forked from mia/Aegisub
15 lines
624 B
Lua
15 lines
624 B
Lua
function render_frame(f, t)
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local surf = f.create_cairo_surface()
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--raster.gaussian_blur(surf, t)--1+(1-math.cos(t*10))*2)
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--raster.invert(surf)
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--raster.separable_filter(surf, {-1, 3, -1}, 1)
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--raster.directional_blur(surf, t, t/10)
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--raster.radial_blur(surf, 200, 200, t/60)
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raster.pixel_value_map(surf, "G rand 0.1 * + =G G 1 - 1 G ifgtz =G")
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raster.pixel_coord_map(surf, "X .5 rand - + =X Y .5 rand - + =Y")
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f.overlay_cairo_surface(surf, 0, 0)
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--surf = cairo.image_surface_create(200, 200, "rgb24")
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--raster.pixel_value_map(surf, "rand =t0 t0 =R t0 =G t0 =B")
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--f.overlay_cairo_surface(surf, 20, 20)
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end
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