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Golang sdl.GL_SwapBuffers函数代码示例

本文整理汇总了Golang中sdl.GL_SwapBuffers函数的典型用法代码示例。如果您正苦于以下问题：Golang GL_SwapBuffers函数的具体用法？Golang GL_SwapBuffers怎么用？Golang GL_SwapBuffers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GL_SwapBuffers函数的15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，您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: main

func main() {

	sdl.Init(sdl.INIT_VIDEO)

	var screen = sdl.SetVideoMode(640, 480, 32, sdl.OPENGL)

	if screen == nil {
		panic("sdl error")
	}

	if gl.Init() != 0 {
		panic("glew error")
	}

	pen := Pen{}

	gl.MatrixMode(gl.PROJECTION)

	gl.Viewport(0, 0, gl.GLsizei(screen.W), gl.GLsizei(screen.H))
	gl.LoadIdentity()
	gl.Ortho(0, gl.GLdouble(screen.W), gl.GLdouble(screen.H), 0, -1.0, 1.0)

	gl.ClearColor(1, 1, 1, 0)
	gl.Clear(gl.COLOR_BUFFER_BIT)

	var running = true

	for running {

		e := &sdl.Event{}

		for e.Poll() {
			switch e.Type {
			case sdl.QUIT:
				running = false
				break
			case sdl.KEYDOWN:
				running = false
				break
			case sdl.MOUSEMOTION:
				me := e.MouseMotion()
				if me.State != 0 {
					pen.lineTo(Point{int(me.X), int(me.Y)})
				} else {
					pen.moveTo(Point{int(me.X), int(me.Y)})
				}
				break
			}
		}

		sdl.GL_SwapBuffers()
		sdl.Delay(25)
	}

	sdl.Quit()

}
开发者ID:krakensden，项目名称:Go-OpenGL，代码行数:57，代码来源:draw.go

示例2: main

func main() {
	initialWidth, initialHeight := 1280, 720
	runtime.LockOSThread()
	if sdlInit := sdl.Init(sdl.INIT_VIDEO); sdlInit != 0 {
		panic("SDL init error")
	}
	reinitScreen(initialWidth, initialHeight)
	defer cleanExit(true, false)
	if err := gl.Init(); err != nil {
		panic(err)
	}
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.Enable(gl.DEPTH)
	defer cleanExit(false, true)
	glSetupShaderProg(&shaderTextureCreator, false)
	glSetupShaderProg(&shaderTextureDisplay, true)
	glFillBuffer(rttVerts, &rttVertBuf)
	glFillBuffer(dispVerts, &dispVertBuf)
	gl.GenTextures(1, &rttFrameTex)
	gl.BindTexture(gl.TEXTURE_2D, rttFrameTex)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
	if doRtt {
		gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, texSize, texSize, 0, gl.RGBA, gl.UNSIGNED_BYTE, nil)
		gl.GenFramebuffers(1, &rttFrameBuf)
		gl.BindFramebuffer(gl.FRAMEBUFFER, rttFrameBuf)
		gl.FramebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, rttFrameTex, 0)
		gl.BindFramebuffer(gl.FRAMEBUFFER, 0)
	} else {
		glFillTextureFromImageFile("texture.jpg")
	}
	gl.BindTexture(gl.TEXTURE_2D, 0)
	gl.ClearColor(0.3, 0.6, 0.9, 1)
	gl.Clear(gl.COLOR_BUFFER_BIT)
	gl.ActiveTexture(gl.TEXTURE0)
	for {
		if evt := sdl.PollEvent(); evt != nil {
			switch event := evt.(type) {
			case *sdl.ResizeEvent:
				reinitScreen(int(event.W), int(event.H))
			case *sdl.QuitEvent:
				return
			}
		} else {
			if doRtt {
				renderToTexture()
			}
			renderToScreen()
			sdl.GL_SwapBuffers()
		}
	}

	sdl.Quit()
}
开发者ID:hyl87，项目名称:2011_Go_Geo_Gfx，代码行数:57，代码来源:basicglfw.go

示例3: draw

func draw() {
	xtrans := -xpos
	ztrans := -zpos
	ytrans := -walkbias - 0.25
	scenroty := 360.0 - yrot

