Golang opengl.OpenGl类代码示例

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

在下文中一共展示了OpenGl类的9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: NewPaletteTexture

// NewPaletteTexture creates a new PaletteTexture instance.
func NewPaletteTexture(gl opengl.OpenGl, colorProvider ColorProvider) *PaletteTexture {
	tex := &PaletteTexture{
		gl:            gl,
		colorProvider: colorProvider,
		handle:        gl.GenTextures(1)[0]}

	tex.Update()

	return tex
}

开发者ID:inkyblackness，项目名称:shocked-client，代码行数:11，代码来源:PaletteTexture.go

示例2: NewBitmapTexture

// NewBitmapTexture downloads the provided raw data to OpenGL and returns a BitmapTexture instance.
func NewBitmapTexture(gl opengl.OpenGl, width, height int, pixelData []byte) *BitmapTexture {
	textureWidth := powerOfTwo(width)
	textureHeight := powerOfTwo(height)
	tex := &BitmapTexture{
		gl:     gl,
		width:  float32(width),
		height: float32(height),
		handle: gl.GenTextures(1)[0]}
	tex.u = tex.width / float32(textureWidth)
	tex.v = tex.height / float32(textureHeight)

	// The texture has to be blown up to use RGBA from the start;
	// OpenGL 3.2 doesn't know ALPHA format, Open GL ES 2.0 (WebGL) doesn't know RED or R8.
	rgbaData := make([]byte, textureWidth*textureHeight*BytesPerRgba)
	for y := 0; y < height; y++ {
		inStart := y * width
		outOffset := y * textureWidth * BytesPerRgba
		for x := 0; x < width; x++ {
			value := pixelData[inStart+x]
			rgbaData[outOffset+0] = value
			rgbaData[outOffset+1] = value
			rgbaData[outOffset+2] = value
			rgbaData[outOffset+3] = value
			outOffset += BytesPerRgba
		}
	}

	gl.BindTexture(opengl.TEXTURE_2D, tex.handle)
	gl.TexImage2D(opengl.TEXTURE_2D, 0, opengl.RGBA, int32(textureWidth), int32(textureHeight),
		0, opengl.RGBA, opengl.UNSIGNED_BYTE, rgbaData)
	gl.TexParameteri(opengl.TEXTURE_2D, opengl.TEXTURE_MAG_FILTER, opengl.NEAREST)
	gl.TexParameteri(opengl.TEXTURE_2D, opengl.TEXTURE_MIN_FILTER, opengl.NEAREST)
	gl.GenerateMipmap(opengl.TEXTURE_2D)
	gl.BindTexture(opengl.TEXTURE_2D, 0)

	return tex
}

开发者ID:inkyblackness，项目名称:shocked-client，代码行数:38，代码来源:BitmapTexture.go

示例3: NewTileSelectionRenderable

// NewTileSelectionRenderable returns a new instance of a renderable for tile selections
func NewTileSelectionRenderable(gl opengl.OpenGl, query TileSelectionQuery) *TileSelectionRenderable {
	vertexShader, err1 := opengl.CompileNewShader(gl, opengl.VERTEX_SHADER, mapTileSelectionVertexShaderSource)
	defer gl.DeleteShader(vertexShader)
	fragmentShader, err2 := opengl.CompileNewShader(gl, opengl.FRAGMENT_SHADER, mapTileSelectionFragmentShaderSource)
	defer gl.DeleteShader(fragmentShader)
	program, _ := opengl.LinkNewProgram(gl, vertexShader, fragmentShader)

	if err1 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 1:\n", err1)
	}
	if err2 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 2:\n", err2)
	}

	renderable := &TileSelectionRenderable{
		gl:                      gl,
		program:                 program,
		vertexArrayObject:       gl.GenVertexArrays(1)[0],
		vertexPositionBuffer:    gl.GenBuffers(1)[0],
		vertexPositionAttrib:    gl.GetAttribLocation(program, "vertexPosition"),
		modelMatrixUniform:      gl.GetUniformLocation(program, "modelMatrix"),
		viewMatrixUniform:       gl.GetUniformLocation(program, "viewMatrix"),
		projectionMatrixUniform: gl.GetUniformLocation(program, "projectionMatrix"),
		query: query}

	renderable.withShader(func() {
		limit := float32(32.0)
		var vertices = []float32{
			0.0, 0.0, 0.0,
			limit, 0.0, 0.0,
			limit, limit, 0.0,

			limit, limit, 0.0,
			0.0, limit, 0.0,
			0.0, 0.0, 0.0}

		gl.BindBuffer(opengl.ARRAY_BUFFER, renderable.vertexPositionBuffer)
		gl.BufferData(opengl.ARRAY_BUFFER, len(vertices)*4, vertices, opengl.STATIC_DRAW)
	})

