roxlu

void Tubes::computeEdgeCoordinateSystems() {
	Vec3 dir;
	float inv = 0.0f;
	vector<Edge*>::iterator it = graph.edges.begin();
	while(it != graph.edges.end()) {
		Edge* e = (*it);
		dir = graph.getEdgeDirection(e).normalize();
		e->z_axis = dir;
		if(fabsf(dir.x) > fabsf(dir.y)) {
			inv = 1.0f / sqrtf(dir.x*dir.x + dir.z*dir.z);

roxlu

// Generate spiral
	int prev_vertex = gr.addVertex(Vec3(0,0,0));
	int prev_node = gr.addNode(new Node(prev_vertex));
	int num_edges = 30;
	float angle = 0;
	float radius = 2.0f;
	float y = 0;
	for(int i = 0; i < num_edges; ++i) {
		angle += ((float)TWO_PI/(num_edges*0.25));
		float x = cos(angle) * radius;

roxlu

// source: http://stackoverflow.com/questions/10105229/c-c-puzzle-to-print-values-from-1-15-15-1-with-a-single-for-loop
for (int i = 1; i < 31; i++) {
    int number = (1-i/16) * i + (i/16) * (31 - i);
    printf("%d ", number);
}

roxlu

ffmpeg -i 07.05.09_%04d.png -r 60 -s 640x480 -vcodec libx264 -vpre hq -b 2000k movie3.mov

roxlu

#ifndef SOLVERH
#define SOLVERH
#define IX(i,j) ((i)+(N+2)*(j))
#define SWAP(x0,x) {float * tmp=x0;x0=x;x=tmp;}
#define FOR_EACH_CELL for ( i=1 ; i<=N ; i++ ) { for ( j=1 ; j<=N ; j++ ) {
#define END_FOR }}

static void add_source ( int N, float * x, float * s, float dt )
{
	int i, size=(N+2)*(N+2);

roxlu

#include "testApp.h"

testApp::testApp()  {
}

void testApp::setup(){
	ofBackground(22,33,44);
	ofSetFrameRate(60);
	
	grad_w = 50;

roxlu

#include "testApp.h"

// generate random data for "u"
void testApp::setup(){
	ofBackground(22,33,44);
	float dt = 0.1;
	for(int i = 0; i < N; ++i) {
		u[i] = ofNoise(dt*i);
	}
}

roxlu

#include "testApp.h"

void testApp::setup(){
	ofSetFrameRate(60);
	ofBackground(22,33,44);
	
	gif.setup(ofGetWidth(), ofGetHeight());
	record = false;
	
	// setup some initial data.

roxlu

#include "testApp.h"

//--------------------------------------------------------------
void testApp::setup(){
	ofEnableNormalizedTexCoords();
	ofDisableArbTex();
	ofSetFrameRate(60);
	ofBackground(22,33,44);

	// Shader + VAO/VBO

roxlu

#include "testApp.h"

//--------------------------------------------------------------
void testApp::setup(){
	ofSetFrameRate(60);
	ofBackground(22,33,44);


	// create shader program
	shader.setupShaderFromSource(GL_VERTEX_SHADER, VS);