behreajj

local x = Point(1, 2)

for key, value in pairs(getmetatable(x)) do
    print(key, value)
end

print(x + Point(3, 4))
print(x * 5)

behreajj

local dlg = Dialog { title = "Alt Hotkeys" }

dlg:button {
    id = "a",
    text = "&ABC",
    onclick = function()
        app.alert("A")
    end
}

behreajj

import bpy
import math
from mathutils import Vector

grease_data = bpy.data.grease_pencils.new("Stroke")
grease_layers = grease_data.layers
active_layer = grease_layers.new("Layer")
grease_frames = active_layer.frames
active_frame = grease_frames.new(
    bpy.context.scene.frame_current,

behreajj

import bpy
from mathutils import Vector


cam_data = bpy.data.cameras.new("Camera")
cam_data.type = 'ORTHO'
cam_data.ortho_scale = 4.0

cam_obj = bpy.data.objects.new(cam_data.name, cam_data)
cam_obj.location = (10.0, 10.0, 5.0)

behreajj

shader closureExample(
    normal Normal = N,

    float DiffuseRoughness = 0.01,
    color DiffuseColor = 0.0,
    
    float GlassRoughness = 0.125,
    float GlassIor = 1.45,
    float GlassReflectivity = 0.125,
    color GlassColor = 1.0,

behreajj

float zigzag(float t) {
    float a = t * 0.5;
    float b = a - floor(a);
    return 1.0 - abs(b + b - 1.0);
}

float oscillate(float t) {
    return 0.5 + 0.5 * sin(M_PI * (t - 0.5));
}

behreajj

shader modScalar(
  float A = 0.0,
  float B = 1.0,

  output float Mod = 0.0) {

    Mod = mod(A, B);
}

behreajj

shader fractScalar(
    float A = 0.0,
    
    output float Fract = 0.0,
    output int Trunc = 0.0,
    output float Floor = 1.0) {
    
    Trunc = trunc(A);
    Fract = A - Trunc;
    Floor = 1.0 - Fract;

behreajj

shader mixLab(
    color A = 0.0,
    color B = 1.0,
    float T = 0.5,
    color LB = 0.0,
    color UB = 1.0,

    output color Color = 0.5) {

    color aLinear = sRgbTolRgb(A);

behreajj

vector xyzToLab(vector xyz) {
    float vx = xyz[0] / 0.95047;
    float vy = xyz[1];
    float vz = xyz[2] / 1.08883;

    vx = select(7.787 * vx + 16.0 / 116.0, pow(vx, 1.0 / 3.0), vx > 0.008856);
    vy = select(7.787 * vy + 16.0 / 116.0, pow(vy, 1.0 / 3.0), vy > 0.008856);
    vz = select(7.787 * vz + 16.0 / 116.0, pow(vz, 1.0 / 3.0), vz > 0.008856);

    return vector(