	return renderable
}

开发者ID:inkyblackness，项目名称:shocked-client，代码行数:43，代码来源:TileSelectionRenderable.go

示例4: NewBasicHighlighter

// NewBasicHighlighter returns a new instance of BasicHighlighter.
func NewBasicHighlighter(gl opengl.OpenGl, color [4]float32) *BasicHighlighter {
	vertexShader, err1 := opengl.CompileNewShader(gl, opengl.VERTEX_SHADER, basicHighlighterVertexShaderSource)
	defer gl.DeleteShader(vertexShader)
	fragmentShader, err2 := opengl.CompileNewShader(gl, opengl.FRAGMENT_SHADER, basicHighlighterFragmentShaderSource)
	defer gl.DeleteShader(fragmentShader)
	program, _ := opengl.LinkNewProgram(gl, vertexShader, fragmentShader)

	if err1 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 1:\n", err1)
	}
	if err2 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 2:\n", err2)
	}

	highlighter := &BasicHighlighter{
		gl:                      gl,
		program:                 program,
		vertexArrayObject:       gl.GenVertexArrays(1)[0],
		vertexPositionBuffer:    gl.GenBuffers(1)[0],
		vertexPositionAttrib:    gl.GetAttribLocation(program, "vertexPosition"),
		modelMatrixUniform:      gl.GetUniformLocation(program, "modelMatrix"),
		viewMatrixUniform:       gl.GetUniformLocation(program, "viewMatrix"),
		projectionMatrixUniform: gl.GetUniformLocation(program, "projectionMatrix"),
		inColorUniform:          gl.GetUniformLocation(program, "inColor")}

	highlighter.withShader(func() {
		gl.BindBuffer(opengl.ARRAY_BUFFER, highlighter.vertexPositionBuffer)
		half := float32(0.5)
		var vertices = []float32{
			-half, -half, 0.0,
			half, -half, 0.0,
			half, half, 0.0,

			half, half, 0.0,
			-half, half, 0.0,
			-half, -half, 0.0}
		gl.BufferData(opengl.ARRAY_BUFFER, len(vertices)*4, vertices, opengl.STATIC_DRAW)

		gl.Uniform4fv(highlighter.inColorUniform, &color)
	})

	return highlighter
}

开发者ID:inkyblackness，项目名称:shocked-client，代码行数:44，代码来源:BasicHighlighter.go

示例5: NewSimpleBitmapRenderable

// NewSimpleBitmapRenderable returns a new instance of a simple bitmap renderable
func NewSimpleBitmapRenderable(gl opengl.OpenGl, paletteTexture graphics.Texture) *SimpleBitmapRenderable {
	vertexShader, err1 := opengl.CompileNewShader(gl, opengl.VERTEX_SHADER, simpleBitmapVertexShaderSource)
	defer gl.DeleteShader(vertexShader)
	fragmentShader, err2 := opengl.CompileNewShader(gl, opengl.FRAGMENT_SHADER, simpleBitmapFragmentShaderSource)
	defer gl.DeleteShader(fragmentShader)
	program, _ := opengl.LinkNewProgram(gl, vertexShader, fragmentShader)

	if err1 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 1:\n", err1)
	}
	if err2 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 2:\n", err2)
	}

	renderable := &SimpleBitmapRenderable{
		gl:      gl,
		program: program,

		vertexArrayObject:       gl.GenVertexArrays(1)[0],
		vertexPositionBuffer:    gl.GenBuffers(1)[0],
		vertexPositionAttrib:    gl.GetAttribLocation(program, "vertexPosition"),
		uvPositionBuffer:        gl.GenBuffers(1)[0],
		uvPositionAttrib:        gl.GetAttribLocation(program, "uvPosition"),
		modelMatrixUniform:      gl.GetUniformLocation(program, "modelMatrix"),
		viewMatrixUniform:       gl.GetUniformLocation(program, "viewMatrix"),
		projectionMatrixUniform: gl.GetUniformLocation(program, "projectionMatrix"),
		paletteTexture:          paletteTexture,
		paletteUniform:          gl.GetUniformLocation(program, "palette"),
		bitmapUniform:           gl.GetUniformLocation(program, "bitmap")}

	renderable.withShader(func() {
		gl := renderable.gl
		half := float32(0.5)
		var vertices = []float32{
			-half, -half, 0.0,
			half, -half, 0.0,
			half, half, 0.0,

			half, half, 0.0,
			-half, half, 0.0,
			-half, -half, 0.0}
		gl.BindBuffer(opengl.ARRAY_BUFFER, renderable.vertexPositionBuffer)
		gl.BufferData(opengl.ARRAY_BUFFER, len(vertices)*4, vertices, opengl.STATIC_DRAW)
	})

