jaycody

// Determine THETA between 2 points with arcTangent atan2() function

int x, y;

void setup() {
  size(500, 500);
  x = width/2;
  y = height/2;
  textSize(20);
  textAlign(CENTER, CENTER);

jaycody

# Opens interactive shell upon execution.

import code;code.interact(local=locals())

jaycody

'''
____________COMMAND LINE PROMPT______________________
\d: Date
\h: Host  computers name (eg NewTron.local)
\n: Newline
\t: Time
\u: Username
\W: Current working directory
\w: Full path to current directory
'''

jaycody

String timestamp;

void setup() {
  timestamp = year() + nf(month(),2) + nf(day(),2) + "-"  + nf(hour(),2) + nf(minute(),2) + nf(second(),2);
  println(timestamp);
  exit();
}

jaycody

txtblk='\e[0;30m' # Black - Regular
txtred='\e[0;31m' # Red
txtgrn='\e[0;32m' # Green
txtylw='\e[0;33m' # Yellow
txtblu='\e[0;34m' # Blue
txtpur='\e[0;35m' # Purple
txtcyn='\e[0;36m' # Cyan
txtwht='\e[0;37m' # White
 

jaycody

// KeyPress SpaceBar Toggle Switch

void keyPressed() {
	if (key == ' '){
		showVectors = !showVectors;
	}
}

jaycody

//////////////////////////////////////////////////////
// Create a Perlin Noise Field
	void initPerlinField() {
	// Reseed Noise
		noiseSeed((int)random(10000));

//TODO:  make the x,y noise offset a PVector
		float xOffSetNoise = 0;	
	// Iterate through the 2D array of PVectors
		for (int i = 0; i < flowFieldCols; ++i) {

jaycody

// Calc length of vector and scale it

float lenOfSpecificVector = specificVector.mag()*scayl;

jaycody

// Convert Polar to Cartesian
// according to SOHCAHTOA, cos(theta)=1 and sin(theta) = 0 when theta = 0 (aka (1,0))

vector = new PVector(cos(theta), sin(theta));

	

jaycody

// Incrementing Noise to THETA

for (int i = 0; i < flowFieldCols; ++i) {
	float yOffSetNoise = 0;
	for (int j = 0; j < flowFieldRows; ++j) {
		float theta = map(noise(xOffSetNoise, yOffSetNoise), 0 ,1 ,0 ,TWO_PI);
				
		// Convert from Polar to Cartesian
		// according to SOHCAHTOA, cos(theta)=1 and sin(theta) = 0 when theta = 0 (aka (1,0))
		vectorField[i][j] = new PVector(cos(theta), sin(theta));