	// Clear the screen and depth buffer
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	// reset the view
	gl.LoadIdentity()

	// Rotate up and down to look up and down
	gl.Rotatef(lookupdown, 1.0, 0.0, 0.0)
	// Rotate depending on direction player is facing
	gl.Rotatef(scenroty, 0.0, 1.0, 0.0)
	// translate the scene based on player position
	gl.Translatef(xtrans, ytrans-1.75, ztrans)

	for _, chunk := range chunks {
		for y := 0; y < 16; y++ {
			for x := 0; x < 16; x++ {
				for z := 0; z <= 16; z++ {
					if len(chunk.Data[y][x]) > z && chunk.Data[y][x][z] != "" {
						gl.PushMatrix()
						gl.Translated(
							float64(16*chunk.X+x),
							float64(z),
							float64(16*chunk.Y+y))
						gl.CallList(cubes[chunk.Data[y][x][z]])
						gl.PopMatrix()
					}
				}
			}
		}
	}

	gl.PopMatrix()

	sdl.GL_SwapBuffers()

	Frames++
	{
		t := sdl.GetTicks()
		if t-T0 >= 5000 {
			seconds := (t - T0) / 1000.0
			fps := Frames / seconds
			print(Frames, " frames in ", seconds, " seconds = ", fps, " FPS\n")
			T0 = t
			Frames = 0
		}
	}
}
开发者ID:yohcop，项目名称:cubopolis.go，代码行数:53，代码来源:main.go

示例4: main

func main() {

	sdl.Init(sdl.INIT_VIDEO)

	var screen = sdl.SetVideoMode(640, 480, 32, sdl.OPENGL)

	if screen == nil {
		panic("sdl error")
	}

	if gl.Init() != 0 {
		panic("gl error")
	}

	pen := Pen{}

	gl.MatrixMode(gl.PROJECTION)

	gl.Viewport(0, 0, int(screen.W), int(screen.H))
	gl.LoadIdentity()
	gl.Ortho(0, float64(screen.W), float64(screen.H), 0, -1.0, 1.0)

	gl.ClearColor(1, 1, 1, 0)
	gl.Clear(gl.COLOR_BUFFER_BIT)

	var running = true

	for running {

		for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
			switch ev := e.(type) {
			case *sdl.QuitEvent:
				running = false
			case *sdl.KeyboardEvent:
				if ev.Keysym.Sym == sdl.K_ESCAPE {
					running = false
				}
			case *sdl.MouseMotionEvent:
				if ev.State != 0 {
					pen.lineTo(Point{int(ev.X), int(ev.Y)})
				} else {
					pen.moveTo(Point{int(ev.X), int(ev.Y)})
				}
			}
		}

		sdl.GL_SwapBuffers()
		sdl.Delay(25)
	}

	sdl.Quit()

}
开发者ID:losinggeneration，项目名称:opengl，代码行数:53，代码来源:draw.go

示例5: drawGLScene

// Here goes our drawing code
func drawGLScene() {
	// Clear the screen and depth buffer
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	// Move left 1.5 units and into the screen 6.0 units.
	gl.LoadIdentity()
	gl.Translatef(-1.5, 0.0, -6.0)
	gl.Rotatef(float32(rtri), 0.0, 1.0, 0.0) // Rotate the triangle on the Y axis

	gl.Begin(gl.TRIANGLES)       // Draw triangles
	gl.Color3f(1.0, 0.0, 0.0)    // Set The Color To Red
	gl.Vertex3f(0.0, 1.0, 0.0)   // top
	gl.Color3f(0.0, 1.0, 0.0)    // Set The Color To Red
	gl.Vertex3f(-1.0, -1.0, 0.0) // bottom left
	gl.Color3f(0.0, 0.0, 1.0)    // Set The Color To Red
	gl.Vertex3f(1.0, -1.0, 0.0)  // bottom right
	gl.End()                     // finish drawing the triangle

