34 lines
794 B
Text
34 lines
794 B
Text
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shader_type canvas_item;
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render_mode blend_mix,unshaded;
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uniform vec4 effect_color : hint_color = vec4(1.0, 1.0, 1.0, 1.0);
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uniform float effect_width : hint_range(0, 0.5) = 0.1;
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uniform float effect_offset : hint_range(0, 0.5) = 0;
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void fragment() {
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vec2 uv = UV;
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// Apply offset
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if (uv.x < 0.5) {
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uv.x -= effect_offset;
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} else {
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uv.x += effect_offset;
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}
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if (uv.y < 0.5) {
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uv.y -= effect_offset;
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} else {
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uv.y += effect_offset;
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}
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uv = clamp(uv, 0, 1);
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COLOR = effect_color;
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if (uv.x < effect_width) {
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COLOR.a *= uv.x / effect_width;
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} else if (uv.x > 1.0-effect_width) {
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COLOR.a *= ((1.0 - uv.x) / effect_width);
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}
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if (uv.y < effect_width) {
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COLOR.a *= uv.y / effect_width;
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} else if (uv.y > 1.0-effect_width) {
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COLOR.a *= ((1.0 - uv.y) / effect_width);
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}
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}
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