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31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
#pragma aego abi 1
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#pragma domain sprite
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#include "engine/sprite.glsl"
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#pragma material
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uniform sampler2D Noise; // @texture @doc("Linear data texture sampled in local sprite UV, independent of the atlas.")
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uniform float Threshold; // @instance @default(0) @range(0, 1)
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uniform vec2 NoiseScale; // @default(4, 4)
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uniform float EdgeWidth; // @default(0.05) @range(0, 0.25)
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uniform vec4 EdgeColor; // @color @default(1, 0.4, 0, 1)
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uniform float Opacity; // @instance @default(1) @range(0, 1)
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#pragma end
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void fragment() {
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vec4 color = aego_sample();
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if (Threshold <= 0.0) {
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aego_out = color * clamp(Opacity, 0.0, 1.0);
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return;
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}
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if (Threshold >= 1.0) {
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aego_out = vec4(0.0);
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return;
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}
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float noiseValue = texture(Noise, fract(aego_local * NoiseScale)).r;
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float visible = step(Threshold, noiseValue);
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float edge = 0.0;
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if (EdgeWidth > 0.0) {
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edge = 1.0 - smoothstep(0.0, EdgeWidth, max(noiseValue - Threshold, 0.0));
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}
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color.rgb = mix(color.rgb, EdgeColor.rgb * color.a, edge * clamp(EdgeColor.a, 0.0, 1.0));
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aego_out = color * visible * clamp(Opacity, 0.0, 1.0);
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}
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