Golang gl.Viewport函数代码示例

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本文整理汇总了Golang中github.com/go-gl/gl.Viewport函数的典型用法代码示例。如果您正苦于以下问题：Golang Viewport函数的具体用法？Golang Viewport怎么用？Golang Viewport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Viewport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: 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2: render

func render() {
	modelMatrix = trig.MatrixMult(trig.RotateY(math.Pi/360), modelMatrix)

	gl.Viewport(0, 0, 768, 768)
	gl.ClearColor(0.0, 0.0, 0, 0)
	gl.Enable(gl.DEPTH_TEST)

	raytraceProgram.Use()
	mInput.UniformMatrix4f(false, (*[16]float32)(modelMatrix))
	vInput.UniformMatrix4f(false, (*[16]float32)(viewMatrix))
	pInput.UniformMatrix4f(false, (*[16]float32)(projMatrix))
	glh.With(framebuffer, func() {
		framebuffer.UpdateTextures()

		gl.DrawBuffer(gl.COLOR_ATTACHMENT0)

		gl.Clear(gl.COLOR_BUFFER_BIT)
		gl.DepthFunc(gl.GREATER)
		gl.CullFace(gl.BACK)
		cube.Render(gl.TRIANGLES, raytraceProgram)

		gl.DrawBuffer(gl.COLOR_ATTACHMENT1)
		gl.Clear(gl.COLOR_BUFFER_BIT)
		gl.DepthFunc(gl.LESS)
		gl.CullFace(gl.FRONT)
		cube.Render(gl.TRIANGLES, raytraceProgram)
	})
}

开发者ID:spacetug，项目名称:raytracer，代码行数:28，代码来源:main.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: 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5: ResizeViewport

func (v *Viewport) ResizeViewport(w, h int) {
	v.w = w
	v.h = h
	v.buildTrans()
	allegro.RunInThread(func() {
		gl.Viewport(0, 0, w, h)
	})
}

开发者ID:bluepeppers，项目名称:danckelmann，代码行数:8，代码来源:viewport.go

示例6: Bind

// Binds the framebuffer for drawing.
func (fb *Framebuffer) Bind() {
	fb.Buffer.Bind()
	gl.Viewport(0, 0, fb.Width, fb.Height)
	gl.Enable(gl.TEXTURE_2D)
	gl.Disable(gl.DEPTH_TEST)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.Enable(gl.BLEND)
}

开发者ID:pikkpoiss，项目名称:ld27，代码行数:9，代码来源:framebuffer.go

示例7: Run

func (s *System) Run(ctx *scene.Context) {
	s.init(ctx)
	defer s.finish()
	// TODO: take active camera node
	w := float32(s.Width)
	h := float32(s.Height)
	projM := mathgl.Ortho(0, w, h, 0, -30, 30)
	viewM := mathgl.Translate3D(0, 0, 0)
	worldM := mathgl.Translate3D(0, 0, 0)
	var rect struct {
		WVP     mathgl.Mat4f   `uniform:"WorldViewProjectionM"`
		Diffuse *gfx.Sampler2D `uniform:"Diffuse"`
		geomobj gfx.Geometry
		geom    gfx.GeometryLayout
	}
	rect.WVP = projM.Mul4(viewM).Mul4(worldM)
	s.cmds <- func() {
		quadbuffer := geometry.NewBuilder(s.shader.VertexFormat())
		quadbuffer.Clear()
		quadbuffer.P(0, 0, 0).UV(-1, -1).Cf(1, 1, 1, 1)
		quadbuffer.P(w/3, 0, 0).UV(-1, -1)
		quadbuffer.P(w/3, h/3, 0).UV(-1, -1)
		quadbuffer.P(0, h/3, 0).UV(-1, -1)
		quadbuffer.Indices(0, 1, 2, 2, 0, 3)
		rect.geomobj.Alloc(gfx.StaticDraw)
		err := rect.geomobj.CopyFrom(quadbuffer)
		if err != nil {
			panic(err)
		}
		s.shader.Use()
		rect.geom.Layout(&s.shader, &rect.geomobj)
		/*
			err = rect.geomobj.CopyFrom(quadbuffer)
			if err != nil {
				panic(err)
			}
		*/
		whiteImg := image.NewNRGBA(image.Rect(0, 0, 1, 1))
		whiteImg.Set(0, 0, color.White)
		white, err := gfx.Image(whiteImg)
		if err != nil {
			panic(err)
		}
		rect.Diffuse = white
	}

	for ctx.Step() {
		s.cmds <- func() {
			gl.Viewport(0, 0, s.Width, s.Height)
			gl.ClearColor(0, 0, 0, 1.0)
			gl.ClearDepth(1)
			gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
		}
		s.meshes.update(s.cmds, &s.shader)
		s.draw()
		s.sync()
	}
}

开发者ID:james4k，项目名称:exp，代码行数:58，代码来源:system.go

示例8: 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()
	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10: 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11: 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12: 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13: onResize

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

	if h < 1 {
		h = 1
	}

	gl.Viewport(0, 0, w, h)
}

开发者ID:spacetug，项目名称:raytracer，代码行数:12，代码来源:main.go

示例14: 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: 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17: 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18: onResize

func onResize(w, h int) {
	if h == 0 {
		h = 1
	}

	gl.Viewport(0, 0, w, h)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	glu.Perspective(45.0, float64(w)/float64(h), 0.1, 100.0) //设置视窗的大小
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
}

开发者ID:bonly，项目名称:exercise，代码行数:12，代码来源:20110518_nehe07.go

示例19: onResize

func onResize(w, h int) {
	if h == 0 {
		h = 1
	}

	gl.Viewport(0, 0, w, h)
	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:12，代码来源:08.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.Viewport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。