I have tested out the angle, and and the tilt is too high.
Change the tilt to:
"text": "Tilt ",
"default": [ -0.20, 0.0 ],
"max" : [ 1.0, 1.0 ],
"min" : [-1.0,-1.0 ],
"step" : 0.01,
Also did some playing around with the curvature and the edges to have round corners, like a glass panel:
{
"name": "CRT-geom",
"author": "cgwg",
"sliders": [
{ "type": "float",
"name": "aperture_strength",
"text": "Shadow mask strength",
"default": 0.4,
"max" : 1.0,
"min" : 0.0,
"step" : 0.05,
"format": "%1.2f",
"screen": "raster" },
{ "type": "float",
"name": "curvature",
"text": "Enable curvature",
"default": 1.0,
"max" : 1.0,
"min" : 0.5,
"step" : 1.0,
"format": "%1.0f",
"screen": "raster" },
{ "type": "float",
"name": "R",
"text": "Radius of curvature",
"default": 5.0,
"max" : 5.0,
"min" : 0.5,
"step" : 0.1,
"format": "%1.1f",
"screen": "raster" },
{ "type": "float",
"name": "d",
"text": "Distance to screen",
"default": 1.0,
"max" : 2.0,
"min" : 0.1,
"step" : 0.1,
"format": "%1.1f",
"screen": "raster" },
{ "type": "vec2",
"name": "angle",
"text": "Tilt ",
"default": [ -0.20, 0.0 ],
"max" : [ 1.0, 1.0 ],
"min" : [-1.0,-1.0 ],
"step" : 0.01,
"format": "%1.2f",
"screen": "raster" },
{ "type": "float",
"name": "cornersize",
"text": "Rounded corner size",
"default": 0.10,
"max" : 0.10,
"min" : 0.00,
"step" : 0.01,
"format": "%1.2f",
"screen": "raster" },
{ "type": "float",
"name": "cornersmooth",
"text": "Border smoothness",
"default": 2000,
"max" : 2000,
"min" : 100,
"step" : 100,
"format": "%1.0f",
"screen": "raster" },
{ "type": "vec2",
"name": "overscan",
"text": "Overscan ",
"default": [ 1.0, 1.0 ],
"max" : [ 1.2, 1.2 ],
"min" : [ 0.8, 0.8 ],
"step" : 0.02,
"format": "%1.2f",
"screen": "raster" },
{ "type": "float",
"name": "CRTgamma",
"text": "Gamma of simulated CRT",
"default": 4.0,
"max" : 4.0,
"min" : 0.7,
"step" : 0.05,
"format": "%1.2f",
"screen": "raster" },
{ "type": "float",
"name": "monitorgamma",
"text": "Gamma of output display",
"default": 4.0,
"max" : 4.0,
"min" : 0.7,
"step" : 0.05,
"format": "%1.2f",
"screen": "raster" },
{ "type": "vec2",
"name": "aspect",
"text": "Aspect ratio ",
"default": [ 1.0, 0.57 ],
"max" : [ 1.0, 1.0 ],
"min" : [ 0.3, 0.3 ],
"step" : 0.01,
"format": "%1.2f",
"screen": "raster" }
],
"targets": [
],
"passes": [
{
"effect": "crt-geom/crt-geom",
"applytint": true,
"name": "CRT",
"uniforms": [
{ "uniform": "curvature", "slider": "curvature" },
{ "uniform": "R", "slider": "R" },
{ "uniform": "d", "slider": "d" },
{ "uniform": "angle", "slider": "angle" },
{ "uniform": "cornersize", "slider": "cornersize" },
{ "uniform": "cornersmooth","slider": "cornersmooth" },
{ "uniform": "overscan", "slider": "overscan" },
{ "uniform": "aspect", "slider": "aspect" },
{ "uniform": "CRTgamma", "slider": "CRTgamma" },
{ "uniform": "monitorgamma","slider": "monitorgamma" },
{ "uniform": "aperture_strength", "slider": "aperture_strength" }
],
"input": [
{ "sampler": "mpass_texture", "target": "screen" },
{ "sampler": "mask_texture", "texture": "bgfx/chains/crt-geom/aperture_1_2_bgr.png", "selection": "Shadow mask" }
],
"output": "output"
}
]
}