Golang ClearDepth Examples

Example #1

File: main.go Project: nightkidfifa/poly2tri.golang

func initGL() {
	gl.ShadeModel(gl.SMOOTH)
	gl.ClearColor(0, 0, 0, 0)
	gl.ClearDepth(1)
	gl.Enable(gl.DEPTH_TEST)
	gl.DepthFunc(gl.LEQUAL)
	gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)
}

Example #2

File: lesson09.go Project: PragmaticCypher/opengl-go-tutorials

// general OpenGL initialization
func initGL() {
	LoadGLTexture("data/star.bmp")

	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE)
	gl.ShadeModel(gl.SMOOTH)
	gl.ClearColor(0.0, 0.0, 0.0, 0.5)
	gl.ClearDepth(1.0)
	gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)
}

Example #3

File: main.go Project: yohcop/cubopolis.go

func init_() {
	//pos := []float64{5.0, 5.0, 10.0, 0.0}

	colors := map[string][]float32{
		"0": {0.7, 0.7, 0.7, 1.0},
		"1": {1.0, 0.0, 0.0, 1.0},
		"2": {1.0, 0.6, 0.0, 1.0},
		"3": {1.0, 1.0, 0.0, 1.0},
		"4": {0.0, 1.0, 0.0, 1.0},
		"5": {0.0, 0.0, 1.0, 1.0},
		"6": {0.0, 0.6, 1.0, 1.0},
		"7": {1.0, 0.0, 1.0, 1.0},
		"8": {1.0, 1.0, 1.0, 1.0},
		"9": {0.3, 0.3, 0.3, 1.0},
	}

	fetchChunks(2, 2)

	gl.ShadeModel(gl.SMOOTH)
	gl.ClearColor(0.2, 0.2, 0.6, 0.0)
	gl.ClearDepth(1.0)

	gl.Enable(gl.DEPTH_TEST)
	gl.DepthFunc(gl.LEQUAL)
	gl.Enable(gl.COLOR_MATERIAL)
	gl.Enable(gl.CULL_FACE)
	gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)
	gl.Hint(gl.LINE_SMOOTH_HINT, gl.NICEST)

	gl.Lightfv(gl.LIGHT0, gl.AMBIENT, lightAmbient)
	gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, lightDiffuse)
	gl.Lightfv(gl.LIGHT0, gl.POSITION, lightPosition)
	gl.Enable(gl.LIGHT0)
	gl.Enable(gl.LIGHTING)

	for name, color := range colors {
		/* make a cube */
		cubes[name] = gl.GenLists(1)
		gl.NewList(cubes[name], gl.COMPILE)
		cube(color)
		gl.EndList()
	}

	if *printInfo {
		print("GL_RENDERER   = ", gl.GetString(gl.RENDERER), "\n")
		print("GL_VERSION    = ", gl.GetString(gl.VERSION), "\n")
		print("GL_VENDOR     = ", gl.GetString(gl.VENDOR), "\n")
		print("GL_EXTENSIONS = ", gl.GetString(gl.EXTENSIONS), "\n")
	}

}

Example #4

File: video.go Project: jcd/go-gamelib

func SetupVideo() {

	if sdl.Init(sdl.INIT_VIDEO) < 0 {
		panic("Couldn't initialize sdl")
	}

	w := WinW
	h := WinH

	var screen = sdl.SetVideoMode(w, h, 32, SDL_FLAGS)

	//	var screen = sdl.SetVideoMode(w, h, 32, sdl.OPENGLBLIT | sdl.DOUBLEBUF | sdl.HWSURFACE)
	//	var screen = sdl.SetVideoMode(w, h, 32, sdl.OPENGL)

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

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

	if gl.Init() != 0 {
		panic("Couldn't init gl")
	}

	ResizeWindow(screen.W, screen.H)

	gl.ClearColor(0, 0, 0, 0)
	//	gl.ClearColor(1, 1, 1, 0)
	gl.ClearDepth(1.0)
	gl.DepthFunc(gl.LEQUAL)
	gl.Enable(gl.DEPTH_TEST)
	gl.ShadeModel(gl.SMOOTH)
	gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)

	/*
		if gl.Init() != 0 {
			panic("glew error")
		}
	*/
	//	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT )

