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NoiseWave

yoff = 0.0                # 2nd dimension of perlin noise


def setup():
    size(640, 360)


def draw():
    global yoff
    background(51)
    fill(255)
    # We are going to draw a polygon out of the wave points
    beginShape()
    
    xoff = 0             # Option #1: 2D Noise
    # float xoff = yoff # Option #2: 1D Noise

    # Iterate over horizontal pixels
    for x in range(0, width, 10):
        # Calculate a y value according to noise, map to
        y = map(noise(xoff, yoff), 0, 1, 200, 300)  # Option #1: 2D Noise
        # y = map(noise(xoff), 0, 1, 200, 300)       # Option #2: 1D Noise

        # Set the vertex
        vertex(x, y)
        # Increment x dimension for noise
        xoff += 0.05

    # increment y dimension for noise
    yoff += 0.01
    vertex(width, height)
    endShape()