jcayzac

source "http://rubygems.org"

octokit

jcayzac

#include <ostream>
#include <algorithm>

void save_8bpp_image_as_PGM(
    std::ostream& out,
    const uint8_t* image_data,
    size_t width,
    size_t height,
    size_t bytes_per_row
) {

jcayzac

#ifdef GL_ES
precision mediump float;
#endif

uniform vec2 resolution;
uniform sampler2D tex0;

const vec4 luminance_vector = vec4(0.3, 0.59, 0.11, 0.0);

void main() {

jcayzac

precision mediump float;

uniform vec2 resolution;
uniform sampler2D tex0;

const vec2 n = vec2(1.0/1024.0, 1.0/512.0);
const vec4 luminance_vector = vec4(0.3, 0.59, 0.11, 0.0);

void main(void) {
	vec2 uv = vec2(1.0) - (gl_FragCoord.xy / resolution.xy);

jcayzac

Afternoon break
Beer
Dinner
Lunch
PicNic
Tea

Esthe
Gym
Hammam

jcayzac

#!/usr/bin/env python
# -*- coding: UTF-8 -*-
"""RAM disk creation (MacOS X only for now).

Usage:

with ramdisk(10240000, 'テスト1番') as x:
	print "Mountpoint is: %s" % x.path
	# use it
	print 'Closing...'

jcayzac

(function() {
	if (window.crotte_is_loaded) {
		return;
	}
	window.crotte_is_loaded=true

	var crotte_load_script = function(cnd, src, cb) {
		if (cnd) {
			var s = document.createElement('script');
			s.type = 'text/javascript';

jcayzac

var store = function(k,v) {
	try {
		localStorage[k] = v;
	}
	catch(e) { }
};

jcayzac

/// @brief The usual PI/180 constant
static const double DEG_TO_RAD = 0.017453292519943295769236907684886;
/// @brief Earth's quatratic mean radius for WGS-84
static const double EARTH_RADIUS_IN_METERS = 6372797.560856;

/** @brief Computes the arc, in radian, between two WGS-84 positions.
  *
  * The result is equal to <code>Distance(from,to)/EARTH_RADIUS_IN_METERS</code>
  *    <code>= 2*asin(sqrt(h(d/EARTH_RADIUS_IN_METERS )))</code>
  *

jcayzac

// V=(sphere.center - cone.apex_location)
// dotProduct_V_V = dotProduct(V, V)
// a = dotProduct(V, cone.direction_normal)
int cbloom_test(float dotProduct_V_V, float a, float sphere_radius, float cone_sin, float cone_cos) {
    const float x(cone_cos*sqrt(dotProduct_V_V - a*a) - a*cone_sin);
    return (fabsf(x)>=sphere_radius)?(x<0):-1;
}

int jcayzac_test(float dotProduct_V_V, float a, float sphere_radius, float cone_sin, float cone_cos) {
    const float p(a*cone_sin);