	// Move right 3 units
	gl.LoadIdentity()
	gl.Translatef(1.5, 0.0, -6.0)
	gl.Color3f(0.5, 0.5, 1.0)                 // Set The Color To Blue One Time Only
	gl.Rotatef(float32(rquad), 1.0, 0.0, 0.0) // rotate the quad on the X axis

	gl.Begin(gl.QUADS)           // draw quads
	gl.Vertex3f(-1.0, 1.0, 0.0)  // top left
	gl.Vertex3f(1.0, 1.0, 0.0)   // top right
	gl.Vertex3f(1.0, -1.0, 0.0)  // bottom right
	gl.Vertex3f(-1.0, -1.0, 0.0) // bottom left
	gl.End()                     // done drawing the quad

	// Draw to the screen
	sdl.GL_SwapBuffers()

	rtri += 0.2   // Increase The Rotation Variable For The Triangle
	rquad -= 0.15 // Decrease The Rotation Variable For The Quad

	// Gather our frames per second
	frames++
	t := sdl.GetTicks()
	if t-t0 >= 5000 {
		seconds := (t - t0) / 1000.0
		fps := frames / seconds
		fmt.Println(frames, "frames in", seconds, "seconds =", fps, "FPS")
		t0 = t
		frames = 0
	}
}
开发者ID:PragmaticCypher，项目名称:opengl-go-tutorials，代码行数:49，代码来源:lesson04.go

示例6: drawGLScene

// Here goes our drawing code
func drawGLScene(sector Sector) {
	xtrans := gl.GLfloat(-xpos)
	ztrans := gl.GLfloat(-zpos)
	ytrans := gl.GLfloat(-walkbias - 0.25)
	scenroty := gl.GLfloat(360.0 - yrot)

	// Clear the screen and depth buffer
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	// reset the view
	gl.LoadIdentity()

	// Rotate up and down to look up and down
	gl.Rotatef(float32(lookupdown), 1.0, 0.0, 0.0)
	// Rotate depending on direction player is facing
	gl.Rotatef(float32(scenroty), 0.0, 1.0, 0.0)
	// translate the scene based on player position
	gl.Translatef(float32(xtrans), float32(ytrans), float32(ztrans))

	gl.BindTexture(gl.TEXTURE_2D, uint(textures[filter]))

	for _, vertices := range sector {
		gl.Begin(gl.TRIANGLES)
		for _, triangle := range *vertices {
			gl.Normal3f(0.0, 0.0, 1.0)
			gl.TexCoord2f(float32(triangle.u), float32(triangle.v))
			gl.Vertex3f(float32(triangle.x), float32(triangle.y), float32(triangle.z))
		}
		gl.End()
	}

	// Draw to the screen
	sdl.GL_SwapBuffers()

	// Gather our frames per second
	frames++
	t := sdl.GetTicks()
	if t-t0 >= 5000 {
		seconds := (t - t0) / 1000.0
		fps := frames / seconds
		fmt.Println(frames, "frames in", seconds, "seconds =", fps, "FPS")
		t0 = t
		frames = 0
	}
}
开发者ID:PragmaticCypher，项目名称:opengl-go-tutorials，代码行数:46，代码来源:lesson10.go

示例7: draw

func draw() {

	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	gl.PushMatrix()
	gl.Rotated(view_rotx, 1.0, 0.0, 0.0)
	gl.Rotated(view_roty, 0.0, 1.0, 0.0)
	gl.Rotated(view_rotz, 0.0, 0.0, 1.0)

	gl.PushMatrix()
	gl.Translated(-3.0, -2.0, 0.0)
	gl.Rotated(angle, 0.0, 0.0, 1.0)
	gl.CallList(gear1)
	gl.PopMatrix()

	gl.PushMatrix()
	gl.Translated(3.1, -2.0, 0.0)
	gl.Rotated(-2.0*angle-9.0, 0.0, 0.0, 1.0)
	gl.CallList(gear2)
	gl.PopMatrix()

	gl.PushMatrix()
	gl.Translated(-3.1, 4.2, 0.0)
	gl.Rotated(-2.0*angle-25.0, 0.0, 0.0, 1.0)
	gl.CallList(gear3)
	gl.PopMatrix()

	gl.PopMatrix()

	sdl.GL_SwapBuffers()

