GPU = require("gpu.js@2.15.2")
viewof krender = {
const krender = new GPU.GPU()
.createKernel(function(v) {
this.color(this.thread.x / 500, this.thread.y / 500, v);
})
.setOutput([500, 500])
.setGraphical(true);
return Object.assign(krender.canvas, { value: krender });
}
value = Math.sin(now / 500) ** 2
{
// these two operations must be done in sequence, otherwise…
krender(value);
return krender.getPixels();
}
// …this returns a black vector (all zeros)
krender.getPixels()
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