Function captureScreenshot

script.js:287–299

()

}

function captureScreenshot () {
    let res = getResolution(config.CAPTURE_RESOLUTION);
    let target = createFBO(res.width, res.height, ext.formatRGBA.internalFormat, ext.formatRGBA.format, ext.halfFloatTexType, gl.NEAREST);
    render(target);

    let texture = framebufferToTexture(target);
    texture = normalizeTexture(texture, target.width, target.height);

    let captureCanvas = textureToCanvas(texture, target.width, target.height);
    let datauri = captureCanvas.toDataURL();
    downloadURI('fluid.png', datauri);
    URL.revokeObjectURL(datauri);
}

function framebufferToTexture (target) {
    gl.bindFramebuffer(gl.FRAMEBUFFER, target.fbo);