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https://github.com/Orama-Interactive/Pixelorama.git
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3fb2877b73
When using the Bucket tool to fill with pattern in "Similar colors" and "Whole selection" modes, the pattern was not being repeated.
37 lines
1.2 KiB
Text
37 lines
1.2 KiB
Text
shader_type canvas_item;
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render_mode unshaded;
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uniform vec2 size;
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uniform vec4 old_color;
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uniform vec4 new_color;
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uniform float similarity_percent : hint_range(0.0, 100.0);
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// Must be the same size as image
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// Selected pixels are 1,1,1,1 and unselected 0,0,0,0
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uniform sampler2D selection;
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uniform bool has_pattern;
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uniform sampler2D pattern: repeat_enable;
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uniform vec2 pattern_size;
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uniform vec2 pattern_uv_offset;
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void fragment() { // applies on each pixel separately
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vec4 original_color = texture(TEXTURE, UV); // The drawing we have to use on
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vec4 selection_color = texture(selection, UV); // use its alpha to get portion we can ignore
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vec4 col = original_color; // Innocent till proven guilty
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float max_diff = distance(original_color, old_color); // How much this pixel matches our description
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float similarity = abs(2.0 - ((similarity_percent/100.0) * 2.0));
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if (max_diff <= similarity) // We found our match and pixel is proven guilty (small is precise)
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if (has_pattern)
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col = textureLod(pattern, UV * (size / pattern_size) + pattern_uv_offset, 0.0);
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else
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col = new_color;
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// Mix selects original color if there is selection or col if there is none
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COLOR = mix(original_color, col, selection_color.a);
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}
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