Pick points within the canvas to use as feature points for some Worley Noise. If a point is closer to given feature point then it will have a height based on the distance from that feature point. I'm going with a number of quads based on resolution which I will subdivide into triangle pairs and eventually further subdivide those along the 'shoreline'... (yes, I've done this before, but I'm going somewhere with this, I promise! 8-P)
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