Dylan Sarrazyn
35 lines
1.5 KiB
Plaintext
35 lines
1.5 KiB
Plaintext
shader_type canvas_item;
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uniform bool rainbow = false; //Activate the rainbow or select you color
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uniform vec4 line_color : source_color = vec4(1.0, 1.0, 1.0, 1.0);//color line
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uniform float line_scale : hint_range(0, 20) = 1.2; // thickness of the line
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uniform float frequency : hint_range(0.0, 2.0) = 0.5; // frequency of the rainbow
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uniform float light_offset : hint_range(0.00001, 1.0) = 0.5; // this offsets all color channels;
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uniform float alpha : hint_range(0.0, 1.0) = 1.0;
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void fragment() {
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vec2 size = TEXTURE_PIXEL_SIZE * line_scale;
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float outline = texture(TEXTURE, UV + vec2(-size.x, 0)).a;
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outline += texture(TEXTURE, UV + vec2(0, size.y)).a;
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outline += texture(TEXTURE, UV + vec2(size.x, 0)).a;
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outline += texture(TEXTURE, UV + vec2(0, -size.y)).a;
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outline += texture(TEXTURE, UV + vec2(-size.x, size.y)).a;
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outline += texture(TEXTURE, UV + vec2(size.x, size.y)).a;
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outline += texture(TEXTURE, UV + vec2(-size.x, -size.y)).a;
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outline += texture(TEXTURE, UV + vec2(size.x, -size.y)).a;
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outline = min(outline, 1.0);
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vec4 animated_line_color = vec4(light_offset + sin(2.0*3.14*frequency*TIME),
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light_offset + sin(2.0*3.14*frequency*TIME + radians(120.0)),
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light_offset + sin(2.0*3.14*frequency*TIME + radians(240.0)),
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alpha);
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vec4 color = texture(TEXTURE, UV);
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if (rainbow == true){//if rainbow is activated
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COLOR = mix(color, animated_line_color, outline - color.a);
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}
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if (rainbow == false){//if rainbow not is activated and you pick a color
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COLOR = mix(color, line_color , outline - color.a);
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}
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} |