	return renderable
}

开发者ID:inkyblackness，项目名称:shocked-client，代码行数:48，代码来源:SimpleBitmapRenderable.go

示例6: NewTileTextureMapRenderable

// NewTileTextureMapRenderable returns a new instance of a renderable for tile maps
func NewTileTextureMapRenderable(gl opengl.OpenGl, paletteTexture graphics.Texture,
	textureQuery TextureQuery) *TileTextureMapRenderable {
	vertexShader, err1 := opengl.CompileNewShader(gl, opengl.VERTEX_SHADER, mapTileVertexShaderSource)
	defer gl.DeleteShader(vertexShader)
	fragmentShader, err2 := opengl.CompileNewShader(gl, opengl.FRAGMENT_SHADER, mapTileFragmentShaderSource)
	defer gl.DeleteShader(fragmentShader)
	program, _ := opengl.LinkNewProgram(gl, vertexShader, fragmentShader)

	if err1 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 1:\n", err1)
	}
	if err2 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 2:\n", err2)
	}

	renderable := &TileTextureMapRenderable{
		gl:                      gl,
		program:                 program,
		vertexArrayObject:       gl.GenVertexArrays(1)[0],
		vertexPositionBuffer:    gl.GenBuffers(1)[0],
		vertexPositionAttrib:    gl.GetAttribLocation(program, "vertexPosition"),
		modelMatrixUniform:      gl.GetUniformLocation(program, "modelMatrix"),
		viewMatrixUniform:       gl.GetUniformLocation(program, "viewMatrix"),
		projectionMatrixUniform: gl.GetUniformLocation(program, "projectionMatrix"),
		uvMatrixUniform:         gl.GetUniformLocation(program, "uvMatrix"),
		paletteUniform:          gl.GetUniformLocation(program, "palette"),
		bitmapUniform:           gl.GetUniformLocation(program, "bitmap"),
		paletteTexture:          paletteTexture,
		textureQuery:            textureQuery,
		tiles:                   make([][]*model.TileProperties, 64),
		lastTileType:            model.Solid}

	for i := 0; i < 64; i++ {
		renderable.tiles[i] = make([]*model.TileProperties, 64)
	}

	renderable.withShader(func() {
		gl.BindBuffer(opengl.ARRAY_BUFFER, renderable.vertexPositionBuffer)
		limit := float32(1.0)
		var vertices = []float32{
			0.0, 0.0, 0.0,
			limit, 0.0, 0.0,
			limit, limit, 0.0,

			limit, limit, 0.0,
			0.0, limit, 0.0,
			0.0, 0.0, 0.0}
		gl.BufferData(opengl.ARRAY_BUFFER, len(vertices)*4, vertices, opengl.STATIC_DRAW)
	})

	return renderable
}

开发者ID:inkyblackness，项目名称:shocked-client，代码行数:53，代码来源:TileTextureMapRenderable.go

示例7: NewTextRenderable

// NewTextRenderable returns a new instance of a text renderable
func NewTextRenderable(gl opengl.OpenGl, positionX, positionY float32, displaySize float32,
	paletteTexture graphics.Texture) *TextRenderable {
	vertexShader, err1 := opengl.CompileNewShader(gl, opengl.VERTEX_SHADER, textVertexShaderSource)
	defer gl.DeleteShader(vertexShader)
	fragmentShader, err2 := opengl.CompileNewShader(gl, opengl.FRAGMENT_SHADER, textFragmentShaderSource)
	defer gl.DeleteShader(fragmentShader)
	program, _ := opengl.LinkNewProgram(gl, vertexShader, fragmentShader)

	if err1 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 1:\n", err1)
	}
	if err2 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 2:\n", err2)
	}

	renderable := &TextRenderable{
		gl:      gl,
		program: program,
		modelMatrix: mgl.Ident4().
			Mul4(mgl.Translate3D(positionX, positionY, 0.0)).
			Mul4(mgl.Scale3D(displaySize, displaySize, 1.0)),

		vertexArrayObject:       gl.GenVertexArrays(1)[0],
		vertexPositionBuffer:    gl.GenBuffers(1)[0],
		vertexPositionAttrib:    gl.GetAttribLocation(program, "vertexPosition"),
		uvPositionBuffer:        gl.GenBuffers(1)[0],
		uvPositionAttrib:        gl.GetAttribLocation(program, "uvPosition"),
		modelMatrixUniform:      gl.GetUniformLocation(program, "modelMatrix"),
		viewMatrixUniform:       gl.GetUniformLocation(program, "viewMatrix"),
		projectionMatrixUniform: gl.GetUniformLocation(program, "projectionMatrix"),
		paletteTexture:          paletteTexture,
		paletteUniform:          gl.GetUniformLocation(program, "palette"),
		bitmapUniform:           gl.GetUniformLocation(program, "bitmap"),
		text:                    ""}

