chunkyguy’s gists

chunkyguy / gist:5088754

Created March 5, 2013 08:13

	/*
	[email protected]

	Tool to test collision detection using Grapher.app
	Create formatted data.

	Input: cd.in
	0.000000 320.000000 194.204971 -60.418026 244.204971 -10.418026
	0.000000 320.000000 194.249619 -60.418026 244.249619 -10.418026
	0.000000 320.000000 194.294266 -60.418026 244.294266 -10.418026

chunkyguy / gist:5082285

Created March 4, 2013 13:37

Line segment intersection test

	// Test for two line segments intersection
	// [email protected]

	// Inspired from:
	// theory: http://www.bryceboe.com/2006/10/23/line-segment-intersection-algorithm/
	// source: http://www.bryceboe.com/wordpress/wp-content/uploads/2006/10/intersect.py

	#include <iostream>

	template<typename T>

chunkyguy / lpf.cpp

Created November 6, 2012 00:07

largest prime factor - unoptimized

	#include <iostream>
	#include <cmath>
	#include <cstring>

	bool debug;

	bool isFactor(long double n, long double f){
	long double i = 1.0;
	long double m = f * i;
	while(m <= n){

chunkyguy / Exception.cpp

Created October 13, 2012 08:16

Exception Handling C vs C++

	/*
	What: Exception using throw and jmp/longjmp
	Author: Sid
	Note: Test run with 3 cases
	1: x(10), y(2) : Returns 2
	2: x(10), y(0) : Catch exception DIVIDE_EXCP, prints error and quit
	3: x(10), y(-2) : Catch exception NEG_EXCP, does nothing
	*/

	#include <iostream>

chunkyguy / SJViewController.m

Created September 15, 2012 05:41

This code is leaking !!

	//
	// SJViewController.m
	// TestSkybox
	//
	// Created by Sidharth Juyal on 22/06/12.
	// Copyright (c) 2012 whackylabs. All rights reserved.
	//

	#import "SJViewController.h"

chunkyguy / obfuscated.c

Created August 23, 2012 03:44

height of stupidity

	/*
	This piece of shit that I wrote does one simple task: linearly interpolate between 0.0 and 1.0 for the value 'res'.
	This is a sample run:
	$ ./mix 1
	0: 0.500000
	$ ./mix 2
	0: 0.333333
	1: 0.666667
	$ ./mix 3
	0: 0.250000

chunkyguy / Electricity.cpp

Created August 22, 2012 12:13

How to generate electricity

	/*
	Electricity:
	resolution_ = 0; means straight line
	pointA_, pointB_; are vec4s
	*/

	void ElectricCurrent::createVertexData(){
	int tfloats = (2+resolution_) * 4; //num_points * num_floats_per_point
	GLfloat data[tfloats];
	int atIndx = 0;

chunkyguy / sfml_2.cpp

Created August 21, 2012 14:26

SFML 2.0 boilerplate

	int main (int argc, const char * argv[]){

	// Create the main window
	sf::RenderWindow window(sf::VideoMode(800, 600), "SFML window");

	// Load a sprite to display
	sf::Texture texture;
	if (!texture.loadFromFile(resourcePath() + "cute_image.jpg"))
	return EXIT_FAILURE;
	sf::Sprite sprite(texture);

chunkyguy / iOS_OpenGL_template.c

Created August 16, 2012 20:37

Apple OpenGL template for iOS uses two sets of enums

	/*
	At create setup stage
	*/
	glEnableVertexAttribArray(GLKVertexAttribPosition);
	glVertexAttribPointer(GLKVertexAttribPosition, 3, GL_FLOAT, GL_FALSE, 24, BUFFER_OFFSET(0));
	glEnableVertexAttribArray(GLKVertexAttribNormal);
	glVertexAttribPointer(GLKVertexAttribNormal, 3, GL_FLOAT, GL_FALSE, 24, BUFFER_OFFSET(12));

	/*
	At binding stage

chunkyguy / gist:3241901

Created August 2, 2012 23:26

	if(troop_position == 4){
	for(int possible_position = 0; possible_position < 9; possible_position++){
	if(_slots[possible_position] == -1){
	availPos[troop_number][available_position[troop_number]++] = possible_position;
	}
	}
	}else{
	for(int possible_position = 0; possible_position < 3; possible_position++){
	if(_slots[_nextPossiblePositions[troop_position][possible_position]] == -1){
	availPos[troop_number][available_position[troop_number]++] = _nextPossiblePositions[troop_position][possible_position];

Sidharth Juyal chunkyguy