	Frames++
	{
		t := sdl.GetTicks()
		if t-T0 >= 5000 {
			seconds := (t - T0) / 1000.0
			fps := Frames / seconds
			print(Frames, " frames in ", seconds, " seconds = ", fps, " FPS\n")
			T0 = t
			Frames = 0
		}
	}
}
开发者ID:DeedleFake，项目名称:Go-OpenGL，代码行数:43，代码来源:gogears.go

示例8: drawGLScene

// Here goes our drawing code
func drawGLScene() {
	// Clear the screen and depth buffer
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	// reset the view
	gl.LoadIdentity()

	// Draw to the screen
	sdl.GL_SwapBuffers()

	// Gather our frames per second
	frames++
	t := sdl.GetTicks()
	if t-t0 >= 5000 {
		seconds := (t - t0) / 1000.0
		fps := frames / seconds
		fmt.Println(frames, "frames in", seconds, "seconds =", fps, "FPS")
		t0 = t
		frames = 0
	}
}
开发者ID:PragmaticCypher，项目名称:opengl-go-tutorials，代码行数:22，代码来源:lesson01.go

示例9: draw

func draw(triangles p2t.TriArray) {

	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	for i := 0; i < len(triangles); i++ {
		var t = triangles[i]
		var a = t.Point[0]
		var b = t.Point[1]
		var c = t.Point[2]

		// Red
		gl.Color3f(1, 0, 0)

		gl.Begin(gl.LINE_LOOP)
		gl.Vertex2f(float32(a.X), float32(a.Y))
		gl.Vertex2f(float32(b.X), float32(b.Y))
		gl.Vertex2f(float32(c.X), float32(c.Y))
		gl.End()
	}

	sdl.GL_SwapBuffers()
}
开发者ID:nightkidfifa，项目名称:poly2tri.golang，代码行数:22，代码来源:main.go

示例10: drawGLScene

// Here goes our drawing code
func drawGLScene() {
	// Clear the screen and depth buffer
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	// Move left 1.5 units and into the screen 6.0 units.
	gl.LoadIdentity()
	gl.Translatef(-1.5, 0.0, -6.0)

	gl.Begin(gl.TRIANGLES)       // Draw triangles
	gl.Vertex3f(0.0, 1.0, 0.0)   // top
	gl.Vertex3f(-1.0, -1.0, 0.0) // bottom left
	gl.Vertex3f(1.0, -1.0, 0.0)  // bottom right
	gl.End()                     // finish drawing the triangle

	// Move right 3 units
	gl.Translatef(3.0, 0.0, 0.0)

	gl.Begin(gl.QUADS)           // draw quads
	gl.Vertex3f(-1.0, 1.0, 0.0)  // top left
	gl.Vertex3f(1.0, 1.0, 0.0)   // top right
	gl.Vertex3f(1.0, -1.0, 0.0)  // bottom right
	gl.Vertex3f(-1.0, -1.0, 0.0) // bottom left
	gl.End()                     // done drawing the quad

	// Draw to the screen
	sdl.GL_SwapBuffers()

	// Gather our frames per second
	frames++
	t := sdl.GetTicks()
	if t-t0 >= 5000 {
		seconds := (t - t0) / 1000.0
		fps := frames / seconds
		fmt.Println(frames, "frames in", seconds, "seconds =", fps, "FPS")
		t0 = t
		frames = 0
	}
}
开发者ID:PragmaticCypher，项目名称:opengl-go-tutorials，代码行数:39，代码来源:lesson02.go

示例11: main

func main() {
	runtime.LockOSThread()
	flag.Parse()
	buildPalette()
	sdl.Init(sdl.INIT_VIDEO)
	defer sdl.Quit()

	sdl.GL_SetAttribute(sdl.GL_SWAP_CONTROL, 1)

	if sdl.SetVideoMode(512, 512, 32, sdl.OPENGL) == nil {
		panic("sdl error")
	}

	if gl.Init() != 0 {
		panic("gl error")
	}

	sdl.WM_SetCaption("Gomandel", "Gomandel")

	gl.Enable(gl.TEXTURE_2D)
	gl.Viewport(0, 0, 512, 512)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, 512, 512, 0, -1, 1)

	gl.ClearColor(0, 0, 0, 0)

