Carandiru0

/* Copyright (C) 2022 Jason Tully - All Rights Reserved
 * You may use, distribute and modify this code under the
 * terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License
 * 
 *
This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/
or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
 */

Carandiru0

// http://bit.ly/supersinfulsilicon

// hilbert CA by Jason Tully is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
// Based on a work at https://www.shadertoy.com/view/ssVXWd
// Permissions beyond the scope of this license may be available at http://bit.ly/supersinfulsilicon

// http://bit.ly/supersinfulsilicon

// hilbert CA by Jason Tully is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
// Based on a work at https://www.shadertoy.com/view/ssVXWd

Carandiru0

// optimized bellcurve function
// https://www.desmos.com/calculator/xxwdiqa4sk
  
STATIC_INLINE_PURE float const __vectorcall bellcurve(float x) // 0..1 input to 0..1 output
{
	// mu is 0.0 (centered) sigma is 0.5
	constexpr float const c(XM_PI / -1.25331414f);  // optimized magic value - bellcurve perfect match (to six digits of precision)
							// removes sqrt
							// https://www.desmos.com/calculator/xxwdiqa4sk
							

Carandiru0

// - supersinfulsilicon - Jason Tully

// New Filled Rect w/ Orientation Algorithm
// -prototyping working version-

// http://bit.ly/supersinfulsilicon

// shader is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
// Based on a work at https://www.shadertoy.com/view/wdSczm
// Permissions beyond the scope of this license may be available at http://bit.ly/supersinfulsilicon