
	gl.ClearDepth(1)
	gl.DepthFunc(gl.LEQUAL)

	gl.Lightfv(gl.LIGHT0, gl.AMBIENT, ambient)
	gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, diffuse)
	gl.Lightfv(gl.LIGHT0, gl.POSITION, lightpos)
	gl.Enable(gl.LIGHT0)

	gl.Viewport(0, 0, Width, Height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Frustum(-1, 1, -1, 1, 1.0, 10.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()

	goph, err := os.Open("../../data/gopher.png")
	if err != nil {
		panic(err)
	}
	defer goph.Close()

	texture, err = createTexture(goph)
	return
}

开发者ID:nzlov，项目名称:examples，代码行数:30，代码来源:gopher.go

示例7: copiedReshape

func copiedReshape(window *glfw.Window, w int, h int) {
	gl.DrawBuffer(gl.FRONT_AND_BACK)
	//gl.Viewport(int(w/2), int(h/2), w, h)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Frustum(-1, 1, -1, 1, 1.5, 20)
	gl.MatrixMode(gl.MODELVIEW)
}

开发者ID:srm88，项目名称:blocks，代码行数:8，代码来源:main.go

示例8: reshape

// new window size
func reshape(window *glfw.Window, width, height int) {

	gl.Viewport(0, 0, width, height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Frustum(-1.0, 1.0, -1.0, 1.0, 1, 20)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
}

开发者ID:nzlov，项目名称:gogl，代码行数:10，代码来源:09.go

示例9: reshape

// new window size
func reshape(window *glfw.Window, width, height int) {

	gl.Viewport(0, 0, width, height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	glu.Perspective(45.0, float32(width)/float32(height), 0.1, 100.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
}

开发者ID:nzlov，项目名称:gogl，代码行数:10，代码来源:10.go

示例10: 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11: 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12: 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13: popGlStates

func (r *RenderTarget) popGlStates() {
	gl.MatrixMode(gl.PROJECTION)
	gl.PopMatrix()
	gl.MatrixMode(gl.MODELVIEW)
	gl.PopMatrix()
	gl.MatrixMode(gl.TEXTURE)
	gl.PopMatrix()
	gl.PopClientAttrib()
	gl.PopAttrib()
}

开发者ID:netpoetica，项目名称:gosfml，代码行数:10，代码来源:rendertarget.go

示例14: copiedInit

func copiedInit() {
	gl.ClearColor(0, 0, 0, 0)
	gl.ShadeModel(gl.FLAT)
	gl.Enable(gl.CULL_FACE)
	gl.Viewport(320, 240, 640, 480)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Frustum(-1, 1, -1, 1, 1.5, 20)
	gl.MatrixMode(gl.MODELVIEW)
}

开发者ID:srm88，项目名称:blocks，代码行数:10，代码来源:main.go

示例15: 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16: 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17: 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18: onResize

/*
下面的代码的作用是重新设置OpenGL场景的大小，而不管窗口的大小是否已经改变(假定您没有使用全屏模式)。
甚至您无法改变窗口的大小时(例如您在全屏模式下)，它至少仍将运行一次--在程序开始时设置我们的透视图。
OpenGL场景的尺寸将被设置成它显示时所在窗口的大小。
*/
func onResize(w, h int) {
	if h == 0 {
		h = 1
	}

	gl.Viewport(0, 0, w, h)                                  ///重置当前的视口
	gl.MatrixMode(gl.PROJECTION)                             ///选择投影矩阵
	gl.LoadIdentity()                                        ///重置投影矩阵
	glu.Perspective(45.0, float64(w)/float64(h), 0.1, 100.0) ///设置视口的大小
	gl.MatrixMode(gl.MODELVIEW)                              ///选择模型观察矩阵
	gl.LoadIdentity()                                        ///重置模型观察矩阵
}

开发者ID:bonly，项目名称:exercise，代码行数:17，代码来源:20110517_nehe06.go

示例19: pushGlStates

func (r *RenderTarget) pushGlStates() {
	gl.PushClientAttrib(gl.CLIENT_ALL_ATTRIB_BITS)
	gl.PushAttrib(gl.ALL_ATTRIB_BITS)
	gl.MatrixMode(gl.MODELVIEW)
	gl.PushMatrix()
	gl.MatrixMode(gl.PROJECTION)
	gl.PushMatrix()
	gl.MatrixMode(gl.TEXTURE)
	gl.PushMatrix()

	r.resetGlStates()
}

开发者ID:netpoetica，项目名称:gosfml，代码行数:12，代码来源:rendertarget.go

示例20: reshape

/* new window size or exposure */
func reshape(width int, height int) {

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

	gl.Viewport(0, 0, width, height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Frustum(-1.0, 1.0, -h, h, 5.0, 60.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Translatef(0.0, 0.0, -40.0)
}

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

注：本文中的github.com/go-gl/gl.MatrixMode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。