	//-----------------------------------------------------------------------------
	var dndDragging bool = false
	var dndStart Point
	var dndEnd Point
	var tex gl.Texture
	var tc TexCoords
	var lastProgress int
	initialRect := Rect{-1.5, -1.5, 3, 3}
	rect := initialRect

	rc := new(MandelbrotRequest)
	rc.MakeRequest(512, 512, rect)
	rc.WaitFor(Small, &tex, &tc)

	running := true
	e := new(sdl.Event)
	for running {
		for e.Poll() {
			switch e.Type {
			case sdl.QUIT:
				running = false
			case sdl.MOUSEBUTTONDOWN:
				dndDragging = true
				sdl.GetMouseState(&dndStart.X, &dndStart.Y)
				dndEnd = dndStart
			case sdl.MOUSEBUTTONUP:
				dndDragging = false
				sdl.GetMouseState(&dndEnd.X, &dndEnd.Y)
				if e.MouseButton().Button == 3 {
					rect = initialRect
				} else {
					rect = rectFromSelection(dndStart, dndEnd, 512, 512, rect)
					tc = texCoordsFromSelection(dndStart, dndEnd, 512, 512, tc)
				}

				// make request
				rc.MakeRequest(512, 512, rect)
			case sdl.MOUSEMOTION:
				if dndDragging {
					sdl.GetMouseState(&dndEnd.X, &dndEnd.Y)
				}
			}
		}

		// if we're waiting for a result, check if it's ready
		p := rc.Update(&tex, &tc)
		if p != -1 {
			lastProgress = p
		}

		gl.Clear(gl.COLOR_BUFFER_BIT)
		tex.Bind(gl.TEXTURE_2D)
		drawQuad(0, 0, 512, 512, tc.TX, tc.TY, tc.TX2, tc.TY2)
		gl.BindTexture(gl.TEXTURE_2D, 0)
		if dndDragging {
			drawSelection(dndStart, dndEnd)
		}
		drawProgress(512, 512, lastProgress, rc.Pending)
		sdl.GL_SwapBuffers()
	}
}
开发者ID:saschpe，项目名称:Go-OpenGL，代码行数:88，代码来源:gomandel.go

示例12: main

func main() {
	sch = sched.NewScheduler(0)

	flag.Parse()

	cmd := selectCommand(CmdNum)

	SetupVideo()

	// Let the selected command initialize
	cmd.OnSetup()

	// Extract sleep time between frames for this command
	sleeptime := cmd.SleepTime()

	var frames uint32 = 0
	// var t0 uint32 = sdl.GetTicks()
	// 	gt := sdl.GetTicks

	if ShowFPS {
		sch.AddInterval(1.0, 2, func(tc sched.TaskChan, sc *sched.Scheduler) {

			val := <-tc
			if val != sched.RUNNING {
				sc.C <- sched.TaskResult{val, tc}
				return
			}
			sc.C <- sched.TaskResult{sched.COMPLETED, tc}

			// seconds := (t - t0) / 1000.0
			// fps := float(frames) / float(1.0)
			// os.Stdout.WriteString("Fdafsda")
			//sch.LOG <- "FPS"
			// fmt.Println("FPS")
			return
			// t0 = t
			frames = 0

		})
	}

	var running = true

	for running {

		e := &sdl.Event{}

		for e.Poll() {
			switch e.Type {
			case sdl.QUIT:
				running = false
				break
			case sdl.KEYDOWN:
				kb := e.Keyboard()
				KeySym = kb.Keysym.Sym
				if KeySym == sdl.K_ESCAPE {
					running = false
				}
				break
			case sdl.MOUSEBUTTONUP, sdl.MOUSEBUTTONDOWN:
				me := e.MouseButton()
				MouseState = me.State
				break
			case sdl.MOUSEMOTION:
				me := e.MouseMotion()
				MouseX = int(me.X)
				MouseY = int(me.Y)
				MouseState = me.State
				break
			case sdl.VIDEORESIZE:
				me := (*sdl.ResizeEvent)(cast(e))
				sdl.SetVideoMode(int(me.W), int(me.H), 32, SDL_FLAGS)
				ResizeWindow(me.W, me.H)
			}
		}

