Arif Driessen arifd

## mmtrim
#!/bin/bash

# Take an input movie file,
# blend a thumbnail to the beginning
# normalize loudness and fade in audio
# fade out at end
# encode for youtube/sharing

# Generate a test video:
# ffmpeg -f lavfi -i testsrc -f lavfi -i aevalsrc="sin(100*t*2*PI*t)" -vf "drawtext=box=1:fontsize=70:text='%{pts\:flt}':x=(w-text_w)/2:y=(h-text_h)/2" -t 10 out.avi

## mmcapture
#!/bin/bash

###############################################################################
# This script is a wrapper over ffmpeg with well-tuned defaults and filters   #
# to get the best out of your input devices                                   #
#                                                                             #
# Screen capture to file will prompt to trim, master and encode audio         #
#                                                                             #
# TODO: camera source / v4l2 sink still not implemented                       #
#                                                                             #

## place.rs
//! Place a widget anywhere in x,y pixel space

use druid::widget::prelude::*;

use druid::{Data, Point, WidgetPod};

pub struct Place<T> {
    children: Vec<ChildWidget<T>>,
}

## on_change_controller.rs
use druid::{widget::Controller, Data, Env, Event, EventCtx, Selector, UpdateCtx, Widget};

/// Bypass the `AppDelegate` entirely by appending the return from this function as a
/// `Controller` wrapping whatever you wish to perform a desired action when there is a change in the data
///
/// # Example
///
/// ```
///TextBox::new()
///    .lens(AppData::foo)

## build.sh
#!/bin/bash

#===========================================================================================#
#                               Miniquad WASM/Web Builder                                   #
#                                                                                           #
#   Put this script at the base of your cargo project and run it to quickly build and test  #
#                   your miniquad project in a WASM/Web environment.                        #
#                                                                                           #
#  It creates and pulls in all the necessary files into a directory called 'www/' leaving   #
#           the originals intact. Just delete the www folder to undo its effect.            #

## cheaper_smoothstep.glsl
// cheaper smoothstep
// https://forum.unity.com/threads/how-expensive-is-smooth-step-in-shaders-for-mobile.501809/
float cheapstep(float a, float b, float x) {
    // remap the value
    float remap = x * (1.0 / (b - a)) - (a / (b - a));
    // clamp it to 0 and 1, as smoothstep would
    return clamp(0., 1., remap);
}

## gloss.glsl
// adds a cinematic sheen by overlaying a glossy radial gradient to every pixel
float gloss(vec2 uv) {
    uv = abs(uv - 0.5);
    float length2 = dot(uv,uv);
    return exp(-length2);
}

## getPercentVisible.js
// A function to know how much of a HTML element has been scrolled onto your viewport.
// Note: This should no longer be used, prefer: IntersectionObserver.
// https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver

const clamp = (val, min, max) => Math.min(Math.max(min, val), max);
getPercentVisible(element) {
  const rect = element.getBoundingClientRect();

  // If not even partially visible, return early
  if (rect.top >= window.innerHeight || rect.bottom <= 0) return 0;

## theatre-curtain-preloader.js
// THEATRE CURTAIN PRELOADER
// by: Arif Driessen
// about: this code produces a fast loading, auto revealing theatre-curtain preloader.
// usage: put this code inside <script> tags INSIDE and at the top of <body>
function createCurtainCSS(NUMFOLDS) {
  // draw a preloading Curtain!
  const parabola = val => Math.pow(4.0 * val * (1.0 - val), 1.0);
  let curtainCSS = 'background-image: ';
  // fade to top
  curtainCSS += 'linear-gradient(180deg, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%), ';

## mathstuff.js
// Clamp val between min and max
const clamp = (val, min, max) => Math.min(Math.max(min, val), max);

// Supply a value and a range, return val normalized to 0 and 1
const normalize = (val, min, max) => (val - min) / (max - min);

