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Golang gl.Begin函數代碼示例

本文整理匯總了Golang中github.com/banthar/gl.Begin函數的典型用法代碼示例。如果您正苦於以下問題：Golang Begin函數的具體用法？Golang Begin怎麽用？Golang Begin使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了Begin函數的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: Render

func (f frame) Render(w, h, d float64) {
	// Draw a wireframe around the arena
	gl.Color4ub(255, 255, 255, 31)
	gl.LineWidth(2.0)
	gl.Begin(gl.LINE_STRIP)
	gl.Vertex3d(0, 0, 0)
	gl.Vertex3d(w, 0, 0)
	gl.Vertex3d(w, h, 0)
	gl.Vertex3d(0, h, 0)
	gl.Vertex3d(0, 0, 0)
	gl.Vertex3d(0, 0, d)
	gl.Vertex3d(0, h, d)
	gl.Vertex3d(w, h, d)
	gl.Vertex3d(w, 0, d)
	gl.Vertex3d(0, 0, d)
	gl.End()
	gl.Begin(gl.LINES)
	gl.Vertex3d(0, h, 0)
	gl.Vertex3d(0, h, d)
	gl.Vertex3d(w, 0, 0)
	gl.Vertex3d(w, 0, d)
	gl.Vertex3d(w, h, 0)
	gl.Vertex3d(w, h, d)
	gl.End()

	// Render the page.
	if f.renderer != nil {
		f.renderer.Render(w, h, d)
	}
}
開發者ID:glenn-brown，項目名稱:vu，代碼行數:30，代碼來源:layout.go

示例2: drawShip

func drawShip(angle float32) {
	gl.PushMatrix()
	gl.Translatef(x, y, 0.0)
	gl.Rotatef(angle, 0.0, 0.0, 1.0)
	if thrust {
		gl.Color3f(1.0, 0.0, 0.0)
		gl.Begin(gl.LINE_STRIP)
		gl.Vertex2f(-0.75, -0.5)
		gl.Vertex2f(-1.75, 0)
		gl.Vertex2f(-0.75, 0.5)
		gl.End()
	}
	gl.Color3f(1.0, 1.0, 0.0)
	gl.Begin(gl.LINE_LOOP)
	gl.Vertex2f(2.0, 0.0)
	gl.Vertex2f(-1.0, -1.0)
	gl.Vertex2f(-0.5, 0.0)
	gl.Vertex2f(-1.0, 1.0)
	gl.Vertex2f(2.0, 0.0)
	gl.End()
	if shield {
		gl.Color3f(0.1, 0.1, 1.0)
		gl.Begin(gl.LINE_LOOP)
		for rad := 0.0; rad < 12.0; rad += 1.0 {
			gl.Vertex2f(
				float32(2.3*math.Cos(2*float64(rad)/math.Pi)+0.2),
				float32(2.0*math.Sin(2*float64(rad)/math.Pi)))
		}
		gl.End()
	}
	gl.PopMatrix()
}
開發者ID:tmc，項目名稱:glut，代碼行數:32，代碼來源:asteroids.go

示例3: DrawItemSlot

func (self *Inventory) DrawItemSlot(t int64, r Rect) {
	gl.PushMatrix()
	gl.LoadIdentity()

	gl.Color4ub(16, 16, 16, 255)
	gl.Begin(gl.QUADS)
	gl.Vertex2d(r.x, r.y)
	gl.Vertex2d(r.x+r.sizex, r.y)
	gl.Vertex2d(r.x+r.sizex, r.y+r.sizey)
	gl.Vertex2d(r.x, r.y+r.sizey)
	gl.End()

	gl.Color4ub(6, 6, 6, 255)
	gl.Begin(gl.LINES)
	gl.Vertex2d(r.x, r.y)
	gl.Vertex2d(r.x+r.sizex, r.y)
	gl.Vertex2d(r.x, r.y)
	gl.Vertex2d(r.x, r.y+r.sizey)
	gl.End()

	gl.Color4ub(64, 64, 64, 255)
	gl.Begin(gl.LINES)
	gl.Vertex2d(r.x+r.sizex, r.y)
	gl.Vertex2d(r.x+r.sizex, r.y+r.sizey)
	gl.Vertex2d(r.x, r.y+r.sizey)
	gl.Vertex2d(r.x+r.sizex, r.y+r.sizey)
	gl.End()

