Stefan Balev sbalev

## squares.pde
final int SIZE = 120;

float angle = 0;
float maxAngle = 0.2;
float dAngle = 0.001;

void setup() {
  size(600, 600);
  rectMode(CENTER);
  stroke(0);

## int_trigo.md

      
        
          
            
              
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                sbalev
                / int_trigo.md
            
            
              Last active
              April 11, 2018 12:51
            
              
                Introducing integer trigonometric functions
              
          
        
      
        
  
      
    Integer trigonometry

Suppose we want to implement a robot moving on integer grid. Usually my code looks like this:
class Robot {
  int x, y;
  int heading; // 0 = East, 1 = North, 2 = West, 3 = South

  void turnLeft() {
	final int SIZE = 120;

	float angle = 0;
	float maxAngle = 0.2;
	float dAngle = 0.001;

	void setup() {
	size(600, 600);
	rectMode(CENTER);
	stroke(0);