26 lines
541 B
Text
26 lines
541 B
Text
shader_type canvas_item;
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uniform float percentage:hint_range(0.0,1,.01);
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uniform float masked_alpha:hint_range(0,1,.01)=1;
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uniform float unmasked_alpha:hint_range(0,1,.01);
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uniform bool horizontal=false;
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uniform bool invert=true;
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void fragment() {
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vec4 main_tex=texture(TEXTURE,UV);
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COLOR.a=main_tex.a;
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float uvPOS=UV.y;
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float step_value=unmasked_alpha+step(uvPOS,percentage);
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if(horizontal){ uvPOS=UV.x; }
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if(invert){
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step_value=unmasked_alpha+1.0-step(uvPOS,percentage);
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}
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COLOR.a=(main_tex.a)*step_value*masked_alpha;
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} |