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28 lines
675 B
Plaintext
28 lines
675 B
Plaintext
shader_type canvas_item;
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render_mode unshaded;
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uniform bool red = true;
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uniform bool blue = true;
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uniform bool green = true;
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uniform bool alpha = false;
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uniform sampler2D selection : filter_nearest;
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void fragment() {
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// Get color from the sprite texture at the current pixel we are rendering
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vec4 original_color = texture(TEXTURE, UV);
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vec4 selection_color = texture(selection, UV);
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vec4 col = original_color;
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if (red)
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col.r = 1.0 - col.r;
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if (green)
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col.g = 1.0 - col.g;
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if (blue)
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col.b = 1.0 - col.b;
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if (alpha)
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col.a = 1.0 - col.a;
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vec4 output = mix(original_color.rgba, col, selection_color.a);
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COLOR = output;
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}
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