Golang gl.Color4ub函數代碼示例

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()
}

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()

}

func (self *Pause) 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.Color4ub(0, 0, 0, 240)

	gl.Begin(gl.QUADS)
	gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane))
	gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane))
	gl.Vertex2f(float32(viewport.rplane), float32(viewport.tplane))
	gl.Vertex2f(float32(viewport.lplane), float32(viewport.tplane))
	gl.End()

	str := "paused"
	h, w := pauseFont.Measure(str)

	// x := (viewport.rplane - viewport.lplane - w) / 2
	// y := (viewport.tplane - viewport.bplane - h) / 2
	gl.Translated(-w/2, -h/2, 0)
	pauseFont.Print(str)

	gl.PopMatrix()

}

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)
	}
}

func (self *Console) 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)

	h := float32(consoleFont.height) * PIXEL_SCALE
	margin := float32(3.0) * PIXEL_SCALE
	consoleHeight := 3 * h

	gl.MatrixMode(gl.MODELVIEW)

	gl.LoadIdentity()
	gl.Color4ub(0, 0, 0, 208)

	gl.Begin(gl.QUADS)
	gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane)+consoleHeight+margin*2) // Bottom Left Of The Texture and Quad
	gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane)+consoleHeight+margin*2) // Bottom Right Of The Texture and Quad
	gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane))                        // Top Right Of The Texture and Quad
	gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane))                        // Top Left Of The Texture and Quad
	gl.End()

	gl.Translatef(float32(viewport.lplane)+margin, float32(viewport.bplane)+consoleHeight+margin-h, 0)
	consoleFont.Print(fmt.Sprintf("FPS: %5.2f V: %d (%d) CH: %d M: %d", self.fps, self.vertices, self.culledVertices, len(TheWorld.chunks), len(TheWorld.mobs)))
	gl.LoadIdentity()
	gl.Translatef(float32(viewport.lplane)+margin, float32(viewport.bplane)+consoleHeight+margin-2*h, 0)

	consoleFont.Print(fmt.Sprintf("X: %5.2f Y: %4.2f Z: %5.2f H: %5.2f (%s) D: %0.1f (%d)", ThePlayer.position[XAXIS], ThePlayer.position[YAXIS], ThePlayer.position[ZAXIS], ThePlayer.heading, HeadingToCompass(ThePlayer.heading), ThePlayer.distanceTravelled, ThePlayer.distanceFromStart))

	gl.LoadIdentity()
	gl.Translatef(float32(viewport.lplane)+margin, float32(viewport.bplane)+consoleHeight+margin-3*h, 0)

	numgc := uint32(0)
	avggc := float64(0)
	var last3 [3]float64
	if self.mem.NumGC > 3 {
		numgc = self.mem.NumGC
		avggc = float64(self.mem.PauseTotalNs) / float64(self.mem.NumGC) / 1e6
		index := int(numgc) - 1
		if index > 255 {
			index = 255
		}

		last3[0] = float64(self.mem.PauseNs[index]) / 1e6
		last3[1] = float64(self.mem.PauseNs[index-1]) / 1e6
		last3[2] = float64(self.mem.PauseNs[index-2]) / 1e6
	}

	consoleFont.Print(fmt.Sprintf("Mem: %.1f/%.1f   GC: %.1fms [%d: %.1f, %.1f, %.1f] ChGen: %.1fms | Sc: %.1f TOD: %.1f", float64(self.mem.Alloc)/(1024*1024), float64(self.mem.Sys)/(1024*1024), avggc, numgc, last3[0], last3[1], last3[2], float64(self.chunkGenerationTime)/1e6, viewport.scale, timeOfDay))

	gl.PopMatrix()
}

func (world *World) Render(w, h, d float64) {
	gl.PushMatrix()
	gl.Scaled(w, h, d)

	// Draw the goal
	gl.Begin(gl.POINTS)
	gl.Color3ub(255, 0, 0)
	gl.PointSize(6)
	gl.Vertex2d(world.goal.X, world.goal.Y)
	gl.End()

	// Draw the obstacles
	gl.Color4ub(0, 0, 255, 63)
	world.obstacles.Render()

	// Draw the percept
	gl.Color4ub(0, 255, 0, 127)
	gl.LineWidth(1.5)
	gl.Begin(gl.LINES)
	for _, pt := range world.percept {
		gl.Vertex2d(world.robot.X, world.robot.Y)
		gl.Vertex2d(world.robot.X+pt.X, world.robot.Y+pt.Y)
	}
	gl.End()

