SimonDanisch

creation	isbits type	immutable type	mutable type	array	gpu array	(device) local memory
pass to device	yes, copy	no ptrs, copy	copy	no	by reference	no
on device	yes	may contain device ptr	no	no	no	yes

SimonDanisch

using GLVisualize, GeometryTypes, Colors
using GLAbstraction
using Reactive
window = glscreen()
timesignal = bounce(linspace(0f0,1f0,360))

description = """
Animated 2D particles in 3D space with glow.
"""

SimonDanisch

# Modular pass manager:

context = ExecutionContext()

# adds a predefined function from Sugar as a pass.
# this one takes care of e.g.:
# * turning Expr(:invoke, args...) into Expr(:call, args...)
# * removes apply_type
# * turn all functions into GlobalRef
# * etc

SimonDanisch

using Gtk, GLWindow, GLAbstraction, Reactive, GeometryTypes, Colors, GLVisualize
using GtkReactive
using Gtk.GConstants, ModernGL


mutable struct GtkContext <: GLWindow.AbstractContext
    window::Gtk.GLArea
    framebuffer::GLWindow.GLFramebuffer
end
function make_context_current(screen::Screen)

SimonDanisch

function getop(op)
    op == :inc && return +
    op == :dec && return -
    eval(Base, op)
end
function eval_instr(instr, vars)
    lhs, op, rhs = split(instr, " ")
    slhs = Symbol(lhs)
    val1 = get!(vars, slhs, 0)
    val2 = parse(Int, rhs)

SimonDanisch

using GeometryTypes, Makie

include("noise.jl") #https://gist.github.com/SimonDanisch/89779b923d77a4ecdf61246cbe24611b#file-noise4-jl

# inspired by https://github.com/rougier/alien-life

resolution = (1000, 1000)
scene = Scene(resolution = resolution)

n = 60_000

SimonDanisch

#=

# Perlin noise ported from: https://github.com/caseman/noise
# with the license:

Copyright (c) 2008 Casey Duncan

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights

SimonDanisch

function find_jl_files(dir, files = String[])
    for file in readdir(dir)
        path = joinpath(dir, file)
        if endswith(path, ".jl")
            push!(files, path)
        elseif isdir(path)
            find_jl_files(path, files)
        end
    end
    files

SimonDanisch

#https://github.com/hughsk/moire-1/b

using GeometryTypes
using MakiE, Colors

struct Ring
    movement::Float32
    radius::Float32
    speed::Float32
    spin::Vec2f0

SimonDanisch

using CLArrays

Wx = CLArray(rand(100))
y = CLArray(rand(100))
b = CLArray(rand(100))

σ(x) = 1 / (1 + exp(-x))
# this will get fused to a single kernel call:
y .= σ.(Wx .+ b)