		// sch.Update()
		cmd.OnUpdate()
		gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
		cmd.OnDraw()
		sdl.GL_SwapBuffers()

		if sleeptime != 0 {
			sdl.Delay(uint32(sleeptime))
		}
		frames++
	}

	sdl.Quit()

}
开发者ID:jcd，项目名称:go-gamelib，代码行数:91，代码来源:main.go

示例13: drawGLScene

// Here goes our drawing code
func drawGLScene() {
  // Clear the screen and depth buffer
  gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

  // Move left 1.5 units and into the screen 6.0 units.
  gl.LoadIdentity()
  gl.Translatef(0.0, 0.0, -7.0)

  gl.Rotatef(float32(xrot), 1.0, 0.0, 0.0) /* Rotate On The X Axis */
  gl.Rotatef(float32(yrot), 0.0, 1.0, 0.0) /* Rotate On The Y Axis */
  gl.Rotatef(float32(zrot), 0.0, 0.0, 1.0) /* Rotate On The Z Axis */

  /* Select Our Texture */
  gl.BindTexture(gl.TEXTURE_2D, uint(texture))

  gl.Begin(gl.QUADS) // Draw a quad
  /* Front Face */
  gl.TexCoord2f(0.0, 1.0); gl.Vertex3f(-1.0, -1.0, 1.0) // Bottom left
  gl.TexCoord2f(1.0, 1.0); gl.Vertex3f( 1.0, -1.0, 1.0) // Bottom right
  gl.TexCoord2f(1.0, 0.0); gl.Vertex3f( 1.0,  1.0, 1.0) // Top right
  gl.TexCoord2f(0.0, 0.0); gl.Vertex3f(-1.0,  1.0, 1.0) // Top left

  /* Back Face */
  gl.TexCoord2f(0.0, 0.0); gl.Vertex3f(-1.0, -1.0, -1.0) // Bottom right
  gl.TexCoord2f(0.0, 1.0); gl.Vertex3f(-1.0,  1.0, -1.0) // Top right
  gl.TexCoord2f(1.0, 1.0); gl.Vertex3f( 1.0,  1.0, -1.0) // Top left
  gl.TexCoord2f(1.0, 0.0); gl.Vertex3f( 1.0, -1.0, -1.0) // Bottom left

  /* Top Face */
  gl.TexCoord2f(1.0, 1.0); gl.Vertex3f(-1.0,  1.0, -1.0) // Top left
  gl.TexCoord2f(1.0, 0.0); gl.Vertex3f(-1.0,  1.0,  1.0) // Bottom left
  gl.TexCoord2f(0.0, 0.0); gl.Vertex3f( 1.0,  1.0,  1.0) // Bottom right
  gl.TexCoord2f(0.0, 1.0); gl.Vertex3f( 1.0,  1.0, -1.0) // Top right

  /* Bottom Face */
  gl.TexCoord2f(0.0, 1.0); gl.Vertex3f(-1.0, -1.0, -1.0) // Top right
  gl.TexCoord2f(1.0, 1.0); gl.Vertex3f( 1.0, -1.0, -1.0) // Top left
  gl.TexCoord2f(1.0, 0.0); gl.Vertex3f( 1.0, -1.0,  1.0) // Bottom left
  gl.TexCoord2f(0.0, 0.0); gl.Vertex3f(-1.0, -1.0,  1.0) // Bottom right

  /* Right face */
  gl.TexCoord2f(0.0, 0.0); gl.Vertex3f(1.0, -1.0, -1.0) // Bottom right
  gl.TexCoord2f(0.0, 1.0); gl.Vertex3f(1.0,  1.0, -1.0) // Top right
  gl.TexCoord2f(1.0, 1.0); gl.Vertex3f(1.0,  1.0,  1.0) // Top left
  gl.TexCoord2f(1.0, 0.0); gl.Vertex3f(1.0, -1.0,  1.0) // Bottom left