	// Draw the map
	gl.Color3ub(0, 0, 255)
	gl.LineWidth(2)
	// FIXME

	// Draw the robot
	gl.Color3ub(0, 255, 0)
	gl.PointSize(4)
	gl.Begin(gl.POINTS)
	gl.Vertex2d(world.robot.X, world.robot.Y)
	gl.End()

	gl.PopMatrix()
}

func (self *Picker) DrawItemHighlight(t int64, position Action) {
	gl.PushMatrix()
	gl.LoadIdentity()

	actionItemAngle := -(float64(position) - 1.5) * math.Pi / 4
	gl.Begin(gl.TRIANGLE_FAN)
	gl.Color4ub(64, 64, 64, 228)
	gl.Vertex2f(self.x-self.actionItemRadius*float32(math.Sin(actionItemAngle)), self.y+self.actionItemRadius*float32(math.Cos(actionItemAngle)))
	for angle := float64(0); angle <= 2*math.Pi; angle += math.Pi / 2 / 10 {
		gl.Vertex2f(self.x-self.actionItemRadius*float32(math.Sin(actionItemAngle))-float32(math.Sin(angle))*self.selectionRadius, self.y+self.actionItemRadius*float32(math.Cos(actionItemAngle))+float32(math.Cos(angle))*self.selectionRadius)
	}
	gl.End()
	gl.PopMatrix()
}

func (self *Inventory) ShowTooltip(x, y float64, str string) {
	h, w := inventoryItemFont.Measure(str)

	pad := 4 * PIXEL_SCALE
	gl.PushMatrix()

	gl.LoadIdentity()
	gl.Color4ub(0, 0, 0, 255)
	gl.Begin(gl.QUADS)
	gl.Vertex2d(x, y)
	gl.Vertex2d(x+w+pad, y)
	gl.Vertex2d(x+w+pad, y+h)
	gl.Vertex2d(x, y+h)
	gl.End()

	gl.Translated(x+pad/2, y+pad/2, 0)
	inventoryItemFont.Print(str)

	gl.PopMatrix()
}

func (self *Font) Print(str string) {
	for _, ch := range str {
		self.textures[ch].Bind(gl.TEXTURE_2D)
		h := float32(self.height) * PIXEL_SCALE
		w := float32(self.widths[ch]) * PIXEL_SCALE
		gl.Color4ub(255, 255, 255, 255)
		gl.Begin(gl.QUADS)
		gl.TexCoord2d(0, 0)
		gl.Vertex2f(0, 0) // Bottom Left Of The Texture and Quad
		gl.TexCoord2d(1, 0)
		gl.Vertex2f(w, 0) // Bottom Right Of The Texture and Quad
		gl.TexCoord2d(1, 1)
		gl.Vertex2f(w, h) // Top Right Of The Texture and Quad
		gl.TexCoord2d(0, 1)
		gl.Vertex2f(0, h) // Top Left Of The Texture and Quad
		gl.End()
		gl.Translatef(w, 0, 0)
		self.textures[ch].Unbind(gl.TEXTURE_2D)
	}
}

func (self *Inventory) 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.Color4ub(0, 0, 0, 208)

	gl.Begin(gl.QUADS)
	gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane))
	gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane))
	gl.Vertex2f(float32(viewport.rplane), float32(viewport.tplane))
	gl.Vertex2f(float32(viewport.lplane), float32(viewport.tplane))
	gl.End()

	picker.DrawItemHighlight(t, 3)
	picker.DrawItemHighlight(t, 4)
	picker.DrawItemHighlight(t, 5)
	picker.DrawItemHighlight(t, 6)
	picker.DrawItemHighlight(t, 7)
	picker.DrawPlayerItems(t)

	const blocksize = float64(0.3)
	const COLSIZE = 12

	diam := blocksize * 2.4

	offset := diam + float64(4)*PIXEL_SCALE

	for i := range self.inventoryRects {
		x := float64(viewport.lplane) + float64(10)*PIXEL_SCALE + float64(i/COLSIZE)*offset
		y := float64(viewport.tplane) - float64(10)*PIXEL_SCALE - float64(i%COLSIZE)*offset
		self.inventoryRects[i] = Rect{x, y - diam, diam, diam}
		self.DrawItemSlot(t, self.inventoryRects[i])
	}