	gl.PopMatrix()
}
開發者ID:uriel，項目名稱:amberfell，代碼行數:30，代碼來源:inventory.go

示例4: drawScene

func drawScene() {
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	gl.LoadIdentity()
	gl.Translatef(-1.5, 0, -6)
	gl.Rotatef(trisAngle, 0, 1, 0)

	gl.Begin(gl.TRIANGLES)
	gl.Color3f(1, 0, 0)
	gl.Vertex3f(0, 1, 0)
	gl.Color3f(0, 1, 0)
	gl.Vertex3f(-1, -1, 0)
	gl.Color3f(0, 0, 1)
	gl.Vertex3f(1, -1, 0)
	gl.End()

	gl.LoadIdentity()
	gl.Translatef(1.5, 0, -6)
	gl.Rotatef(quadAngle, 1, 0, 0)
	gl.Color3f(0.5, 0.5, 1.0)

	gl.Begin(gl.QUADS)
	gl.Vertex3f(-1, 1, 0)
	gl.Vertex3f(1, 1, 0)
	gl.Vertex3f(1, -1, 0)
	gl.Vertex3f(-1, -1, 0)
	gl.End()

	trisAngle += 0.2
	quadAngle -= 0.15

	glfw.SwapBuffers()
}
開發者ID:sycoso，項目名稱:glfw，代碼行數:33，代碼來源:main.go

示例5: DrawQuad

func DrawQuad(upperLeft, lowerRight vect.Vect, filled bool) {
	if filled {
		gl.Begin(gl.QUADS)
	} else {
		gl.Begin(gl.LINE_LOOP)
	}
	defer gl.End()

	gl.Vertex2d(upperLeft.X, upperLeft.Y)
	gl.Vertex2d(upperLeft.X, lowerRight.Y)
	gl.Vertex2d(lowerRight.X, lowerRight.Y)
	gl.Vertex2d(lowerRight.X, upperLeft.Y)
}
開發者ID:githubnemo，項目名稱:mater，代碼行數:13，代碼來源:render.go

示例6: DrawPoly

func DrawPoly(vertices []vect.Vect, vertCount int, filled bool) {
	if filled {
		gl.Begin(gl.TRIANGLE_FAN)
		gl.Vertex2d(vertices[0].X, vertices[0].Y)
	} else {
		gl.Begin(gl.LINE_LOOP)
	}
	defer gl.End()

	for i := 0; i < vertCount; i++ {
		v := vertices[i]
		gl.Vertex2d(v.X, v.Y)
	}
}
開發者ID:githubnemo，項目名稱:mater，代碼行數:14，代碼來源:render.go

示例7: DrawCircle

func DrawCircle(pos vect.Vect, radius float64, filled bool) {
	if filled {
		gl.Begin(gl.TRIANGLE_FAN)
		gl.Vertex2d(pos.X, pos.Y)
	} else {
		gl.Begin(gl.LINE_LOOP)
	}
	defer gl.End()

	var d float64
	for i := 0.0; i <= 360; i += circlestep {
		d = deg2grad * i
		gl.Vertex2d(pos.X+math.Cos(d)*radius, pos.Y+math.Sin(d)*radius)
	}
}
開發者ID:githubnemo，項目名稱:mater，代碼行數:15，代碼來源:render.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)

	// 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
	}
}
開發者ID:navneet1v，項目名稱:opengl-go-tutorials，代碼行數:49，代碼來源:lesson04.go

示例9: lineTo

func (pen *Pen) lineTo(p Point) {

	gl.Enable(gl.BLEND)
	gl.Enable(gl.POINT_SMOOTH)
	gl.Enable(gl.LINE_SMOOTH)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

	gl.Color4f(0.0, 0.0, 0.0, 0.1)

	gl.Begin(gl.LINES)

	for _, s := range pen.points {

		if s.x == 0 && s.y == 0 {
			continue
		}

		if p.distanceTo(s) < 20.0 {

			gl.Vertex2i(int(p.x), int(p.y))
			gl.Vertex2i(int(s.x), int(s.y))

		}

	}

	gl.End()

	pen.n = (pen.n + 1) % len(pen.points)
	pen.points[pen.n] = p

	pen.moveTo(p)

