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19 lines
463 B
Text
19 lines
463 B
Text
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shader_type canvas_item;
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render_mode unshaded;
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#include "res://src/Shaders/FindPaletteColorIndex.gdshaderinc"
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uniform sampler2D rgb_texture : filter_nearest;
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uniform sampler2D palette_texture : filter_nearest;
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void fragment() {
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vec4 color = texture(rgb_texture, UV);
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if (color.a <= 0.01) {
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COLOR.r = 0.0;
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}
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else {
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int color_index = find_index(color, textureSize(palette_texture, 0).x, palette_texture);
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COLOR.r = float(color_index + 1) / 255.0;
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}
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}
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