	slot := 0
	for i := 1; i < len(ThePlayer.inventory); i++ {
		if ThePlayer.inventory[i] > 0 {
			self.inventorySlots[slot] = uint16(i)
			self.DrawItem(t, ThePlayer.inventory[i], uint16(i), self.inventoryRects[slot])
			slot++
		}
	}

	for i := range self.componentSlots {
		x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + float64(i)*offset
		y := float64(viewport.tplane) - (10.0 * PIXEL_SCALE)
		self.componentRects[i] = Rect{x, y - diam, diam, diam}

		self.DrawItemSlot(t, self.componentRects[i])
	}

	for i, cs := range self.componentSlots {
		if cs != 0 {
			self.DrawItem(t, ThePlayer.inventory[cs], cs, self.componentRects[i])
		}
	}

	for i := range self.productSlots {
		x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + offset*float64(i%len(self.componentRects))
		y := float64(viewport.tplane) - (10.0 * PIXEL_SCALE) - offset*float64(2+float64(i/len(self.componentRects)))
		self.productRects[i] = Rect{x, y - diam, diam, diam}

		self.DrawItemSlot(t, self.productRects[i])
	}

	for i, ps := range self.productSlots {
		if ps != nil {
			self.DrawItem(t, ps.product.quantity, ps.product.item, self.productRects[i])
		}
	}

	if self.currentContainer != nil {

		for i := range self.containerRects {
			x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + float64(i)*offset
			y := float64(viewport.tplane) - (10.0 * PIXEL_SCALE) - offset*float64(2+float64(len(self.productRects)/len(self.componentRects))) - offset*float64(2+float64(i/len(self.componentRects)))
			self.containerRects[i] = Rect{x, y - diam, diam, diam}

			self.DrawItemSlot(t, self.containerRects[i])
		}

		for i := uint16(0); i < self.currentContainer.Slots(); i++ {
			item := self.currentContainer.Item(i)
			if item != nil {
				self.DrawItem(t, item.quantity, item.item, self.containerRects[i])
			}
		}

		gl.PushMatrix()
		gl.LoadIdentity()
		gl.Translated(self.containerRects[0].x, self.containerRects[0].y+diam, 0)
		inventoryItemFont.Print(self.currentContainer.Label())
		gl.PopMatrix()

//.........這裏部分代碼省略.........

func (s *Scatter) Render(w, h, d float64) {
	gl.PushMatrix()
	min, max := s.points.Bounds()
	dim := max.Sub(min)
	gl.Scaled(w/dim.X, h/dim.Y, d/dim.Z)
	gl.Translated(-min.X, -min.Y, -min.Z)

	// Draw axes: red X, green Y, blue Z.

	gl.Begin(gl.LINES)
	gl.LineWidth(1.5)
	gl.Color3ub(255, 0, 0)
	gl.Vertex3d(min.X, min.Y, min.Z)
	gl.Vertex3d(max.X, min.Y, min.Z)
	gl.Color3ub(0, 255, 0)
	gl.Vertex3d(min.X, min.Y, min.Z)
	gl.Vertex3d(min.X, max.Y, min.Z)
	gl.Color3ub(0, 0, 255)
	gl.Vertex3d(min.X, min.Y, min.Z)
	gl.Vertex3d(min.X, min.Y, max.Z)
	gl.End()

	// Draw 2d plots on the XY, YZ, and XZ planes.

	gl.PointSize(10.0)
	gl.Begin(gl.POINTS)

	// X plot
	gl.Color4ub(255, 0, 0, 31)
	for _, p := range s.points {
		gl.Vertex3d(p.X, min.Y, min.Z)
	}
	// Y plot
	gl.Color4ub(0, 255, 0, 31)
	for _, p := range s.points {
		gl.Vertex3d(min.X, p.Y, min.Z)
	}
	// Z plot
	gl.Color4ub(0, 0, 255, 31)
	for _, p := range s.points {
		gl.Vertex3d(min.X, min.Y, p.Z)
	}

	// XY plot
	gl.Color4ub(255, 255, 0, 63)
	for _, p := range s.points {
		gl.Vertex3d(p.X, p.Y, min.Z)
	}
	// YZ plot
	gl.Color4ub(0, 255, 255, 63)
	for _, p := range s.points {
		gl.Vertex3d(min.X, p.Y, p.Z)
	}
	// XZ plot
	gl.Color4ub(255, 0, 255, 63)
	for _, p := range s.points {
		gl.Vertex3d(p.X, min.Y, p.Z)
	}