}
開發者ID:nkostelnik，項目名稱:gl，代碼行數:34，代碼來源:draw.go

示例10: Draw

func (s *Sprite) Draw(x, y, angle, scale float32, blend bool) {
	gl.Enable(gl.TEXTURE_2D)
	gl.Disable(gl.COLOR_MATERIAL)
	if blend {
		gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
		gl.Enable(gl.BLEND)
	} else {
		gl.Disable(gl.BLEND)
		gl.BlendFunc(gl.ONE, gl.ZERO)
	}

	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Translatef(x, y, 0)
	gl.Rotatef(angle*360/(2*math.Pi), 0, 0, 1)
	gl.Scalef(scale, scale, 1)
	s.tex.Bind(gl.TEXTURE_2D)
	gl.Begin(gl.QUADS)
	gl.Color3f(1, 1, 1)
	gl.TexCoord2d(0, 0)
	gl.Vertex3f(-0.5*s.width, -0.5*s.height, 0)
	gl.TexCoord2d(1, 0)
	gl.Vertex3f(0.5*s.width, -0.5*s.height, 0)
	gl.TexCoord2d(1, 1)
	gl.Vertex3f(0.5*s.width, 0.5*s.height, 0)
	gl.TexCoord2d(0, 1)
	gl.Vertex3f(-0.5*s.width, 0.5*s.height, 0)
	gl.End()
	gl.Disable(gl.TEXTURE_2D)
	gl.Disable(gl.BLEND)
}
開發者ID:mfpi，項目名稱:lecture-hall-games，代碼行數:31，代碼來源:utils.go

示例11: lineTo

func (pen *Pen) lineTo(x, y int) {
	gl.Enable(gl.BLEND)
	gl.Enable(gl.POINT_SMOOTH)
	gl.Enable(gl.LINE_SMOOTH)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.Color4f(0.0, 0.0, 0.0, 0.1)
	gl.Begin(gl.LINES)

	var p [2]int
	for i := range pen.points {
		p = pen.points[i]
		if p[0] == 0 && p[1] == 0 {
			continue
		}

		if distanceTo(x, y, p[0], p[1]) < 10.0 {
			gl.Vertex2i(x, y)
			gl.Vertex2i(p[0], p[1])
		}
	}

	gl.End()

	pen.n = (pen.n + 1) % len(pen.points)
	pen.points[pen.n][0] = x
	pen.points[pen.n][1] = y
	pen.moveTo(x, y)
}
開發者ID:sycoso，項目名稱:glfw，代碼行數:28，代碼來源:main.go

示例12: drawLine

func drawLine(x1, y1, x2, y2 float64) {

	gl.Begin(gl.LINES)
	gl.Vertex2d(x1, y1)
	gl.Vertex2d(x2, y2)
	gl.End()
}
開發者ID:reiver，項目名稱:lifepack，代碼行數:7，代碼來源:draw.go

示例13: Draw

func (self *Picker) Draw(t int64) {

	gl.MatrixMode(gl.MODELVIEW)
	gl.PushMatrix()

	gl.LoadIdentity()

	gl.Disable(gl.DEPTH_TEST)
	gl.Disable(gl.LIGHTING)
	gl.Disable(gl.LIGHT0)
	gl.Disable(gl.LIGHT1)

	gl.Begin(gl.TRIANGLE_FAN)
	gl.Color4ub(0, 0, 0, 128)
	gl.Vertex2f(self.x, self.y)
	for angle := float64(0); angle <= 2*math.Pi; angle += math.Pi / 2 / 10 {
		gl.Vertex2f(self.x-float32(math.Sin(angle))*self.radius, self.y+float32(math.Cos(angle))*self.radius)
	}
	gl.End()

	self.DrawItemHighlight(t, ThePlayer.currentAction)
	self.DrawPlayerItems(t, true)

	gl.PopMatrix()

}
開發者ID:codygman，項目名稱:amberfell，代碼行數:26，代碼來源:picker.go

示例14: Render

func (pp Points) Render() {
	gl.Begin(gl.POINTS)
	for _, p := range pp {
		gl.Vertex2d(p.X, p.Y)
	}
	gl.End()
}
開發者ID:glenn-brown，項目名稱:vu，代碼行數:7，代碼來源:points.go

示例15: DrawLine

func DrawLine(start, end vect.Vect) {
	gl.Begin(gl.LINES)
	defer gl.End()

	gl.Vertex2d(start.X, start.Y)
	gl.Vertex2d(end.X, end.Y)
}
開發者ID:githubnemo，項目名稱:mater，代碼行數:7，代碼來源:render.go


注：本文中的github.com/banthar/gl.Begin函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。