Sine Wave

By Aditya Aravind
from math import sin

screen = rectangle(w=300, h=300, fill="black")

def drawSine(x,y, color, width=100, cycles=2):
    global screen
    buffer = []
    step = (3.14 * cycles ) / width
    height = width / (2 * cycles)

    for i in range(width):
        p = point(x+ i,y + height * sin(i * step))
        buffer.append(p)
    screen += polyline(buffer, stroke=color , stroke_width=2)


screen += line(-150, 0, 150, 0, stroke="green")
drawSine(-150,0, 'red', 300, 3)


show(screen)