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https://github.com/Rundll86/Dog-Lynx-And-HCN.git
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18 lines
864 B
Plaintext
18 lines
864 B
Plaintext
shader_type canvas_item;
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uniform float width:hint_range(0.0,30.0);
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uniform vec4 outline_color:source_color;
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void fragment(){
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float size = width * 1.0 / float(textureSize(TEXTURE,0).x);
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vec4 sprite_color = texture(TEXTURE,UV);
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float alpha = -8.0 * sprite_color.a;
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alpha += texture(TEXTURE,UV + vec2(0.0,-size)).a;
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alpha += texture(TEXTURE,UV + vec2(size,-size)).a;
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alpha += texture(TEXTURE,UV + vec2(size,0)).a;
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alpha += texture(TEXTURE,UV + vec2(size,size)).a;
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alpha += texture(TEXTURE,UV + vec2(0.0,size)).a;
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alpha += texture(TEXTURE,UV + vec2(-size,size)).a;
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alpha += texture(TEXTURE,UV + vec2(-size,0.0)).a;
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alpha += texture(TEXTURE,UV + vec2(-size,-size)).a;
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vec4 final_color = mix(sprite_color,outline_color,clamp(alpha,0.0,1.0));
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COLOR = vec4(final_color.rgb,clamp(abs(alpha) + sprite_color.a,0.0,1.0));
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} |