	// XYZ plot
	gl.Color4ub(255, 255, 255, 128)
	for _, p := range s.points {
		gl.Vertex3d(p.X, p.Y, p.Z)
	}
	gl.End()
	gl.PopMatrix()
}

// Here goes our drawing code
func drawGLScene() {
	// Clear the screen and depth buffer
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
	gl.BindTexture(gl.TEXTURE_2D, uint(texture))

	for loop, star := range stars {
		gl.LoadIdentity()
		gl.Translatef(0.0, 0.0, float32(zoom))
		gl.Rotatef(float32(tilt), 1.0, 0.0, 0.0)
		gl.Rotatef(float32(star.angle), 0.0, 1.0, 0.0)
		gl.Translatef(float32(star.dist), 0.0, 0.0)
		gl.Rotatef(float32(-star.angle), 0.0, 1.0, 0.0)
		gl.Rotatef(float32(-tilt), 1.0, 0.0, 0.0)

		if twinkle {
			other := stars[(num-loop)-1]
			gl.Color4ub(uint8(other.r), uint8(other.g), uint8(other.b), 255)
			gl.Begin(gl.QUADS)
			gl.TexCoord2f(0.0, 0.0)
			gl.Vertex3f(-1.0, -1.0, 0.0)
			gl.TexCoord2f(1.0, 0.0)
			gl.Vertex3f(1.0, -1.0, 0.0)
			gl.TexCoord2f(1.0, 1.0)
			gl.Vertex3f(1.0, 1.0, 0.0)
			gl.TexCoord2f(0.0, 1.0)
			gl.Vertex3f(-1.0, 1.0, 0.0)
			gl.End()
		}

		gl.Rotatef(float32(spin), 0.0, 0.0, 1.0)
		gl.Color4ub(uint8(star.r), uint8(star.g), uint8(star.b), 255)
		gl.Begin(gl.QUADS)
		gl.TexCoord2f(0.0, 0.0)
		gl.Vertex3f(-1.0, -1.0, 0.0)
		gl.TexCoord2f(1.0, 0.0)
		gl.Vertex3f(1.0, -1.0, 0.0)
		gl.TexCoord2f(1.0, 1.0)
		gl.Vertex3f(1.0, 1.0, 0.0)
		gl.TexCoord2f(0.0, 1.0)
		gl.Vertex3f(-1.0, 1.0, 0.0)
		gl.End()

		spin += 0.01
		star.angle += gl.GLfloat(loop) / gl.GLfloat(num)
		star.dist -= 0.01

		if star.dist < 0.0 {
			star.dist += 5.0
			star.r = gl.GLubyte(rand.Float32() * 255)
			star.g = gl.GLubyte(rand.Float32() * 255)
			star.b = gl.GLubyte(rand.Float32() * 255)
		}
	}

	// 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
	}
}

func Draw(t int64) {
	console.culledVertices = 0
	console.vertices = 0
	gVertexBuffer.Reset()

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

	gl.Color4ub(192, 192, 192, 255)
	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.DEPTH_TEST)
	gl.Enable(gl.LIGHTING)
	gl.Enable(gl.LIGHT0)
	gl.Enable(gl.COLOR_MATERIAL)
	gl.LoadIdentity()

	center := ThePlayer.Position()

	matrix := ModelMatrix().Float32()
	gl.MultMatrixf(&matrix[0])

	// Sun
	gl.Materialfv(gl.FRONT, gl.AMBIENT, []float32{0.1, 0.1, 0.1, 1})
	gl.Materialfv(gl.FRONT, gl.DIFFUSE, []float32{0.1, 0.1, 0.1, 1})
	gl.Materialfv(gl.FRONT, gl.SPECULAR, []float32{0.1, 0.1, 0.1, 1})
	gl.Materialfv(gl.FRONT, gl.SHININESS, []float32{0.0, 0.0, 0.0, 1})

	daylightIntensity := float32(SUNLIGHT_LEVELS[sunlightLevel])

	gl.LightModelfv(gl.LIGHT_MODEL_AMBIENT, []float32{daylightIntensity / 2.5, daylightIntensity / 2.5, daylightIntensity / 2.5, 1})

	gl.Lightfv(gl.LIGHT0, gl.POSITION, []float32{30 * float32(math.Sin(ThePlayer.Heading()*math.Pi/180)), 60, 30 * float32(math.Cos(ThePlayer.Heading()*math.Pi/180)), 0})
	gl.Lightfv(gl.LIGHT0, gl.AMBIENT, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})
	gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, []float32{daylightIntensity * 2, daylightIntensity * 2, daylightIntensity * 2, 1})
	gl.Lightfv(gl.LIGHT0, gl.SPECULAR, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})

	gl.RenderMode(gl.RENDER)

	var selectedBlockFace *BlockFace
	if !pause.visible && !inventory.visible {
		selectedBlockFace = viewport.SelectedBlockFace()
	}
	ThePlayer.Draw(center, selectedBlockFace)
	TheWorld.Draw(center, selectedBlockFace)

	if pause.visible {
		pause.Draw(t)
	} else if inventory.visible {
		inventory.Draw(t)
	} else {
		picker.Draw(t)

