38 lines
870 B
Plaintext
38 lines
870 B
Plaintext
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shader_type spatial;
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render_mode blend_add,depth_draw_always, cull_disabled, diffuse_burley, specular_schlick_ggx, unshaded;
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uniform vec3 border_color: source_color = vec3(0.0);
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uniform bool show_border = false;
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varying vec2 aspect_ratio;
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void vertex() {
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aspect_ratio = CUSTOM0.rg;
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}
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void fragment() {
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ALBEDO = border_color;
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ALPHA = 0.0;
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vec2 pos = vec2(UV.x * aspect_ratio.x, UV.y * aspect_ratio.y);
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float border = 0.05;
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if( show_border ) {
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if (pos.x <= border) {
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ALPHA = mix(ALPHA, 1.0, 1.0 - pos.x / border);
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}
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if (pos.x >= aspect_ratio.x - border) {
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ALPHA = mix(ALPHA, 1.0, (pos.x - (aspect_ratio.x - border)) / border);
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}
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if (pos.y <= border) {
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ALPHA = mix(ALPHA, 1.0, 1.0 - pos.y / border);
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}
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if (pos.y >= aspect_ratio.y - border) {
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ALPHA = mix(ALPHA, 1.0, (pos.y - (aspect_ratio.y - border)) / border);
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}
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}
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}
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