func (v *Vbo) Disable() { UnbindBoth() if v.speci { gl.DisableClientState(gl.INDEX_ARRAY) } if v.specn { gl.DisableClientState(gl.NORMAL_ARRAY) } if v.spect { gl.DisableClientState(gl.TEXTURE_COORD_ARRAY) } if v.specp { gl.DisableClientState(gl.VERTEX_ARRAY) } v.enabled = false }
func testPlot(dimension, order int) { var ( iterations float64 = 0 start_t = time.Now() split time.Time = start_t total time.Duration fps float64 = 1.0 new_attractor, redraw bool = true, true npoints int = 1e5 coeffs []float64 //offsets, offset_coeffs []float64 start Matrix = MakeMatrix(1, int(math.Max(3, float64(dimension)))) points, points2/*, points3*/ Matrix //attractor = gl.GenLists(1); ) //offsets = make([]float64, ncoeffs(order)) //offset_coeffs = make([]float64, ncoeffs(order)) //coeffs = make([]float64, dimension + nCoeffs(order, dimension) * dimension) //for i := range offsets { offsets[i] += rand.Float64() } for handleEvents(&new_attractor, &redraw, &npoints) { xoff += xvel / fps yoff += yvel / fps zoff += zvel / fps xrot += xrotvel / fps yrot += yrotvel / fps zrot += zrotvel / fps scale += svel / fps if new_attractor { coeffs, start = find_map_with_L(dimension, order, 0.1, 0.4) redraw = true new_attractor = false } if redraw { points = MakePointMatrix(makeMapFn(dimension, order, coeffs), start, 500, npoints) points2 = MakeMatrix(npoints, points.Height()) //points3 = MakeMatrix(npoints, points.Height()) redraw = false fmt.Println("Redraw", npoints, "points") } //points2 = points //RotationXW(xwrot).Apply(points, points2) //RotationYW(xwrot + 0.25).Apply(points2, points3) //RotationZW(xwrot + 0.50).Apply(points3, points2) if dimension == 4 { RotationZW(xwrot).Apply(points, points2) xwrot += 0.05 ApplyW(points2, points2) } else { points2 = points } gl.Enable(gl.BLEND) gl.Enable(gl.POINT_SMOOTH) gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA) gl.PointSize(1.0) gl.LoadIdentity() gl.Rotated(xrot, 1, 0, 0) gl.Rotated(yrot, 0, 1, 0) gl.Rotated(zrot, 0, 0, 1) gl.Scaled(scale, scale, scale) gl.Translated(xoff, yoff, zoff) gl.Color4d(1, 1, 1, 0.25) gl.EnableClientState(gl.VERTEX_ARRAY) if dimension > 3 { gl.VertexPointer(3, (dimension-3)*32, points2.FlatCols()) } else { gl.VertexPointer(3, 0, points2.FlatCols()) } gl.DrawArrays(gl.POINTS, 0, points2.Width()) gl.DisableClientState(gl.VERTEX_ARRAY) sdl.GL_SwapBuffers() gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT) iterations++ if time.Since(split).Seconds() > 1.0 { total = time.Since(start_t) fps = iterations / total.Seconds() fmt.Println(iterations, "iterations in", total.Seconds(), "gives", fps, "fps") split = time.Now() } } }