	}

	if console.visible {
		console.Draw(t)
	}

	gl.Finish()
	gl.Flush()
	sdl.GL_SwapBuffers()
	console.framesDrawn++
}

func (self *Inventory) 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.Color4ub(0, 0, 0, 240)

	gl.Begin(gl.QUADS)
	gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane))
	gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane))
	gl.Vertex2f(float32(viewport.rplane), float32(viewport.tplane))
	gl.Vertex2f(float32(viewport.lplane), float32(viewport.tplane))
	gl.End()

	picker.DrawItemHighlight(t, 3)
	picker.DrawItemHighlight(t, 4)
	picker.DrawItemHighlight(t, 5)
	picker.DrawItemHighlight(t, 6)
	picker.DrawItemHighlight(t, 7)
	picker.DrawPlayerItems(t)

	const blocksize = float64(0.3)
	const COLSIZE = 12

	diam := blocksize * 2.4

	offset := diam + float64(4)*PIXEL_SCALE

	for i := 0; i < len(self.inventoryRects); i++ {
		x := float64(viewport.lplane) + float64(10)*PIXEL_SCALE + float64(i/COLSIZE)*offset
		y := float64(viewport.tplane) - float64(10)*PIXEL_SCALE - float64(i%COLSIZE)*offset
		self.inventoryRects[i] = Rect{x, y - diam, diam, diam}
		self.DrawItemSlot(t, self.inventoryRects[i])
	}

	slot := 0
	for i := 1; i < len(ThePlayer.inventory); i++ {
		if ThePlayer.inventory[i] > 0 {
			self.inventorySlots[slot] = uint16(i)
			self.DrawItem(t, ThePlayer.inventory[i], uint16(i), self.inventoryRects[slot])
			slot++
		}
	}

	for i := 0; i < len(self.componentSlots); i++ {
		x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + float64(i)*offset
		y := float64(viewport.tplane) - (float64(10) * PIXEL_SCALE)
		self.componentRects[i] = Rect{x, y - diam, diam, diam}

		self.DrawItemSlot(t, self.componentRects[i])
	}

	for i := 0; i < len(self.componentSlots); i++ {
		if self.componentSlots[i] != 0 {
			self.DrawItem(t, ThePlayer.inventory[self.componentSlots[i]], self.componentSlots[i], self.componentRects[i])
		}
	}

	for i := 0; i < len(self.productSlots); i++ {
		x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + offset*float64(i%len(self.componentRects))
		y := float64(viewport.tplane) - (float64(10) * PIXEL_SCALE) - offset*float64(2+float64(i/len(self.componentRects)))
		self.productRects[i] = Rect{x, y - diam, diam, diam}

		self.DrawItemSlot(t, self.productRects[i])
	}

	for i := 0; i < len(self.productSlots); i++ {
		if self.productSlots[i] != nil {
			self.DrawItem(t, self.productSlots[i].product.quantity, self.productSlots[i].product.item, self.productRects[i])
		}
	}

	var mousex, mousey int
	mousestate := sdl.GetMouseState(&mousex, &mousey)
	self.HandleMouse(mousex, mousey, mousestate)

	gl.PopMatrix()
}

func Draw(t int64) {
	console.culledVertices = 0
	console.vertices = 0

	gVertexBuffer.Reset()

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

	gl.Color4ub(192, 192, 192, 255)
	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.DEPTH_TEST)
	//gl.Enable(gl.FOG)
	gl.Enable(gl.LIGHTING)
	gl.Enable(gl.LIGHT0)
	gl.Enable(gl.COLOR_MATERIAL)

	if timeOfDay < 5.3 || timeOfDay > 20.7 {
		gl.Enable(gl.LIGHT1)
	} else {
		gl.Disable(gl.LIGHT1)
	}

	// CheckGLError()
	gl.LoadIdentity()

	center := ThePlayer.Position()