  /* Left Face */
  gl.TexCoord2f(1.0, 0.0); gl.Vertex3f(-1.0, -1.0, -1.0) // Bottom left
  gl.TexCoord2f(0.0, 0.0); gl.Vertex3f(-1.0, -1.0,  1.0) // Bottom right
  gl.TexCoord2f(0.0, 1.0); gl.Vertex3f(-1.0,  1.0,  1.0) // Top right
  gl.TexCoord2f(1.0, 1.0); gl.Vertex3f(-1.0,  1.0, -1.0) // Top left
  gl.End() // done drawing the quad

  // Draw to the screen
  sdl.GL_SwapBuffers()

  xrot += 0.3 /* X Axis Rotation */
  yrot += 0.2 /* Y Axis Rotation */
  zrot += 0.4 /* Z Axis Rotation */

  // Gather our frames per second
  frames++
  t := sdl.GetTicks()
  if t-t0 >= 5000 {
    seconds := (t - t0) / 1000.0
    fps := frames / seconds
    fmt.Println(frames, "frames in", seconds, "seconds =", fps, "FPS")
    t0 = t
    frames = 0
  }
}
开发者ID:PragmaticCypher，项目名称:opengl-go-tutorials，代码行数:72，代码来源:lesson06.go

示例14: drawGLScene

// Here goes our drawing code
func drawGLScene() {
	// Clear the screen and depth buffer
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	// Move left 1.5 units and into the screen 6.0 units.
	gl.LoadIdentity()
	gl.Translatef(0.0, 0.0, float32(z)) // translate by z

	gl.Rotatef(float32(xrot), 1.0, 0.0, 0.0) /* Rotate On The X Axis */
	gl.Rotatef(float32(yrot), 0.0, 1.0, 0.0) /* Rotate On The Y Axis */

	/* Select Our Texture */
	gl.BindTexture(gl.TEXTURE_2D, uint(textures[filter])) // based on filter

	gl.Begin(gl.QUADS)

	// Front face
	gl.Normal3f(0.0, 0.0, 1.0) // Normal Pointing Towards Viewer
	gl.TexCoord2f(0.0, 1.0)
	gl.Vertex3f(-1.0, -1.0, 1.0) // Bottom left
	gl.TexCoord2f(1.0, 1.0)
	gl.Vertex3f(1.0, -1.0, 1.0) // Bottom right
	gl.TexCoord2f(1.0, 0.0)
	gl.Vertex3f(1.0, 1.0, 1.0) // Top right
	gl.TexCoord2f(0.0, 0.0)
	gl.Vertex3f(-1.0, 1.0, 1.0) // Top left

	// Back Face
	gl.Normal3f(0.0, 0.0, -1.0) // Normal Pointing Away From Viewer
	gl.TexCoord2f(0.0, 0.0)
	gl.Vertex3f(-1.0, -1.0, -1.0) // Bottom right
	gl.TexCoord2f(0.0, 1.0)
	gl.Vertex3f(-1.0, 1.0, -1.0) // Top right
	gl.TexCoord2f(1.0, 1.0)
	gl.Vertex3f(1.0, 1.0, -1.0) // Top left
	gl.TexCoord2f(1.0, 0.0)
	gl.Vertex3f(1.0, -1.0, -1.0) // Bottom left

	// Top Face
	gl.Normal3f(0.0, 1.0, 0.0) // Normal Pointing Up
	gl.TexCoord2f(1.0, 1.0)
	gl.Vertex3f(-1.0, 1.0, -1.0) // Top left
	gl.TexCoord2f(1.0, 0.0)
	gl.Vertex3f(-1.0, 1.0, 1.0) // Bottom left
	gl.TexCoord2f(0.0, 0.0)
	gl.Vertex3f(1.0, 1.0, 1.0) // Bottom right
	gl.TexCoord2f(0.0, 1.0)
	gl.Vertex3f(1.0, 1.0, -1.0) // Top right

