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Many are complaining about examples having to be run inside the $GOPATH directory. We could simply resolve them relative to the system's $GOPATH environment variable and it would solve a lot of these complaints.

We should use gfx.NewMesh, gfx.NewTexture, etc instead of allocating them ourselves. This is the best practice.

Is there any tutorial for this 3D engine available in order to become better familiar with all its capabilities?

Regards

When build this example, a build error raised: ".\azul3d_mandel.go:72: undefined: Mandelbrot".

• Run azul3d_info
• Notice that a window appears and does not close once info has been logged.
• Window should not appear, should close as soon as info is logged.

We declare shaders in the examples as []byte in the Go source code -- which is semi confusing for people reading over it (mixing between Go->GLSL->Go etc). We should instead declare these in seperate .vert and .frag files in the example's directory (and comment them well).

See azul3d-legacy/gfx-gl2#1

I'm just playing with things, and I thought I'd start off by building the examples on go1.5 (and subsequently I tried 1.4.2, too).

I can't get the examples to work at all though. I'm on Ubuntu 14.04, but I've also tried building with 15.04 with the same result.

$ go install -v azul3d.org/examples.v1/...
$ azul3d_triangle 
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  155 (GLX)
  Minor opcode of failed request:  16 (X_GLXVendorPrivate)
  Value in failed request:  0x340000a
  Serial number of failed request:  189
  Current serial number in output stream:  190

$ glxinfo
name of display: :0
display: :0  screen: 0
direct rendering: No (If you want to find out why, try setting LIBGL_DEBUG=verbose)
server glx vendor string: NVIDIA Corporation
server glx version string: 1.4
client glx vendor string: NVIDIA Corporation
client glx version string: 1.4
GLX version: 1.4
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GTX 560 Ti/PCIe/SSE2
OpenGL version string: 2.1.2 NVIDIA 331.113
OpenGL shading language version string: 1.20 NVIDIA via Cg compiler

I've succeeded at getting github.com/go-gl/examples/glfw31-gl21-cube to run, but it runs extremely slowly (takes several seconds to start, then achieves a few FPS) and causes the window manager to freeze for seconds at a time. github.com/go-gl/examples/glfw31-gl41core-cube gives (which I don't understand because I believe my GPU supports 4.1):

$ glfw31-gl41core-cube 
panic: VersionUnavailable: GLX: Failed to create context: BadAlloc (insufficient resources for operation)

goroutine 1 [running, locked to thread]:
main.main()
    /home/pwaller/.local/src/github.com/go-gl/examples/glfw31-gl41core-cube/cube.go:45 +0x297

goroutine 17 [syscall, locked to thread]:
runtime.goexit()
    /usr/local/go/src/runtime/asm_amd64.s:2232 +0x1

Run the example, move the mouse or hold down a key, notice the frame rate become jittery/slow.

It might just be my fault since I am new to GO but when I clone the mandelbrot example and go run azul3d_mandel.go it crashes with ./azul3d_mandel.go:72: undefined: Mandelbrot