	return renderable
}

开发者ID:inkyblackness，项目名称:shocked-client，代码行数:38，代码来源:TextRenderable.go

示例8: NewTextureRenderable

// NewTextureRenderable returns a new instance of a texture renderable
func NewTextureRenderable(gl opengl.OpenGl, positionX, positionY float32, displaySize float32,
	paletteTexture graphics.Texture, bitmapTexture graphics.Texture) *TextureRenderable {
	vertexShader, err1 := opengl.CompileNewShader(gl, opengl.VERTEX_SHADER, textureVertexShaderSource)
	defer gl.DeleteShader(vertexShader)
	fragmentShader, err2 := opengl.CompileNewShader(gl, opengl.FRAGMENT_SHADER, textureFragmentShaderSource)
	defer gl.DeleteShader(fragmentShader)
	program, _ := opengl.LinkNewProgram(gl, vertexShader, fragmentShader)

	if err1 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 1:\n", err1)
	}
	if err2 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 2:\n", err2)
	}

	renderable := &TextureRenderable{
		gl:      gl,
		program: program,
		modelMatrix: mgl.Ident4().
			Mul4(mgl.Translate3D(positionX, positionY, 0.0)).
			Mul4(mgl.Scale3D(displaySize, displaySize, 1.0)),

		vertexArrayObject:       gl.GenVertexArrays(1)[0],
		vertexPositionBuffer:    gl.GenBuffers(1)[0],
		vertexPositionAttrib:    gl.GetAttribLocation(program, "vertexPosition"),
		modelMatrixUniform:      gl.GetUniformLocation(program, "modelMatrix"),
		viewMatrixUniform:       gl.GetUniformLocation(program, "viewMatrix"),
		projectionMatrixUniform: gl.GetUniformLocation(program, "projectionMatrix"),
		paletteTexture:          paletteTexture,
		paletteUniform:          gl.GetUniformLocation(program, "palette"),
		bitmapTexture:           bitmapTexture,
		bitmapUniform:           gl.GetUniformLocation(program, "bitmap")}

	renderable.withShader(func() {
		gl.BindBuffer(opengl.ARRAY_BUFFER, renderable.vertexPositionBuffer)
		limit := float32(1.0)
		var vertices = []float32{
			0.0, 0.0, 0.0,
			limit, 0.0, 0.0,
			limit, limit, 0.0,

			limit, limit, 0.0,
			0.0, limit, 0.0,
			0.0, 0.0, 0.0}
		gl.BufferData(opengl.ARRAY_BUFFER, len(vertices)*4, vertices, opengl.STATIC_DRAW)
	})

	return renderable
}

开发者ID:inkyblackness，项目名称:shocked-client，代码行数:50，代码来源:TextureRenderable.go

示例9: NewTileGridMapRenderable

// NewTileGridMapRenderable returns a new instance of a renderable for tile grid maps
func NewTileGridMapRenderable(gl opengl.OpenGl) *TileGridMapRenderable {
	vertexShader, err1 := opengl.CompileNewShader(gl, opengl.VERTEX_SHADER, mapTileGridVertexShaderSource)
	defer gl.DeleteShader(vertexShader)
	fragmentShader, err2 := opengl.CompileNewShader(gl, opengl.FRAGMENT_SHADER, mapTileGridFragmentShaderSource)
	defer gl.DeleteShader(fragmentShader)
	program, _ := opengl.LinkNewProgram(gl, vertexShader, fragmentShader)

	if err1 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 1:\n", err1)
	}
	if err2 != nil {
		fmt.Fprintf(os.Stderr, "Failed to compile shader 2:\n", err2)
	}

	renderable := &TileGridMapRenderable{
		gl:                      gl,
		program:                 program,
		vertexArrayObject:       gl.GenVertexArrays(1)[0],
		vertexPositionBuffer:    gl.GenBuffers(1)[0],
		vertexPositionAttrib:    gl.GetAttribLocation(program, "vertexPosition"),
		viewMatrixUniform:       gl.GetUniformLocation(program, "viewMatrix"),
		projectionMatrixUniform: gl.GetUniformLocation(program, "projectionMatrix"),
		tiles: make([][]*model.TileProperties, 64)}

	for i := 0; i < 64; i++ {
		renderable.tiles[i] = make([]*model.TileProperties, 64)
	}

	return renderable
}

开发者ID:inkyblackness，项目名称:shocked-client，代码行数:31，代码来源:TileGridMapRenderable.go

注：本文中的github.com/inkyblackness/shocked-client/opengl.OpenGl类示例整理自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。