	// gl.Clear(gl.COLOR_BUFFER_BIT)

	// initGL

	// gl.Ortho(0, gl.GLdouble(screen.W), gl.GLdouble(screen.H), 0, -1.0, 1.0)

}

Example #5

File: lesson08.go Project: shogg/opengl-go-tutorials

// general OpenGL initialization
func initGL() {
  gl.Enable(gl.TEXTURE_2D)
  gl.ShadeModel(gl.SMOOTH)
  gl.ClearColor(0.0, 0.0, 0.0, 0.5)
  gl.ClearDepth(1.0)
  gl.Enable(gl.DEPTH_TEST)
  gl.DepthFunc(gl.LEQUAL)
  gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)

  // Setup the light
  gl.Lightfv(gl.LIGHT1, gl.AMBIENT, lightAmbient[:]) // ambient lighting
  gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, lightDiffuse[:]) // make it diffuse
  gl.Lightfv(gl.LIGHT1, gl.POSITION, lightPosition[:]) // and place it
  gl.Enable(gl.LIGHT1) // and finally turn it on.

  gl.Color4f(1.0, 1.0, 1.0, 0.5) // Full Brightness, 50% Alpha ( NEW )
  gl.BlendFunc(gl.SRC_ALPHA, gl.ONE) // Blending Function For Translucency Based On Source Alpha Value ( NEW )
}

Example #6

File: lesson01.go Project: PragmaticCypher/opengl-go-tutorials

// general OpenGL initialization
func initGL() {
	// enable smooth shading
	gl.ShadeModel(gl.SMOOTH)

	// Set the background to black
	gl.ClearColor(0.0, 0.0, 0.0, 0.0)

	// Depth buffer setup
	gl.ClearDepth(1.0)

	// Enable depth testing
	gl.Enable(gl.DEPTH_TEST)

	// The type of test
	gl.DepthFunc(gl.LEQUAL)

	// Nicest perspective correction
	gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)
}

Example #7

File: lesson10.go Project: PragmaticCypher/opengl-go-tutorials

// general OpenGL initialization
func initGL() {
	LoadGLTextures("data/mud.bmp")

	gl.Enable(gl.TEXTURE_2D)
	gl.ShadeModel(gl.SMOOTH)
	gl.ClearColor(0.0, 0.0, 0.0, 0.0)
	gl.ClearDepth(1.0)
	gl.Enable(gl.DEPTH_TEST)
	gl.DepthFunc(gl.LEQUAL)
	gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)

	gl.Lightfv(gl.LIGHT1, gl.AMBIENT, lightAmbient[:])
	gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, lightDiffuse[:])
	gl.Lightfv(gl.LIGHT1, gl.POSITION, lightPosition[:])
	gl.Enable(gl.LIGHT1)

	gl.Color4f(1.0, 1.0, 1.0, 0.5)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE)
}

Example #8

File: lesson07.go Project: shogg/opengl-go-tutorials

// general OpenGL initialization
func initGL() {
	gl.Enable(gl.TEXTURE_2D)
	gl.ShadeModel(gl.SMOOTH)
	gl.ClearColor(0.0, 0.0, 0.0, 0.5)
	gl.ClearDepth(1.0)
	gl.Enable(gl.DEPTH_TEST)
	gl.DepthFunc(gl.LEQUAL)
	gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)

	// Setup the light
	gl.Lightfv(gl.LIGHT1, gl.AMBIENT, lightAmbient1[:])   // ambient lighting
	gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, lightDiffuse1[:])   // make it diffuse
	gl.Lightfv(gl.LIGHT1, gl.POSITION, lightPosition1[:]) // and place it
	gl.Enable(gl.LIGHT1)                                  // and finally turn it on.

	gl.Lightfv(gl.LIGHT2, gl.AMBIENT, lightAmbient2[:])   // ambient lighting
	gl.Lightfv(gl.LIGHT2, gl.DIFFUSE, lightDiffuse2[:])   // make it diffuse
	gl.Lightfv(gl.LIGHT2, gl.POSITION, lightPosition2[:]) // and place it
	gl.Enable(gl.LIGHT2)                                  // and finally turn it on.
}