	// Bottom Face
	gl.Normal3f(0.0, -1.0, 0.0) // Normal Pointing Down
	gl.TexCoord2f(0.0, 1.0)
	gl.Vertex3f(-1.0, -1.0, -1.0) // Top right
	gl.TexCoord2f(1.0, 1.0)
	gl.Vertex3f(1.0, -1.0, -1.0) // Top left
	gl.TexCoord2f(1.0, 0.0)
	gl.Vertex3f(1.0, -1.0, 1.0) // Bottom left
	gl.TexCoord2f(0.0, 0.0)
	gl.Vertex3f(-1.0, -1.0, 1.0) // Bottom right

	// Right face
	gl.Normal3f(1.0, 0.0, 0.0) // Normal Pointing Right
	gl.TexCoord2f(0.0, 0.0)
	gl.Vertex3f(1.0, -1.0, -1.0) // Bottom right
	gl.TexCoord2f(0.0, 1.0)
	gl.Vertex3f(1.0, 1.0, -1.0) // Top right
	gl.TexCoord2f(1.0, 1.0)
	gl.Vertex3f(1.0, 1.0, 1.0) // Top left
	gl.TexCoord2f(1.0, 0.0)
	gl.Vertex3f(1.0, -1.0, 1.0) // Bottom left

	// Left Face
	gl.Normal3f(-1.0, 0.0, 0.0) // Normal Pointing Left
	gl.TexCoord2f(1.0, 0.0)
	gl.Vertex3f(-1.0, -1.0, -1.0) // Bottom left
	gl.TexCoord2f(0.0, 0.0)
	gl.Vertex3f(-1.0, -1.0, 1.0) // Bottom right
	gl.TexCoord2f(0.0, 1.0)
	gl.Vertex3f(-1.0, 1.0, 1.0) // Top right
	gl.TexCoord2f(1.0, 1.0)
	gl.Vertex3f(-1.0, 1.0, -1.0) // Top left

	gl.End()

	sdl.GL_SwapBuffers()

	xrot += xspeed
	yrot += yspeed

	// Gather our frames per second
	frames++
	t := sdl.GetTicks()
	if t-t0 >= 5000 {
		seconds := (t - t0) / 1000.0
		fps := frames / seconds
		fmt.Println(frames, "frames in", seconds, "seconds =", fps, "FPS")
		t0 = t
		frames = 0
	}
//.........这里部分代码省略.........
开发者ID:PragmaticCypher，项目名称:opengl-go-tutorials，代码行数:101，代码来源:lesson08.go

示例15: main

func main() {
	runtime.LockOSThread()
	flag.Parse()
	sdl.Init(sdl.INIT_VIDEO)
	defer sdl.Quit()

	sdl.GL_SetAttribute(sdl.GL_SWAP_CONTROL, 1)

	if sdl.SetVideoMode(640, 480, 32, sdl.OPENGL) == nil {
		panic("sdl error")
	}

	sdl.WM_SetCaption("Gotris", "Gotris")
	sdl.EnableKeyRepeat(250, 45)

	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.Viewport(0, 0, 640, 480)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, 640, 480, 0, -1, 1)

	gl.ClearColor(0, 0, 0, 0)

	//-----------------------------------------------------------------------------

	font, err := LoadFontFromFile("dejavu.font")
	if err != nil {
		panic(err)
	}

	rand.Seed(int64(sdl.GetTicks()))

	gs := NewGameSession(*initLevel, font)
	lastTime := sdl.GetTicks()

	running := true
	for running {
		for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
			switch e := ev.(type) {
			case *sdl.QuitEvent:
				running = false
			case *sdl.KeyboardEvent:
				if e.Type == sdl.KEYDOWN {
					running = gs.HandleKey(e.Keysym.Sym)
				}
			}
		}

		now := sdl.GetTicks()
		delta := now - lastTime
		lastTime = now

		gs.Update(delta)

		gl.Clear(gl.COLOR_BUFFER_BIT)
		font.Draw(5, 5, fmt.Sprintf("Level: %d | Score: %d", gs.Level, gs.Score))
		gs.Draw()
		gl.Color3ub(255, 255, 255)
		sdl.GL_SwapBuffers()
	}
}
开发者ID:sonald，项目名称:gotris，代码行数:63，代码来源:gotris.go


注：本文中的sdl.GL_SwapBuffers函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。