	// matrix := *viewport.matrix.Float32()
	matrix := ModelMatrix().Float32()
	gl.MultMatrixf(&matrix[0])
	//gl.Translatef(-float32(center[XAXIS]), -float32(center[YAXIS]), -float32(center[ZAXIS]))

	// Sun
	gl.Materialfv(gl.FRONT, gl.AMBIENT, []float32{0.1, 0.1, 0.1, 1})
	gl.Materialfv(gl.FRONT, gl.DIFFUSE, []float32{0.1, 0.1, 0.1, 1})
	gl.Materialfv(gl.FRONT, gl.SPECULAR, []float32{0.1, 0.1, 0.1, 1})
	gl.Materialfv(gl.FRONT, gl.SHININESS, []float32{0.0, 0.0, 0.0, 1})
	var daylightIntensity float32 = 0.45
	var nighttimeIntensity float32 = 0.15
	if timeOfDay < 5 || timeOfDay > 21 {
		gl.LightModelfv(gl.LIGHT_MODEL_AMBIENT, []float32{0.2, 0.2, 0.2, 1})
		daylightIntensity = 0.01
	} else if timeOfDay < 6 {
		daylightIntensity = nighttimeIntensity + daylightIntensity*(timeOfDay-5)
	} else if timeOfDay > 20 {
		daylightIntensity = nighttimeIntensity + daylightIntensity*(21-timeOfDay)
	}

	gl.LightModelfv(gl.LIGHT_MODEL_AMBIENT, []float32{daylightIntensity / 2.5, daylightIntensity / 2.5, daylightIntensity / 2.5, 1})

	gl.Lightfv(gl.LIGHT0, gl.POSITION, []float32{30 * float32(math.Sin(ThePlayer.Heading()*math.Pi/180)), 60, 30 * float32(math.Cos(ThePlayer.Heading()*math.Pi/180)), 0})
	gl.Lightfv(gl.LIGHT0, gl.AMBIENT, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})
	// gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, []float32{daylightIntensity, daylightIntensity, daylightIntensity,1})
	// gl.Lightfv(gl.LIGHT0, gl.SPECULAR, []float32{daylightIntensity, daylightIntensity, daylightIntensity,1})
	gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, []float32{daylightIntensity * 2, daylightIntensity * 2, daylightIntensity * 2, 1})
	gl.Lightfv(gl.LIGHT0, gl.SPECULAR, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})

	// Torch
	// ambient := float32(0.6)
	// specular := float32(0.6)
	// diffuse := float32(1)

	// gl.Lightfv(gl.LIGHT1, gl.POSITION, []float32{float32(ThePlayer.position[XAXIS]), float32(ThePlayer.position[YAXIS] + 1), float32(ThePlayer.position[ZAXIS]), 1})
	// gl.Lightfv(gl.LIGHT1, gl.AMBIENT, []float32{ambient, ambient, ambient, 1})
	// gl.Lightfv(gl.LIGHT1, gl.SPECULAR, []float32{specular, specular, specular, 1})
	// gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, []float32{diffuse, diffuse, diffuse, 1})
	// gl.Lightf(gl.LIGHT1, gl.CONSTANT_ATTENUATION, 1.5)
	// gl.Lightf(gl.LIGHT1, gl.LINEAR_ATTENUATION, 0.5)
	// gl.Lightf(gl.LIGHT1, gl.QUADRATIC_ATTENUATION, 0.01)
	// gl.Lightf(gl.LIGHT1, gl.SPOT_CUTOFF, 35)
	// gl.Lightf(gl.LIGHT1, gl.SPOT_EXPONENT, 2.0)
	// gl.Lightfv(gl.LIGHT1, gl.SPOT_DIRECTION, []float32{float32(math.Cos(ThePlayer.Heading() * math.Pi / 180)), float32(-0.7), -float32(math.Sin(ThePlayer.Heading() * math.Pi / 180))})

	gl.RenderMode(gl.RENDER)

	selectedBlockFace := viewport.SelectedBlockFace()
	ThePlayer.Draw(center, selectedBlockFace)
	TheWorld.Draw(center, selectedBlockFace)

	if pause.visible {
		pause.Draw(t)
	} else if inventory.visible {
		inventory.Draw(t)
	} else {
		picker.Draw(t)

	}

	if console.visible {
		console.Draw(t)
	}

	gl.Finish()
	gl.Flush()
	sdl.GL_SwapBuffers()
	// runtime.GC()
}