// Forked from "Archimedean Spiral" by Samolevsky
// https://turtletoy.net/turtle/2903b6cc46

// You can find the Turtle API reference here: https://turtletoy.net/syntax

// Set the pen opacity to 1
Canvas.setpenopacity(1);

// User-defined parameters
const numberOfLoops = 44; // min=1 max=100 step=1 Number of loops in the spiral
const incrementValue = 2.09; // min=0.1 max=10 step=0.01 Increment factor determining the spiral shape
const fineIV = 0; // min=-1 max=1 step=0.001 fine tine incrementValue

const sizeFactor = 0.4 ; // min=0.1 max=5 step=0.01 Size factor of the spiral
const xOffset = 1; // min=-50 max=50 step=1  Offset center 
const yOffset = -17; // min=-50 max=50 step=1 Offset center 

// Global code will be evaluated once.
const turtle = new Turtle();
turtle.penup();
turtle.goto(xOffset, yOffset);
turtle.pendown();

// Function to draw an Archimedean Spiral with user-defined parameters
function drawArchimedeanSpiral(loops, increment, spiralSize) {
    for (let angle = 0; angle < loops * 2 * Math.PI; angle += increment) {
        const radius = angle * spiralSize;
        const x = radius * Math.cos(angle);
        const y = radius * Math.sin(angle);
        turtle.goto(x + xOffset, y + yOffset);
        
    }
}

// Draw the Archimedean Spiral with user-defined parameters
drawArchimedeanSpiral(numberOfLoops, incrementValue+fineIV, sizeFactor);