// Shaping Functions ///////////////////////////////////////

// Parabola val between 0 and 1.
// Original function by Iñigo Quiles
	#!/bin/bash

	# Take an input movie file,
	# blend a thumbnail to the beginning
	# normalize loudness and fade in audio
	# fade out at end
	# encode for youtube/sharing

	# Generate a test video:
	# ffmpeg -f lavfi -i testsrc -f lavfi -i aevalsrc="sin(100t2PIt)" -vf "drawtext=box=1:fontsize=70:text='%{pts\:flt}':x=(w-text_w)/2:y=(h-text_h)/2" -t 10 out.avi
	#!/bin/bash

	###############################################################################
	# This script is a wrapper over ffmpeg with well-tuned defaults and filters #
	# to get the best out of your input devices #
	# #
	# Screen capture to file will prompt to trim, master and encode audio #
	# #
	# TODO: camera source / v4l2 sink still not implemented #
	# #
	//! Place a widget anywhere in x,y pixel space

	use druid::widget::prelude::*;

	use druid::{Data, Point, WidgetPod};

	pub struct Place<T> {
	children: Vec<ChildWidget<T>>,
	}
	use druid::{widget::Controller, Data, Env, Event, EventCtx, Selector, UpdateCtx, Widget};

	/// Bypass the `AppDelegate` entirely by appending the return from this function as a
	/// `Controller` wrapping whatever you wish to perform a desired action when there is a change in the data
	///
	/// # Example
	///
	/// ```
	///TextBox::new()
	/// .lens(AppData::foo)
	#!/bin/bash

	#===========================================================================================#
	# Miniquad WASM/Web Builder #
	# #
	# Put this script at the base of your cargo project and run it to quickly build and test #
	# your miniquad project in a WASM/Web environment. #
	# #
	# It creates and pulls in all the necessary files into a directory called 'www/' leaving #
	# the originals intact. Just delete the www folder to undo its effect. #
	// cheaper smoothstep
	// https://forum.unity.com/threads/how-expensive-is-smooth-step-in-shaders-for-mobile.501809/
	float cheapstep(float a, float b, float x) {
	// remap the value
	float remap = x * (1.0 / (b - a)) - (a / (b - a));
	// clamp it to 0 and 1, as smoothstep would
	return clamp(0., 1., remap);
	}
	// adds a cinematic sheen by overlaying a glossy radial gradient to every pixel
	float gloss(vec2 uv) {
	uv = abs(uv - 0.5);
	float length2 = dot(uv,uv);
	return exp(-length2);
	}
	// A function to know how much of a HTML element has been scrolled onto your viewport.
	// Note: This should no longer be used, prefer: IntersectionObserver.
	// https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver

	const clamp = (val, min, max) => Math.min(Math.max(min, val), max);
	getPercentVisible(element) {
	const rect = element.getBoundingClientRect();

	// If not even partially visible, return early
	if (rect.top >= window.innerHeight \|\| rect.bottom <= 0) return 0;
	// THEATRE CURTAIN PRELOADER
	// by: Arif Driessen
	// about: this code produces a fast loading, auto revealing theatre-curtain preloader.
	// usage: put this code inside <script> tags INSIDE and at the top of <body>
	function createCurtainCSS(NUMFOLDS) {
	// draw a preloading Curtain!
	const parabola = val => Math.pow(4.0 * val * (1.0 - val), 1.0);
	let curtainCSS = 'background-image: ';
	// fade to top
	curtainCSS += 'linear-gradient(180deg, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%), ';
	// Clamp val between min and max
	const clamp = (val, min, max) => Math.min(Math.max(min, val), max);

	// Supply a value and a range, return val normalized to 0 and 1
	const normalize = (val, min, max) => (val - min) / (max - min);

	// Shaping Functions ///////////////////////////////////////

	// Parabola val between 0 and 1.
	// Original function by Iñigo Quiles